Electric hoist portal crane

Abstract

The utility model relates to the technical field of cranes, and discloses an electric hoist portal crane which comprises a crane fixing base and a lifting platform mechanism, the inner wall of the crane fixing base is fixedly connected with a lifting limiting rod, the inner wall of the crane fixing base is provided with a lifting platform body, and the lifting platform body is fixedly connected with a lifting limiting rod. The crane fixing base is fixedly connected with the lifting table body, the crane fixing base is slidably connected with the lifting table body, a connecting column is fixedly connected to the outer wall of the lifting table body, a sleeve hole limiting groove is formed in the inner wall of the connecting column, and the sleeve hole limiting groove is connected with the lifting limiting rod in a sleeving mode. According to the electric hoist portal crane, by arranging the lifting hook cable mechanism, the equipment can hook and drag materials, limiting holes are formed in the hook cable moving base block, the equipment can be limited in the moving process, the telescopic rod can drive the hook cable body to ascend and descend, and the fixed materials are not prone to falling off.

Description

Technical Field

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

[0002] Gantry crane is a kind of deformation of bridge crane, also called gantry crane. It is mainly used for loading and unloading of outdoor cargo yard, material yard cargo 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.

[0003] The existing electric hoist gantry crane can refer to the Chinese utility model patent with authorization announcement number CN203359827U, which discloses an electric hoist gantry crane, including two "L"-shaped support seats, and a crossbeam is installed between the tops of the two "L"-shaped support seats; a first roller is provided at the bottom end of the crossbeam, and the first roller is connected to the electric hoist, and a steel cable extends from the bottom of the electric hoist to connect the hook; the bottom end of the "L"-shaped support seat is provided with a second roller, and the second roller is located in the guide groove of the guide rail; both ends of the crossbeam are fixedly connected to the first hydraulic cylinder, and the telescopic rod of the first hydraulic cylinder and the first roller are located on the same horizontal plane.

[0004] In view of the above, although it avoids the problem of low safety and efficiency of the equipment during operation, during the use of the equipment, the equipment cannot lift and transfer materials, and the equipment is prone to deviations in the process of transferring materials. In view of this, how to solve the problem of material lifting and deviations in the lifting process is the technical point that the utility model needs to solve. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an electric hoist gantry crane, which has the advantages of strong practicability and good stability, and solves the problem of material lifting and deviation that is prone to occur during the lifting process.

[0006] The utility model provides the following technical solutions: an electric hoist gantry crane, comprising a crane fixed base and a lifting platform mechanism, the inner wall of the crane fixed base is fixedly connected with a lifting limit rod, the inner wall of the crane fixed base is provided with a lifting platform body, and the crane fixed base and the lifting platform body are slidingly connected, the outer wall of the lifting platform body is fixedly connected with a connecting column, the inner wall of the connecting column is provided with a sleeve hole limit groove, and the sleeve hole limit groove is sleeved with the lifting limit rod.

[0007] As a preferred technical solution of the utility model, the bottom of the crane fixed base is fixedly connected to a support plate, the top of the crane fixed base is fixedly connected to a closed cover plate, and the crane fixed bases are symmetrically distributed on the outer walls of both sides of the lifting platform mechanism.

[0008] As a preferred technical solution of the utility model, the outer wall of the crane fixed base is fixedly connected to a transverse driving motor, the outer wall of the lifting platform mechanism is provided with a crane transfer platform, the outer wall of the crane transfer platform is fixedly connected to a hook rope mechanism driving motor, and the lifting platform mechanism and the crane transfer platform are slidably connected, and the outer wall of the crane transfer platform is provided with a lifting hook rope mechanism.

[0009] As a preferred technical solution of the utility model, a single-chip microcomputer controller is fixedly connected to the outer wall of the fixed base of the crane, and the single-chip microcomputer controller is electrically connected to the lifting drive motor, the lateral drive motor, and the hook mechanism drive motor.

[0010] As a preferred technical solution of the utility model, the inner wall of the crane transfer platform is sleeved with a hook cable moving base block, and the hook cable moving base block is slidably connected to the crane transfer platform, a limiting hole is provided on the outer wall of the hook cable moving base block, a telescopic rod is fixedly connected to the outer wall of the hook cable moving base block, and the telescopic rod is fixedly connected to the hook cable body on the side away from the hook cable moving base block.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The electric hoist gantry crane is equipped with a lifting hook rope mechanism so that the equipment can hook and pull materials, and the limit holes arranged on the hook rope moving base block enable the equipment to be limited during movement, and the telescopic rod can drive the hook rope body to rise and fall, so that the fixed materials are not easy to fall off.

[0013] 2. The electric hoist gantry crane is provided with a lifting platform mechanism, and through the sleeve connection between the lifting platform mechanism and the lifting limit rod, the lifting limit rod can limit the lifting platform mechanism, and the connecting column can increase the contact area with the fixed base of the crane, thereby avoiding the displacement of the lifting platform mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of an electric hoist gantry crane;

[0015] Figure 2 It is a left view of an electric hoist gantry crane;

[0016] Figure 3 It is a structural schematic diagram of a lifting platform mechanism in an electric hoist gantry crane;

[0017] Figure 4 The present invention is a structural schematic diagram of a lifting hook rope mechanism in an electric hoist gantry crane.

[0018] In the figure: 1. Crane fixed base; 2. Support plate; 3. Horizontal drive motor; 4. Closing cover plate; 5. Lifting drive motor; 6. Lifting platform mechanism; 61. Lifting platform body; 62. Connecting column; 63. Hole limit slot; 7. Crane transfer platform; 8. Hook cable mechanism drive motor; 9. Single chip microcomputer controller; 10. Lifting hook cable mechanism; 101. Hook cable moving base block; 102. Limit hole; 103. Telescopic rod; 104. Hook cable body; 11. Lifting limit rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4An electric hoist gantry crane comprises a crane fixed base 1 and a lifting platform mechanism 6, wherein a lifting limit rod 11 is fixedly connected to the inner wall of the crane fixed base 1, a lifting platform body 61 is arranged on the inner wall of the crane fixed base 1, and the crane fixed base 1 and the lifting platform body 61 are slidably connected, a connecting column 62 is fixedly connected to the outer wall of the lifting platform body 61, a sleeve hole limit groove 63 is arranged on the inner wall of the connecting column 62, and the sleeve hole limit groove 63 is sleeved with the lifting limit rod 11, wherein the connecting column 62 can facilitate the position displacement of the equipment during lifting, and the sleeve connection between the lifting limit rod 11 and the sleeve hole limit groove 63 can facilitate the fixing of the equipment, and the bottom of the crane fixed base 1 A support plate 2 is fixedly connected, a closed cover plate 4 is fixedly connected to the top of the crane fixed base 1, and the crane fixed base 1 is symmetrically distributed on the outer walls of both sides of the lifting platform mechanism 6, wherein the setting of the support plate 2 can provide a stable supporting force for the equipment and can improve the stability of the equipment during operation, and the crane fixed base 1 symmetrically distributed outside the lifting platform mechanism 6 can increase the support stability of the equipment, a transverse driving motor 3 is fixedly connected to the outer wall of the crane fixed base 1, a crane transfer platform 7 is provided on the outer wall of the lifting platform mechanism 6, a hook mechanism driving motor 8 is fixedly connected to the outer wall of the crane transfer platform 7, and the lifting platform mechanism 6 is slidably connected to the crane transfer platform 7, and the outer wall of the crane transfer platform 7 A lifting hook cable mechanism 10 is provided, wherein the hook cable mechanism driving motor 8 can drive the lifting hook cable mechanism 10 to slide in the crane transfer platform 7, and the crane transfer platform 7 can also limit the lifting hook cable mechanism 10, and the transverse driving motor 3 can also drive the crane transfer platform 7 to slide in the lifting platform mechanism 6, and the outer wall of the crane fixed base 1 is fixedly connected with a single-chip controller 9, and the single-chip controller 9 is electrically connected to the lifting drive motor 5, the transverse drive motor 3, and the hook cable mechanism drive motor 8, wherein the control chip in the single-chip controller 9 can directly control the chips in the lifting drive motor 5, the transverse drive motor 3, and the hook cable mechanism drive motor 8, so that the operator can perform the lifting and lowering operations in the later stage. When working, the operation of the equipment can be controlled directly by pressing the single-chip controller 9. The inner wall of the crane transfer platform 7 is sleeved with a hook cable moving base block 101, and the hook cable moving base block 101 is slidably connected to the crane transfer platform 7. A limiting hole 102 is provided on the outer wall of the hook cable moving base block 101. A telescopic rod 103 is fixedly connected to the outer wall of the hook cable moving base block 101. The telescopic rod 103 is fixedly connected to a hook cable body 104 on the side away from the hook cable moving base block 101. The telescopic rod 103 can drive the material carried on the hook cable body 104 to be lifted and lowered, and through the sliding connection between the hook cable moving base block 101 and the crane transfer platform 7, the equipment can effectively avoid the displacement of the material.

[0021] Working principle: when the equipment needs to be used, the carrying device is placed on the hook cable body 104, and then the operator controls the equipment by pressing the single-chip controller 9, so that the lifting drive motor 5 and the horizontal drive motor 3 can drive the crane transfer platform 7 to lift and move, and the hook cable mechanism drive motor 8 can also drive the items carried on the hook cable body 104 to move.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric hoist gantry crane, comprising a crane fixed base (1) and a lifting platform mechanism (6), characterized in that: The inner wall of the crane fixed base (1) is fixedly connected with a lifting limit rod (11), the inner wall of the crane fixed base (1) is provided with a lifting platform body (61), and the crane fixed base (1) and the lifting platform body (61) are slidably connected, the outer wall of the lifting platform body (61) is fixedly connected with a connecting column (62), the inner wall of the connecting column (62) is provided with a sleeve hole limit groove (63), and the sleeve hole limit groove (63) and the lifting limit rod (11) are sleeved.

2. The electric hoist gantry crane according to claim 1, characterized in that: The bottom of the crane fixed base (1) is fixedly connected to a support plate (2), the top of the crane fixed base (1) is fixedly connected to a closed cover plate (4), and the crane fixed base (1) is symmetrically distributed on the outer walls of both sides of the lifting platform mechanism (6).

3. The electric hoist gantry crane according to claim 2, characterized in that: The outer wall of the crane fixed base (1) is fixedly connected to a transverse driving motor (3), the outer wall of the lifting platform mechanism (6) is provided with a crane transfer platform (7), the outer wall of the crane transfer platform (7) is fixedly connected to a hook mechanism driving motor (8), and the lifting platform mechanism (6) and the crane transfer platform (7) are slidably connected, and the outer wall of the crane transfer platform (7) is provided with a lifting hook mechanism (10).

4. The electric hoist gantry crane according to claim 3, characterized in that: A single-chip microcomputer controller (9) is fixedly connected to the outer wall of the crane fixed base (1), and the single-chip microcomputer controller (9) is electrically connected to the lifting drive motor (5), the lateral drive motor (3), and the hook mechanism drive motor (8).

5. The electric hoist gantry crane according to claim 3, characterized in that: The inner wall of the crane transfer platform (7) is sleeved with a hook cable moving base block (101), and the hook cable moving base block (101) is slidably connected to the crane transfer platform (7). A limiting hole (102) is provided on the outer wall of the hook cable moving base block (101). A telescopic rod (103) is fixedly connected to the outer wall of the hook cable moving base block (101). The telescopic rod (103) is fixedly connected to a hook cable body (104) on a side away from the hook cable moving base block (101).

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