Steel rail welding seam electromagnetic induction normalizing device
By designing an electromagnetic induction normalizing device for rail welds including flatbed trucks, columns, brackets, auxiliary support devices, suspension devices and induction heaters, the problem of inconvenience in use of existing devices in underground tunnels or above-ground long rail projects is solved, and rapid and stable normalizing treatment of rail welds is achieved.
Patent Information
- Application Number
- CN202420649223.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-05-02
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing electromagnetic induction heating device for rail welds is not suitable for underground tunnels or above-ground long rail projects. The rails need to be replaced frequently and quickly moved during heating, which is inconvenient to use.
An electromagnetic induction normalizing device for rail welds including flatbed trucks, columns, brackets, auxiliary support devices, suspension devices and induction heaters is designed. The device moves on the track through the rollers of the flatbed car, and the columns and brackets provide stable support. The suspension device realizes flexible lifting and lowering of the induction heater to adapt to different environments and rail heights.
It realizes rapid and stable normalization of rail welds in different working environments, improves the convenience and efficiency of operation, and is suitable for project sites for underground tunnels and above-ground long rails.
Smart Images

Figure CN222821605U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of heat treatment of metal materials, in particular to an electromagnetic induction normalizing device for a rail weld. Background Art
[0002] Nowadays, seamless rails are being laid more and more widely. Most of them are formed by welding and heat treating short rails. Normalizing after welding is an indispensable part. However, since seamless rails need to be normalized on site, current equipment is not suitable for some special working environments, such as tunnels, platforms, etc.
[0003] Chinese utility model patent disclosure CN111331041A discloses a split-and-joint contour-profiling electromagnetic induction heating device, which includes a mobile cart, a left box assembly, a right box assembly, a cooling water tank and an induction power supply. The split-and-joint gear-connected contour-profiling electromagnetic induction heating devices are interlaced with each other to facilitate full heating and more uniform surface temperature. Two left and right boxes are provided, and the heating position is not restricted. A ball screw transmission device is provided to change the height in the direction vertical to the ground, which can be suitable for rail tracks of different heights in different factories.
[0004] However, this device is not suitable for heating of underground tunnels or long ground rails in project sites. During on-site operation, it is not only necessary to switch back and forth between the two rails at any time, but also requires fast movement and stable support devices, which is very inconvenient to use. Utility Model Content
[0005] The utility model aims to overcome the deficiencies of the prior art and provides an electromagnetic induction normalizing device for rail welds, comprising a flatbed car with rollers at the bottom and capable of moving on a track, the flatbed car being provided with a top plate and a bottom plate, and at least one side facing the track movement direction being an open structure, a cooling water tank and a power supply being provided in the flatbed car; a column connected to the bottom of the top plate of the flatbed car, the column being provided with an upper plate shaft and a lower plate shaft; a bracket, the bracket comprising a telescopic rod, one end of the fixed side of the telescopic rod being connected to the lower plate shaft of the column, the telescopic rod being provided with a cantilever rod, one end of the cantilever rod being connected to the telescopic rod, and the other end being connected to the upper plate shaft of the column; an auxiliary supporting device being connected to the bottom of the front end of the fixed side of the telescopic rod of the bracket; an intermediate frequency generator being connected to one end of the movable side of the telescopic rod of the bracket through a suspension device, a second handle being provided at the top of the intermediate frequency generator; an induction heater, one end of the induction heater being cooperatively connected to a mating assembly of the intermediate frequency generator.
[0006] Preferably, the bracket of the utility model includes a cantilever rod, a telescopic rod, an auxiliary hook and a locking ball. One end of the cantilever rod is fixedly connected to the telescopic rod, and the other end is connected to the upper plate axis. The auxiliary hook is fixedly connected to the telescopic rod and is located in the lower middle part of the telescopic rod. The locking ball is fixedly connected to the telescopic rod and is located in the front part of the telescopic rod.
[0007] Preferably, the auxiliary support device of the utility model is composed of a rotating hub and support legs. The rotating hub is fixedly connected to the telescopic rod. The rotating hub is a rectangular parallelepiped with a wide cross-shaped concave in the middle and a spherical concave surface inside. Two support legs are provided and fixedly connected to the lower part of the rotating hub.
[0008] Preferably, the suspension device of the utility model includes a first handle, a rectangular frame, a rotating roller, a hook and a steel wire rope. The first handle is fixedly connected to the rectangular frame and is located in the middle of the rectangular frame. The rectangular frame is a rectangular hollow structure, which is placed at the front end of the telescopic rod and is slidably connected to it. The rotating roller is located at the lower part of the rectangular frame and is wound with a steel wire rope. The other end of the steel wire rope is connected to the hook.
[0009] Preferably, the column of the utility model is also provided with a lighting lamp, and the lighting lamp is fixedly connected to the column via a connecting plate.
[0010] Preferably, the induction heater of the utility model is suspended in the air and sleeved on the weld of the rail.
[0011] Preferably, the induction heater of the utility model comprises a left heating rod, a right heating rod, a connecting rod, a first hose and a second hose, the left heating rod comprises a connecting plate and a water outlet, the right heating rod comprises a water inlet, an upper connecting plate, a lower connecting plate and a water outlet, the connecting rod comprises a connecting plate, the left heating rod and the right heating rod are fastened by bolts, wherein the left connecting plate is connected to the lower connecting plate, the upper connecting plate is connected to the connecting plate, a U-shaped channel is provided inside the left heating rod and the right heating rod, the left heating rod is an open U-shaped tube, the right heating rod is a closed U-shaped tube, a water outlet channel is provided inside the connecting rod, the connecting plate and the lower connecting plate are rectangular, and two bolt holes are provided on both sides of the central axis of the plate, the upper connecting plate and the connecting plate are rectangular, and two bolt holes are provided on one side of the plate.
[0012] Compared with the prior art, the utility model has the following advantages:
[0013] 1. The utility model designs a column on the flatbed car, which serves as a base column to provide a support point for the supporting device, so as to realize the left and right rotation of the supporting device, so as to facilitate the normalizing device to work alternately between the two rails.
[0014] 2. The utility model designs a front outrigger, which is divided into multiple levels and can adjust the height of the left and right outriggers to cope with uneven roads, mainly improving the stability of the supporting device.
[0015] 3. The utility model designs a movable suspension device, which can realize the raising and lowering of the induction heater coil.
[0016] 4. The utility model designs a new electromagnetic induction coil of an induction heater. The coil is divided into three parts and is easy to disassemble and assemble. At the same time, the heat dissipation performance and sealing performance of the coil are guaranteed. The cost is low and the economic prospect is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a stereogram of the device of the utility model;
[0018] Figure 2 It is a three-dimensional diagram of the flatbed truck frame and column structure;
[0019] Figure 3 It is a front view of the flatbed truck frame and column structure;
[0020] Figure 4 It is a side view of the flatbed truck frame and column structure;
[0021] Figure 5 It is a three-dimensional diagram of the support structure;
[0022] Figure 6 is a side view of the support structure;
[0023] Figure 7 is a front view of the support structure;
[0024] Figure 8 is a three-dimensional diagram of the auxiliary support structure;
[0025] Fig. 9 It is a three-dimensional diagram of the rotating hub structure;
[0026] Fig.10 It is a three-dimensional diagram of the supporting leg structure;
[0027] Fig.11 is a front view of the auxiliary support structure;
[0028] Fig.12 It is a three-dimensional diagram of the suspension structure;
[0029] Fig.13 It is a front view of the suspension structure;
[0030] Fig.14 It is a three-dimensional diagram of the hook;
[0031] Fig.15 It is a stereogram of the induction heater, medium frequency generator and pipeline;
[0032] Fig.16 It is a schematic diagram of the working process of the utility model device;
[0033] Fig.17 It is a stereogram of the left side of the induction heater;
[0034] Fig.18It is the front view of the induction heater;
[0035] Fig.19 It is a stereogram of the right side of the induction heater;
[0036] Fig. 20 It is the left side view of the induction heater;
[0037] Fig.21 It is a schematic diagram of a water flow loop in a U-tube, a first hose and a second hose in an induction heater.
[0038] In the figure: 1 flatbed car; 1.1 top plate; 1.2 bottom plate; 1.3 cooling refrigerator; 1.4 power supply; 2 upright column; 2.1 upper plate shaft; 2.2 lower plate shaft; 2.3 lighting lamp; 3 bracket; 3.1 telescopic rod; 3.2 cantilever rod; 3.3 auxiliary hook; 3.4 locking ball; 4 auxiliary support; 4.1 rotating hub; 4.2 supporting leg; 4.3 middle cross wide concave; 4.4 inner spherical concave surface; 5 intermediate frequency generator; 5.1 suspension device; 5.2 first handle; 5.3 rectangular frame; 5.4 rotating roller wheel; 5.5 hook; 5.6 wire rope; 6 induction heater; 6.1 left heating rod; 6.2 right heating rod; 6.3 connecting rod; 6.4 first hose; 6.5 second hose; 6.6 left connecting plate; 6.7 water outlet; 6.8 upper connecting plate; 6.9 lower connecting plate; 6.10 open U-shaped tube; 6.11 closed U-shaped tube; 6.12 water outlet channel; 6.13 connecting plate; 6.14 second handle; 6.15 water inlet; 7 track; 8 water inlet; 8.1 water outlet; 8.2 pipe. DETAILED DESCRIPTION
[0039] The utility model is further described below in conjunction with specific embodiments.
[0040] Embodiment 1:
[0041] The utility model provides a rail weld electromagnetic induction normalizing device, comprising a flatbed car 1 with rollers at the bottom and capable of moving on a track, the flatbed car 1 being provided with a top plate 1.1 and a bottom plate 1.2, and at least one side facing the moving direction of the track 7 being an open structure, a cooling water tank 1.3 and a power supply 1.4 being provided in the flatbed car 1; a column 2 connected to the bottom of the top plate 1.1 of the flatbed car 1, the column 2 being provided with an upper plate shaft 2.1 and a lower plate shaft 2.2; a bracket 3, the bracket 3 comprising a telescopic rod 3.1, one end of the fixed side of the telescopic rod 3.1 A lower plate shaft 2.2 connected to the column, a cantilever rod 3.2 is provided on the telescopic rod 3.1, one end of the cantilever rod 3.2 is connected to the telescopic rod 3.1, and the other end is connected to the upper plate shaft 2.1 of the column; an auxiliary supporting device 4 is connected to the bottom of the front end of the fixed side of the telescopic rod 3.1 of the bracket 3; an intermediate frequency generator 5 is connected to one end of the movable side of the telescopic rod 3.1 of the bracket 3 through a suspension device 5.1, and a second handle 6.14 is provided on the top of the intermediate frequency generator 5; an induction heater 6, one end of the induction heater 6 is cooperatively connected to the intermediate frequency generator interlocking component.
[0042] The bracket 3 includes a cantilever rod 3.2, a telescopic rod 3.1, an auxiliary hook 3.3 and a locking ball 3.4. One end of the cantilever rod 3.2 is fixedly connected to the telescopic rod 3.1, and the other end is connected to the upper plate shaft 2.1. The auxiliary hook 3.3 is fixedly connected to the telescopic rod 3.1 and is located in the lower middle part of the telescopic rod 3.1. The locking ball 3.4 is fixedly connected to the telescopic rod 3.1 and is located in the front part of the telescopic rod 3.1.
[0043] The auxiliary support device 4 is composed of a rotating hub 4.1 and supporting legs 4.2. The rotating hub 4.1 is fixedly connected to the telescopic rod 3.1. The rotating hub 4.1 is a rectangular parallelepiped, and a cross-shaped wide concave 4.3 in the middle is provided with a spherical concave surface 4.4 inside. The supporting legs 4.2 are provided with two legs, which are fixedly connected to the lower part of the rotating hub 4.1.
[0044] The suspension device 5.1 includes a first handle 5.2, a rectangular frame 5.3, a rotating roller 5.4, a hook 5.5 and a steel wire rope 5.6. The first handle 5.2 is fixedly connected to the rectangular frame 5.3 and is located in the middle of the rectangular frame 5.3. The rectangular frame 5.3 is a rectangular hollow structure, which is placed at the front end of the telescopic rod 3.1 and is slidably connected thereto. The rotating roller 5.4 is located at the lower part of the rectangular frame 5.3, on which the steel wire rope 5.6 is wound, and the other end of the steel wire rope 5.6 is connected to the hook 5.5.
[0045] The column 2 is also provided with an illumination lamp 2.3, and the illumination lamp 2.3 is fixedly connected to the column 2 via a connecting plate.
[0046] The induction heater 6 is suspended in the air and is sleeved on the rail weld.
[0047] The induction heater 6 comprises a left heating rod 6.1, a right heating rod 6.2, a connecting rod, a first hose and a second hose. The left heating rod 6.1 comprises a left connecting plate 6.6 and a water outlet 6.7. The right heating rod 6.2 comprises a water inlet 6.15, an upper connecting plate 6.8, a lower connecting plate 6.9 and a water outlet. The connecting rod comprises a connecting plate 6.13. The left heating rod 6.1 and the right heating rod 6.2 are fastened by bolts, wherein the left connecting plate 6.6 is connected to the lower connecting plate 6.9, and the upper connecting plate 6.6 is connected to the lower connecting plate 6.9. .8 is connected to the connecting plate 6.13, the left heating rod 6.1 and the right heating rod 6.2 are provided with U-shaped channels inside, the left heating rod 6.1 is an open U-shaped tube 6.10, the right heating rod 6.2 is a closed U-shaped tube 6.11, and a water outlet channel 6.12 is provided inside the connecting rod, the left connecting plate 6.6 and the lower connecting plate 6.9 are rectangular, and two bolt holes are provided on both sides of the central axis of the plate, the upper connecting plate 6.8 and the connecting plate 6.13 are rectangular, and two bolt holes are provided on one side of the plate.
[0048] The above is only a specific implementation method of this utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field within the technical scope disclosed by the utility model, according to the technical solution and new concept of the utility model, shall be covered by the protection scope of the utility model.
Claims
1. A rail weld electromagnetic induction normalizing device, characterized in that include A flatbed car is provided with rollers at the bottom and can move on the track. The flatbed car is provided with a top plate and a bottom plate, and at least one side facing the track movement direction is an open structure. A cooling water tank and a power supply are provided in the flatbed car; A column connected to the bottom of the flatbed roof, wherein an upper plate shaft and a lower plate shaft are provided on the column; The bracket comprises a telescopic rod, one end of the fixed side of the telescopic rod is connected to the lower plate shaft of the column, a cantilever rod is provided on the telescopic rod, one end of the cantilever rod is connected to the telescopic rod, and the other end is connected to the upper plate shaft of the column; An auxiliary support device connected to the bottom of the front end of the fixed side of the telescopic rod of the bracket; An intermediate frequency generator is connected to one end of the movable side of the telescopic rod of the bracket through a suspension device, and a second handle is provided on the top of the intermediate frequency generator; An induction heater, one end of which is cooperatively connected with the intermediate frequency generator interlocking component.
2. The electromagnetic induction normalizing device for rail welds according to claim 1, characterized in that The bracket includes a cantilever rod, a telescopic rod, an auxiliary hook and a locking ball. One end of the cantilever rod is fixedly connected to the telescopic rod, and the other end is connected to the upper plate shaft. The auxiliary hook is fixedly connected to the telescopic rod and is located in the lower middle part of the telescopic rod. The locking ball is fixedly connected to the telescopic rod and is located in the front part of the telescopic rod.
3. The electromagnetic induction normalizing device for rail welds according to claim 1, characterized in that The auxiliary support device consists of a rotating hub and supporting legs. The rotating hub is fixedly connected to the telescopic rod. The rotating hub is a rectangular parallelepiped with a cross-shaped wide concave in the middle and a spherical concave surface inside. Two supporting legs are provided and fixedly connected to the lower part of the rotating hub.
4. The electromagnetic induction normalizing device for rail welds according to claim 1, characterized in that The suspension device includes a first handle, a rectangular frame, a rotating roller, a hook and a steel wire rope. The first handle is fixedly connected to the rectangular frame and is located in the middle of the rectangular frame. The rectangular frame is a rectangular hollow structure, which is placed at the front end of the telescopic rod and is slidably connected to it. The rotating roller is located at the lower part of the rectangular frame and is wound with a steel wire rope. The other end of the steel wire rope is connected to the hook.
5. The electromagnetic induction normalizing device for rail welds according to claim 1, characterized in that The column is also provided with an illumination lamp, which is fixedly connected to the column via a connecting plate.
6. The electromagnetic induction normalizing device for rail welds according to claim 1, characterized in that The induction heater is suspended in the air and sleeved on the weld of the rail.
7. The electromagnetic induction normalizing device for rail welds according to claim 1, characterized in that The induction heater includes a left heating rod, a right heating rod, a connecting rod, a first hose and a second hose, the left heating rod includes a connecting plate and a water outlet, the right heating rod includes a water inlet, an upper connecting plate, a lower connecting plate and a water outlet, the connecting rod includes a connecting plate, the left heating rod and the right heating rod are fastened by bolts, wherein the left connecting plate is connected to the lower connecting plate, the upper connecting plate is connected to the connecting plate, a U-shaped channel is provided inside the left heating rod and the right heating rod, the left heating rod is an open U-shaped tube, the right heating rod is a closed U-shaped tube, a water outlet channel is provided inside the connecting rod, the connecting plate and the lower connecting plate are rectangular, and two bolt holes are provided on both sides of the central axis of the plate, the upper connecting plate and the connecting plate are rectangular, and two bolt holes are provided on one side of the plate.
Citation Information
Cited By
Steel rail welding seam electromagnetic induction normalizing device and using method thereof
CN118207403A
Rail weld electromagnetic induction normalizing device and method of use thereof
CN118207403B
Steel rail weld joint electromagnetic induction normalizing device
WO2025209109A1