Welding device for rack of coal mining machine

Abstract

The utility model relates to the technical field of welding devices, and discloses a coal mining machine frame welding device which comprises a base, a support is movably arranged on the base, the support is of an n-shaped structure and is formed by welding a plurality of vertical rods and transverse rods, a welding machine is movably installed on the support, two sliding rails are fixedly connected to the two sides of the base respectively, and the sliding rails are arranged on the base. The lower portion of the inner side of the support is fixedly connected with a sliding block in sliding connection with the sliding rail, a movable frame is movably arranged on the inner side of the support, electric winches are installed on the tops of the two ends of the support, steel wire ropes are wound around the electric winches, one end of each steel wire rope is connected to the movable frame, and a Z-shaped bearing plate is movably installed on the movable frame. And the welding machine is mounted at the top of the bearing plate. By mechanically adjusting the height and the position of the bearing plate, multi-point welding can be carried out on the top of the machine frame, workers do not need to climb up and move back and forth repeatedly, convenience and rapidness are achieved, the labor intensity of the workers is lowered, and safety is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding device technical field, specifically a kind of coal winning machine rack welding device. BACKGROUND

[0002] Coal winning machine is a kind of heavy machinery for coal mining, mainly used in coal face, realizes the cutting, loading and transportation of coal. Coal winning machine rack is the key component of coal winning machine, which provides support and installation platform for other parts of coal winning machine.

[0003] During the processing of the rack of the coal winning machine, part of the components are fixed on the rack by welding. Since the height of part of the racks of the coal winning machine is high, the workers need to move back and forth and repeatedly climb to complete the welding work on the rack, which increases the labor intensity of the workers, and there is a safety hazard when the workers repeatedly climb and move back and forth. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a coal winning machine rack welding device.

[0005] In order to solve the above problems, the technical scheme of the utility model is as follows: a coal winning machine rack welding device, comprising a base, a support movably arranged on the base, the support being in a door-shaped structure and formed by welding a plurality of vertical rods and horizontal rods, a welding machine movably installed on the support, two slide rails fixed on both sides of the base, a sliding block fixed on the lower part of the inner side of the support and slidably connected with the slide rails, a movable frame movably arranged on the inner side of the support, an electric winch installed on the top of both ends of the support, a steel wire rope wound on the electric winch, one end of the steel wire rope connected to the movable frame, a Z-shaped supporting plate movably installed on the movable frame, and the welding machine installed on the top of the supporting plate.

[0006] Further, a limiting strip is installed on the top of one end of the base, and the top of the base is divided into a processing area and a support storage area by the limiting strip.

[0007] Further, a rack one fixed between the two slide rails on both sides of the base, and a motor one installed on the lower part of both sides of the support, a gear one engaged with the rack one installed on the output shaft of the motor one.

[0008] Further, a sleeve fixed on the outer side of the vertical rod of the support is fixed on the four corners of the movable frame.

[0009] Further, a fixed block is fixed on both ends of the movable frame, and a through hole is formed in the upper part of both ends of the support, and the movable end of the steel wire rope passes through the through hole and is connected to the fixed block.

[0010] Further, the supporting plate bottom is fixedly connected with the shaped limit frame movably sleeved outside the support, the limit frame is provided with two groups, and the opening directions of the two groups of limit frames are opposite.

[0011] Further, the inside of the movable frame is provided with a second rack, the top of the supporting plate is provided with a second motor, and the output shaft of the second motor is provided with a second gear engaged with the second rack.

[0012] The utility model discloses compared with prior art has the advantages in that: the utility model discloses through the winding of electric capstan, promotes movable frame to move up and down, realizes the adjustment of the height of supporting plate, motor one drives gear one rotation, promotes the support along the slide rail and moves, realizes the adjustment of support position, motor two drive gear two rotation, promote supporting plate along movable frame and move, realize the adjustment of supporting plate position, and then through the mechanization of the height and position of supporting plate, can carry out the welding of the multiple point of rack top, need not repeatedly climb and move back and forth of staff, convenient and fast, reduce the labor intensity of staff, and more safe. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the three-dimensional structure of the utility model Figure One .

[0014] Figure 2 It is the three-dimensional structure of the utility model Figure Two .

[0015] Figure 3 It is the structure enlarged view of A in the utility model Figure 1 .

[0016] Figure 4 It is the installation structure sectional view of supporting plate of the utility model

[0017] As shown in the figure: 1, base; 2, support; 3, welding machine; 4, slide rail; 5, sliding block; 6, movable frame; 7, electric capstan; 8, steel wire rope; 9, supporting plate; 10, limit strip; 11, rack one; 12, motor one; 13, gear one; 14, sleeve; 15, fixed block; 16, limit frame; 17, rack two; 18, motor two; 19, gear two. DETAILED DESCRIPTION

[0018] 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, and apparently, 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 protection scope of the utility model.

[0019] As Figure 1 ,Figure 2 and Figure 3 As shown, a coal mining machine frame welding device includes a base 1, a support 2 movably mounted on the base 1, a limit strip 10 installed at one end of the top of the base 1, the limit strip 10 dividing the top of the base 1 into a processing area and a support storage area, the support 2 having a gate-shaped structure and being formed by welding multiple vertical and horizontal bars, a welding machine 3 movably mounted on the support 2, two slide rails 4 fixedly connected to both sides of the base 1, a slider 5 fixedly connected to the slide rails 4 on the lower inner side of the support 2, a rack 11 fixedly connected between the two slide rails 4 on both sides of the base 1, a motor 12 installed on the lower part of both sides of the support 2, and a gear 13 meshing with the rack 11 installed on the output shaft of the motor 12.

[0020] Motor 12 drives gear 13 to rotate, causing gear 13 to move along rack 11, which in turn causes bracket 2 to move along slide rail 4 via slider 5, thereby adjusting the position of bracket 2.

[0021] like Figure 1 and Figure 2 As shown, a movable frame 6 is movably provided inside the support 2, and electric winches 7 are installed at the top of both ends of the support 2. A steel wire rope 8 is wound on the electric winch 7. One end of the steel wire rope 8 is connected to the movable frame 6. Sleeves 14 that are slidably sleeved on the outside of the support 2 upright are fixed at the four corners of the movable frame 6. Fixing blocks 15 are fixed at both ends of the movable frame 6. Through holes are opened at the upper part of both ends of the support 2. The movable end of the steel wire rope 8 passes through the through hole and is connected to the fixing block 15. A Z-shaped support plate 9 is movably installed on the movable frame 6. The welding machine 3 is installed on the top of the support plate 9.

[0022] By winding and unwinding the electric winch 7, the wire rope 8 drives the movable frame 6 to move up and down inside the support 2, which can adjust the height of the support plate 9; the sleeve 14 can prevent the movable frame 6 from tilting.

[0023] like Figure 1 , Figure 2 and Figure 4 As shown, a U-shaped limiting frame 16 is fixedly connected to the bottom of the support plate 9 and is movably sleeved on the outside of the bracket 2. There are two sets of limiting frames 16, and the opening directions of the two sets of limiting frames 16 are opposite. A rack 17 is installed inside the movable frame 6, and a motor 18 is installed on the top of the support plate 9. A gear 19 that meshes with the rack 17 is installed on the output shaft of the motor 18.

[0024] Motor 2 18 drives gear 2 19 to rotate, causing gear 2 19 to move along rack 2 17, thereby causing support plate 9 to move along movable frame 6 through limit frame 16, realizing the adjustment of the position of support plate 9.

[0025] In specific use, a controller for controlling the operation of the motor 12, the motor 18 and the electric winch 7 is installed on the top of the supporting plate 9, a positioning assembly for positioning the machine frame is installed on the base 1, the machine frame is placed on the machining area on the top of the base 1 and fixed through the positioning assembly, when welding parts on the top of the machine frame, the worker moves to the supporting plate 9, the electric winch 7 is wound to raise the position of the movable frame 6, the motor 12 is started to move the support 2 along the slide rail 4, the movable frame 6 can be moved above the machine frame close to the welding position, the motor 18 is started to move the supporting plate 9 along the movable frame 6, the worker can be moved to the welding position, the worker can perform the welding operation on the supporting plate 9, when multiple positions on the top of the machine frame need to be welded, the position of the supporting plate 9 only needs to be adjusted, the worker does not need to repeatedly climb and move back and forth, which is convenient and fast, reduces the labor intensity of the worker and is safer.

[0026] The positioning assembly in the utility model is prior art, and its specific structure and working principle are not described again.

[0027] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] Although the embodiments of the utility model have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0029] The utility model and its implementation mode have been described above, and such description is not restrictive, and the shown in the drawings is only one of the implementation modes of the utility model, and the actual structure is not limited to this. In general, if the ordinary skilled in the art is inspired, without departing from the creative purpose of the utility model, the similar structure mode and embodiment are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A coal mining machine rack welding device, comprising a base (1), a support (2) movably arranged on the base (1), the support (2) being in a door-shaped structure and formed by welding a plurality of vertical rods and horizontal rods, and a welding machine (3) movably installed on the support (2), characterized in that: Both sides of the base (1) are fixedly connected with two slide rails (4), the inner side of the support (2) is fixedly connected with a sliding block (5) which is in sliding connection with the slide rail (4), the inner side of the support (2) is movably provided with a movable frame (6), and the top of both ends of the support (2) is provided with an electric winch (7), a steel wire rope (8) is wound on the electric winch (7), one end of the steel wire rope (8) is connected to the movable frame (6), a Z-shaped supporting plate (9) is movably installed on the movable frame (6), and the welding machine (3) is installed on the top of the supporting plate (9).

2. A shearer frame welding apparatus according to claim 1, characterised in that: The top of one end of the base (1) is provided with a limiting strip (10), and the limiting strip (10) divides the top of the base (1) into a processing area and a support storage area.

3. A coalcutter gantry welding apparatus as claimed in claim 1 wherein: The base (1) is fixedly connected with a rack one (11) between the two slide rails (4) on both sides, and the lower part of the support (2) is provided with a motor one (12) on both sides.

4. A shearer frame welding apparatus according to claim 1, wherein: The four corners of the movable frame (6) are fixedly connected with sleeves (14) which are slidably arranged outside the vertical rods of the support (2).

5. A shearer frame welding apparatus according to claim 1, wherein: The both ends of the movable frame (6) are fixedly connected with fixing blocks (15), and the upper part of both ends of the support (2) is provided with a through hole, and the movable end of the steel wire rope (8) is connected to the fixing block (15) after penetrating through the through hole.

6. A coalcutter gantry welding apparatus as claimed in claim 1 wherein: The bottom of the supporting plate (9) is fixedly connected with a U-shaped limiting frame (16) which is movably arranged outside the support (2), the limiting frame (16) is provided with two groups, and the opening directions of the two groups of limiting frames (16) are opposite.

7. A shearer frame welding apparatus according to claim 6 wherein: The inner side of the movable frame (6) is provided with a rack two (17), and the top of the supporting plate (9) is provided with a motor two (18), and the output shaft of the motor two (18) is provided with a gear two (19) which is in engagement with the rack two (17).

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