CN210755820U - Steel rail thermite welding equipment for large-gradient diamond turnout - Google Patents
Steel rail thermite welding equipment for large-gradient diamond turnout Download PDFInfo
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- CN210755820U CN210755820U CN201920930632.6U CN201920930632U CN210755820U CN 210755820 U CN210755820 U CN 210755820U CN 201920930632 U CN201920930632 U CN 201920930632U CN 210755820 U CN210755820 U CN 210755820U
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Abstract
The utility model discloses a steel rail thermite welding device for a large-gradient diamond turnout, relating to the field of steel rail maintenance equipment; the welding fixture comprises a connecting frame and two clamping devices, and the two clamping devices are symmetrically arranged below the connecting frame; the crucible mounting device comprises a mounting frame, a lifting device and a crucible mounting body, and the mounting frame is detachably mounted on the connecting frame; the mounting frame is provided with a lifting device, the moving end of the lifting device is fixedly connected with the crucible mounting body, the crucible mounting body is provided with a mounting groove, and a crucible is mounted in the mounting groove; the crucible is not required to be additionally fixed, so that the operation is simple, convenient and quick; the utility model discloses a screw rod makes the crucible installation body remove to place the crucible on the rail, do not need the people to lift the crucible, reduced intensity of labour.
Description
Technical Field
The utility model relates to a rail maintenance of equipment field specifically is a rail thermite welding equipment for heavy grade rhombus switch.
Background
At the end of the nineteenth century, with the development of the metallurgical and chemical industries, thermite welding was invented to weld steel rails. In the twentieth century, thermite welding was used abroad to weld electric car tracks, railways and subway lines. In the early sixties of the last century, China began to weld seamless rails on railways by thermite welding.
The crucible is directly placed on the steel rail in the traditional thermite welding, but the thermite reaction is violent reaction, the crucible directly placed on the steel rail needs to be fixed, and if the thermite reaction is not fixed, the crucible is easy to topple over in the working process; the working steps are complicated; traditional thermite welding's mould concatenation is with two moulds and rail laminating earlier, then fixing device such as reuse bolt is fixed it, and fixing device is demolishd after the welding, and the dismouting is troublesome, and work efficiency is low.
SUMMERY OF THE UTILITY MODEL
For the fixed loaded down with trivial details of the crucible of directly placing on the rail of solution, the operation is inconvenient, and traditional mould dismouting is troublesome, the low scheduling problem of work efficiency, the utility model designs a rail thermite welding equipment for heavy grade rhombus switch.
A steel rail thermite welding device for a large-gradient diamond turnout comprises a welding clamp and a crucible mounting device, wherein the welding clamp comprises a connecting frame and two clamping devices, and the two clamping devices are symmetrically arranged below the connecting frame; the crucible mounting device comprises a mounting frame, a lifting device and a crucible mounting body, and the mounting frame is detachably mounted on the connecting frame; install on the mounting bracket elevating gear, elevating gear's removal end with crucible installation body fixed connection, be equipped with the mounting groove on the crucible installation body, install the crucible in the mounting groove.
Preferably, the connecting frame is provided with a rectangle formed by four long-edge angle steels, and the four long-edge angle steels surround to form an accommodating groove; the mounting bracket includes upper bracket, bottom suspension strut and bracing piece, upper bracket with vertical connection has a plurality of between the bottom suspension strut the bracing piece, bracing piece symmetric distribution, the bottom suspension strut be the rectangle and can with the holding tank sliding connection of link.
Preferably, elevating gear includes carousel, initiative screw rod, driven screw rod and transmission, the initiative screw rod with the driven screw rod symmetry is installed on the mounting bracket, the initiative screw rod with the bottom of driven screw rod is all rotated on the under bracing frame, the initiative screw rod with the top of driven screw rod is rotated and is installed on the upper bracing frame and is worn out the upper bracing frame, the top fixedly connected with of initiative screw rod the carousel, install on the mounting bracket transmission, the initiative screw rod passes through transmission with driven screw rod threaded connection, the initiative screw rod with equal threaded connection has the nut slider on the driven screw rod, the nut slider all with crucible installation body fixed connection.
Preferably, transmission includes first sprocket mechanism, second sprocket mechanism and third sprocket mechanism, the action wheel of first sprocket mechanism with initiative screw rod coaxial coupling, the driven round of rotation of first sprocket mechanism is installed on the upper bracket frame, the action wheel of second sprocket mechanism with the driven round of coaxial coupling of the follow driving wheel of first sprocket mechanism, the driven round of rotation of the follow driving wheel of second sprocket mechanism is installed on the upper bracket frame, the action wheel of third sprocket mechanism with the follow driving wheel coaxial coupling of second sprocket mechanism, the follow driving wheel of third sprocket mechanism with driven screw rod coaxial coupling.
Preferably, a through groove for passing through a discharge hole at the bottom of the crucible is arranged at the bottom of the mounting groove of the crucible mounting body.
Preferably, the clamping device comprises support columns, a mounting plate, angle steel, a threaded rod, a movable plate and a mold, four support columns are vertically connected below one end of the connecting frame, the mounting plate is fixedly connected between two support columns on the outer side, horizontally arranged angle steel is symmetrically and fixedly connected to four corners on the front side of the mounting plate, the angle steel is fixedly connected with the corresponding inner support columns, the four angle steel surround to form a sliding chute, the movable plate is connected in the sliding chute in a sliding mode, one end of the threaded rod is rotatably connected with the back side of the movable plate, the other end of the threaded rod penetrates through the mounting plate and is fixedly connected with a rotating disc, and the mounting plate is; the front surface of the moving plate is connected with the die.
Compared with the prior art, the utility model has the advantages of:
1. the crucible installation device is connected with the welding fixture, the crucible is well fixed on the horizontal plane after the welding fixture is fixed, the crucible is placed on the steel rail through the lifting device, and the lifting device fixes the crucible without additionally fixing the crucible, so that the operation is simple, convenient and fast;
2. the utility model moves the crucible mounting body through the screw rod, thereby placing the crucible on the steel rail without lifting the crucible by people, and reducing the labor intensity;
3. the lower support frame and the holding tank of the utility model are connected in a sliding way, so that the installation is convenient;
4. the utility model discloses a welding jig both can realize quick installation mould, can realize fixing, easy dismounting through the auto-lock of screw thread again.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a crucible mounting device according to the present invention;
FIG. 3 is a schematic view of the welding jig of the present invention;
FIG. 4 is a schematic view of the crucible installation of the present invention;
fig. 5 is a schematic view of the crucible mounting body of the present invention.
The device comprises a welding clamp 1, a crucible mounting device 2, a connecting frame 3, a clamping device 4, a mounting frame 5, a lifting device 6, a crucible mounting body 7, an upper support frame 8, a lower support frame 9, a support rod 10, a turntable 11, a driving screw 12, a driven screw 13, a transmission device 14, a nut slider 15, a support column 16, a mounting plate 17, angle steel 18, a threaded rod 19, a moving plate 20 and a mold 21.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the accompanying drawings and the detailed description.
Examples
As shown in fig. 1 to 5, the steel rail thermite welding device for the large-gradient diamond turnout comprises a welding clamp 1 and a crucible installation device 2, wherein the welding clamp 1 comprises a connecting frame 3 and two clamping devices 4, and the two clamping devices 4 are symmetrically arranged below the connecting frame 3; the crucible mounting device 2 comprises a mounting frame 5, a lifting device 6 and a crucible mounting body 7, wherein the mounting frame 5 is detachably mounted on the connecting frame 3; install on the mounting bracket 5 elevating gear 6, elevating gear 6 remove the end with 7 fixed connection of crucible installation body, be equipped with the mounting groove on the crucible installation body 7, install the crucible in the mounting groove.
The connecting frame 3 is provided with a rectangle formed by four long-side angle steels 18, and the four long-side angle steels 18 enclose an accommodating groove; the mounting bracket 5 comprises an upper support frame 8, a lower support frame 9 and a support rod 10, the upper support frame 8 and the lower support frame 9 are vertically connected with a plurality of the support rod 10, the support rod 10 is symmetrically distributed, and the lower support frame 9 is rectangular and can be connected with the holding groove of the connecting frame 3 in a sliding mode.
Transmission 14 includes first sprocket mechanism, second sprocket mechanism and third sprocket mechanism, first sprocket mechanism's action wheel with initiative screw 12 coaxial coupling, first sprocket mechanism's driven round of rotation is installed on upper bracket 8, second sprocket mechanism's action wheel with first sprocket mechanism's follow driving wheel coaxial coupling, second sprocket mechanism's follow driving wheel rotation is installed on upper bracket 8, third sprocket mechanism's action wheel with second sprocket mechanism's follow driving wheel coaxial coupling, third sprocket mechanism's follow driving wheel with driven screw 13 coaxial coupling.
The bottom of the mounting groove of the crucible mounting body 7 is provided with a through groove for passing through the discharge hole at the bottom of the crucible.
The clamping device 4 comprises supporting columns 16, a mounting plate 17, angle steel 18, a threaded rod 19, a moving plate 20 and a mold 21, four supporting columns 16 are vertically connected below one end of the connecting frame 3, the mounting plate 17 is fixedly connected between two supporting columns 16 on the outer side, the horizontally arranged angle steel 18 is symmetrically and fixedly connected with four corners on the front surface of the mounting plate 17, the angle steel 18 is fixedly connected with the corresponding inner supporting column 16, the four angle steel 18 form a sliding groove in a surrounding manner, the moving plate 20 is connected in the sliding groove in a sliding manner, one end of the threaded rod 19 is rotatably connected with the back surface of the moving plate 20, the other end of the threaded rod passes through the mounting plate 17 and is fixedly connected with a rotating disc, and the mounting; the mold 21 is connected to the front surface of the moving plate 20.
In this embodiment, vertical guide pillars are symmetrically disposed at four corners of the connecting frame 3, and the bottom end of the corresponding support rod 10 of the mounting frame 5 is provided with a slot which is in insertion fit with the guide pillars.
The working process and principle are as follows: firstly, the welding fixture 1 is placed at a position to be welded, and the two clamping devices 4 are positioned at two sides of a steel rail, so that the two dies 21 are aligned with the side surface of the steel rail; then the rotating disc is rotated to drive the threaded rod 19 to rotate, so that the moving plate 20 is driven to move, the clamp is pushed to the steel rail, the dies 21 are attached to the steel rail, and the dies 21 on the two sides clamp the steel rail under the action of the threads; then, the crucible installation device 2 is placed on the welding fixture 1, so that the guide pillars on the connecting frame 3 are inserted into the slots of the support rods 10, the lower support frame 9 is installed in the holding tank, then the rotary table 11 is rotated, the driving screw 12 is rotated, the driven screw 13 is driven to rotate through the transmission device 14, the nut slider 15 is moved along the driving screw 12, the crucible installation body 7 drives the crucible to move downwards onto the mold 21, the crucible discharge port is aligned with the pouring gate of the mold 21, and then the thermite is ignited for welding.
Basically, the crucible is directly placed on the steel rail in the traditional thermite welding, but the thermite reaction is a violent reaction, the crucible directly placed on the steel rail needs to be fixed, and if not, the crucible is easy to topple over in the working process; the working steps are complicated; the traditional aluminothermic welding mold 21 is spliced by firstly attaching two molds 21 to a steel rail and then fixing the two molds by using fixing devices such as bolts, and after welding, the fixing devices are detached, so that the assembly and disassembly are troublesome and the working efficiency is low.
The utility model discloses be connected crucible installation device 2 with welding jig 1, just after welding jig 1 is fixed, the crucible is fixed well in the horizontal plane too, and then place the crucible on the rail through elevating gear 6, and elevating gear 6 self also fixes the crucible simultaneously, need not carry out extra fixed again to the crucible, easy operation, convenient and fast; the utility model moves the crucible installation body 7 through the screw rod, thereby placing the crucible on the steel rail without lifting the crucible by people, and reducing the labor intensity; the lower support frame 9 of the utility model is connected with the holding tank in a sliding way, so that the installation is convenient; the utility model discloses a welding jig 1 both can realize quick installation mould 21, can realize fixing, easy dismounting through the auto-lock of screw thread again.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A steel rail thermite welding device for a large-gradient diamond turnout is characterized by comprising a welding clamp (1) and a crucible mounting device (2), wherein the welding clamp (1) comprises a connecting frame (3) and two clamping devices (4), and the two clamping devices (4) are symmetrically arranged below the connecting frame (3); the crucible mounting device (2) comprises a mounting frame (5), a lifting device (6) and a crucible mounting body (7), and the mounting frame (5) is detachably mounted on the connecting frame (3); install on mounting bracket (5) elevating gear (6), elevating gear's (6) removal end with crucible installation body (7) fixed connection, be equipped with the mounting groove on crucible installation body (7), install the crucible in the mounting groove.
2. A rail thermite welding plant for diamond-shaped points with large gradients, according to claim 1, characterized in that said connecting frame (3) has a rectangular shape with four long angles (18), said four long angles (18) enclosing a housing groove; mounting bracket (5) include upper bracket (8), under bracing frame (9) and bracing piece (10), upper bracket (8) with the vertical a plurality of that is connected with between under bracing frame (9) bracing piece (10), bracing piece (10) symmetric distribution, under bracing frame (9) be the rectangle and can with the holding tank sliding connection of link (3).
3. The device for thermite welding of steel rails for large-gradient diamond turnout junction according to claim 2, wherein the lifting device (6) comprises a rotary table (11), a driving screw (12), a driven screw (13) and a transmission device (14), the driving screw (12) and the driven screw (13) are symmetrically installed on the mounting frame (5), the bottom ends of the driving screw (12) and the driven screw (13) are both rotated on the lower support frame (9), the top ends of the driving screw (12) and the driven screw (13) are rotatably installed on the upper support frame (8) and penetrate out of the upper support frame (8), the rotary table (11) is fixedly connected to the top end of the driving screw (12), the transmission device (14) is installed on the mounting frame (5), and the driving screw (12) is in threaded connection with the driven screw (13) through the transmission device (14), the driving screw (12) and the driven screw (13) are both in threaded connection with nut sliding blocks (15), and the nut sliding blocks (15) are both fixedly connected with the crucible mounting body (7).
4. A rail thermite welding apparatus for a large-gradient diamond turnout as claimed in claim 3, wherein said transmission means (14) comprises a first sprocket mechanism, a second sprocket mechanism and a third sprocket mechanism, wherein the driving wheel of said first sprocket mechanism is coaxially connected with said driving screw (12), the driven wheel of said first sprocket mechanism is rotatably mounted on said upper support frame (8), the driving wheel of said second sprocket mechanism is coaxially connected with the driven wheel of said first sprocket mechanism, the driven wheel of said second sprocket mechanism is rotatably mounted on said upper support frame (8), the driving wheel of said third sprocket mechanism is coaxially connected with the driven wheel of said second sprocket mechanism, and the driven wheel of said third sprocket mechanism is coaxially connected with said driven screw (13).
5. A rail thermite welding apparatus for large-gradient diamond turnout as claimed in claim 1, wherein the bottom of the mounting groove of the crucible mounting body (7) is provided with a through slot for passing through the discharge hole of the bottom of the crucible.
6. The steel rail thermite welding equipment for the large-gradient diamond turnout in accordance with claim 1, wherein the clamping device (4) comprises supporting columns (16), a mounting plate (17), angle steels (18), a threaded rod (19), a moving plate (20) and a mold (21), four supporting columns (16) are vertically connected below one end of the connecting frame (3), the mounting plate (17) is fixedly connected between two supporting columns (16) at the outer side, horizontally arranged angle steels (18) are symmetrically and fixedly connected to four corners of the front surface of the mounting plate (17), the angle steels (18) are fixedly connected with corresponding inner supporting columns (16), the four angle steels (18) surround a sliding groove, the moving plate (20) is slidably connected in the sliding groove, one end of the threaded rod (19) is rotatably connected with the back surface of the moving plate (20), the other end of the connecting rod penetrates through the mounting plate (17) and is fixedly connected with a rotating disc, and the mounting plate (17) is in threaded connection with the threaded rod (19); the front surface of the moving plate (20) is connected with the die (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930632.6U CN210755820U (en) | 2019-06-20 | 2019-06-20 | Steel rail thermite welding equipment for large-gradient diamond turnout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930632.6U CN210755820U (en) | 2019-06-20 | 2019-06-20 | Steel rail thermite welding equipment for large-gradient diamond turnout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210755820U true CN210755820U (en) | 2020-06-16 |
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ID=71032990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920930632.6U Active CN210755820U (en) | 2019-06-20 | 2019-06-20 | Steel rail thermite welding equipment for large-gradient diamond turnout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210755820U (en) |
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2019
- 2019-06-20 CN CN201920930632.6U patent/CN210755820U/en active Active
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