Cantilever crane of mobile small crane

Abstract

The utility model discloses a cantilever crane of a movable small crane, and belongs to the technical field of material transshipment, the cantilever crane of the movable small crane comprises a frame, crawler belts are rotatably mounted on both sides of the outer part of the frame, a mounting seat is mounted on one side of the top surface of the frame, and a movable seat capable of reciprocating motion is mounted in the frame; a pile is installed on the top face of the movable base, and a rotatable rotating frame is installed above the movable base. Crawler belts are rotatably installed on the two sides of the outer portion of the vehicle frame, the crawler belts can drive the device to move, an installation base is installed on one side of the top face of the vehicle frame, a movable base capable of doing reciprocating motion is installed in the vehicle frame, a pile is installed on the movable base, a rotating frame is rotatably installed on the pile, a two-section type folding hanging rod is rotatably installed on the rotating frame, and a hanging tool is installed at the hanging head position of the two-section type folding hanging rod. Materials at different positions can be hoisted through translation of the moving seat, rotation of the rotating frame, bending of the two-section type folding hoisting rod and lifting of the hoisting tool, the limitation of regions is relieved, and the practicability and functionality of the equipment are improved.

Description

Technical Field

[0001] The present application belongs to the technical field of material transfer, and in particular to a cantilever crane of a mobile small crane. Background Art

[0002] Balance crane is a new type of material lifting equipment. It adopts a unique spiral lifting mechanism to lift heavy objects. It is a mechanical equipment that replaces manual labor to reduce labor intensity. Balance crane makes the movement smooth with its "balanced gravity". The operation is labor-saving and simple. It is particularly suitable for job processes with frequent handling and assembly. It can greatly reduce labor intensity and improve work efficiency.

[0003] In the existing construction machinery, the lifting device is bulky, and it is inconvenient to use for lifting a small amount of heavy objects. It is often carried by manpower, which is time-consuming and labor-intensive. In addition, the existing small cranes are generally fixed at a designated position and can only lift materials at the designated position; or the lifting device is installed on a movable base. However, this structure is relatively simple and has low practicality and functionality. Based on this, the present application proposes a cantilever crane of a mobile small crane to solve the above problems. Utility Model Content

[0004] The purpose of the present application is to propose a cantilever crane for a mobile small crane in order to solve the above-mentioned related problems.

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

[0006] The cantilever crane of a mobile small crane includes a frame, crawlers are rotatably installed on both sides of the outside of the frame, a mounting seat is installed on one side of the top surface of the frame, a movable seat that can reciprocate is installed inside the mounting seat, a pile is installed on the top surface of the movable seat, a rotatable rotating frame is installed above the pile, a first connecting rod is rotatably installed on the rotating frame, a second connecting rod is rotatably installed on the outer end of the first connecting rod, and a hydraulic cylinder is rotatably installed between the two, the three form a triangle, and a lifting device that can be raised and lowered is installed on the outer end of the second connecting rod.

[0007] As a further description of the above technical solution:

[0008] A lower hoop seat and an upper hoop seat are installed on one side of the outer side of the mounting seat, a power output assembly is installed between the lower hoop seat and the upper hoop seat, a screw rod is installed at the output end of the assembly, the screw rod passes through the moving seat, and the two are threadedly matched.

[0009] As a further description of the above technical solution:

[0010] A servo motor is installed on one side of the pile column, and a bevel gear set is installed on the output end of the servo motor. The bevel gear set is located inside the pile column, a rotating seat is installed on the outside of the bevel gear set, and the rotating frame is installed on the top surface of the rotating seat.

[0011] As a further description of the above technical solution:

[0012] Two vertical plates are installed on one side of the top surface of the rotating frame, and a gear driven by a micro motor is installed on the outside of one of the vertical plates. The first connecting rod is rotatably installed between the two vertical plates, and a face gear is installed on the outside of the first connecting rod, which meshes with the gear.

[0013] As a further description of the above technical solution:

[0014] Arc-shaped guide plates are installed on both sides of one end of the rotating frame away from the outer surface of the vertical plate, and pins are installed on both sides of the rear end of the first connecting rod, which are respectively slidably matched with the two guide plates.

[0015] As a further description of the above technical solution:

[0016] A wire reel is installed outside the first connecting rod, and a steel cable is installed on the lifting device and is wound around the wire reel.

[0017] As a further description of the above technical solution:

[0018] Both ends of the exterior of the hydraulic cylinder are provided with rotating seats, which are respectively rotatably matched with the first connecting rod and the second connecting rod.

[0019] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0020] The frame is the main body of the equipment. Crawler tracks are rotatably installed on both sides of the outside of the frame, and the equipment can be driven to move by the crawler tracks. A mounting seat is installed on one side of the top surface of the frame, and a reciprocating movable seat is installed inside the mounting seat. A pile is installed on the movable seat, and a rotating frame is rotatably installed on the pile. A two-stage folding boom is rotatably installed on the rotating frame, and a sling is installed at the lifting head position. Materials at different positions can be hoisted by moving the movable seat horizontally, rotating the rotating frame, bending the two-stage folding boom and lifting the sling, which eliminates geographical limitations and increases the practicality and functionality of the equipment.

[0021] Among them, the two-stage folding boom is driven to rotate as a whole by a set of face gear sets, which can raise the height of the material, and the transmission is smooth and self-locking can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a first-view schematic diagram of the overall structure in this application;

[0023] Figure 2 A second perspective schematic diagram of the overall structure in this application;

[0024] Figure 3For this application Figure 1 A schematic cross-sectional structure diagram of ;

[0025] Figure 4 This is a first-view schematic diagram of the overall structure of the mounting base in this application;

[0026] Figure 5 A second perspective schematic diagram of the overall structure of the mounting base in this application;

[0027] Figure 6 This is a schematic diagram of the internal structure of the pile in this application;

[0028] Figure 7 It is a schematic diagram of the overall structure of the rotating frame in this application;

[0029] Figure 8 This is a schematic diagram of the overall structure of the first connecting rod in this application.

[0030] In the figure:

[0031] 1. Frame; 2. Track; 3. Mounting seat; 4. Power output assembly; 5. Pile; 6. Rotating frame; 7. First connecting rod; 8. Second connecting rod; 9. Rotating seat; 10. Hydraulic cylinder; 11. Spinning device; 12. Winder; 13. Face gear; 14. Gear; 15. Micro motor; 16. Bevel gear set; 17. Servo motor; 18. Moving seat; 19. Rotating seat; 20. Screw; 21. Lower hoop seat; 22. Upper hoop seat; 23. Limiting sleeve; 24. Guide plate; 25. Vertical plate; 26. Fixed plate; 27. U-shaped seat. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0033] See also Figure 1-8 The present application provides a technical solution: a cantilever crane of a mobile small crane, comprising a frame 1, crawlers 2 are rotatably installed on both sides of the outside of the frame 1, the device can be driven to move by the crawlers 2, and the force-bearing area of ​​the crawlers 2 is large, which improves its carrying capacity, a mounting seat 3 is installed on one side of the top surface of the frame 1, and a reciprocating movable seat 18 is installed inside the mounting seat 3, the cantilever crane is installed on the movable seat 18, and the position of the cantilever crane can be adjusted according to actual conditions, thereby increasing its functionality of use.

[0034] A pile column 5 is installed on the top surface of the movable seat 18, and a rotating seat 19 is rotatably installed above it. A rotating frame 6 is installed on the top surface of the rotating seat 19, and a first connecting rod 7 is rotatably installed on the rotating frame 6, and a group of gears are installed between the two to realize the rotation of the first connecting rod 7 and lock the position of the first connecting rod 7. The second connecting rod 8 is rotatably installed on the outer end of the first connecting rod 7, and a hydraulic cylinder 10 is installed between the two, and the three form a triangle, so that the second connecting rod 8 can be bent under the drive of the hydraulic cylinder 10, and the outer end of the second connecting rod 8 is installed with a lifting device 11 that can be lifted up and down.

[0035] In the present application embodiment:

[0036] Reference Figure 1 , 3 , 4 and 5, a power output assembly 4 is installed on one side of the outside of the mounting seat 3, and a screw rod 20 is installed at its output end. The screw rod 20 passes through the movable seat 18, and the two are threadedly matched. The size of the movable seat 18 is adapted to the size inside the mounting seat 3, which can play a limiting role, so that the movable seat 18 can only move back and forth.

[0037] A lower hoop seat 21 and an upper hoop seat 22 are installed on one side of the mounting seat 3 , and the power output assembly 4 is installed between the two hoop seats, which can be used for limiting the installation thereof, so as to facilitate the installation and removal of the power output assembly 4 .

[0038] In the present application embodiment:

[0039] Reference Figure 3 A servo motor 17 is installed on one side of the outside of the pile column 5, and a group of bevel gear sets 16 are installed between the output end of the servo motor 17 and the rotating seat 19. The rotating seat 19 can be driven by the servo motor 17 to rotate, and the setting of the bevel gear set 16 can make the components arranged reasonably and reduce the occupied space.

[0040] A limiting sleeve 23 is installed on the pile column 5 and covers the rotating seat 19 to limit the rotating seat 19. The installation of the limiting sleeve 23 makes it easy to install and disassemble the rotating seat 19.

[0041] In the present application embodiment:

[0042] Reference Figure 1 , 2 , 7 and 8, two vertical upward vertical plates 25 are installed on one side of the top surface of the rotating frame 6, and the first connecting rod 7 is rotatably installed between the two vertical plates 25. A fixing plate 26 is installed on the outside of one vertical plate 25, and a micro motor 15 is installed below it. A gear 14 is installed on the output end of the micro motor 15, and a face gear 13 is installed on one side of the outside of the first connecting rod 7, which is engaged with the gear 14. The rotation of the first connecting rod 7 can be realized by the rotation of the gear 14, and the position of the first connecting rod 7 can be locked to prevent it from rotating accidentally.

[0043] In the present application embodiment:

[0044] Reference Figure 1 , 2 , 7 and 8, arc-shaped guide plates 24 are installed on both sides of the other side of the rotating frame 6, and a U-shaped seat 27 is installed at the rear end of the first connecting rod 7, which slides with the two guide plates 24 through a pin to limit the rotation stroke of the first connecting rod 7 and avoid shaking of the first connecting rod 7.

[0045] In the present application embodiment:

[0046] Reference Figure 1 and 2 A rotating seat 9 is rotatably installed under the first connecting rod 7 and the second connecting rod 8. The two ends of the hydraulic cylinder 10 are respectively installed together with the two rotating seats 9, which can realize the rotation between the two connecting rods and avoid motion interference between the components.

[0047] In the present application embodiment:

[0048] Reference Figure 1 and 3 A wire reel 12 is installed on the outside of the first connecting rod 7, on which a steel cable is wound. The sling 11 and the steel cable are installed together. The wire reel 12 can be used to reel the steel cable to realize the lifting of the sling 11 and complete the lifting of the material.

[0049] Working principle:

[0050] The drive crawler 2 moves the equipment to a suitable position, the moving seat 18 moves, the position of the pile 5 is adjusted, the rotating frame 6 rotates, the first connecting rod 7 and the second connecting rod 8 rotate, the spreader 11 is moved above the material, the spreader 11 moves down, the material is lifted, and then the material is placed on the frame 1 through the movement of the two-stage folding boom and the rotating frame 6, and the crawler 2 rotates to transfer the material.

[0051] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present application according to the technical solution and application concept of the present application, which should be covered by the protection scope of the present application.

Claims

1. The cantilever crane of the mobile small crane is characterized by: The invention comprises a vehicle frame (1), crawlers (2) are rotatably mounted on both sides of the exterior of the vehicle frame (1), a mounting seat (3) is mounted on one side of the top surface of the vehicle frame (1), a movable seat (18) capable of reciprocating movement is mounted inside the mounting seat, a pile (5) is mounted on the top surface of the movable seat (18), a rotatable rotating frame (6) is mounted above the pile, a first connecting rod (7) is rotatably mounted on the rotating frame (6), a second connecting rod (8) is rotatably mounted on the outer end of the first connecting rod (7), and a hydraulic cylinder (10) is rotatably mounted between the two, the three forming a triangle, and a lifting device (11) capable of lifting up and down is mounted on the outer end of the second connecting rod (8).

2. The cantilever crane of the mobile small crane according to claim 1, characterized in that: A lower hoop seat (21) and an upper hoop seat (22) are installed on one side of the outside of the mounting seat (3); a power output assembly (4) is installed between the lower hoop seat (21) and the upper hoop seat (22); a screw rod (20) is installed at the output end of the power output assembly (4); the screw rod (20) passes through the movable seat (18), and the two are threadedly matched.

3. The cantilever crane of the mobile small crane according to claim 1, characterized in that: A servo motor (17) is installed on one side of the outside of the pile column (5), and a bevel gear set (16) is installed on the output end of the servo motor. The bevel gear set (16) is located inside the pile column (5). A rotating seat (19) is installed on the outside of the bevel gear set (16), and the rotating frame (6) is installed on the top surface of the rotating seat (19).

4. The cantilever crane of the mobile small crane according to claim 1, characterized in that: Two vertically upward upright plates (25) are installed on one side of the top surface of the rotating frame (6); a gear (14) driven to rotate by a micro motor (15) is installed on the outside of one of the upright plates (25); the first connecting rod (7) is rotatably installed between the two upright plates (25); a face gear (13) is installed on the outside of the first connecting rod (7) and meshes with the gear (14).

5. The cantilever crane of the mobile small crane according to claim 4, characterized in that: Arc-shaped guide plates (24) are installed on both sides of one end of the rotating frame (6) away from the outer surface of the vertical plate (25), and pins are installed on both sides of the rear end of the first connecting rod (7), which are respectively slidably matched with the two guide plates (24).

6. The cantilever crane of the mobile small crane according to claim 1, characterized in that: A wire reel (12) is installed outside the first connecting rod (7), and a steel cable is installed on the lifting device (11) and is wound around the wire reel (12).

7. The cantilever crane of the mobile small crane according to claim 1, characterized in that: Both ends of the outside of the hydraulic cylinder (10) are equipped with rotating seats (9), which are respectively rotatably matched with the first connecting rod (7) and the second connecting rod (8).

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