A welding device for laying railway tracks

Abstract

The present invention relates to the field of welding technology, and in particular to a welding device for laying railway tracks, including an adjusting and supporting mechanism, a grinding mechanism and a welding mechanism; the adjusting and supporting mechanism is fixed on two rail bodies with a gap, and can adjust the two rail bodies with a gap to a suitable spacing; the grinding mechanism can slide longitudinally and transversely relative to the adjusting and supporting mechanism; the welding mechanism is used to weld the weld between the two rail bodies. The grinding mechanism includes a grinding piece and a collecting cover with a magnetic adsorption piece on the inner side, the adsorption cover collects the debris generated by grinding, and a cleaning wheel is provided at the edge of the collecting cover to clean the debris attached to the weld, and the debris is adsorbed on the magnetic adsorption piece on the inner side of the collecting cover. The present invention can reduce the problem of residual debris from grinding, eliminate slag inclusions during welding, improve the welding quality of railway tracks, and extend the service life of railway tracks.

Description

Technical Field

[0001] The invention relates to the technical field of welding, and in particular to welding equipment for laying railway tracks. Background Art

[0002] Railway track refers to a facility used to support and guide the movement of railway vehicles. It is usually composed of a pair of parallel metal rails. During the laying process of railway tracks, welding equipment is required to connect multiple sections of railway tracks into seamless lines, thereby eliminating railway track joints, reducing vibration and noise during train travel, improving driving stability, reducing wear on railway tracks and trains, and extending service life.

[0003] In the prior art, when welding the rail body of a railway track, thermite welding is usually used, and the welding part needs to be polished before welding to eliminate the influence on welding. However, during the polishing process, since the rail body is usually made of iron or iron alloy, these materials are ferromagnetic substances, the polished debris may retain a certain degree of magnetism, and the polished part may absorb some debris after polishing. After welding, some debris remains in the weld to form slag, which will reduce the strength and toughness of the weld and cause cracking of the connection part of the railway track. Summary of the invention

[0004] In view of the above technical problems, the present invention provides a welding device for laying railway tracks, comprising two adjusting and measuring plates, wherein guide grooves are arranged at four corners of the vertical surface of the adjusting and measuring plates along the longitudinal direction, wherein the same driving screw is slidably installed in the guide grooves opposite to each other of the two adjusting and measuring plates, and wherein two fixing blocks capable of moving toward and away from each other are installed in the threaded parts of the middle parts of the two driving screws at the same end in the longitudinal direction; the driving screw can move quantitatively in the guide groove along the longitudinal direction;

[0005] It also includes a support frame that can move longitudinally along the adjustment measuring plate, a guide rod is installed in the interior of the support frame in the transverse direction, a guide block is slidably installed on the guide rod, and the bottom of the guide block is connected to the positioning carrier through a spring; a driving motor is installed on the positioning carrier, a grinding piece is installed on the output end of the bottom of the driving motor, a pressing plate is installed on one side of the top surface of the positioning carrier, two collecting covers are symmetrically installed in the transverse direction relative to the grinding piece on the bottom surface of the positioning carrier, cleaning wheels are rotatably installed at two edge positions of the collecting cover, and a magnetic adsorption piece is installed on the inner side of the collecting cover;

[0006] It also includes two protective blocks located on both sides of the rail body and capable of being separated and combined, half of a graphite sand mold is nested on the inner side of each protective block, a bracket is installed on the top of the protective block, a reaction furnace is installed on the top of the bracket, and the bottom end of the reaction furnace is inserted into the inner side of the top of the protective block and the graphite sand mold.

[0007] Preferably, the shapes of the opposite sides of the two fixing blocks on the same driving screw match the side shape of the rail body; the shapes of the side of the protective block and the graphite sand mold close to the rail body match the side shape of the rail body.

[0008] Preferably, both ends of the driving screw are smooth rods, and at the end of the driving screw extending out of the adjusting and measuring plate, the upper and lower driving screws at the same end in the longitudinal direction are rotatably mounted on the traction plate; a bearing seat is installed on the outer side surface of the vertical surface of the adjusting and measuring plate, and a traction screw is rotatably mounted on the bearing seat, and the outer periphery of the two ends of the traction screw in the longitudinal direction is provided with threads and is connected to the middle part of the traction plate to drive the traction plate to make quantitative movements close or apart.

[0009] Preferably, the transverse cross-section of the adjustment and measurement plate is L-shaped, with the flat surface portion at the top and the vertical surface portion at the bottom.

[0010] Preferably, a guide slot is longitudinally provided on the plane portion of the adjustment measuring plate, a guide slider 1 is slidably installed in the guide slot, a guide plate is transversely arranged so that it slides in the guide slot through the guide slider 1, and a support frame is fixedly installed side by side with the guide plate.

[0011] Preferably, it also includes two movable plates arranged in the transverse direction, a guide slider 2 is slidably installed in the guide slot, and the movable plate can slide in the longitudinal direction relative to the adjustment measuring plate through the guide slider 2; the inner ends of the two movable plates are respectively fixed to the outer side of a protective block.

[0012] Preferably, a positioning plate 1 with a groove on the top is respectively arranged at both ends of one of the protective blocks in the longitudinal direction, and a positioning plate 2 with a slot on the top is respectively arranged at both ends of the other protective block in the longitudinal direction corresponding to the positioning plate 1. A positioning rod is rotatably installed in the top groove of the positioning plate 1, and the positioning rod can pass through the top slot of the positioning plate 2. A nut is rotatably installed on the outer end of the positioning rod that passes through the top slot of the positioning plate 2.

[0013] Preferably, a transverse guide groove is provided on the side surfaces of the graphite sand mold and the protective block, and an aluminum partition plate is installed inside the guide groove.

[0014] Preferably, the bottom of the reactor is a conical structure, a circular hole is arranged at the bottom end of the conical structure of the reactor, and a circular tube is connected to the outside of the circular hole to reach the graphite sand mold; a cover plate is installed on the top of the reactor, and rectangular grooves are arranged at intervals along the circumferential direction on the cover plate; an aluminum partition plate 2 is installed at the circular hole at the bottom end of the conical structure of the reactor, and a connecting plate is arranged inside the reactor, and a vertically arranged guide tube is installed on the connecting plate, the bottom of the guide tube passes through the aluminum partition plate 2 and the bottom end is at the inner top of the graphite sand mold, and the top of the guide tube passes through the cover plate.

[0015] Preferably, a protective cover is coaxially installed on the outer periphery of the reaction furnace, an annular water storage space is formed between the protective cover and the reaction furnace, and the top of the protective cover is higher than the cover plate.

[0016] The present invention provides a welding device for laying railway tracks, which has the following beneficial effects:

[0017] 1. The driving motor on the positioning carrier drives the grinding piece to grind the railway track weld. The debris generated by grinding is collected by a collecting cover with a magnetic adsorption part on the inside. The debris attached to the weld is cleaned by a cleaning wheel at the edge of the collecting cover, so that the debris is adsorbed on the magnetic adsorption part on the inside of the collecting cover. This can reduce the problem of residual debris from grinding, eliminate slag inclusions during welding, improve the welding quality of the railway track, and extend the service life of the railway track.

[0018] 2. When welding the railway track weld, the bottom of the reaction furnace is inserted into the top of the graphite sand mold, so that the bottom of the guide pipe is above the weld. When the molten steel flows to the weld, the gas at the weld is discharged through the guide pipe. Since the bottom of the guide pipe is an inverted cone structure, it will not cause blockage caused by the inflow of molten steel, and the gas can be quickly discharged to prevent the problem of residual pores, thereby further improving the quality of railway track welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0020] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture:

[0022] Figure 1 A schematic diagram showing the overall structure of the present invention;

[0023] Figure 2 A schematic diagram of the structure of the adjustment and support mechanism of the present invention is shown;

[0024] Figure 3 The schematic diagram of the structure of the driving screw and the fixing block of the present invention is shown;

[0025] Figure 4 The overall structural schematic diagram of the grinding mechanism of the present invention is shown;

[0026] Figure 5 A schematic diagram of the local structure of the grinding mechanism of the present invention is shown;

[0027] Figure 6 The schematic diagram of the structure of the positioning carrier plate and its upper and lower components of the present invention is shown;

[0028] Figure 7 The overall structural schematic diagram of the welding mechanism of the present invention is shown;

[0029] Figure 8 The schematic diagram of the decomposition structure of the protection block, the graphite sand mold and the reaction furnace of the present invention is shown;

[0030] Fig. 9 A schematic cross-sectional view of the welding mechanism of the present invention is shown;

[0031] Fig.10 A schematic cross-sectional view of the reaction furnace of the present invention is shown;

[0032] Description of reference numerals: 1. Adjustment and measurement plate; 101. Guide groove; 102. Drive screw; 103. Fixing block; 104. Traction plate; 105. Traction screw; 2. Guide slide groove; 201. Guide slide block 1; 202. Guide plate; 203. Support frame; 204. Guide rod; 205. Guide block; 206. Positioning carrier plate; 207. Press plate; 208. Grinding piece; 209. Collecting cover; 2010. Cleaning wheel; 2011. Magnetic adsorption piece; 3. Guide Slider 2; 301, movable plate; 302, protective block; 303, positioning plate 1; 304, positioning plate 2; 305, positioning rod; 306, graphite sand mold; 307, guide groove; 308, aluminum partition 1; 309, reaction furnace; 3010, cover plate; 3011, aluminum partition 2; 3012, guide pipe; 3013, protective cover; 3014, guide ring; 3015, rotating ring; 3016, impact rod; 3017, force rod; 4, rail body. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] In the present invention, the longitudinal direction refers to the length direction of the rail body 4, and the transverse direction refers to the direction perpendicular to the length direction of the rail body 4, but the longitudinal and transverse directions are defined only for the convenience of expressing the technical solution of the present invention.

[0035] The present invention provides a welding device for laying railway tracks, such as Figure 1-Figure 3As shown, it includes an adjustment and support mechanism, which can be fixed on two rail bodies 4 with a gap, and can adjust the two rail bodies 4 with a gap to a suitable spacing for subsequent welding operations; specifically, the adjustment and support mechanism includes two adjustment and measurement plates 1 relatively arranged on both sides of the rail body 4, the transverse cross-section of the adjustment and measurement plate 1 is L-shaped, with the flat part on the top and the vertical part on the bottom; the longitudinal direction of the adjustment and measurement plate 1 is consistent with the longitudinal direction of the rail body 4, that is, the adjustment and measurement plate 1 is arranged along the longitudinal direction; guide grooves 101 are arranged at the four corners of the vertical part of the adjustment and measurement plate 1 along the longitudinal direction; the same driving screw 102 is slidably installed in the guide grooves 101 relative to the two adjustment and measurement plates 1, the two ends of the driving screw 102 are smooth rods, and the outer periphery of the middle part is provided with threads, the smooth rod part of the driving screw 102 is slidably installed in the guide groove 101, and the threaded part of the driving screw 102 is provided with two fixing blocks 103, and the two driving screws 102 at the same end in the longitudinal direction are connected to the same Two fixing blocks 103, the two fixing blocks 103 on the same driving screw 102 can move closer or farther when the driving screw 102 rotates. This connection method is well known in the mechanical field and will not be described in detail here; the shape of the opposite side of the two fixing blocks 103 on the same driving screw 102 matches the side shape of the rail body 4 to clamp the rail body 4 when close; at the end of the driving screw 102 extending out of the adjustment measuring plate 1, the upper and lower driving screws 102 at the same end in the longitudinal direction rotate The measuring plate 1 is rotatably mounted on the traction plate 104; a bearing seat is mounted on the outer side of the vertical surface of the adjusting measuring plate 1, and a traction screw 105 is rotatably mounted on the bearing seat; threads are arranged on the outer periphery of both ends of the traction screw 105 in the longitudinal direction, and the threaded parts at both ends of the traction screw 105 in the longitudinal direction are connected to the middle part of the traction plate 104, and the two traction plates 104 on the same traction screw 105 can move close to or away from each other when the traction screw 105 rotates. This connection method is well known in the mechanical field and will not be repeated here.

[0036] When welding two rail bodies 4 with a gap, the two fixing blocks 103 at the same end in the longitudinal direction are clamped on the lateral sides of the same rail body 4, that is, the rail body 4 passes through the space between the two fixing blocks 103; the driving screw 102 is continuously rotated with the help of a tool so that the driving screw 102 drives the fixing block 103 to move similarly, so that the fixing block 103 is pressed and fixed on the rail body 4; the two adjustment and measurement plates 1 are placed parallel to each other on both sides of the rail body 4 in the longitudinal direction, and the smooth rod of the driving screw 102 is slidably arranged Installed in the guide groove 101, at this time, the traction plate 104 is also slidably installed on the light rod of the driving screw 102; then the traction screw 105 is driven to rotate so that the traction screw 105 drives the traction plates 104 at both ends to make similar movements, and then the traction plate 104 can drive the driving screw 102 to move along the guide groove 101, and then the fixed block 103 drives the two rail bodies 4 to move similarly, so that the gap between the two rail bodies 4 is at a suitable spacing, the structure is simple, the operation is convenient, and the weld can be accurately adjusted according to needs.

[0037] like Figure 1 , Figure 4-6 As shown, it also includes a grinding mechanism, which is used to grind the weld and clean up the generated debris; the grinding mechanism includes a guide plate 202, a guide slot 2 is longitudinally provided on the plane part of the adjusting and measuring plate 1, a guide slider 201 is slidably installed in the guide slot 2, the guide plate 202 arranged in the transverse direction is connected to the guide slider 201, and the guide plate 202 can slide in the longitudinal direction relative to the adjusting and measuring plate 1 through the guide slider 201. Specifically, grooves are provided at both ends of the guide plate 202, and the guide slider 201 is slidably installed inside the groove. The guide slider 201 is a cylindrical structure with a protruding top, and the guide slider 201 is sequentially inserted into the groove of the guide plate 202 and the guide slot 2; a support frame 203 is fixedly installed side by side with the guide plate 202, and the support frame 203 is a rectangular frame structure. Two guide rods 204 are installed laterally inside the support frame 203, and the two guide rods 204 are arranged parallel to the support frame 203. Guide blocks 205 are slidably installed on the two guide rods 204; a spring is installed at the bottom of the guide block 205, and the bottoms of the two guide blocks 205 are connected to the positioning carrier 206 through the spring; a driving motor is installed in the center of the positioning carrier 206, and a grinding piece 208 is installed on the output end of the bottom of the driving motor, a pressing plate 207 is installed on one side of the top surface of the positioning carrier 206, and two arc-shaped collecting covers 209 are symmetrically installed on the bottom surface of the positioning carrier 206 along the horizontal direction relative to the grinding piece 208, and the arc-shaped openings of the collecting covers 209 are arranged opposite to each other; cleaning wheels 2010 are rotatably installed at the two arc-shaped edge positions of the collecting cover 209, and a magnetic adsorption piece 2011 is installed on the inner side of the collecting cover 209.

[0038] When grinding the welding position of the rail body 4, the moving guide plate 202 drives the support frame 203 to be above the weld between the two rail bodies 4; applying pressure to the top of the pressure plate 207, the spring on the upper part of the positioning carrier 206 is stretched, so that the grinding piece 208 and the collecting cover 209 are inserted into the weld; the guide block 205 is moved along the guide rod 204, and the positioning carrier 206 drives the grinding piece 208 at the bottom output end of the driving motor to move between the welds, and the grinding piece 208 rotates at high speed to The weld is ground, and the magnetic adsorption member 2011 on the inner side of the arc-shaped collecting cover 209 can adsorb and collect the debris generated by the grinding to prevent the debris from splashing to other places; and the cleaning wheel 2010 at the edge of the collecting cover 209 can rotate and clean the adsorbed debris on the weld, and collect it to the inner side of the collecting cover 209 under the magnetic adsorption of the magnetic adsorption member 2011, thereby reducing the problem of debris in the weld, thereby reducing the problem of slag inclusion during welding, and improving the welding quality of the connection between the rail bodies 4.

[0039] like Figure 1 , Figure 7-10As shown, it also includes a welding mechanism, which is used to weld the weld between the two rail bodies 4; the welding mechanism includes two movable plates 301 arranged in the transverse direction, and a guide slider 2 3 is slidably installed in the guide slide groove 2. The movable plate 301 arranged in the transverse direction is connected to the guide slider 2 3. The movable plate 301 can slide in the longitudinal direction relative to the adjustment and measurement plate 1 through the guide slider 2 3. Specifically, a groove is opened on the movable plate 301, and the guide slider 2 3 is slidably installed inside the groove. The guide slider 2 3 is a cylindrical structure with a protruding top. The guide slider 2 3 is inserted into the groove of the movable plate 301 and the guide slide groove 2 in sequence. ; A protective block 302 is installed at the inner end of each of the two movable plates 301, and the inner end of the movable plate 301 is connected to the outer top of the protective block 302 away from the rail body 4, and the two protective blocks 302 are respectively located on both sides of the rail body 4; a positioning plate 1 303 is respectively arranged at both ends in the longitudinal direction of one of the protective blocks 302, and a positioning plate 2 304 is respectively arranged at both ends in the longitudinal direction of the other protective block 302 corresponding to the positioning plate 1 303, a groove is provided at the top of the positioning plate 1 303, and a card slot is provided at the top of the positioning plate 2 304, and a positioning rod is rotatably installed in the groove at the top of the positioning plate 1 303 305, the positioning rod 305 can pass through the top slot of the second positioning plate 304, and the outer end of the positioning rod 305 extending out of the top slot of the second positioning plate 304 is rotatably installed with a nut, and the nut is tightly attached to the outer side of the second positioning plate 304; a half graphite sand mold 306 is arranged between the inner side of each protective block 302 and the rail body 4, and the graphite sand mold 306 is nested in the protective block 302, and the graphite sand mold 306 is installed on the outer side of the weld of the rail body 4, and the shape of the side of the protective block 302 and the graphite sand mold 306 close to the rail body 4 matches the side shape of the rail body 4, and the graphite sand mold 306 is arranged between the inner side of each protective block 302 and the rail body 4. The sides of the tool 306 and the protective block 302 are provided with a guide groove 307 in the horizontal direction, and an aluminum partition 308 is installed inside the guide groove 307; a bracket is installed on the top of the protective block 302, and a reaction furnace 309 is installed on the top of the bracket, and the bottom end of the reaction furnace 309 is inserted into the inner side of the top of the protective block 302 and the graphite sand mold 306; the bottom of the reaction furnace 309 is a conical structure, and a circular hole is set at the bottom end of the conical structure of the reaction furnace 309, and a circular tube is connected to the outside of the circular hole to reach the graphite sand mold 306; a cover plate 3010 is installed on the top of the reaction furnace 309, and the cover plate 3010 is provided with rectangular grooves at intervals along the circumferential direction;A second aluminum partition plate 3011 is installed at the circular hole at the bottom end of the conical structure of the reactor 309, a connecting plate is radially arranged inside the reactor 309, and a vertically arranged guide tube 3012 is installed on the connecting plate, the bottom of the guide tube 3012 passes through the second aluminum partition plate 3011 and the bottom end is at the inner top of the graphite sand mold 306 (and is located in the circular tube), the bottom end of the guide tube 3012 is a conical structure, the top of the guide tube 3012 passes through the cover plate 3010, and the guide tube 3012 is centrally arranged in the reactor 309; a protective cover 3013 is coaxially installed on the periphery of the reactor 309, and the protective cover 3013 is coaxial with the reactor 309. An annular water storage space is formed between the furnaces 309, and the top of the protective cover 3013 is higher than the cover plate 3010; a guide ring piece 3014 is also installed on the outer periphery of the reaction furnace 309, and a rotating ring 3015 is rotatably installed on the outer side of the guide ring piece 3014, and the rotating ring 3015 is located below the protective cover 3013; a plurality of springs are arranged at intervals along the circumference at the bottom of the rotating ring 3015, and a vertically arranged impact rod 3016 is installed at the bottom of the spring, and a force rod 3017 is arranged at intervals along the circumference at the outer bottom of the reaction furnace 309, and the force rod 3017 is arranged radially and perpendicular to the vertically arranged impact rod 3016. ;

[0040] When welding the rail body 4, place the two halves of the graphite sand mold 306 at the weld of the rail body 4, move the movable plate 301 so that the protective block 302 at the inner end of the movable plate 301 is located on the outside of the graphite sand mold 306; turn the nut to move the positioning plate 1 303 and the positioning plate 2 304, so that the positioning plate 1 303 and the positioning plate 2 304 pull the protective blocks 302 on both sides close to each other, and fix the position of the graphite sand mold 306; insert the bottom of the reaction furnace 309 into the inner top of the graphite sand mold 306 and the protective block 302, put flux into the inside of the reaction furnace 309, ignite the flux and close the cover 3010, the combustion of the flux will produce sparks, and the sparks will overflow through the rectangular groove at the bottom of the cover 3010 into the inner side of the protective cover 3013, and the bottom of the protective cover 3013 contains coolant to cool the sparks in time; the flux inside the reaction furnace 309 melts The molten steel is formed, and the molten steel melts the aluminum partition 3011 at the bottom and then flows downward. The molten steel enters the weld, and the gas in the weld is discharged through the guide pipe 3012 to prevent the gas from causing the molten steel to surge and reduce the problem of pores in the weld. The molten aluminum contained in the molten steel is relatively light and floats on the top, and the temperature of the molten aluminum is relatively high, so that the aluminum partition 308 in the guide groove 307 melts and the molten aluminum is discharged; when there is no spark splashing in the reaction furnace 309, the rotating ring 3015 rotates on the outside of the guide ring 3014 to drive the impact rod 3016 to impact the outside of the force-bearing rod 3017, and the vibration generated by the force-bearing rod 3017 is transmitted to the reaction furnace 309, and the reaction furnace 309 is further transmitted to the graphite sand mold 306 below, so that the molten steel and the molten aluminum in the graphite sand mold 306 begin to separate better, ensuring the fusion of the molten steel and the rail body 4, and improving the quality of the weld of the rail body 4.

[0041] The working principle of the present invention is as follows: when in use, the rail body 4 is sleeved in the two fixed blocks 103, the driving screw 102 is rotated to drive the fixed block 103 to be fixedly clamped on the rail body 4, and the traction screw 105 is rotated on the outer side of the adjustment measuring plate 1 to drive the traction plate 104 to pull the driving screw 102 to move along the guide groove 101, at which time the fixed block 103 drives the two rail bodies 4 to move to adjust the weld width; the guide plate 202 is moved, and the guide plate 202 drives the supporting frame 203 to be above the weld between the two rail bodies 4, and pressure is applied to the top of the pressing plate 207 so that the grinding piece 208 and the collecting cover 209 under the positioning carrier plate 206 are inserted into the weld, and the guide block 205 moves along the guide rod 204 so that the positioning carrier plate 206 drives the grinding piece 208 at the output end of the driving motor to move between the welds for grinding, and the magnetic adsorption piece 2011 in the collecting cover 209 collects the debris generated by grinding; the two halves are The graphite sand mold 306 is placed at the weld of the rail body 4, the protective block 302 is placed on the outside of the graphite sand mold 306, the positioning rod 305 is snap-fitted and installed in the slot on the top of the positioning plate 304, and the nut is turned to make the positioning plate 1 303 and the positioning plate 2 304 pull the two protective blocks 302 close to each other to fix the graphite sand mold 306; the bottom of the reaction furnace 309 is inserted into the inner top of the graphite sand mold 306 and the protective block 302, and flux is put into the inside of the reaction furnace 309. The sparks generated after the flux is ignited enter the inside of the protective cover 3013, and the flux inside the reaction furnace 309 melts into molten steel and melts the aluminum partition 2 3011 at the bottom, and then flows downward into the weld. The gas in the weld is discharged through the guide pipe 3012. The aluminum liquid contained in the molten steel is relatively light and floats on the top. The aluminum liquid melts the aluminum partition 1 308 and is discharged through the guide groove 307. After the molten steel is cooled, the welding of the weld of the rail body 4 is completed.

[0042] In this article, there are a few points to note:

[0043] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0044] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0045] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A welding device for laying railway tracks, characterized in that: The utility model comprises two adjusting and measuring plates, wherein the four corners of the vertical surface of the adjusting and measuring plates are provided with guide grooves in the longitudinal direction, the same driving screw is slidably installed in the guide grooves opposite to each other of the two adjusting and measuring plates, and two fixing blocks capable of moving toward and away from each other are installed in the threaded parts in the middle of the two driving screws at the same end in the longitudinal direction; the driving screw can be quantitatively moved in the longitudinal direction in the guide groove under the drive of the traction screw outside the adjusting and measuring plates; It also includes a support frame that can move longitudinally along the adjustment measuring plate, a guide rod is installed in the interior of the support frame in the transverse direction, a guide block is slidably installed on the guide rod, and the bottom of the guide block is connected to the positioning carrier through a spring; a drive motor is installed on the positioning carrier, a cylindrical grinding piece is installed on the output end of the bottom of the drive motor, a pressure plate is installed on one side of the top surface of the positioning carrier, two identical arc-shaped collecting covers with openings facing each other are symmetrically installed on the bottom surface of the positioning carrier in the transverse direction relative to the grinding piece, and vertically arranged cleaning wheels are rotatably installed at two edge positions of the collecting cover, and the cleaning wheels of the same collecting cover are distributed in the longitudinal direction; a magnetic adsorption piece is installed on the inner side of the collecting cover; It also includes two protective blocks located on both sides of the rail body and capable of being separated and combined, the protective blocks being able to move longitudinally along the adjustment measuring plate, half of a graphite sand mold being nested on the inner side of each protective block, a bracket being installed on the top of the protective block, a reactor being installed on the top of the bracket, and the bottom end of the reactor being inserted into the inner side of the top of the protective block and the graphite sand mold; a transverse guide groove is opened on the side of the graphite sand mold and the protective block, and an aluminum partition plate 1 is installed inside the guide groove; an aluminum partition plate 2 is installed at the circular hole at the bottom end of the conical structure at the bottom of the reactor, a vertical guide pipe is arranged so that its bottom passes through the aluminum partition plate 2 and its bottom end is at the inner top of the graphite sand mold, and the top of the guide pipe passes through the cover plate of the reactor.

2. The welding equipment for laying railway tracks according to claim 1, characterized in that: The shapes of the opposite sides of the two fixing blocks on the same driving screw rod match the side shape of the rail body; the shapes of the side of the protection block and the graphite sand mold close to the rail body match the side shape of the rail body.

3. The welding equipment for laying railway tracks according to claim 1, characterized in that: The two ends of the driving screw are smooth rods. At the end of the driving screw extending out of the adjusting and measuring plate, the upper and lower driving screws at the same end in the longitudinal direction are rotatably mounted on the traction plate. A bearing seat is installed on the outer side of the vertical surface of the adjusting and measuring plate, and a traction screw is rotatably mounted on the bearing seat. The outer peripheries of the two ends of the traction screw in the longitudinal direction are provided with threads and are connected to the middle part of the traction plate to drive the traction plate to make quantitative movements close or apart.

4. The welding equipment for laying railway tracks according to claim 1, characterized in that: The transverse cross section of the adjusting and measuring plate is L-shaped, with the flat surface part at the top and the vertical surface part at the bottom.

5. The welding equipment for laying railway tracks according to claim 4, characterized in that: A guide slot is longitudinally provided on the plane part of the adjusting measuring plate, a guide slider 1 is slidably installed in the guide slot, a guide plate is transversely arranged so that it slides in the guide slot through the guide slider 1, and a support frame is fixedly installed side by side with the guide plate.

6. The welding equipment for laying railway tracks according to claim 5, characterized in that: It also includes two movable plates arranged in the transverse direction, a guide slide block 2 is slidably installed in the guide slide groove, and the movable plate can slide longitudinally relative to the adjustment measuring plate through the guide slide block 2; the inner ends of the two movable plates are respectively fixed to the outer side of a protective block.

7. The welding equipment for laying railway tracks according to any one of claims 1 to 6, characterized in that: A positioning plate 1 with a groove on the top is respectively arranged at both ends of one of the protective blocks in the longitudinal direction, and a positioning plate 2 with a slot on the top is respectively arranged at both ends of the other protective block in the longitudinal direction corresponding to the positioning plate 1. A positioning rod is rotatably installed in the groove on the top of the positioning plate 1, and the positioning rod can pass through the slot on the top of the positioning plate 2. A nut is rotatably installed on the outer end of the positioning rod that passes through the slot on the top of the positioning plate 2.

8. The welding equipment for laying railway tracks according to claim 7, characterized in that: A round tube is connected outside the round hole to reach the graphite sand mold; a cover plate is installed on the top of the reactor, and rectangular grooves are arranged at intervals along the circumferential direction on the cover plate; a connecting plate is arranged inside the reactor, and a guide pipe is installed on the connecting plate, and the top of the guide pipe passes through the cover plate.

9. The welding equipment for laying railway tracks according to claim 8, characterized in that: A protective cover is coaxially installed on the outer periphery of the reaction furnace, an annular water storage space is formed between the protective cover and the reaction furnace, and the top of the protective cover is higher than the cover plate.

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