Intelligent folding arm crane

Abstract

The utility model relates to the technical field of mechanical lifting equipment, specifically an intelligent folding arm crane, including a mounting sleeve, a mounting column, an operating mechanism, a limiting mechanism, a first arm, a second arm and a balancer; the mounting column is rotatably arranged on the mounting sleeve; the operating mechanism is arranged on the mounting column; the operating mechanism includes a mounting box, a movable plate, an operating handle and a reset spring, the mounting box is arranged on the mounting column, the movable plate is slidably arranged in the mounting box, one end of the operating handle is connected to the movable plate, the other end of the operating handle passes through the mounting box and extends outside the mounting box, a plurality of reset springs are arranged, and one end of the reset spring is connected to the movable plate. The utility model arranges an operating mechanism and a limiting mechanism between the mounting column and the mounting sleeve, which is convenient for rotating the mounting column and for limiting the position between the mounting column and the mounting sleeve, thereby avoiding the first arm from swinging and reducing the safety hazards of the hoisting operation.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical lifting equipment, in particular to an intelligent folding arm crane. Background Art

[0002] Lifting is an industrial process of transporting objects from one place to another. Most lifting machines start a vertical or vertical and horizontal working journey after the spreader picks up the material, unload after reaching the destination, and then travel to the material picking location to complete a working cycle, and then carry out the second lifting. Light and small lifting equipment is generally used in some light and small material handling, warehousing logistics, production assembly, and fine processing fields.

[0003] Patent authorization announcement No. CN 212503697 U discloses a folding arm crane, which includes a column, a first arm, a second arm and a balancer; the bottom end of the column is used to be fixed to the ground, the first arm is vertically arranged with the column, and the first end of the first arm is pivoted or hinged with the top end of the column so that the first arm can rotate in the horizontal direction; the second arm is parallel to the first arm, and the first end of the second arm is pivoted or hinged with the second end of the first arm so that the second arm can rotate in the horizontal direction; the balancer is fixed to the first end of the second arm, and the pulling rope of the balancer extends from the first end of the second arm to the second end of the second arm, and the second end of the second arm is provided with a pulling rope guide wheel for supporting the pulling rope, and the end of the pulling rope is fixed with a lifting hook vertically arranged below the second end of the second arm.

[0004] However, the above technical solution has the following shortcomings: the position between the first arm and the column cannot be limited, which causes the first arm to easily swing, which not only affects the lifting operation, but also poses a great safety hazard. Utility Model Content

[0005] The utility model aims to provide an intelligent folding arm crane in view of the problems existing in the background technology.

[0006] The technical solution of the utility model: an intelligent folding arm crane, comprising:

[0007] Install the sleeve;

[0008] A mounting column, which is rotatably mounted on a mounting sleeve;

[0009] An operating mechanism, which is arranged on a mounting column;

[0010] The operating mechanism includes an installation box, a movable plate, an operating handle and a reset spring. The installation box is arranged on the installation column, the movable plate is slidably arranged in the installation box, one end of the operating handle is connected to the movable plate, the other end of the operating handle passes through the installation box and extends outside the installation box, and a plurality of reset springs are arranged, one end of the reset spring is connected to the movable plate, and the other end of the reset spring is connected to the inner wall of the installation box;

[0011] A limiting mechanism is arranged at the adjusting end of the operating mechanism, and the other end of the limiting mechanism is arranged on the mounting sleeve;

[0012] A first arm, which is disposed on a surface of the mounting column;

[0013] A second arm, rotatably connected to the first arm;

[0014] The fixed end of the balancer is connected to the first support arm, and the output end of the balancer is transmission-connected to the second support arm.

[0015] Preferably, two movable holes are formed through the surface of the installation box, the two movable holes are arranged in parallel, and the operating handle passes through the installation box through the movable holes and is slidably connected to the installation box.

[0016] Preferably, the limiting mechanism comprises a fixed box, a sliding plate, a connecting assembly and a preload spring, a limiting block and a limiting toothed ring;

[0017] The fixing box is connected to the mounting column;

[0018] The sliding plate is slidably connected to the fixed box;

[0019] One end of the connecting component is connected to the sliding plate, and the other end of the connecting component is connected to the movable plate;

[0020] One end of the preload spring is connected to the sliding plate, and the other end of the preload spring is connected to the top of the inner wall of the fixed box;

[0021] The limit block is connected to the sliding plate, and one end of the limit block passes through the fixed box and extends to the outside of the fixed box;

[0022] The limiting toothed ring is sleeved on the surface of the mounting column, the limiting toothed ring is rotatably connected to the mounting column, and the limiting toothed ring is connected to the mounting sleeve.

[0023] Preferably, the connecting assembly includes a connecting rod, a connecting ring and an adjusting ring;

[0024] The connecting rod is connected to the sliding plate, and the connecting rod passes through the fixed box and the installation box and extends into the installation box;

[0025] The connecting ring is located in the installation box, and the connecting ring is connected to the connecting rod;

[0026] The adjusting ring is located in the installation box, the adjusting ring is connected with the movable plate, and the adjusting ring and the connecting ring are sleeved with each other.

[0027] Preferably, the mounting column is detachably connected to a reinforcing rod, and one end of the reinforcing rod away from the mounting column is connected to the first arm.

[0028] Preferably, the mounting sleeve is connected to a mounting base, the mounting base is provided with a plurality of reinforcing ribs, and one side of the reinforcing ribs is connected to the mounting sleeve.

[0029] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0030] The utility model provides an operating mechanism and a limiting mechanism between the installation column and the installation sleeve. When the installation column is rotated, the operating mechanism first drives the limiting block to move and disengage from the teeth of the limiting gear, so that the limiting mechanism loses its limiting effect and the installation column can be rotated. After adjustment, the limiting block is inserted into the teeth of the limiting gear ring under the action of the preload spring to limit the installation column, which is convenient for rotating the installation column and for limiting the position between the installation column and the installation sleeve, thereby avoiding the first arm from swinging and reducing the safety hazards of the lifting operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A three-dimensional diagram of an embodiment of the present utility model;

[0032] Figure 2 A cross-sectional view of an operating mechanism in an embodiment of the present utility model;

[0033] Figure 3 A three-dimensional diagram of an operating mechanism in an embodiment of the present utility model;

[0034] Figure 4 A cross-sectional view of a limiting mechanism in an embodiment of the present utility model;

[0035] Figure 5 This is a stereoscopic diagram of an adjusting ring in an embodiment of the present utility model.

[0036] Figure numerals: 1. Mounting sleeve; 2. Mounting column; 3. Operating mechanism; 31. Mounting box; 32. Movable plate; 33. Operating handle; 34. Reset spring; 35. Movable hole; 4. Limiting mechanism; 41. Fixed box; 42. Sliding plate; 43. Preload spring; 44. Connecting assembly; 441. Connecting rod; 442. Connecting ring; 443. Adjusting ring; 45. Limiting block; 46. Limiting gear ring; 5. First arm; 6. Second arm; 7. Balancer; 8. Reinforcing rod; 9. Mounting base; 10. Reinforcing rib. DETAILED DESCRIPTION

[0037] Embodiment 1

[0038] like Figure 1-5 As shown, the utility model provides an intelligent folding arm crane, comprising a mounting sleeve 1, a mounting column 2, an operating mechanism 3, a limiting mechanism 4, a first arm 5, a second arm 6 and a balancer 7;

[0039] The bottom end of the mounting sleeve 1 is fixedly connected with a mounting base 9, and the mounting base 9 is provided with a plurality of reinforcing ribs 10, and one side of the reinforcing rib 10 is fixedly connected with the mounting sleeve 1;

[0040] The mounting column 2 is rotatably disposed on the mounting sleeve 1;

[0041] The operating mechanism 3 is arranged on the mounting column 2;

[0042] The operating mechanism 3 includes an installation box 31, a movable plate 32, an operating handle 33 and a return spring 34. The installation box 31 is arranged on the installation column 2, and the movable plate 32 is slidably arranged in the installation box 31. One end of the operating handle 33 is fixedly connected to the movable plate 32, and the other end of the operating handle 33 penetrates the installation box 31 and extends to the outside of the installation box 31. Two movable holes 35 are formed on the surface of the installation box 31, and the two movable holes 35 are arranged in parallel. The operating handle 33 penetrates the installation box 31 through the movable holes 35 and is slidably connected to the installation box 31. A plurality of return springs 34 are arranged, and one end of the return spring 34 is connected to the movable plate 32, and the other end of the return spring 34 is connected to the inner wall of the installation box 31.

[0043] The limiting mechanism 4 is arranged at the adjusting end of the operating mechanism 3, and the other end of the limiting mechanism 4 is arranged on the mounting sleeve 1;

[0044] The first support arm 5 is arranged on the surface of the mounting column 2, and the mounting column 2 is detachably connected with a reinforcing rod 8, and one end of the reinforcing rod 8 away from the mounting column 2 is detachably connected to the first support arm 5;

[0045] The second arm 6 is rotatably connected to the first arm 5, and a hook assembly for lifting materials is provided at one end of the second arm 6 away from the first arm 5;

[0046] The fixed end of the balancer 7 is detachably connected to the first arm 5, the output end of the balancer 7 is transmission-connected to the second arm 6, and the balancer 7 is electrically connected to the control system. The distance between the hook assembly and the mounting column 2 can be adjusted according to the lifting requirements to achieve intelligent control of the movement of the second arm 6.

[0047] Embodiment 2

[0048] like Figure 1-4 As shown, the intelligent folding arm crane proposed by the utility model, compared with the first embodiment, this embodiment further specifically discloses the structure of the limiting mechanism 4; the limiting mechanism 4 includes a fixed box 41, a sliding plate 42, a connecting assembly 44 and a preload spring 43, a limiting block 45 and a limiting toothed ring 46;

[0049] The fixing box 41 is fixedly connected to the mounting column 2;

[0050] The sliding plate 42 is slidably connected to the inner wall of the fixed box 41;

[0051] One end of the connecting component 44 is connected to the sliding plate 42, and the other end of the connecting component 44 is connected to the movable plate 32;

[0052] One end of the preload spring 43 is fixedly connected to the sliding plate 42, and the other end of the preload spring 43 is fixedly connected to the top of the inner wall of the fixed box 41;

[0053] The limit block 45 is connected to the sliding plate 42, and one end of the limit block 45 passes through the fixed box 41 and extends to the outside of the fixed box 41;

[0054] The limiting toothed ring 46 is sleeved on the surface of the mounting column 2 , the limiting toothed ring 46 is rotatably connected to the mounting column 2 , and the limiting toothed ring 46 is fixedly connected to the top end of the mounting sleeve 1 .

[0055] Embodiment 3

[0056] like Figure 1-5 As shown, the intelligent folding arm crane proposed by the utility model, compared with the second embodiment, this embodiment further specifically discloses the structure of the connecting component 44; the connecting component 44 includes a connecting rod 441, a connecting ring 442 and an adjusting ring 443;

[0057] The connecting rod 441 is connected to the sliding plate 42, and the connecting rod 441 passes through the fixing box 41 and the installation box 31 and extends into the installation box 31;

[0058] The connecting ring 442 is located in the installation box 31, and the connecting ring 442 is fixedly connected to the connecting rod 441;

[0059] The adjusting ring 443 is located in the installation box 31 , the adjusting ring 443 is fixedly connected to the movable plate 32 , and the adjusting ring 443 and the connecting ring 442 are sleeved with each other.

[0060] When the first support arm 5 needs to be rotated during use, the operating handle 33 is pushed or pulled, and the operating handle 33 drives the movable plate 32 to move. The movable plate 32 moves to compress the reset spring 34, and at the same time drives the adjusting ring 443 to move together. The adjusting ring 443 moves to drive the connecting ring 442 to slide upward, and the connecting ring 442 slides upward through the connecting rod 441 and the sliding plate 42 to drive the limit block 45 to move upward and disengage from the teeth of the limit tooth ring 46. Continue to push or pull the operating handle 33 to drive the installation column 2 to rotate. The rotation of the installation column 2 drives the first support arm 5 and the second arm 6 to rotate together. After adjusting to the appropriate position, the operating handle 33 is released, and the movable plate 32 is reset under the action of the reset spring 34. The limit block 45 is inserted into the teeth of the limit tooth ring 46 under the action of the pre-tightening spring 43 to limit the installation column 2.

[0061] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An intelligent folding arm crane, characterized in that: include: Installing sleeve (1); A mounting column (2) rotatably mounted on the mounting sleeve (1); An operating mechanism (3) is arranged on the mounting column (2); The operating mechanism (3) comprises an installation box (31), a movable plate (32), an operating handle (33) and a return spring (34); the installation box (31) is arranged on the installation column (2); the movable plate (32) is slidably arranged in the installation box (31); one end of the operating handle (33) is connected to the movable plate (32); the other end of the operating handle (33) passes through the installation box (31) and extends to the outside of the installation box (31); a plurality of return springs (34) are arranged; one end of the return spring (34) is connected to the movable plate (32); the other end of the return spring (34) is connected to the inner wall of the installation box (31); A limiting mechanism (4) is arranged at the adjustment end of the operating mechanism (3), and the other end of the limiting mechanism (4) is arranged on the mounting sleeve (1); A first support arm (5) is arranged on the surface of the mounting column (2); A second arm (6) rotatably connected to the first arm (5); The fixed end of the balancer (7) is connected to the first support arm (5), and the output end of the balancer (7) is transmission-connected to the second support arm (6).

2. The intelligent folding arm crane according to claim 1, characterized in that: Two movable holes (35) are formed through the surface of the installation box (31), and the two movable holes (35) are arranged in parallel. The operating handle (33) passes through the installation box (31) through the movable holes (35) and is slidably connected with the installation box (31).

3. The intelligent folding arm crane according to claim 1, characterized in that: The limiting mechanism (4) comprises a fixed box (41), a sliding plate (42), a connecting assembly (44), a preload spring (43), a limiting block (45) and a limiting toothed ring (46); The fixing box (41) is connected to the mounting column (2); The sliding plate (42) is slidably connected to the fixed box (41); One end of the connecting component (44) is connected to the sliding plate (42), and the other end of the connecting component (44) is connected to the movable plate (32); One end of the preload spring (43) is connected to the sliding plate (42), and the other end of the preload spring (43) is connected to the top of the inner wall of the fixed box (41); The limiting block (45) is connected to the sliding plate (42), and one end of the limiting block (45) penetrates the fixed box (41) and extends to the outside of the fixed box (41); The limiting toothed ring (46) is sleeved on the surface of the mounting column (2), the limiting toothed ring (46) is rotatably connected to the mounting column (2), and the limiting toothed ring (46) is connected to the mounting sleeve (1).

4. The intelligent folding arm crane according to claim 3, characterized in that: The connecting assembly (44) comprises a connecting rod (441), a connecting ring (442) and an adjusting ring (443); The connecting rod (441) is connected to the sliding plate (42), and the connecting rod (441) penetrates the fixing box (41) and the installation box (31) and extends into the installation box (31); The connecting ring (442) is located in the installation box (31), and the connecting ring (442) is connected to the connecting rod (441); The adjusting ring (443) is located in the installation box (31), the adjusting ring (443) is connected to the movable plate (32), and the adjusting ring (443) and the connecting ring (442) are sleeved with each other.

5. The intelligent folding arm crane according to claim 1, characterized in that: The mounting column (2) is detachably connected to a reinforcing rod (8), and one end of the reinforcing rod (8) away from the mounting column (2) is connected to the first support arm (5).

6. The intelligent folding arm crane according to claim 1, characterized in that: The mounting sleeve (1) is connected to a mounting base (9), the mounting base (9) is provided with a plurality of reinforcing ribs (10), and one side of the reinforcing ribs (10) is connected to the mounting sleeve (1).

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