Device for fixing chord to female head when welding truss

Abstract

The device for fixing chord and female head during welding truss, female head is located at the end of chord, including base, the base is equipped with positioning shaft for positioning chord side, first positioning mechanism for positioning other side of chord, second positioning mechanism for positioning female head, first pressing mechanism for pressing top of chord.

Description

Technical Field

[0001] This utility model relates to the field of truss welding equipment technology, and in particular to a device for fixing the chord and the female end when welding trusses. Background Technology

[0002] Trusses, as a key load-bearing structure in bridge construction, have significant advantages such as high modularity, strong load-bearing capacity, and good site adaptability. This makes them widely used in installation work for transportation infrastructure and municipal engineering projects.

[0003] In truss manufacturing, the female end of the chord is a core load-bearing node, and its welding quality directly affects the safety performance of the overall structure. This requires that the fixing device of the female end of the chord be very strong during welding so as not to affect the welding quality. However, the existing fixing devices do not meet this requirement. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the existing technology and provide a device for fixing the female end of the chord when welding trusses.

[0005] The technical solution adopted by the utility model is a device for fixing the chord and the female head when welding the truss. The female head is located at the end of the chord and includes a base. The base is provided with a positioning shaft for positioning the side of the chord, a first positioning mechanism for positioning the other side of the chord, a second positioning mechanism for positioning the female head, and a first pressing mechanism for pressing the top of the chord.

[0006] The first positioning mechanism of the utility model includes a first positioning block, a first slider fixedly connected to the lower part of the first positioning block, a first slide rail fixedly connected to the side of the base, the first slider slidingly connected along the first slide rail, and a first cylinder for driving the first slider to slide. The first cylinder drives the first slider to move the first positioning block closer to or away from the side of the chord.

[0007] The second positioning mechanism of the utility model includes a support plate for supporting the vulva, a second slider fixedly connected to the lower part of the support plate, a second slide rail fixedly connected to the upper part of the base, the second slider slidingly connected along the second slide rail, a second cylinder for driving the second slider to slide, and a second positioning block for positioning the end of the vulva fixedly connected to the upper part of the support plate. The second cylinder drives the second slider to move the support plate and the second positioning block closer to or away from the end of the vulva.

[0008] The utility model provides a third positioning mechanism at one end of the support plate for positioning the side of the vulva. The third positioning mechanism includes a third positioning block connected to the support plate. The third positioning block is threadedly connected to a positioning post. Twisting the positioning post moves it closer to or away from the side of the vulva.

[0009] The utility model provides a second pressing mechanism above the support plate for pressing the top of the vaginal head. The second pressing mechanism includes a mounting base fixedly connected to the support plate. A pressing member and an operating member are rotatably connected above the mounting base. The pressing member and the operating member are arranged crosswise. A connecting member is rotatably connected between the middle of the pressing member and the middle of the operating member. A wrench is provided at the end of the operating member. A pressing part that presses the top of the vaginal head vertically is connected to the end of the pressing member.

[0010] The first clamping mechanism of the utility model includes a mounting column connected to the base. A crossbar is fixedly connected to the upper end of the mounting column. A mounting component with internal threads is fixedly connected to one end of the crossbar. A threaded column with external threads is connected inside the mounting component. An abutment is connected below the threaded column. A handle is connected above the threaded column. When the handle is turned, the abutment moves closer to or away from the top of the male head.

[0011] The first positioning mechanism of the utility model includes at least two spaced first positioning blocks, the lower part of the plurality of first positioning blocks is connected to the same first connecting plate, the lower part of the first connecting plate is connected to two spaced first sliders, the base is connected to a second slider adapted to the first sliders, and the first connecting plate is connected to a first cylinder for driving the first sliders to slide.

[0012] The second positioning mechanism of the utility model includes at least two spaced support plates, the lower part of which is connected to a second connecting plate, the lower part of which is connected to two spaced second sliders, the second sliders being perpendicular to the second connecting plate, the base being connected to a second slide rail adapted to the second sliders, and the second connecting plate being connected to a second cylinder for driving the second sliders to slide.

[0013] The positioning shaft of the utility model includes a cylindrical part and a conical part fixedly connected to the cylindrical part. A universal ball is provided on one side of the positioning shaft for easy adjustment of the position of the chord.

[0014] The first pressing mechanism of the utility model has a positioning part on one side for positioning the side of the chord, and the positioning part includes an inclined surface facing the direction of the chord.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention positions the side of the chord rod via a positioning shaft, positions the other side of the chord rod via a first positioning mechanism, positions the female end via a second positioning mechanism, and presses the top of the chord rod via a first pressing mechanism, thereby positioning the chord rod and the female end in all directions and ensuring the firmness of the welding between the chord rod and the female end. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the structure of this utility model combined with the chord and the female end.

[0018] Figure 3 This is a structural schematic diagram of the first positioning mechanism of this utility model.

[0019] Figure 4 This is a schematic diagram of the structure of the second positioning mechanism of this utility model.

[0020] Figure 5 This is a schematic diagram of the structure of the first pressing mechanism of this utility model. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] like Figures 1 to 5 As shown in the embodiment, the device for fixing the chord and the female head during welding truss construction includes a female head 91 located at the end of the chord 92, comprising a base 1. The base 1 is provided with a positioning shaft 2 for positioning the side of the chord 92, a first positioning mechanism 3 for positioning the other side of the chord 92, a second positioning mechanism 4 for positioning the female head 91, and a first pressing mechanism 5 for pressing the top of the chord 92. In this embodiment, the positioning shaft 2 positions the side of the chord 92, the first positioning mechanism 3 positions the other side of the chord 92, the second positioning mechanism 4 positions the female head 91, and the first pressing mechanism 5 presses the top of the chord 92, thereby positioning the chord 92 and the female head 91 in all directions, ensuring the firmness of the welding between the chord 92 and the female head 91.

[0023] In this embodiment, the specific structure of the first positioning mechanism 3 is as follows: The first positioning mechanism 3 includes a first positioning block 31, a first slider 32 is fixedly connected to the lower part of the first positioning block 31, a first slide rail 33 is fixedly connected to the side of the base 1, the first slider 32 is slidably connected along the first slide rail 33, and the first slider 32 is connected to a first cylinder 34 for driving the first slider 32 to slide. The first cylinder 34 drives the first slider 32 to move the first positioning block 31 closer to or away from the side of the chord 92; when the first cylinder 34 drives the first positioning block 31 to move closer to the side of the chord 92, the side of the chord 92 is positioned and fixed; when the first cylinder 34 drives the first positioning block 31 away from the chord 92, the chord 92 can be transported and other operations can be performed.

[0024] The specific structure of the second positioning mechanism 4 is as follows: The second positioning mechanism 4 includes a support plate 41 for supporting the vaginal head 91. A second slider 42 is fixedly connected to the lower part of the support plate 41, and a second slide rail 43 is fixedly connected to the upper part of the base 1. The second slider 42 is slidably connected along the second slide rail 43. A second cylinder 44 for driving the second slider 42 to slide is connected to the second slider 42. A second positioning block 45 for positioning the end of the vaginal head 91 is fixedly connected to the upper part of the support plate 41. The second cylinder 44 drives the second slider 42 to move the support plate 41 and the second positioning block 45 closer to or away from the end of the vaginal head 91. A third positioning mechanism 6 for positioning the side of the vaginal head 91 is provided at one end of the support plate 41. The third positioning mechanism 6 includes a third positioning block 61 connected to the support plate 41. A positioning post 62 is threadedly connected to the third positioning block 61. Twisting the positioning post 62... The support plate 41 is provided with a second pressing mechanism 7 for pressing the top of the vulva 91. The second pressing mechanism 7 includes a mounting base 71 fixedly connected to the support plate 41. A pressing member 72 and an operating member 73 are rotatably connected above the mounting base 71. The pressing member 72 and the operating member 73 are arranged crosswise. A connecting member 74 is rotatably connected between the middle of the pressing member 72 and the middle of the operating member 73. A wrench 75 is provided at the end of the operating member 73. A pressing part 76 that presses the top of the vulva 91 vertically is connected to the end of the vulva 91. The second positioning block 45 is driven by the second cylinder 44 to move close to the end of the vulva 91 to position the end of the vulva 91. The positioning pin 62 is turned to abut against the side of the vulva 91 to achieve the positioning of the side of the vulva 91. The second pressing mechanism 7 presses the top of the vulva 92, thereby achieving multi-directional positioning of the vulva 92.

[0025] The specific structure of the first pressing mechanism 5 is as follows: The first pressing mechanism 5 includes a mounting post 51 connected to the base 1. A crossbar 52 is fixedly connected to the upper end of the mounting post 51. A mounting component 53 with internal threads is fixedly connected to one end of the crossbar 52. A threaded post 54 with external threads is connected inside the mounting component 53. An abutment 55 is connected below the threaded post 54. A handle 56 is connected above the threaded post 54. After turning the handle 56, the abutment 55 moves closer to or away from the top of the vaginal head 91. Turning the handle 56 moves the abutment 55 closer to the top of the vaginal head 91, thereby pressing the top of the vaginal head 91.

[0026] In a preferred embodiment: the first positioning mechanism 3 includes at least two spaced-apart first positioning blocks 31, the lower parts of the plurality of first positioning blocks 31 are connected to a first connecting plate 35, the lower parts of the first connecting plate 35 are connected to two spaced-apart first sliders 32, the base 1 is connected to a second slider 42 adapted to the first slider 32, and the first connecting plate 35 is connected to a first cylinder 34 for driving the first slider 32 to slide; the second positioning mechanism 4 includes at least two spaced-apart support plates 41, the lower parts of the plurality of support plates 41 are connected to a second connecting plate 46, the lower parts of the second connecting plate 46 are connected to two spaced-apart second sliders 42, the second sliders 42 are perpendicular to the second connecting plate 46, the base 1 is connected to a second slide rail 43 adapted to the second slider 42, and the second connecting plate 46 is connected to a second cylinder 44 for driving the second slider 42 to slide; this can meet the requirement of simultaneously welding multiple chords 92 and female ends 91, reduce the power-on and power-off operations of the welding robot, and improve work efficiency.

[0027] The positioning shaft 2 described in this embodiment includes a cylindrical part 21 and a conical part 22 fixedly connected to the cylindrical part 21. One side of the positioning shaft 2 is provided with a universal ball 23 for facilitating the adjustment of the position of the chord 92. Due to the huge weight of the chord 92, the universal ball 23 facilitates the slight movement of the chord 92. The cylindrical part 22 facilitates the lowering of the chord 92.

[0028] In a preferred embodiment, the first clamping mechanism 5 is provided with a positioning part 8 on one side for positioning the side of the string member 92. The positioning part 8 includes an inclined surface 81 facing the direction of the string member 92. Through the joint action of the positioning part 8 and the positioning post 2, the side of the string member 92 is positioned to prevent the string member 92 from tilting.

Claims

1. A device for fixing a chord member and a female end during the welding of a truss, wherein the female end (91) is located at the end of the chord member (92), characterized in that, Includes a base (1), which is provided with a positioning shaft (2) for positioning the side of the chord (92), a first positioning mechanism (3) for positioning the other side of the chord (92), a second positioning mechanism (4) for positioning the female head (91), and a first pressing mechanism (5) for pressing the top of the chord (92).

2. The device for fixing the chord and the female end during welding of a truss according to claim 1, characterized in that, The first positioning mechanism (3) includes a first positioning block (31), a first slider (32) is fixedly connected to the lower part of the first positioning block (31), a first slide rail (33) is fixedly connected to the side of the base (1), the first slider (32) is slidably connected along the first slide rail (33), the first slider (32) is connected to a first cylinder (34) for driving the first slider (32) to slide, the first cylinder (34) drives the first slider (32) to move the first positioning block (31) closer to or away from the side of the chord (92).

3. The device for fixing the chord and the female end in the welding truss according to claim 1, characterized in that, The second positioning mechanism (4) includes a support plate (41) for supporting the vaginal head (91), a second slider (42) is fixedly connected to the lower part of the support plate (41), a second slide rail (43) is fixedly connected to the upper part of the base (1), the second slider (42) is slidably connected along the second slide rail (43), the second slider (42) is connected to a second cylinder (44) for driving the second slider (42) to slide, and a second positioning block (45) for positioning the end of the vaginal head (91) is fixedly connected to the upper part of the support plate (41). The second cylinder (44) drives the second slider (42) to move the support plate (41) and the second positioning block (45) closer to or away from the end of the vaginal head (91).

4. The device for fixing the chord and the female end during welding of a truss according to claim 3, characterized in that, One end of the support plate (41) is provided with a third positioning mechanism (6) for positioning the side of the vaginal head (91). The third positioning mechanism (6) includes a third positioning block (61) connected to the support plate (41). The third positioning block (61) is threadedly connected to a positioning post (62). Twisting the positioning post (62) moves it closer to or away from the side of the vaginal head (91).

5. The device for fixing the chord and the female end when welding a truss according to claim 3 or 4, characterized in that, The support plate (41) is provided with a second pressing mechanism (7) for pressing the top of the vaginal head (91). The second pressing mechanism (7) includes a mounting base (71) fixedly connected to the support plate (41). A pressing member (72) and an operating member (73) are rotatably connected above the mounting base (71). The pressing member (72) and the operating member (73) are arranged crosswise. A connecting member (74) is rotatably connected between the middle part of the pressing member (72) and the middle part of the operating member (73). A wrench (75) is provided at the end of the operating member (73). A pressing part (76) that presses the top of the vaginal head (91) vertically is connected to the end of the pressing member (72).

6. The device for fixing the chord and the female end in the welding truss according to claim 1, characterized in that, The first clamping mechanism (5) includes a mounting post (51) connected to the base (1). A crossbar (52) is fixedly connected to the upper end of the mounting post (51). A mounting component (53) with internal threads is fixedly connected to one end of the crossbar (52). A threaded post (54) with external threads is connected inside the mounting component (53). An abutment (55) is connected below the threaded post (54). A handle (56) is connected above the threaded post (54). After turning the handle (56), the abutment (55) moves closer to or away from the top of the female head (91).

7. The device for fixing the chord and the female end during welding of a truss according to claim 2, characterized in that, The first positioning mechanism (3) includes at least two spaced first positioning blocks (31), the lower part of the plurality of first positioning blocks (31) is connected to the same first connecting plate (35), the lower part of the first connecting plate (35) is connected to two spaced first sliders (32), the base (1) is connected to a second slider (42) adapted to the first slider (32), and the first connecting plate (35) is connected to a first cylinder (34) for driving the first slider (32) to slide.

8. The device for fixing the chord and the female end during welding of a truss according to claim 3, characterized in that, The second positioning mechanism (4) includes at least two spaced support plates (41), the lower part of the multiple support plates (41) is connected to a second connecting plate (46), the lower part of the second connecting plate (46) is connected to two spaced second sliders (42), the second sliders (42) are perpendicular to the second connecting plate (46), the base (1) is connected to a second slide rail (43) adapted to the second sliders (42), and the second connecting plate (46) is connected to a second cylinder (44) for driving the second sliders (42) to slide.

9. The device for fixing the chord and the female end during welding of a truss according to claim 1, characterized in that, The positioning shaft (2) includes a cylindrical part (21) and a conical part (22) fixedly connected to the cylindrical part (21). A universal ball (23) is provided on one side of the positioning shaft (2) for facilitating the adjustment of the position of the chord (92).

10. The device for fixing the chord and the female end in the welding truss according to claim 1, characterized in that, The first pressing mechanism (5) has a positioning part (8) on one side for positioning the side of the chord (92), and the positioning part (8) includes an inclined surface (81) facing the direction of the chord (92).

Images