Truss portal crane

Abstract

The utility model discloses a truss portal crane. The truss portal crane comprises a tripod and a supporting mechanism, triangular reinforcing ribs are evenly distributed in the triangular frame, a single chip microcomputer is arranged outside the triangular frame, a bottom side frame is arranged on the lower side face of the triangular frame, suspension grooves are symmetrically formed in the front portion and the rear portion of the upper surface of the bottom side frame, walking end beams are arranged in the two suspension grooves, and the upper surfaces of the two walking end beams are fixedly connected with a mounting plate. An electric hoist is arranged on the upper surface of the mounting plate, the input end of the electric hoist is electrically connected with the output end of the single chip microcomputer, and the input ends of the two walking end beams are electrically connected with the output end of the single chip microcomputer; the supporting mechanism comprises a fixing base, a rotating block, a side edge beam and connecting frames, the connecting frames are symmetrically and fixedly connected to the left side and the right side of the triangular frame correspondingly, the truss portal crane is simple and convenient in structure, supporting of the crane is completed through the firmness of plates, stability is better, and materials are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting, in particular to a truss 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. It is widely used in port cargo yards.

[0003] The existing truss gantry crane has two legs installed under the main beam, and this type of legs and legs adopt an integrated frame;

[0004] This type of truss gantry crane using an integrated frame has some minor problems. For example, the integrated frame design does not fully utilize the solidity of the plate, the structure is relatively bulky, and materials may be wasted. For this reason, we propose a truss gantry crane. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a truss gantry crane with reasonable structure and good support, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a truss gantry crane, comprising a tripod and a supporting mechanism;

[0007] Tripod: It is provided with evenly distributed triangular reinforcement ribs inside, a single-chip microcomputer is provided outside the tripod, a bottom side frame is provided on the lower side of the tripod, and the upper surface of the bottom side frame is provided with suspension grooves symmetrically front and back, and walking end beams are provided inside the two suspension grooves. The upper surfaces of the two walking end beams are fixedly connected to a mounting plate, and an electric hoist is provided on the upper surface of the mounting plate. The input end of the electric hoist is electrically connected to the output end of the single-chip microcomputer, and the input ends of the two walking end beams are electrically connected to the output ends of the single-chip microcomputer respectively. It has a simple structure and uses the solidity of the plate itself to support the crane, which has better stability and saves materials.

[0008] Furthermore, the supporting mechanism includes a fixed seat, a swivel block, a side beam and a connecting frame, the connecting frame is symmetrically fixedly connected to the left and right sides of the tripod, the front side and the rear side of the connecting frame are symmetrically fixedly connected to the fixed seat, the interior of the fixed seat is rotatably connected to the swivel block via a rotating shaft, the lower surface of the swivel block is provided with a side beam, and the lower ends of two laterally adjacent side beams are fixedly connected to a supporting leg to achieve the function of vertical support.

[0009] Furthermore, the support mechanism also includes a support main beam, and a support main beam is fixedly connected between every two laterally adjacent rotating blocks. The lower ends of the support main beams are fixedly connected to the upper surfaces of the support legs corresponding to the vertical positions, thereby realizing the function of dispersing the supporting force of the side beams.

[0010] Furthermore, the support mechanism also includes an inverted triangular reinforcement beam, which is evenly arranged between two laterally adjacent side beams. The outer surfaces of the inverted triangular reinforcement beams are fixedly connected to the mounting openings on the adjacent supporting main beams to achieve stability between the reinforced side beams and the supporting main beams.

[0011] Furthermore, the support mechanism also includes avoidance grooves and lap columns. The avoidance grooves are evenly arranged on the outer side surfaces of the supporting main beams, and the insides of the avoidance grooves are fixedly connected with lap columns to realize the function of installing lap plates.

[0012] Furthermore, the support mechanism also includes a lap plate, which is overlapped between every two longitudinally adjacent lap columns to enhance the stability between two longitudinally adjacent supporting main beams.

[0013] Furthermore, it also includes connecting steel cables, which are respectively fixedly connected to the upper side of the left side surface and the upper side of the right side surface of the tripod, and the lower ends of the four connecting steel cables are fixedly connected to the upper surface of the bottom side frame to achieve the function of stabilizing the bottom side frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the truss gantry crane has the following advantages:

[0015] When installing the crane, the distance between every two supporting legs is limited. At this time, lap plates of different lengths can be lapped onto every two longitudinally adjacent lap columns to complete the support between every two supporting main beams. At this time, every two groups of side beams are supported by the supporting main beams to complete the overall support. The structure is simple and the solidity of the plate itself is used to support the crane, which has better stability and saves materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is an enlarged structural diagram of the utility model at A;

[0018] Figure 3 This is an enlarged structural diagram of the utility model at B;

[0019] Figure 4 It is a schematic diagram of the structure of the lap plate of the utility model.

[0020] In the figure: 1 tripod, 2 connecting steel cable, 3 triangular reinforcement rib, 4 supporting mechanism, 41 fixing seat, 42 rotating block, 43 side beam, 44 supporting main beam, 45 avoiding groove, 46 lap column, 47 inverted triangular reinforcement beam, 48 lap plate, 49 connecting frame, 5 bottom side frame, 6 hanging groove, 7 walking end beam, 8 mounting plate, 9 electric hoist, 10 single chip microcomputer. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 ,This embodiment provides a technical solution: a truss gantry crane, including a tripod 1 and a supporting mechanism 4;

[0023] Tripod 1: Triangle reinforcement ribs 3 are evenly distributed inside, a single-chip microcomputer 10 is arranged outside the tripod 1, a bottom side frame 5 is arranged on the lower side of the tripod 1, and a hanging groove 6 is symmetrically opened on the upper surface of the bottom side frame 5. Walking end beams 7 are arranged inside the two hanging grooves 6. The walking end beams 7 are installed inside the hanging grooves 6 using the commonly used method in the prior art. The upper surfaces of the two walking end beams 7 are fixedly connected to a mounting plate 8. The upper surface of the mounting plate 8 is provided with an electric hoist 9. The input end of the electric hoist 9 is electrically connected to the output end of the single-chip microcomputer 10, and the input ends of the two walking end beams 7 are respectively electrically connected to the output ends of the single-chip microcomputer 10. The connecting steel cables 2 are respectively fixedly connected to the upper side of the left side surface and the upper side of the right side surface of the tripod 1. The lower ends of the four connecting steel cables 2 are fixedly connected to the upper surface of the bottom side frame 5. The single-chip microcomputer 10 is regulated to regulate the two walking end beams 7 to adjust the left and right positions in the hanging groove 6 at the same time. When the two walking end beams 7 move to the designated positions at the same time, the mounting plate 8 can be driven to move to the specified position. At this time, the single-chip microcomputer 10 is regulated, the electric hoist 9 is operated, and the hook of the electric hoist 9 moves downward. At this time, the heavy object can be lifted to complete the lifting operation. The walking end beam 7 is installed in the hanging groove 6 using the commonly used method in the prior art;

[0024] Support mechanism 4: The support mechanism 4 is fixedly connected to the outer side surface of the support mechanism 4. The support mechanism 4 includes a fixed seat 41, a rotating block 42, a side beam 43 and a connecting frame 49. The connecting frame 49 is symmetrically fixedly connected to the left and right sides of the tripod 1 respectively. The front side and the rear side of the connecting frame 49 are respectively symmetrically fixedly connected with the fixed seat 41. The interior of the fixed seat 41 is rotatably connected with the rotating block 42 through a rotating shaft. The lower surface of the rotating block 42 is provided with a side beam 43. The lower ends of two laterally adjacent side beams 43 are fixedly connected to a supporting leg. The support mechanism 4 also includes a supporting main beam 44. A supporting main beam 44 is fixedly connected between every two laterally adjacent rotating blocks 42. The lower ends of the supporting main beams 44 are fixedly connected to the upper surfaces of the supporting legs corresponding to the vertical positions. The support mechanism 4 also includes an inverted triangle reinforcement beam 47. The inverted triangle reinforcement beam 4 7 is evenly arranged between two laterally adjacent side beams 43, the outer surfaces of the inverted triangle reinforcement beams 47 are fixedly connected to the installation openings on the adjacent support main beams 44, the support mechanism 4 also includes an avoidance groove 45 and a lap column 46, the avoidance groove 45 is evenly opened on the outer side of the support main beam 44, the inside of the avoidance groove 45 is fixedly connected with the lap column 46, the support mechanism 4 also includes a lap plate 48, the lap plate 48 is respectively lapped between every two longitudinally adjacent lap columns 46, when the crane needs to be installed, it is placed on the designated work station, at this time, the distance between every two supporting legs is limited, at this time, the lap plates 48 of different lengths can be lapped to every two longitudinally adjacent lap columns 46, to complete the support between every two support main beams 44, at this time, every two groups of side beams 43 are supported by the support main beams 44, to complete the support.

[0025] The working principle of a truss gantry crane provided by the utility model is as follows: when the crane needs to be installed, it is placed on a designated workstation. At this time, the distance between every two supporting legs is limited. At this time, the lap plates 48 of different lengths can be lapped onto every two longitudinally adjacent lap columns 46 to complete the support between every two supporting main beams 44. At this time, every two groups of side beams 43 are supported by the supporting main beams 44 to complete the support. At this time, the single-chip microcomputer 10 can be adjusted, and the two walking end beams 7 can be adjusted to adjust the left and right positions in the hanging groove 6 at the same time. When the two walking end beams 7 move to the designated workstation at the same time, the installation plate 8 can be driven to move to the specified position. At this time, the single-chip microcomputer 10 can be adjusted, the electric hoist 9 can be operated, and the hook of the electric hoist 9 can be moved downward. At this time, the heavy object can be lifted to complete the lifting operation.

[0026] It is worth noting that the single chip microcomputer 10 disclosed in the above embodiment is specifically model S7-200, and the walking end beam 7 and the electric hoist 9 can be freely configured according to the actual application scenario. The walking end beam 7 is recommended to use the electric walking end beam of model EBS11-22, and the electric hoist 9 is recommended to use the HC type electric hoist. The single chip microcomputer 10 controls the walking end beam 7 and the electric hoist 9 using methods commonly used in the prior art.

[0027] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A truss gantry crane, characterized in that: It comprises a tripod (1) and a supporting mechanism (4); A tripod (1): the interior of the tripod is provided with evenly distributed triangular reinforcing ribs (3); the exterior of the tripod (1) is provided with a single chip microcomputer (10); the lower side of the tripod (1) is provided with a bottom side frame (5); the upper surface of the bottom side frame (5) is provided with hanging grooves (6) symmetrically arranged in front and back; the interiors of the two hanging grooves (6) are provided with walking end beams (7); the upper surfaces of the two walking end beams (7) are fixedly connected to a mounting plate (8); the upper surface of the mounting plate (8) is provided with an electric hoist (9); the input end of the electric hoist (9) is electrically connected to the output end of the single chip microcomputer (10); the input ends of the two walking end beams (7) are respectively electrically connected to the output ends of the single chip microcomputer (10); Support mechanism (4): fixedly connected to the outer side surface of the support mechanism (4).

2. A truss gantry crane according to claim 1, characterized in that: The support mechanism (4) comprises a fixed seat (41), a rotating block (42), a side beam (43) and a connecting frame (49); the connecting frame (49) is symmetrically fixedly connected to the left and right sides of the tripod (1); the front side and the rear side of the connecting frame (49) are respectively and symmetrically fixedly connected to the fixed seat (41); the interior of the fixed seat (41) is rotatably connected to the rotating block (42) via a rotating shaft; the lower surface of the rotating block (42) is provided with a side beam (43); the lower ends of two laterally adjacent side beams (43) are fixedly connected to a supporting leg.

3. A truss gantry crane according to claim 2, characterized in that: The support mechanism (4) further comprises a support main beam (44), each of which is fixedly connected between two laterally adjacent rotating blocks (42), and the lower end of the support main beam (44) is fixedly connected to the upper surface of the support leg corresponding to the vertical position.

4. A truss gantry crane according to claim 3, characterized in that: The support mechanism (4) further comprises an inverted triangular reinforcement beam (47), wherein the inverted triangular reinforcement beam (47) is evenly arranged between two laterally adjacent side beams (43), and the outer surface of the inverted triangular reinforcement beam (47) is fixedly connected to the mounting opening on the adjacent supporting main beam (44).

5. A truss gantry crane according to claim 4, characterized in that: The support mechanism (4) further comprises an avoidance groove (45) and a lap column (46); the avoidance groove (45) is evenly arranged on the outer side surface of the supporting main beam (44); and the inside of the avoidance groove (45) is fixedly connected with a lap column (46).

6. A truss gantry crane according to claim 5, characterized in that: The support mechanism (4) further comprises a lap plate (48), wherein the lap plate (48) is respectively lapped between every two longitudinally adjacent lap columns (46).

7. A truss gantry crane according to claim 1, characterized in that: It also includes connecting steel cables (2), which are respectively fixedly connected to the upper side of the left side surface and the upper side of the right side surface of the tripod (1), and the lower ends of the four connecting steel cables (2) are all fixedly connected to the upper surface of the bottom side frame (5).

Images