Middle trough welding preheating device

Abstract

The middle trough welding preheating device comprises a bottom plate, a linear motor is fixed to the upper surface of the bottom plate, a vertical plate is fixedly installed on the upper surface of the moving end of the linear motor, the middle of the vertical plate is rotationally connected with a transverse shaft through a bearing, and an L-shaped plate is fixed to the other end of the transverse shaft; an electric telescopic rod is fixedly connected to the upper surface of the bottom of the L-shaped plate, a square pipe is fixedly connected to the telescopic end of the top of the electric telescopic rod, and two sliding sleeves are slidably connected to the surface of the square pipe. According to the heating device, the bottom plate, the linear motor, the first motor, the electric telescopic rod, the square pipe, the two flame guns and the flame gathering assembly are arranged, when the two flame guns are used for heating the middle trough, flames sprayed out of the flame guns can be gathered through the flame gathering assembly, and therefore the heating efficiency is improved; the flame gun and the fire gathering assembly can be driven to lift, so that the flame gun and the fire gathering assembly approach the lower surface of the middle groove to the greatest extent, and the heating efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to middle trough welding technical field especially relates to a middle trough welding preheating device. BACKGROUND

[0002] The middle trough is mainly used for the coal mine underground scraper conveyor and the transfer machine, and the middle trough is generally a large thick plate structural member, in order to reduce the hardening tendency when welding, prevent welding crack, adopt the preheating process before welding. One of the preheating modes commonly used before welding is that a worker uses a flame gun to preheat, and the welding area of the part is preheated to the required temperature.

[0003] Through the retrieval, the patent with the publication number CN210549008U discloses a kind of middle trough welding preheating device, it is preheated to middle trough from the lower surface of middle trough by two preheating guns, walking frame, rotating arm and crossbeam being driven by walking frame. But when using the device, since preheating gun is fixed on crossbeam, the distance between two preheating guns cannot be adjusted, and the flexibility is not high when heating for different sizes of middle trough;Secondly, the height of preheating gun cannot be adjusted, cannot guarantee that preheating gun is closest to middle trough to the maximum extent, and the flame spouted by preheating gun can be dispersed to all around on the lower surface of middle trough, and the efficiency of heating is relatively low. Therefore, further improvement is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art and provides a kind of middle trough welding preheating device.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of middle trough welding preheating device, including bottom plate, the upper surface of the bottom plate is fixed with linear motor, and the upper surface of the moving end of linear motor is fixedly installed with vertical plate, the middle part of the vertical plate is rotatably connected with cross shaft by bearing, and the other end of cross shaft is fixed with L-shaped plate, the bottom upper surface of L-shaped plate is fixedly connected with electric telescopic rod, the top telescopic end of electric telescopic rod is fixedly connected with square tube, two slide sleeves are slidably connected on the surface of square tube, two slide sleeves are slidably connected on the surface of square tube, and the outer wall of two slide sleeves is fixed with flame gun, the top surface of the flame gun is equipped with fire gathering assembly, and the inside of square tube is equipped with adjusting assembly for driving two slide sleeves to move synchronously.

[0006] Further, the bottom plate side is equipped with a plurality of mounting holes.

[0007] Further, the vertical plate is fixedly installed with first motor on the side away from L-shaped plate, and the output end of first motor is fixedly connected with cross shaft connected with vertical plate.

[0008] Further, the adjusting assembly comprises two sliding blocks arranged in the square tube and a bidirectional screw rod, the two sliding blocks are slidably connected with the inner wall of the square tube, the two ends of the bidirectional screw rod are rotatably connected with the inner wall of the square tube through bearings, the bidirectional screw rod penetrates through the two sliding blocks and is threadedly connected with the two sliding blocks, a slide rod is fixed to the top end of each sliding block, and a strip-shaped opening is formed in the top wall of the square tube, and the two slide rods are fixedly connected with the inner walls of two slide sleeves through the strip-shaped opening.

[0009] Further, the adjusting assembly comprises two sliding blocks arranged in the square tube and a bidirectional screw rod, the two sliding blocks are slidably connected with the inner wall of the square tube, the two ends of the bidirectional screw rod are rotatably connected with the inner wall of the square tube through bearings, the bidirectional screw rod penetrates through the two sliding blocks and is threadedly connected with the two sliding blocks, a slide rod is fixed to the top end of each sliding block, and a strip-shaped opening is formed in the top wall of the square tube, and the two slide rods are fixedly connected with the inner walls of two slide sleeves through the strip-shaped opening.

[0010] Further, the adjusting assembly comprises two sliding blocks arranged in the square tube and a bidirectional screw rod, the two sliding blocks are slidably connected with the inner wall of the square tube, the two ends of the bidirectional screw rod are rotatably connected with the inner wall of the square tube through bearings, the bidirectional screw rod penetrates through the two sliding blocks and is threadedly connected with the two sliding blocks, a slide rod is fixed to the top end of each sliding block, and a strip-shaped opening is formed in the top wall of the square tube, and the two slide rods are fixedly connected with the inner walls of two slide sleeves through the strip-shaped opening.

[0011] The beneficial effects of the present application are as follows:

[0012] 1. In use, the middle groove welding preheating device is provided with a bottom plate, a linear motor, a first motor, an electric telescopic rod, a square tube, two flame guns and a flame gathering assembly, when the two flame guns heat the middle groove, the flame guns can be gathered by the flame gathering assembly, thereby improving the heating efficiency, and the square tube can be lifted by the electric telescopic rod, so that the flame guns and the flame gathering assembly can be lifted, the flame guns and the flame gathering assembly can be closest to the lower surface of the middle groove, and the heating efficiency is further improved.

[0013] 2. In use, the middle groove welding preheating device is provided with a servo motor, a bidirectional screw rod, two sliding blocks and two slide sleeves, after the servo motor drives the screw rod to rotate, the two sliding blocks and the two slide sleeves can be brought close to or away from each other, thereby the two flame guns can be brought close to or away from each other, the distance between the two flame guns can be adjusted, and the flexibility of the preheating device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed to be used in the specific implementation manner. Obviously, the drawings described in the following are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without any creative labor.

[0015] Figure 1 The overall perspective view of the present application;

[0016] Figure 2 The overall front view of the present application;

[0017] Figure 3 The utility model discloses Figure 2 The enlarged view of A in the middle part;

[0018] Figure 4 The utility model discloses Figure 2 The enlarged view of B in the middle part.

[0019] The signs are as follows:

[0020] 1, bottom plate;2, linear motor;3, vertical plate;4, L-shaped plate;5, first motor;6, electric telescopic rod;7, square tube;8, sliding sleeve;9, flame gun;10, servo motor;11, bidirectional screw;12, sliding block;13, slide bar;14, strip-shaped port;15, fire gathering assembly;151, sliding plate;152, fixed plate;153, metal cover;154, spring. Specific implementation

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] As Figures 1-4 Indicated, relate to a kind of middle part groove welding preheating device, including bottom plate 1, bottom plate 1 upper surface is fixed with linear motor 2, and linear motor 2 mobile end upper surface is fixedly installed with vertical plate 3, vertical plate 3 middle part is rotatably connected with cross shaft through bearing, and another end of cross shaft is fixed with L-shaped plate 4, and L-shaped plate 4 bottom upper surface is fixedly connected with electric telescopic rod 6, and electric telescopic rod 6 top telescopic end is fixedly connected with square tube 7, two sliding sleeves 8 are slidably connected on the surface of square tube 7, two sliding sleeves 8 outer side wall are all fixed with flame gun 9, and flame gun 9 top end surface is equipped with fire gathering assembly 15, and square tube 7 is equipped with the adjusting assembly for driving two sliding sleeves 8 synchronous movement.

[0023] Bottom plate 1 side edge is equipped with a plurality of mounting holes.

[0024] By inserting bolt inside mounting hole, bottom plate 1 can be fixed in the bottom of welding equipment.

[0025] Vertical plate 3 is fixedly installed with first motor 5 away from L-shaped plate 4 side, and the output end of first motor 5 is fixedly connected with the cross shaft connected with vertical plate 3.

[0026] After rotating by first motor 5 drive cross shaft and L-shaped plate 4, electric telescopic rod 6 and square tube 7 can be realized and laid down.

[0027] The adjusting assembly comprises two sliding blocks 12 inside the square tube 7 and a bidirectional screw rod 11, the two sliding blocks 12 are in sliding connection with the inner wall of the square tube 7, the two ends of the bidirectional screw rod 11 are in rotary connection with the inner wall of the square tube 7 through bearings, the bidirectional screw rod 11 penetrates through the two sliding blocks 12 and is in threaded connection with the two sliding blocks 12, the top end of each sliding block 12 is fixed with a sliding rod 13, and a strip-shaped opening 14 is arranged in the top wall of the square tube 7, and the two sliding rods 13 pass through the strip-shaped opening 14 and are fixedly connected with the inner walls of the two sliding sleeves 8.

[0028] When the bidirectional screw rod 11 rotates, the bidirectional screw rod 11 drives the two sliding blocks 12 to slide in the square tube 7, and the sliding directions of the two sliding blocks 12 are opposite, and the sliding blocks 12 drive the two sliding sleeves 8 to slide along the surface of the square tube 7 through the sliding rods 13.

[0029] The outer side wall of one end of the square tube 7 is fixedly provided with a servo motor 10, and the output end of the servo motor 10 is fixedly connected with the bidirectional screw rod 11.

[0030] The servo motor 10 drives the bidirectional screw rod 11 to rotate forward or reversely, so that the two sliding sleeves 8 are close to or away from each other, thereby adjusting the distance between the two flame guns 9.

[0031] The flame gathering assembly 15 comprises a fixed plate 152 fixed to the outer side wall of the flame gun 9 and a sliding plate 151 in sliding connection with the outer side wall of the flame gun 9, the upper surface of the sliding plate 151 is fixedly connected with a metal cover 153, and the lower surface of the sliding plate 151 and the upper surface of the fixed plate 152 are fixedly connected with a spring 154.

[0032] When the electric telescopic rod 6 is elongated to drive the square tube 7 and the flame gun 9 to rise, the flame gun 9 can be maximally close to the lower surface of the middle groove, and under the extrusion of the spring 154, the metal cover 153 can cover the surface of the flame gun 9 and the lower surface of the middle groove, the flame emitted by the flame gun 9 is gathered by the metal cover 153, and the heating efficiency of the middle groove is ensured.

[0033] Working principle: in use, first, the electric telescopic rod 6 is elongated to drive the flame gun 9 and the metal cover 153 to rise until the metal cover 153 is attached to the lower surface of the middle groove, then the flame gun 9 is opened to heat the middle groove, in the heating process, the vertical plate 3 is horizontally moved by the linear motor 2, so that the flame gun 9 is moved, and the middle groove is heated comprehensively; secondly, during heating, the servo motor 10 can be started to drive the two flame guns 9 to adjust the positions, so that the preheating device is more flexible and convenient for heating the middle groove.

[0034] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A preheating device for welding a central trench, comprising a base plate (1), characterized in that: A linear motor (2) is fixed on the upper surface of the base plate (1), and a vertical plate (3) is fixedly installed on the upper surface of the moving end of the linear motor (2). A horizontal shaft is rotatably connected to the middle of the vertical plate (3) through a bearing, and an L-shaped plate (4) is fixed at the other end of the horizontal shaft. An electric telescopic rod (6) is fixedly connected to the bottom upper surface of the L-shaped plate (4). A square tube (7) is fixedly connected to the top telescopic end of the electric telescopic rod (6). Two sliding sleeves (8) are slidably connected to the surface of the square tube (7). A flame gun (9) is fixed to the outer wall of each of the two sliding sleeves (8). A flame-gathering component (15) is provided on the top surface of the flame gun (9). An adjustment component that drives the two sliding sleeves (8) to move synchronously is provided inside the square tube (7).

2. The preheating device for welding a central trench according to claim 1, characterized in that: The base plate (1) has multiple mounting holes on its side.

3. The preheating device for welding a central trench according to claim 1, characterized in that: A first motor (5) is fixedly installed on the side of the vertical plate (3) away from the L-shaped plate (4), and the output end of the first motor (5) is fixedly connected to the horizontal axis connecting the vertical plate (3).

4. The preheating device for welding a central trench according to claim 1, characterized in that: The adjustment assembly includes two sliders (12) located inside the square tube (7) and a bidirectional lead screw (11). The two sliders (12) are slidably connected to the inner wall of the square tube (7). The two ends of the bidirectional lead screw (11) are rotatably connected to the inner wall of the square tube (7) through bearings. The bidirectional lead screw (11) passes through the two sliders (12) and is threadedly connected to the two sliders (12). Each slider (12) has a slide rod (13) fixed at its top. The top wall of the square tube (7) has a strip opening (14). The two slide rods (13) pass through the strip opening (14) and are fixedly connected to the inner walls of the two sliding sleeves (8) respectively.

5. The preheating device for welding a central trench according to claim 4, characterized in that: A servo motor (10) is fixedly installed on the outer wall of one end of the square tube (7), and the output end of the servo motor (10) is fixedly connected to the bidirectional lead screw (11).

6. The preheating device for welding a central trench according to claim 1, characterized in that: The fire-gathering assembly (15) includes a fixing plate (152) fixed to the outer wall of the flame gun (9) and a sliding plate (151) slidably connected to the outer wall of the flame gun (9). A metal cover (153) is fixedly connected to the upper surface of the sliding plate (151), and a spring (154) is fixedly connected to the lower surface of the sliding plate (151) and the upper surface of the fixing plate (152).

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