Welding tool for cowcatcher of high and cold motor train unit

Abstract

The utility model belongs to the technical field of motor train unit cowcatcher welding, and particularly relates to an alpine motor train unit cowcatcher welding tool which comprises a base, a positioning structure installed on the top of the base, angle adjusting structures installed on the left side and the right side of the positioning structure, and a lifting structure arranged at the right end of the bottom of the positioning structure. The angle adjusting structure comprises a rotating unit and an installation limiting unit, the rotating unit comprises a limiting plate, rotating holes are formed in the left side of the limiting plate and internally connected with rotating shafts, a whole plate is installed at the ends, away from each other, of the two rotating shafts, a clamping plate is installed at the ends, close to each other, of the two rotating shafts, and a clamping frame is installed at the bottom of the clamping plate. According to the welding tool for the cowcatcher of the high and cold motor train unit, a rotating shaft, a clamping plate and a clamping frame can be driven to rotate by rotating a full plate, so that a workbench is driven to rotate, the welding angle of the cowcatcher is adjusted, and after the angle is adjusted, the angle can be fixed through a half plate and a limiting rod; and the welding is more flexible and stable.

Description

Technical Field

[0001] The utility model relates to the technical field of welding of motor vehicle group obstacle avoiders, in particular to a welding tool for high-cold motor vehicle group obstacle avoiders. Background Art

[0002] The EMU cowmovers are mainly installed at the front of rail vehicles to clear obstacles on the track. They are required to be able to withstand the impact of livestock and smaller objects. The height of the cowmovers from the rail surface is adjustable within the allowable range of the wheel tread. The size of the cowmovers is sufficient to clear obstacles on the bogie path. They are important safety components on rail vehicles.

[0003] In accordance with the demand for lightweight development, today's snowplows are all thin in thickness, with a large amount of welding during product manufacturing, all of which are full welds, and large deviations during manufacturing. However, they require high precision in matching with the vehicle body and high quality. Therefore, it is urgent to design a special tooling to ensure the manufacturing quality of the snowplow.

[0004] For example, a positioner assembly welding fixture for a motor vehicle obstacle avoider disclosed in Chinese patent CN209532552U is supported by a flat fixture frame, a positioner interface beam coinciding with the center axis of the fixture frame, a bottom enclosure support frame arranged on the fixture frame, a connecting base support frame, and a hose arranged on the positioner interface beam; the bottom enclosure support frame is an arc-shaped structure consistent with the arc of the arc enclosure of the obstacle avoider, and a positioning hole is provided on the connecting base support frame for positioning the bottom enclosure at the small end of the conical surface of the arc enclosure of the obstacle avoider through a positioning piece, and a clamping mechanism is provided on the fixture frame for clamping the sheet of the obstacle avoider assembled on the fixture frame. Through cooperation with the positioner, the positioner can rotate 0 to 360 degrees to cover the welding operation position in all directions. Each support frame is designed and positioned according to the structure of the obstacle avoider, so that each component of the obstacle avoider is accurately positioned to ensure the overall welding quality; the two sides of the fixture frame are symmetrical structures, and two obstacle avoiders can be operated at the same time, effectively improving the production efficiency.

[0005] However, in the prior art, when welding the obstacle remover, since the obstacle remover has multiple arc angles, it is necessary to adjust the angle to a certain extent during welding to facilitate the overall welding and ensure the welding quality.

[0006] For this reason, we urgently need to provide a welding tool for a high-cold EMU snowplow. Utility Model Content

[0007] The purpose of the utility model is to provide a welding tool for a high-cold EMU snowplow, so as to solve the problem in the prior art proposed in the above background technology that when welding the snowplow, due to the presence of multiple arc angles on the snowplow, it is necessary to perform a certain degree of angle adjustment on it during welding, so as to facilitate the overall welding and ensure the welding quality.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding tool for a high-cold EMU snowplow, comprising a base, a positioning structure installed on the top of the base, angle adjustment structures installed on the left and right sides of the positioning structure, and a lifting structure arranged at the right end of the bottom of the positioning structure.

[0009] The angle adjustment structure includes a rotating unit and an installation limiting unit.

[0010] The rotating unit includes a limiting plate, a rotating hole is opened on the left side of the limiting plate and a rotating shaft is connected inside, a full plate is installed at one end of the two rotating shafts away from each other, a clamping plate is installed at one end of the two rotating shafts close to each other, and a clamping frame is installed at the bottom of the clamping plate.

[0011] Preferably, the installation limiting unit comprises a tripod, a half plate is connected to the top of the tripod, a limiting hole is provided on the left side of the half plate and a limiting rod is installed inside the hole.

[0012] Preferably, the bottom surface of the limit plate is fixedly connected to the top of the tripod, a circular hole is provided in the middle of the half plate, the inside of the circular hole is rotatably connected to the outer surface of the rotating shaft, and the outer surface of the limit rod is connected to the inside of the limit hole 1 provided on the left side of the full plate. The plurality of limit holes 1 and the limit holes provided on the left side of the full plate and the half plate are provided at equal distances, and the limit rod is adapted to the size of the limit hole and the limit hole 1.

[0013] Preferably, the positioning structure includes a workbench, a longitudinal screw sleeve is installed on the top surface of the workbench, a pressing screw sleeve is connected to the top of the longitudinal screw sleeve, a transverse screw sleeve is installed on the top surface of the workbench, a pressing block is connected to the output end of the transverse screw sleeve, a pressing long plate is arranged on the top of the workbench, and a pin shaft is installed at one end of the longitudinal screw sleeve, the pressing screw sleeve and the transverse screw sleeve.

[0014] Preferably, the two ends of the workbench abut against the clamping plate and the clamping frame, and the bottom surface of the pressing block abuts against the top surface of the workbench. The pin is detachably connected with the longitudinal screw sleeve, the pressing screw sleeve, and the transverse screw sleeve, and the pressing long plate is connected with part of the longitudinal screw sleeve and the pressing screw sleeve for use.

[0015] Preferably, the lifting structure includes a support seat, a hydraulic cylinder is installed in the middle of the top surface of the support seat, the output end of the hydraulic cylinder is connected to the lifting seat, sliders are installed in the middle of the front and back of the lifting seat, and the outer surface of the slider is connected to a slide groove.

[0016] Preferably, the outer surface of the slider is slidably connected to a convex slide groove inner wall in the middle of one side where the two slide grooves are close to each other, the bottom end of the outer surface of the slide groove is fixedly connected to the middle of the front and back sides of the support seat, and the front and back sides of the outer surface of the lifting seat are slidably connected to one side where the two slide grooves are close to each other.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The welding fixture of the snowplow of the high-cold EMU can drive the rotating shaft, the clamping plate and the clamping frame to rotate by rotating the whole plate through the setting of the angle adjustment structure, thereby driving the workbench to rotate, so as to adjust the welding angle of the snowplow. After the angle is adjusted, the angle can be fixed by using the half plate and the limit rod, making the welding more flexible and stable.

[0019] 2. The welding tooling of the high-cold EMU snowplow, through the setting of the positioning structure, utilizes the combination of the longitudinal screw sleeve, the pressing screw sleeve, the transverse screw sleeve, the pressing block and the pressing long plate, so that the snowplow can be positioned at multiple angles when welding, making the welding more accurate and stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is an enlarged view of the lifting structure of the utility model;

[0022] Figure 3 It is an enlarged view of the clamping structure of the utility model;

[0023] Figure 4 This is an enlarged view of the angle adjustment structure of the utility model;

[0024] Figure 5 It is an enlarged view of the span positioning structure of the utility model.

[0025] In the figure: 1, base; 101, workbench; 102, longitudinal screw sleeve; 103, pressing screw sleeve; 104, transverse screw sleeve; 105, pressing block; 106, pressing long board; 107, pin shaft; 201, tripod; 202, limit plate; 203, rotating shaft; 204, half board; 205, full board; 206, limit rod; 207, clamping plate; 208, clamping frame; 301, support seat; 302, hydraulic cylinder; 303, lifting seat; 304, slider; 305, slide groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 5, the utility model provides a technical solution:

[0028] Embodiment 1:

[0029] A welding tool for a high-cold EMU obstacle clearer comprises a base 1, a positioning structure is installed on the top of the base 1, angle adjustment structures are installed on the left and right sides of the positioning structure, and a lifting structure is arranged at the right end of the bottom of the positioning structure.

[0030] The angle adjustment structure includes a rotation unit and an installation limit unit. The rotation unit includes a limit plate 202. A rotation hole is provided on the left side of the limit plate 202 and a rotation shaft 203 is connected therein. A full plate 205 is installed at one end of the two rotation shafts 203 away from each other. A clamping plate 207 is installed at one end of the two rotation shafts 203 close to each other. A clamping frame 208 is installed at the bottom of the clamping plate 207. The installation limit unit includes a tripod 201. A half plate 204 is connected to the top of the tripod 201. A limit hole is provided on the left side of the half plate 204 and a limit rod 206 is installed therein.

[0031] The bottom surface of the limiting plate 202 is fixedly connected to the top of the tripod 201, a circular hole is opened in the middle of the half plate 204, the inside of the circular hole is rotatably connected to the outer surface of the rotating shaft 203, and the outer surface of the limiting rod 206 is connected to the inside of the limiting hole opened on the left side of the full plate 205.

[0032] The lifting structure includes a support seat 301, a hydraulic cylinder 302 is installed in the middle of the top surface of the support seat 301, the output end of the hydraulic cylinder 302 is connected to the lifting seat 303, a slider 304 is installed in the middle of the front and back of the lifting seat 303, and the outer surface of the slider 304 is connected to the slide groove 305. The outer surface of the slider 304 is slidably connected to the inner wall of a convex slide groove in the middle of one side close to the two slide grooves 305, the bottom end of the outer surface of the slide groove 305 is fixedly connected to the middle of the front and back of the support seat 301, and the outer surface of the lifting seat 303 is slidably connected to the side close to the two slide grooves 305 on the front and back.

[0033] By setting the angle adjustment structure, the rotating shaft 203, the clamping plate 207 and the clamping frame 208 can be driven to rotate by rotating the whole plate 205, thereby driving the workbench 101 to rotate, so as to adjust the welding angle of the obstacle remover. After the angle is adjusted, the angle can be fixed by using the half plate 204 and the limit rod 206, making the welding more flexible and stable.

[0034] When positioning the obstruction remover for welding, the rotating shaft 203 is driven to rotate by rotating the whole plate 205, and the rotating shaft 203 drives the clamping plate 207 and the clamping frame 208 to rotate the angle, thereby driving the workbench 101 to rotate, so as to adjust the angle of the obstruction remover. After adjusting to the appropriate angle, the rotation angle is limited by inserting the limit rod 206 into the corresponding limit holes and limit hole 1 of the half plate 204 and the whole plate 205, so as to ensure the stable welding of the obstruction remover. Then, the hydraulic cylinder 302 is started to drive the lifting seat 303 to rise and fall, and the top of the lifting seat 303 is abutted against the bottom surface of the workbench 101, so that the welding process of the obstruction remover can be made more stable.

[0035] Embodiment 2:

[0036] On the basis of the first embodiment, the positioning structure includes a workbench 101, a longitudinal screw sleeve 102 is installed on the top surface of the workbench 101, a pressing screw sleeve 103 is connected to the top of the longitudinal screw sleeve 102, a transverse screw sleeve 104 is installed on the top surface of the workbench 101, a pressing block 105 is connected to the output end of the transverse screw sleeve 104, a pressing long plate 106 is arranged on the top of the workbench 101, and a pin 107 is installed at one end of the longitudinal screw sleeve 102, the pressing screw sleeve 103, and the transverse screw sleeve 104. Both ends of the workbench 101 abut against the clamping plate 207 and the clamping frame 208, and the bottom surface of the pressing block 105 abuts against the top surface of the workbench 101.

[0037] By setting the positioning structure and utilizing the combination of the longitudinal screw sleeve 102, the pressing screw sleeve 103, the transverse screw sleeve 104, the pressing block 105 and the pressing long plate 106, the obstacle remover can be positioned at multiple angles when being welded, making the welding more accurate and stable.

[0038] When welding the obstacle remover, the longitudinal screw sleeve 102 and the pressing screw sleeve 103 are used in combination to apply a clamping force from top to bottom to the obstacle remover. The transverse screw sleeve 104 can be installed at multiple angles and can be squeezed and fixed from multiple angles in combination with the pressing block 105. The pressing long plate 106 can be used to position the obstacle remover in a larger span, thereby making the obstacle remover more stable during the welding process.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A welding tool for a high-cold EMU snowplow, comprising a base (1), characterized in that: A positioning structure is installed on the top of the base (1), angle adjustment structures are installed on the left and right sides of the positioning structure, and a lifting structure is provided at the right end of the bottom of the positioning structure; The angle adjustment structure includes a rotation unit and an installation limit unit; The rotating unit comprises a limiting plate (202), a rotating hole is provided on the left side of the limiting plate (202), a rotating shaft (203) is connected inside the hole, a full plate (205) is installed at one end of the two rotating shafts (203) away from each other, a clamping plate (207) is installed at one end of the two rotating shafts (203) close to each other, and a clamping frame (208) is installed at the bottom of the clamping plate (207).

2. The welding tool for the high-cold EMU snowplow according to claim 1 is characterized by: The installation limiting unit comprises a tripod (201), the top of the tripod (201) is connected to a half plate (204), and a limiting hole is provided on the left side of the half plate (204) and a limiting rod (206) is installed inside the hole.

3. The welding tool for the high-cold EMU snowplow according to claim 2 is characterized by: The bottom surface of the limiting plate (202) is fixedly connected to the top of the tripod (201); a circular hole is provided in the middle of the half plate (204); the inside of the circular hole is rotatably connected to the outer surface of the rotating shaft (203); and the outer surface of the limiting rod (206) is connected to the inside of the limiting hole provided on the left side of the full plate (205).

4. The welding tool for the high-cold EMU snowplow according to claim 1 is characterized by: The positioning structure comprises a workbench (101), a longitudinal screw sleeve (102) is installed on the top surface of the workbench (101), a pressing screw sleeve (103) is connected to the top of the longitudinal screw sleeve (102), a transverse screw sleeve (104) is installed on the top surface of the workbench (101), an output end of the transverse screw sleeve (104) is connected to a pressing block (105), a pressing long plate (106) is arranged on the top of the workbench (101), and a pin shaft (107) is installed at one end of the longitudinal screw sleeve (102), the pressing screw sleeve (103) and the transverse screw sleeve (104).

5. The welding tool for the high-cold EMU snowplow according to claim 4 is characterized by: The two ends of the workbench (101) are in contact with the clamping plate (207) and the clamping frame (208), and the bottom surface of the pressing block (105) is in contact with the top surface of the workbench (101).

6. The welding tool for the high-cold EMU snowplow according to claim 1 is characterized by: The lifting structure comprises a support seat (301), a hydraulic cylinder (302) is installed in the middle of the top surface of the support seat (301), the output end of the hydraulic cylinder (302) is connected to a lifting seat (303), a slider (304) is installed in the middle of the front and back of the lifting seat (303), and the outer surface of the slider (304) is connected to a slide groove (305).

7. The welding tool for the high-cold EMU snowplow according to claim 6 is characterized by: The outer surface of the slider (304) is slidably connected to the inner wall of a convex slide groove in the middle of one side close to the two slide grooves (305), the bottom end of the outer surface of the slide groove (305) is fixedly connected to the middle of the front and back sides of the support seat (301), and the front and back sides of the outer surface of the lifting seat (303) are slidably connected to the two slide grooves (305) in the middle of one side close to each other.

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