Forklift portal support installing and welding positioning device

Abstract

The utility model discloses a forklift portal support installing and welding positioning device which comprises a welding frame, and a clamping structure capable of fixing a forklift outer portal steel rail is arranged on the surface of the welding frame. According to the utility model, the two forklift outer gantry steel rails are placed on the welding frame, then one ends of the two forklift outer gantry steel rails are contacted with the positioning baffle plate, and then the two forklift outer gantry steel rails are clamped by the clamping structure, so that the positions of the two forklift outer gantry steel rails can be fixed; then one side of a forklift oil cylinder frame and one side of a connecting frame make contact with one sides of L-shaped limiting plates on the two sets of limiting structures correspondingly, the lower ends of the forklift oil cylinder frame and the lower end of the connecting frame make contact with the upper surfaces of bottom limiting plates on the two sets of limiting structures, and then the forklift oil cylinder frame and the connecting frame are clamped to the two sets of limiting structures correspondingly through fixing assemblies; therefore, the positions of the forklift oil cylinder frame and the connecting frame can be rapidly fixed, and meanwhile the forklift oil cylinder frame and the connecting frame can be prevented from moving in the welding process.

Description

Technical Field

[0001] The utility model relates to the technical field of forklift door frame welding, in particular to a forklift door frame support assembly welding positioning device. Background Art

[0002] The forklift mast is composed of an outer mast and an inner mast. The outer mast of the forklift is composed of an outer mast rail, a forklift cylinder frame and a connecting frame. The forklift cylinder frame and the connecting frame are welded on both sides of the two outer mast rails.

[0003] When welding the forklift outer mast, the traditional method is to use a tape measure to measure the welding position of the forklift cylinder frame and the connecting frame on the surface of the outer mast rail, then mark the surface of the outer mast rail, and then place the forklift cylinder frame and the connecting frame at the marked position. Therefore, it is impossible to quickly position the forklift cylinder frame and the connecting frame, and because the forklift cylinder frame and the connecting frame are not fixed after being placed at the marked position, it is easy to cause the forklift cylinder frame and the connecting frame to tilt during welding. To this end, we propose a forklift mast support assembly welding positioning device. Utility Model Content

[0004] The utility model aims to provide a forklift door frame support assembly welding positioning device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A forklift mast support assembly welding positioning device comprises a welding frame, the surface of which is provided with a clamping structure capable of fixing the forklift outer mast rail, and two sets of limiting structures capable of limiting the forklift cylinder frame and the connecting frame are respectively provided on both sides of the welding frame;

[0007] The clamping structure includes a positioning baffle, a fixed clamping plate, a movable clamping plate, and a driving assembly arranged under the welding frame and capable of driving the movable clamping plate to move. There are four fixed clamping plates, and the four fixed clamping plates are divided into two groups. The two groups of fixed clamping plates are respectively fixedly mounted on the two sides of the welding frame, and the positioning baffle is fixedly mounted on the back of the welding frame.

[0008] The driving assembly includes two mounting frames respectively fixedly mounted on the lower surface of the welding frame, the inner walls of the two mounting frames are rotatably connected with threaded columns, the surfaces of the threaded columns are respectively spirally connected with two nut seats, and the lower surface of the movable clamping plate is fixedly connected with the upper surface of the nut seat;

[0009] Both sets of limiting structures are composed of an L-shaped limiting plate and a bottom limiting plate. One end of the bottom limiting plate is fixedly connected to one side of the L-shaped limiting plate, and one side of the L-shaped limiting plates on the two sets of limiting structures are fixedly connected to the surfaces of the two sets of fixed clamps respectively.

[0010] Preferably, the surface of the threaded column is respectively provided with two sections of threads, and the thread rotation directions of the two sections of threads are opposite.

[0011] Preferably, the positioning baffle, the fixed clamping plate and the movable clamping plate all protrude from the upper surface of the welding frame.

[0012] Preferably, a fixing assembly is provided at one end of the bottom limit plate away from the L-shaped limit plate, and the fixing assembly includes a rotating plate rotatably installed at one end of the bottom limit plate, a locking bolt is threadedly connected to the surface of the rotating plate, and one end of the locking bolt is rotatably connected to the fixing plate.

[0013] Preferably, one end of the threaded column extends to the outside of the installation frame and is provided with a handle.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The utility model provides a clamping structure and a limiting structure, and two forklift outer door frame rails are placed on the welding frame, and then one end of the two forklift outer door frame rails is contacted with the positioning baffle, and then the two forklift outer door frame rails are clamped by the clamping structure, so that the positions of the two forklift outer door frame rails can be fixed, and then one side of the forklift cylinder frame and the connecting frame are respectively contacted with one side of the L-shaped limiting plates on the two groups of limiting structures, and the lower ends of the forklift cylinder frame and the connecting frame are in contact with the upper surfaces of the bottom limiting plates on the two groups of limiting structures, and then the forklift cylinder frame and the connecting frame are respectively clamped on the two groups of limiting structures by using a fixing component, so that the positions of the forklift cylinder frame and the connecting frame can be quickly fixed without measuring the position each time, and the forklift cylinder frame and the connecting frame can also be prevented from moving during welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure proposed for the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the welding frame proposed in the utility model;

[0018] Figure 3 It is a three-dimensional structural diagram of the limiting structure proposed for the utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the forklift outer door frame after welding proposed in the utility model;

[0020] Figure 5 It is a schematic diagram of the rear section structure of the welding frame proposed in the utility model;

[0021] Figure 6 for Figure 1 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1 welding frame, 2 positioning baffle, 3 fixed clamping plate, 4 movable clamping plate, 5 installation frame, 6 threaded column, 7 nut seat, 8 L-type limit plate, 9 bottom limit plate, 10 rotating plate, 11 locking bolt, 12 fixed plate, 13 forklift outer door frame rail, 14 forklift cylinder frame, 15 connecting frame. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Reference Figure 1-6 , a forklift gantry support welding and positioning device comprises a welding frame 1, the surface of the welding frame 1 is provided with a clamping structure for fixing the forklift outer gantry rail 13, the clamping structure comprises a positioning baffle 2, a fixed clamping plate 3, a movable clamping plate 4 and a driving component arranged under the welding frame 1 and capable of driving the movable clamping plate 4 to move, the number of the fixed clamping plates 3 is four, the four fixed clamping plates 3 are divided into two groups, and the two groups of fixed clamping plates 3 are respectively fixedly mounted on the two side surfaces of the welding frame 1, the positioning baffle 2 is fixedly mounted on the back side of the welding frame 1, the positioning baffle 2, the fixed clamping plate 3 and the movable clamping plate 4 all protrude from the upper surface of the welding frame 1, two forklift outer gantry rails 13 are placed on the welding frame 1, and then the two forklift outer gantry rails 13 are pushed and one end of the two forklift outer gantry rails 13 is contacted with the positioning baffle 2, so that the positions of the two forklift outer gantry rails 13 can be preliminarily positioned.

[0026] The driving assembly includes two mounting frames 5 respectively fixedly mounted on the lower surface of the welding frame 1, the inner walls of the two mounting frames 5 are rotatably connected with threaded columns 6, one end of the threaded column 6 extends to the outside of the mounting frame 5 and is provided with a handle, the surface of the threaded column 6 is respectively provided with two sections of thread, and the thread rotation directions of the two sections of thread are opposite, the surface of the threaded column 6 is respectively spirally connected to two nut seats 7, and the lower surface of the movable splint 4 is fixedly connected to the upper surface of the nut seat 7, when one end of the two forklift outer door frame rails 13 contacts the positioning baffle 2, then the handle is rotated to drive the threaded column 6 to rotate, and the spiral transmission between the threaded column 6 and the nut seat 7 can be used to drive the movable splint 4 to move to one side of the fixed splint 3, and the two forklift outer door frame rails 13 are clamped between the movable splint 4 and the fixed splint 3, so that the positions of the two forklift outer door frame rails 13 can be stably fixed.

[0027] Two groups of limiting structures for limiting the forklift cylinder frame 14 and the connecting frame 15 are respectively arranged on both sides of the welding frame 1, and the two groups of limiting structures are composed of an L-shaped limiting plate 8 and a bottom limiting plate 9, one end of the bottom limiting plate 9 is fixedly connected to one side of the L-shaped limiting plate 8, and one side of the L-shaped limiting plate 8 on the two groups of limiting structures is fixedly connected to the surface of the two groups of fixed clamping plates 3 respectively. When the positions of the two forklift outer door frame rails 13 are stably fixed, then one side of the forklift cylinder frame 14 and the connecting frame 15 are respectively contacted with one side of the L-shaped limiting plate 8 on the two groups of limiting structures, and the lower ends of the forklift cylinder frame 14 and the connecting frame 15 are in contact with the upper surface of the bottom limiting plate 9 on the two groups of limiting structures to ensure that the bottoms are at the same height, thereby determining the installation position of the forklift cylinder frame 14 and the connecting frame 15.

[0028] A fixing assembly is provided at one end of the bottom limit plate 9 away from the L-shaped limit plate 8, and the fixing assembly includes a rotating plate 10 rotatably installed at one end of the bottom limit plate 9, and a locking bolt 11 is threadedly connected to the surface of the rotating plate 10, and one end of the locking bolt 11 is rotatably connected to a fixing plate 12. When the installation position of the forklift cylinder frame 14 and the connecting frame 15 is determined, the locking bolt 11 is rotated to drive the fixing plate 12 to clamp the forklift cylinder frame 14 and the connecting frame 15 on the two sets of limiting structures respectively, so that the position of the forklift cylinder frame 14 and the connecting frame 15 can be quickly fixed without measuring the position each time, and the movement of the forklift cylinder frame 14 and the connecting frame 15 during welding can also be avoided.

[0029] The above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A forklift mast support assembly welding and positioning device, comprising a welding frame (1), characterized in that: The surface of the welding frame (1) is provided with a clamping structure capable of fixing the steel rail of the forklift outer door frame, and two sets of limiting structures capable of limiting the position of the forklift cylinder frame and the connecting frame are respectively provided on both sides of the welding frame (1); The clamping structure comprises a positioning baffle (2), a fixed clamping plate (3), a movable clamping plate (4), and a driving assembly arranged below the welding frame (1) and capable of driving the movable clamping plate (4) to move. The number of the fixed clamping plates (3) is four, and the four fixed clamping plates (3) are divided into two groups. The two groups of fixed clamping plates (3) are respectively fixedly mounted on two side surfaces of the welding frame (1), and the positioning baffle (2) is fixedly mounted on the back of the welding frame (1). The driving assembly comprises two mounting frames (5) respectively fixedly mounted on the lower surface of the welding frame (1), the inner walls of the two mounting frames (5) are rotatably connected with threaded columns (6), the surfaces of the threaded columns (6) are respectively spirally connected with two nut seats (7), and the lower surface of the movable clamping plate (4) is fixedly connected with the upper surface of the nut seat (7); The two groups of limiting structures are both composed of an L-shaped limiting plate (8) and a bottom limiting plate (9), one end of the bottom limiting plate (9) is fixedly connected to one side of the L-shaped limiting plate (8), and one side of the L-shaped limiting plate (8) on the two groups of limiting structures is fixedly connected to the surfaces of the two groups of fixed clamping plates (3) respectively.

2. The forklift mast support assembly welding and positioning device according to claim 1, characterized in that: The surface of the threaded column (6) is respectively provided with two sections of threads, and the thread rotation directions of the two sections of threads are opposite.

3. The forklift mast support assembly welding and positioning device according to claim 1, characterized in that: The positioning baffle (2), the fixed clamping plate (3) and the movable clamping plate (4) all protrude from the upper surface of the welding frame (1).

4. The forklift mast support assembly welding and positioning device according to claim 1, characterized in that: A fixing assembly is provided at one end of the bottom limiting plate (9) away from the L-shaped limiting plate (8), and the fixing assembly comprises a rotating plate (10) rotatably mounted on one end of the bottom limiting plate (9), a locking bolt (11) is threadedly connected to the surface of the rotating plate (10), and one end of the locking bolt (11) is rotatably connected to the fixing plate (12).

5. The forklift mast support assembly welding and positioning device according to claim 1, characterized in that: One end of the threaded column (6) extends to the outside of the installation frame (5) and is provided with a handle.

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