Space truss type portal crane

Abstract

The utility model discloses a space truss type portal crane, and relates to the technical field of space truss type portal cranes, in particular to the space truss type portal crane which comprises a main beam block and a supporting beam, a through groove is formed in the front face of the main beam block, connecting steel and oblique angle steel are fixedly installed in the through groove, a splicing mechanism is arranged on the main beam block, and the supporting beam is arranged on the main beam block. The bottom of the main beam block is provided with a mounting plate and a hoisting seat, the bottom of the supporting beam is fixedly connected with a moving seat, the top of the moving seat is fixedly provided with a driving motor, the output end of the driving motor is fixedly connected with a driving shaft, the side face of the moving seat is rotationally connected with a wheel shaft, and a transmission belt is in transmission connection between the driving shaft and the wheel shaft. Moving wheels are fixedly mounted on the wheel axles, mounting grooves are formed in the bottom of the moving seat, supporting plates are fixedly connected to the front face and the rear face of the moving seat, fixing mechanisms are arranged on the supporting plates, overall movement can be facilitated due to the arrangement of the moving mechanisms, and the main beam can be split, spliced and mounted due to the arrangement of the splicing mechanisms so that follow-up maintenance can be facilitated.

Description

Technical Field

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

[0002] Truss gantry crane is an important material handling equipment, widely used in open-air places such as civil construction, machinery manufacturing, water conservancy and hydropower. The weight of the gantry steel structure of the truss gantry crane often accounts for more than 80% of the weight of the whole machine. It is an important part of the design of the entire crane engineering system. Therefore, the rationality and safety and reliability of the steel structure design directly determine the working capacity and quality of the crane, especially the main beam structure as the load-bearing carrier is crucial.

[0003] A space truss gantry crane disclosed in the Chinese utility model patent application disclosure specification CN218560909U, although the space truss gantry crane has the advantages of conveniently reminding the staff that the lifting rope is tilted and effectively avoiding damage to the electric hoist, the space truss gantry crane still has disadvantages: First, the crossbeam of the space truss gantry crane is an integrated setting. In actual use, the crossbeam is large in size and heavy in weight, which may not be very convenient to transport and carry. If the crossbeam is deformed and damaged at a certain place during transportation, the entire structure can only be replaced, which has high maintenance costs. Second, the bottom of the space truss gantry crane is fixedly installed. In actual use, if a short-distance mobile operation is required, the device may not be able to meet the demand in time, and the overall work efficiency is low if it needs to be moved. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a space truss gantry crane, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a space truss gantry crane, including a main beam block and a support beam, a through groove is opened on the front of the main beam block, and connecting steel and bevel steel are fixedly installed inside the through groove, a splicing mechanism is arranged on the main beam block, a mounting plate and a lifting seat are arranged at the bottom of the main beam block, and mounting bolts are threadedly connected on the mounting plate, a moving seat is fixedly connected to the bottom of the support beam, a driving motor is fixedly installed on the top of the moving seat, a driving shaft is fixedly connected to the output end of the driving motor, a wheel shaft is rotatably connected to the side of the moving seat, a transmission belt is transmission-connected between the driving shaft and the wheel shaft, a moving wheel is fixedly installed on the wheel shaft, a mounting groove is opened at the bottom of the moving seat, a support plate is fixedly connected to the front and rear surfaces of the moving seat, a fixing mechanism is arranged on the support plate, connecting edges are fixedly connected to the two side surfaces of the lifting seat, and fixing bolts are threadedly connected on the connecting edge, a moving groove is opened at the bottom of the lifting seat, a partition is fixedly installed inside the moving groove, and a lifting mechanism is arranged inside the moving groove.

[0008] Optionally, the through slot runs through the entire main beam block, the connecting steel is welded to the inner top of the through slot, the bevel steels are two left and right figure eights, and the two ends of the two bevel steels are respectively welded to the bottom of the connecting steel and the inner bottom of the through slot.

[0009] Optionally, the splicing mechanism includes a connecting block and connecting bolts, the main beam block is provided in multiple arrangements, the connecting block is L-shaped and is symmetrically fixed at the connection between the two main beam blocks in upper and lower parts, the connecting bolts are threadedly connected to the connecting block, and the connecting block is fixedly mounted on the main beam block via the connecting bolts.

[0010] Optionally, the mounting plate is fixedly mounted on the bottom of the two outermost main beam blocks by mounting bolts, the support beam is fixedly connected to the bottom of the mounting plate, the wheel axle is connected to the inner wall of the mounting groove for multiple rotations, one end of the transmission belt is connected to the end of the centermost wheel axle and the transmission belt is located outside the movable seat.

[0011] Optionally, the fixing mechanism includes a hydraulic cylinder, a telescopic rod and a support seat, the hydraulic cylinder is fixedly mounted on the top of the support plate, the top end of the telescopic rod is slidably connected to the bottom output end of the hydraulic cylinder, and the support seat is fixedly connected to the bottom end of the telescopic rod.

[0012] Optionally, the lifting seat is fixedly installed on the bottom of the main beam block by fixing bolts, the length of the lifting seat is greater than the total length of the four main beam blocks, and the lifting mechanism includes a rotating motor, a threaded rod, a moving block, an electric hoist and a hook.

[0013] Optionally, the rotating motor is fixedly mounted on the inner wall of the movable groove and is located on the left side of the partition, the threaded rod is rotatably connected to the side of the partition, a movable block is threadedly connected to the threaded rod, an electric hoist is fixedly connected to the bottom of the movable block, a hook is fixedly mounted on the bottom of the electric hoist, and the output end of the rotating motor is fixedly connected to the left end of the threaded rod.

[0014] (III) Beneficial effects

[0015] The utility model provides a space truss gantry crane, which has the following beneficial effects:

[0016] 1. The space truss gantry crane, through the setting of the driving motor, makes the space truss gantry crane have the effect of being more convenient to drive and move. Through the coordinated setting of the moving seat and the moving wheels, the entire device can be moved very conveniently during use, thereby facilitating use and achieving the purpose of improving work efficiency.

[0017] 2. The space truss gantry crane, through the setting of hydraulic cylinders, has the effect of convenient fixed installation and use. Through the coordinated setting of the main beam block and the connecting block, the main beam can be split into multiple units for splicing and installation during use, which facilitates subsequent maintenance and achieves the purpose of improving utilization efficiency and saving resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the utility model;

[0022] Figure 5 It is a schematic diagram of the structure of the utility model.

[0023] In the figure: 1. main beam block; 2. support beam; 3. through groove; 4. connecting steel; 5. bevel steel; 6. connecting block; 7. connecting bolt; 8. mounting plate; 9. mounting bolt; 10. moving seat; 11. driving motor; 12. driving shaft; 13. wheel axle; 14. transmission belt; 15. moving wheel; 16. mounting groove; 17. support plate; 18. hydraulic cylinder; 19. telescopic rod; 20. supporting seat; 21. lifting seat; 22. connecting edge; 23. fixing bolt; 24. moving groove; 25. rotating motor; 26. partition; 27. threaded rod; 28. moving block; 29. ​​electric hoist; 30. hook. DETAILED DESCRIPTION

[0024] 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.

[0025] Embodiment 1:

[0026] See also Figures 1 to 5The utility model provides a technical solution: a space truss gantry crane, including a main beam block 1 and a support beam 2. A through slot 3 is opened on the front of the main beam block 1. The through slot 3 runs through the entire main beam block 1. The connecting steel 4 is welded on the inner top of the through slot 3. The bevel steel 5 is two left and right in an eight-shaped shape. The two ends of the two bevel steels 5 are respectively welded to the bottom of the connecting steel 4 and the inner bottom of the through slot 3. The arrangement of the connecting steel 4 and the bevel steel 5 can make the installation and connection of the main beam block 1 more stable. The inner part of the through slot 3 is The connecting steel 4 and the bevel steel 5 are fixedly installed. The main beam block 1 is provided with a splicing mechanism, which includes a connecting block 6 and a connecting bolt 7. The main beam block 1 is provided with multiple settings. The connecting block 6 is L-shaped and is symmetrically fixed at the connection of the two main beam blocks 1. The connecting bolt 7 is threadedly connected to the connecting block 6. The connecting block 6 is fixedly installed on the main beam block 1 through the connecting bolt 7. The setting of the splicing mechanism can very conveniently splice and install the main beam blocks 1 together. The bottom of the main beam block 1 is provided with a mounting plate 8 The lifting seat 21 is provided with a mounting bolt 9, and the two side surfaces of the lifting seat 21 are fixedly connected with a connecting edge 22, and the connecting edge 22 is threadedly connected with a fixing bolt 23. The lifting seat 21 is fixedly installed on the bottom of the main beam block 1 by the fixing bolt 23. The length of the lifting seat 21 is greater than the total length of the four main beam blocks 1. The lifting mechanism includes a rotating motor 25, a threaded rod 27, a moving block 28, an electric hoist 29 and a hook 30. The bottom of the lifting seat 21 is provided with a moving groove 24. A partition 26 is fixedly installed inside the movable groove 24, a lifting mechanism is provided inside the movable groove 24, a rotating motor 25 is fixedly installed on the inner wall of the movable groove 24 and is located on the left side of the partition 26, a threaded rod 27 is rotatably connected to the side of the partition 26, a moving block 28 is threadedly connected to the threaded rod 27, an electric hoist 29 is fixedly connected to the bottom of the moving block 28, a hook 30 is fixedly installed at the bottom of the electric hoist 29, and the output end of the rotating motor 25 is fixedly connected to the left end of the threaded rod 27.

[0027] When using the space truss gantry crane, firstly, multiple main beam blocks 1 can be spliced ​​and installed through the connecting blocks 6 and the connecting bolts 7, and then the mounting plate 8 and the support beam 2 can be fixedly installed on the bottom of the main beam block 1 through the mounting bolts 9, and then the lifting seat 21 can be fixedly installed on the bottom of the main beam block 1 through the fixing bolts 23. At this time, the overall installation of the crane can be completed, and then the crane can be moved to the work site through the moving mechanism. After it is fixed, the electric hoist 29 can be started to lift the goods through the hook 30, and the rotating motor 25 can be started to drive the threaded rod 27 to rotate, thereby prompting the moving block 28 and the electric hoist 29 to move horizontally for lifting operations. The setting of the connecting steel 4 and the bevel steel 5 can make the main beam block 1 more stable and have stronger supporting force when in use, and it is very convenient to use and easy to operate.

[0028] Embodiment 2:

[0029] See also Figures 1 to 5 The utility model provides a technical solution: a space truss gantry crane, the bottom of the support beam 2 is fixedly connected to a moving seat 10, the top of the moving seat 10 is fixedly installed with a driving motor 11, the output end of the driving motor 11 is fixedly connected to a driving shaft 12, the side of the moving seat 10 is rotatably connected to a wheel shaft 13, and a transmission belt 14 is connected between the driving shaft 12 and the wheel shaft 13. The mounting plate 8 is fixedly mounted on the bottom of the two outermost main beam blocks 1 by mounting bolts 9, the support beam 2 is fixedly connected to the bottom of the mounting plate 8, the wheel shaft 13 is rotatably connected to the inner side wall of the mounting groove 16, one end of the transmission belt 14 is connected to the end of the most central wheel shaft 13 and the transmission belt 14 is located The outside of the mobile base 10 and the setting of the bottom mobile wheels 15 can make the overall device easy to move. The mobile wheels 15 are fixedly installed on the wheel axle 13. A mounting groove 16 is opened at the bottom of the mobile base 10. Support plates 17 are fixedly connected to the front and rear surfaces of the mobile base 10. A fixing mechanism is set on the support plate 17. The fixing mechanism includes a hydraulic cylinder 18, a telescopic rod 19 and a support base 20. The hydraulic cylinder 18 is fixedly installed on the top of the support plate 17, and the top end of the telescopic rod 19 is slidably connected to the bottom output end of the hydraulic cylinder 18. The support base 20 is fixedly connected to the bottom end of the telescopic rod 19. The setting of the fixing mechanism can make the device stable in place when in use, which is convenient to use.

[0030] When using the space truss gantry crane, when the crane as a whole needs to be moved, the hydraulic cylinder 18 can be started to drive the telescopic rod 19 and the bottom support seat 20 to move upward, so that the moving wheel 15 can be in contact with the ground, and then the drive motor 11 can be started to drive the drive shaft 12 and the wheel shaft 13 through the transmission belt 14 to rotate, thereby causing the entire moving wheel 15 to rotate, so that the crane can be moved. When it moves to the work site, the hydraulic cylinder 18 can be started again to drive the telescopic rod 19 and the support seat 20 to move downward, and the entire crane can be supported and fixed in place, which is convenient for subsequent lifting operations. It is very convenient to use and easy to operate.

[0031] The above description 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 replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A space truss gantry crane, comprising a main beam block (1) and a support beam (2), characterized in that: The main beam block (1) is provided with a through slot (3) on the front side, and a connecting steel (4) and an angled steel (5) are fixedly installed inside the through slot (3). The main beam block (1) is provided with a splicing mechanism, and a mounting plate (8) and a lifting seat (21) are provided at the bottom of the main beam block (1). The mounting plate (8) is threadedly connected with mounting bolts (9). The bottom of the support beam (2) is fixedly connected with a moving seat (10), and a driving motor (11) is fixedly installed on the top of the moving seat (10). The output end of the driving motor (11) is fixedly connected with a driving shaft (12), and the side of the moving seat (10) is rotatably connected with a wheel shaft (13), and the driving shaft (12) and the wheel shaft (13) are connected to the wheel shaft (13). A transmission belt (14) is connected between the wheel axles (13), a moving wheel (15) is fixedly mounted on the wheel axle (13), a mounting groove (16) is provided at the bottom of the moving seat (10), a support plate (17) is fixedly connected to the front and rear surfaces of the moving seat (10), a fixing mechanism is provided on the support plate (17), connecting edges (22) are fixedly connected to the two side surfaces of the hanging seat (21), fixing bolts (23) are threadedly connected to the connecting edges (22), a moving groove (24) is provided at the bottom of the hanging seat (21), a partition plate (26) is fixedly mounted inside the moving groove (24), and a hanging mechanism is provided inside the moving groove (24).

2. A space truss gantry crane according to claim 1, characterized in that: The through groove (3) runs through the entire main beam block (1), the connecting steel (4) is welded to the inner top of the through groove (3), the bevel steel (5) is two left and right bevel steels (5) in an eight-shaped shape, and the two ends of the two bevel steels (5) are respectively welded to the bottom of the connecting steel (4) and the inner bottom of the through groove (3).

3. A space truss gantry crane according to claim 1, characterized in that: The splicing mechanism comprises a connecting block (6) and a connecting bolt (7); the main beam block (1) is provided in a plurality; the connecting block (6) is L-shaped and is symmetrically fixedly mounted at the connection of the two main beam blocks (1) in an upper and lower manner; the connecting bolt (7) is threadedly connected to the connecting block (6); and the connecting block (6) is fixedly mounted on the main beam block (1) via the connecting bolt (7).

4. A space truss gantry crane according to claim 1, characterized in that: The mounting plate (8) is fixedly mounted on the bottom of the two outermost main beam blocks (1) by means of mounting bolts (9); the support beam (2) is fixedly connected to the bottom of the mounting plate (8); the wheel axle (13) is rotatably connected to the inner wall of the mounting groove (16); one end of the transmission belt (14) is connected to the end of the centermost wheel axle (13) and the transmission belt (14) is located outside the moving seat (10).

5. The space truss gantry crane according to claim 1, characterized in that: The fixing mechanism comprises a hydraulic cylinder (18), a telescopic rod (19) and a support seat (20); the hydraulic cylinder (18) is fixedly mounted on the top of the support plate (17); the top end of the telescopic rod (19) is slidably connected to the bottom output end of the hydraulic cylinder (18); and the support seat (20) is fixedly connected to the bottom end of the telescopic rod (19).

6. A space truss gantry crane according to claim 1, characterized in that: The lifting seat (21) is fixedly mounted on the bottom of the main beam block (1) by means of fixing bolts (23); the length of the lifting seat (21) is greater than the total length of the four main beam blocks (1); and the lifting mechanism comprises a rotating motor (25), a threaded rod (27), a moving block (28), an electric hoist (29), and a lifting hook (30).

7. A space truss gantry crane according to claim 6, characterized in that: The rotary motor (25) is fixedly mounted on the inner side wall of the movable groove (24) and is located on the left side of the partition (26); the threaded rod (27) is rotatably connected to the side surface of the partition (26); a movable block (28) is threadedly connected to the threaded rod (27); an electric hoist (29) is fixedly connected to the bottom of the movable block (28); a hook (30) is fixedly mounted to the bottom of the electric hoist (29); and an output end of the rotary motor (25) is fixedly connected to the left end of the threaded rod (27).

Images