Gantry crane supporting leg

Abstract

The utility model relates to the technical field of portal cranes, in particular to a portal crane supporting leg which comprises a top beam, fixing rods are arranged below the two sides of the bottom face of the top beam, moving rods are arranged in the two fixing rods in a penetrating mode, and fixing adjusting holes are formed in the top ends and the bottom ends of the fixing rods. Fixing supporting frames are obliquely arranged on the two sides of the side wall of the fixing rod, a first fixing plate and a second fixing plate are arranged on the outer walls of the two fixing supporting frames, a fixing plate adjusting hole is formed in the middle of the top end of the second fixing plate, a fixing connecting frame is arranged between the bottom faces of the two fixing supporting frames, and connecting triangular fixing plates are arranged at the two ends of the fixing connecting frame. Auxiliary triangular fixing plates are arranged on the outer sides of the bottom ends of the moving rods, auxiliary supporting frames are arranged on the outer sides of the bottom ends of the two moving rods, moving rod fixing plates are arranged on the outer walls of the top ends of the moving rods, auxiliary supporting frame connecting plates are arranged on the top faces of the auxiliary supporting frames, pulley supports are arranged on the bottom faces of the fixed connecting frames, and universal pulleys are arranged on the bottom faces of the pulley supports.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry cranes, in particular to a gantry crane outrigger. Background Art

[0002] Gantry crane is a variation of bridge crane, also called gantry crane, mainly used for loading and unloading operations of outdoor cargo yards, material yards and bulk cargo. Gantry crane has the characteristics of high site utilization, large operating range, wide adaptability and strong versatility, and is widely used in port cargo yards. When the current gantry crane is in use, the gantry crane is first assembled, and then the cargo is placed on the bottom of the gantry crane, and then the cargo is fixed, and then the machine is turned on, and the cargo is lifted at this time, and then loading and unloading operations can be carried out. However, when assembling the current gantry crane, due to the large legs and high quality of the gantry crane, the staff are relatively unstable during assembly, the manpower investment is large, and it is relatively dangerous, which is not convenient for the staff to use.

[0003] Therefore, producing a gantry crane leg with a simple design structure, which is convenient for solving the problems of inconvenient assembly of gantry crane legs, excessive assembly manpower investment, and assembly danger, and is easy for personnel to use, has broad market prospects. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides a gantry crane leg with a simple design structure, which is convenient for solving the problems of inconvenient assembly of gantry crane legs, excessive assembly manpower investment, and assembly danger, and is easy for personnel to use, thereby overcoming the defects in the prior art.

[0005] The technical scheme adopted by the utility model is as follows: a gantry crane outrigger comprises a top beam, fixing rods are arranged below both sides of the bottom surface of the top beam, the fixing rods adopt a columnar rod-shaped structure with upper and lower openings, a moving rod is penetrated inside the two fixing rods, a fixing adjustment hole is opened at the top and bottom ends of the fixing rods, a fixing support frame is obliquely arranged at both sides of the side wall of the fixing rod, a first fixing plate and a second fixing plate are arranged on the outer walls of the two fixing support frames, a first bolt is arranged on the outer sides of the first fixing plate and the second fixing plate, the first fixing plate and the second fixing plate are both sleeved on the outer walls of the two fixing support frames through the first bolt, a fixing plate adjustment hole is opened at the middle part of the top end of the second fixing plate, a fixing connecting frame is arranged between the bottom surfaces of the two fixing support frames, a connecting triangle fixing plate is arranged at both ends of the fixing connecting frame, a third bolt is arranged on the outer side of the connecting triangle fixing plate, the side walls of the two moving rods are opened with moving adjustment holes, the bottom of the moving rod The outer side of the two movable frames is provided with an auxiliary triangle fixing plate, and the outer side of the auxiliary triangle fixing plate is provided with a second bolt, and the outer side of the bottom end of the two moving rods are provided with an auxiliary support frame, and the bottom end of the moving rod and the bottom end of the auxiliary support frame are connected by the cooperation between the auxiliary triangle fixing plate and the second bolt. A moving rod fixing plate is provided on the top outer wall of the moving rod, and a top beam fixing bolt is provided on the outer side of the moving rod fixing plate, and the top surfaces of the two moving rods and the two ends of the bottom surface of the top beam are connected by the cooperation between the moving rod fixing plate and the top beam fixing bolt. An auxiliary support frame connecting plate is provided on the top surface of the auxiliary support frame, and an auxiliary support frame connecting plate fixing bolt is provided on the outer side of the auxiliary support frame connecting plate, and the top surfaces of the two auxiliary support frames are fixedly installed on the bottom surface of the top beam through the cooperation between the auxiliary support frame connecting plate and the auxiliary support frame connecting plate fixing bolts. Pulley brackets are provided on the bottom surfaces of both ends of the fixed connecting frame, and a universal pulley is mounted on the bottom surface of the pulley bracket.

[0006] The number of the first fixing plates is two, the number of the second fixing plates is two, the two first fixing plates are symmetrically mounted on the top ends of the outer walls of the two fixed support frames by first bolts, the two second fixing plates are symmetrically mounted on the outer walls of the two fixed support frames by first bolts, and the two first fixing plates are located above the two second fixing plates.

[0007] The outer sides of the fixed adjustment hole and the fixed plate adjustment hole are provided with adjustment bolts, and the adjustment bolts penetrate the inside of the fixed adjustment hole and the fixed plate adjustment hole. The aperture size of the fixed adjustment hole is consistent with the aperture size of the fixed plate adjustment hole. The second fixed plate is connected to the bottom end of the fixed rod through the cooperation between the fixed plate adjustment hole and the adjustment bolt.

[0008] There are several movable adjustment holes, which are arranged on the outer wall of the movable rod from top to bottom. The aperture size of the movable adjustment hole is consistent with the aperture size of the fixed adjustment hole, and the aperture size of the movable adjustment hole is consistent with the aperture size of the fixed plate adjustment hole.

[0009] The auxiliary triangular fixing plate adopts a triangular clamping plate structure, and the second bolt passes through the auxiliary triangular fixing plate and is arranged on the outer wall of the bottom end of the moving rod and the auxiliary supporting frame.

[0010] The connecting triangle fixing plate adopts a triangular clamping plate structure, and the two ends of the fixed connecting frame are connected to the bottom surfaces of the two fixed support frames through the cooperation between the connecting triangle fixing plate and the third bolt.

[0011] The beneficial effects of the utility model are as follows: the utility model can adjust the height of the moving rod according to the needs of carrying objects by means of the set fixing rod, moving rod, auxiliary support frame, auxiliary triangular fixing plate, second bolt, fixing adjustment hole, fixing plate adjustment hole, moving adjustment hole and adjusting bolt, so that the moving adjustment hole on the moving rod is aligned with the fixing adjustment hole and the fixing plate adjustment hole on the fixing rod, and the moving rod is fixed inside the fixing rod by the adjusting bolt, and the bottom end of the moving rod is fixedly connected to the bottom end of the auxiliary support frame by the auxiliary triangular fixing plate and the second bolt through the set auxiliary triangular fixing plate and the second bolt, and when the moving rod is raised, the auxiliary support frame will also be raised along with the moving rod, and then fixed by the moving rod fixing plate and the top beam Bolts are used to raise the top beam, and the second fixing plate is used to buckle it on the auxiliary triangular fixing plate to limit the height. The first fixing plate and the second fixing plate can strengthen the fixation of the fixed support frame. The top end of the fixed support frame is fixedly installed on the two ends of the side walls of the fixing rod, thereby also strengthening the fixation of the first fixing plate and the second fixing plate to the fixing rod. The fixed connecting frame and the fixed support frame can be reinforced by the connecting triangular fixing plate and the third bolt, and can be moved to the required position by the universal pulley. Each component is connected and reinforced with the support frame by bolts, which is convenient for the assembly of the gantry crane legs. The assembly method is simple, the labor investment is small, and the risk of assembly is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model from the front view.

[0013] Figure 2 It is a schematic diagram of the overall three-dimensional structure of the utility model when viewed from above.

[0014] Figure 3 It is a front structural schematic diagram of the utility model.

[0015] Figure 4 It is a side structural schematic diagram of the utility model.

[0016] Among them, in the figure: 1-top beam, 2-movable rod, 3-fixed rod, 4-fixed adjustment hole, 5-movable adjustment hole, 6-adjusting bolt, 7-fixed support frame, 8-first fixed plate, 9-second fixed plate, 10-fixed plate adjustment hole, 11-first bolt, 12-auxiliary triangle fixed plate, 13-auxiliary support frame, 14-second bolt, 15-connecting triangle fixed plate, 16-fixed connecting frame, 17-third bolt, 18-movable rod fixed plate, 19-top beam fixing bolt, 20-auxiliary support frame connecting plate, 21-pulley bracket, 22-universal pulley. DETAILED DESCRIPTION

[0017] In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. The terms "first", "second", "third", etc. mentioned in the present application are used to distinguish the objects being described and do not have any order or technical meaning. The terms "connection" mentioned in the present application, unless otherwise specified, include direct and indirect connections.

[0018] like Figure 1 , 2As shown in , 3 and 4, a gantry crane outrigger comprises a top beam 1, wherein fixing rods 3 are arranged below the bottom sides of the bottom surface of the top beam 1, the fixing rods 3 are of a columnar rod-shaped structure with upper and lower openings, the insides of the two fixing rods 3 are penetrated by moving rods 2, the top and bottom ends of the fixing rods 3 are provided with fixing adjustment holes 4, the side walls of the fixing rods 3 are obliquely provided with fixing support frames 7, the outer walls of the two fixing support frames 7 are provided with a first fixing plate 8 and a second fixing plate 9, the outer sides of the first fixing plate 8 and the second fixing plate 9 are provided with a first bolt 11, the first fixing plate 8 and the second fixing plate 9 are both mounted on the outer walls of the two fixing support frames 7 by the first bolt 11, and the middle part of the top end of the second fixing plate 9 is provided with a fixing plate adjustment hole. A node hole 10, a fixed connecting frame 16 is provided between the bottom surfaces of the two fixed support frames 7, and connecting triangular fixing plates 15 are provided at both ends of the fixed connecting frame 16, and a third bolt 17 is provided on the outer side of the connecting triangular fixing plate 15. The side walls of the two mobile rods 2 are provided with a movable adjustment hole 5, and an auxiliary triangular fixing plate 12 is provided on the outer side of the bottom end of the mobile rod 2, and a second bolt 14 is provided on the outer side of the auxiliary triangular fixing plate 12. Auxiliary support frames 13 are provided on the outer sides of the bottom ends of the two mobile rods 2. The bottom end of the mobile rod 2 is connected to the bottom end of the auxiliary support frame 13 through the cooperation between the auxiliary triangular fixing plate 12 and the second bolt 14. A mobile rod fixing plate 18 is provided on the outer wall of the top end of the mobile rod 2, and the mobile rod fixing plate 18 A top beam fixing bolt 19 is provided on the outer side, and the top surfaces of the two moving rods 2 are connected to the two ends of the bottom surface of the top beam 1 through the cooperation between the moving rod fixing plate 18 and the top beam fixing bolt 19. An auxiliary support frame connecting plate 20 is provided on the top surface of the auxiliary support frame 13, and an auxiliary support frame connecting plate fixing bolt is provided on the outer side of the auxiliary support frame connecting plate 20. The top surfaces of the two auxiliary support frames 13 are fixedly installed on the bottom surface of the top beam 1 through the cooperation between the auxiliary support frame connecting plate 20 and the auxiliary support frame connecting plate fixing bolts. Pulley brackets 21 are provided on the bottom surfaces of both ends of the fixed connecting frame 16, and a universal pulley 22 is mounted on the bottom surface of the pulley bracket 21; the number of the first fixed plates 8 is two, There are two second fixing plates 9, the two first fixing plates 8 are symmetrically mounted on the top of the outer wall of the two fixing support frames 7 by means of the first bolts 11, the two second fixing plates 9 are symmetrically mounted on the outer wall of the two fixing support frames 7 by means of the first bolts 11, and the two first fixing plates 8 are located above the two second fixing plates 9; the outer sides of the fixed adjustment holes 4 and the fixing plate adjustment holes 10 are both provided with adjustment bolts 6, the adjustment bolts 6 penetrate the inside of the fixed adjustment holes 4 and the fixing plate adjustment holes 10, the aperture size of the fixed adjustment holes 4 is consistent with the aperture size of the fixing plate adjustment holes 10, and the second fixing plates 9 are connected to the bottom end of the fixing rod 3 by means of the cooperation between the fixing plate adjustment holes 10 and the adjustment bolts 6;The number of the movable adjustment holes 5 is several, and the several movable adjustment holes 5 are arranged on the outer wall of the movable rod 2 from top to bottom. The aperture size of the movable adjustment hole 5 is consistent with the aperture size of the fixed adjustment hole 4, and the aperture size of the movable adjustment hole 5 is consistent with the aperture size of the fixed plate adjustment hole 10; the auxiliary triangular fixing plate 12 adopts a triangular clamping plate structure, and the second bolt 14 is penetrated through the auxiliary triangular fixing plate 12 and is arranged on the outer wall of the bottom end of the movable rod 2 and the auxiliary support frame 13; the connecting triangular fixing plate 15 adopts a triangular clamping plate structure, and the two ends of the fixed connecting frame 16 are connected to the bottom surfaces of the two fixed support frames 7 through the cooperation between the connecting triangular fixing plate 15 and the third bolt 17. Through the set fixed rod 3, movable rod 2, auxiliary support frame 13, auxiliary triangular fixing plate 12, second bolt 14, fixed adjustment hole 4, fixed plate adjustment hole 10, movable adjustment hole 5 and adjusting bolt 6, the height of the movable rod 2 can be adjusted according to the needs of carrying objects, so that the movable adjustment hole 5 on the movable rod 2 is aligned with the fixed adjustment hole 5 on the fixed rod 3 The node hole 4 and the fixing plate adjustment hole 10 are used to fix the moving rod 2 inside the fixing rod 3 by adjusting the bolt 6. The bottom end of the moving rod 2 is fixedly connected to the bottom end of the auxiliary support frame 13 by the auxiliary triangular fixing plate 12 and the second bolt 14. When the moving rod 2 is raised, the auxiliary support frame 13 will also be raised along with the moving rod 2. Then, the top beam 1 is raised by the moving rod fixing plate 18 and the top beam fixing bolt 19. The second fixing plate 9 is used to buckle it on the auxiliary triangular fixing plate 12 to limit the height. The first fixing plate 8 and the second fixing plate 9 are used to strengthen the fixing of the fixed support frame 7. However, the top end of the fixed support frame 7 is fixedly installed on the two ends of the side wall of the fixing rod 3, thereby strengthening the fixing of the first fixing plate 8 and the second fixing plate 9 to the fixing rod 3. The fixing of the fixed connecting frame 16 and the fixed support frame 7 can be reinforced by the connecting triangular fixing plate 15 and the third bolt 17. The universal pulley 22 can be used to move it to the required position. ;

[0019] Each component is connected and reinforced with the support frame by bolts, which facilitates the assembly of the gantry crane legs. The assembly method is simple, requires less manpower, and reduces the risk of assembly.

[0020] The method of using this product is as follows: Figure 1 , 2As shown in Figures 3 and 4, the universal pulley 22 can be used to move the movable rod 2 to a desired position. The height of the movable rod 2 can be adjusted as needed to carry items by using the fixed rod 3, movable rod 2, auxiliary support frame 13, auxiliary triangular fixing plate 12, second bolt 14, fixed adjustment hole 4, fixing plate adjustment hole 10, movable adjustment hole 5 and adjusting bolt 6. The movable rod 2 is fixed to the inside of the fixed rod 3 by the adjusting bolt 6. The bottom end of the movable rod 2 is aligned with the bottom end of the auxiliary support frame 13 by using the auxiliary triangular fixing plate 12 and the second bolt 14. 2 and the second bolt 14 are fixedly connected. When the moving rod 2 is raised, the auxiliary support frame 13 will also be raised with the moving rod 2, and then the top beam 1 is raised by the moving rod fixing plate 18 and the top beam fixing bolt 19. The second fixing plate 9 is provided to buckle it on the auxiliary triangular fixing plate 12 to limit the height. The first fixing plate 8 and the second fixing plate 9 are provided to strengthen the fixation of the fixed support frame 7. However, the top end of the fixed support frame 7 is fixedly installed on the two ends of the side wall of the fixing rod 3, thereby also strengthening the fixation of the first fixing plate 8 and the second fixing plate 9 to the fixing rod 3. The fixed connecting frame 16 and the fixed support frame 7 can be reinforced by the connecting triangular fixing plate 15 and the third bolt 17.

[0021] The utility model has a simple design structure, which is convenient for solving the problems of inconvenient assembly of gantry crane legs, excessive assembly manpower investment and assembly danger. The gantry crane legs are easy for personnel to use, making the utility model have broad market prospects.

Claims

1. A gantry crane leg, comprising a top beam (1), characterized in that: Fixed rods (3) are provided below the bottom surface of the top beam (1) on both sides. The fixed rods (3) are columnar rod structures with upper and lower openings. The insides of the two fixed rods (3) are penetrated by movable rods (2). The top and bottom ends of the fixed rods (3) are provided with fixed adjustment holes (4). Fixed support frames (7) are obliquely provided on both sides of the side walls of the fixed rods (3). The outer walls of the two fixed support frames (7) are provided with a first fixed plate (8) and a second fixed plate (9). The outer sides of the first fixed plate (8) and the second fixed plate (9) are provided with first bolts (11). The first fixed plate (8) and the second fixed plate (9) are provided with first bolts (11). The two fixing plates (9) are both mounted on the outer walls of the two fixing support frames (7) by means of first bolts (11); a fixing plate adjustment hole (10) is provided at the middle of the top end of the second fixing plate (9); a fixing connecting frame (16) is provided between the bottom surfaces of the two fixing support frames (7); connecting triangular fixing plates (15) are provided at both ends of the fixing connecting frame (16); a third bolt (17) is provided on the outer side of the connecting triangular fixing plate (15); the side walls of the two moving rods (2) are both provided with moving adjustment holes (5); and an auxiliary triangular fixing plate (12) is provided on the outer side of the bottom end of the moving rod (2). A second bolt (14) is provided on the outer side of the auxiliary triangular fixing plate (12); an auxiliary support frame (13) is provided on the outer side of the bottom ends of the two moving rods (2); the bottom ends of the moving rods (2) and the bottom ends of the auxiliary support frames (13) are connected through the cooperation between the auxiliary triangular fixing plate (12) and the second bolt (14); a moving rod fixing plate (18) is provided on the outer wall of the top end of the moving rod (2); a top beam fixing bolt (19) is provided on the outer side of the moving rod fixing plate (18); the top surfaces of the two moving rods (2) and the bottom ends of the top beam (1) are connected through the moving rod fixing plate (18) and The top beam fixing bolts (19) are connected by cooperation, an auxiliary support frame connecting plate (20) is provided on the top surface of the auxiliary support frame (13), and auxiliary support frame connecting plate fixing bolts are provided on the outer side of the auxiliary support frame connecting plate (20). The top surfaces of the two auxiliary support frames (13) are fixedly mounted on the bottom surface of the top beam (1) through the cooperation between the auxiliary support frame connecting plate (20) and the auxiliary support frame connecting plate fixing bolts. The bottom surfaces of both ends of the fixed connecting frame (16) are provided with pulley brackets (21), and the bottom surface of the pulley bracket (21) is provided with a universal pulley (22).

2. The gantry crane leg according to claim 1, characterized in that: The number of the first fixing plates (8) is two, and the number of the second fixing plates (9) is two. The two first fixing plates (8) are symmetrically mounted on the top ends of the outer walls of the two fixing support frames (7) through first bolts (11). The two second fixing plates (9) are symmetrically mounted on the outer walls of the two fixing support frames (7) through first bolts (11). The two first fixing plates (8) are located above the two second fixing plates (9).

3. The gantry crane leg according to claim 1, characterized in that: The outer sides of the fixed adjustment hole (4) and the fixed plate adjustment hole (10) are both provided with adjustment bolts (6), the adjustment bolts (6) penetrate the inside of the fixed adjustment hole (4) and the fixed plate adjustment hole (10), the aperture size of the fixed adjustment hole (4) matches the aperture size of the fixed plate adjustment hole (10), and the second fixed plate (9) is connected to the bottom end of the fixed rod (3) through the cooperation between the fixed plate adjustment hole (10) and the adjustment bolts (6).

4. The gantry crane leg according to claim 1, characterized in that: The movable adjustment holes (5) are in a plurality of numbers, and the plurality of movable adjustment holes (5) are arranged on the outer wall of the movable rod (2) from top to bottom. The aperture size of the movable adjustment holes (5) matches the aperture size of the fixed adjustment holes (4), and the aperture size of the movable adjustment holes (5) matches the aperture size of the fixed plate adjustment holes (10).

5. The gantry crane leg according to claim 1, characterized in that: The auxiliary triangular fixing plate (12) adopts a triangular clamping plate structure, and the second bolt (14) passes through the auxiliary triangular fixing plate (12) and is arranged on the outer wall of the bottom end of the moving rod (2) and the auxiliary support frame (13).

6. The gantry crane leg according to claim 1, characterized in that: The connecting triangle fixing plate (15) adopts a triangular clamping plate structure, and the two ends of the fixed connecting frame (16) are connected to the bottom surfaces of the two fixed support frames (7) through the cooperation between the connecting triangle fixing plate (15) and the third bolt (17).

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