Steel wire rope anti-separation device for crane

Abstract

The utility model discloses a steel wire rope anti-disengagement device for a crane, which comprises a cargo boom, a fixed pulley and a steel wire rope body, the fixed pulley is mounted at the end of the cargo boom, the steel wire rope body is arranged on the fixed pulley, a limit arm is fixedly mounted on the lower surface of the cargo boom, and a limit frame is sleeved on the outer wall of the limit arm. Meanwhile, limiting wheels are mounted on the inner walls of the ends of the limiting frames, a support is fixedly connected to the upper surface of the cargo boom, an adjusting rod is movably connected to the inner wall of the upper end of the support, a mounting plate is movably mounted at the lower end of the adjusting rod, and pressing wheels are arranged at the two ends of the lower surface of the mounting plate correspondingly; a clamping plate and a base are fixed to the two ends of the upper surface of the mounting plate correspondingly, and a locking mechanism is arranged on the inner wall of the base. According to the steel wire rope anti-disengaging device for the crane, the anti-loosening capacity is enhanced, the phenomenon of loosening in the using process of the device is avoided, and therefore the using stability of the device is prevented from being affected.

Description

Technical Field

[0001] The utility model relates to the technical field of crane components, in particular to a steel wire rope anti-detachment device for a crane. Background Art

[0002] A crane usually refers to a mechanical equipment that can move heavy objects vertically. It is commonly found in the construction, manufacturing, mining and other industries. The crane wire rope anti-detachment device is a safety device on the crane. Its main function is to ensure the stability of the crane wire rope and avoid its detachment and cause danger. Therefore, this device is an important factor in ensuring the safe and stable operation of the crane.

[0003] However, the existing crane wire rope anti-separation device has the following problems when used:

[0004] For example, a crane anti-wire rope disengagement device with publication number CN220618201U and authorization announcement date 20240319, although the device has the function of preventing the wire rope from disengaging, the device's anti-loosening ability is insufficient, resulting in the top pressure screw rod being prone to loosening when the device is in use, which can easily affect the stability of the device.

[0005] In view of the above problems, it is urgently necessary to carry out innovative design based on the original crane wire rope anti-detachment device. Utility Model Content

[0006] The utility model aims to provide a crane wire rope anti-detachment device to solve the problem that the prior art crane wire rope anti-detachment device has insufficient anti-loosening capability, which causes the device to become loose when in use, thereby easily affecting the stability of the device.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wire rope anti-separation device for a crane, comprising a lifting arm, a fixed pulley and a wire rope body, a fixed pulley is installed at the end of the lifting arm, and the wire rope body is arranged on the fixed pulley, and a limit arm is fixedly installed on the lower surface of the lifting arm, and a limit frame is sleeved on the outer wall of the limit arm, and a limit wheel is installed on the inner wall of the end of the limit frame, the upper surface of the lifting arm is fixedly connected with a bracket, and an adjusting rod is movably connected to the inner wall of the upper end of the bracket, and a mounting plate is movably installed on the lower end of the adjusting rod, and pressure wheels are respectively arranged at both ends of the lower surface of the mounting plate, and a gear is fixedly connected to the outer wall of the adjusting rod above the mounting plate, a clamping plate and a base are respectively fixed at both ends on the upper surface of the mounting plate, and a locking mechanism is arranged on the inner wall of the base.

[0008] Preferably, the steel wire rope body is respectively fitted with the fixed pulley, the limiting wheel and the pressure wheel, and the limiting arm and the limiting frame are slidably connected.

[0009] Preferably, a positioning bolt is installed on the inner wall of the limiting arm, and a bolt cap is sleeved on the end of the positioning bolt, and the positioning bolt is threadedly connected to the limiting arm, the limiting frame and the bolt cap respectively, and the bolt cap and the limiting frame are fitted together, and the positioning bolts are symmetrically distributed about the transverse center axis of the limiting frame.

[0010] Preferably, the bracket and the adjusting rod are threadedly arranged, the adjusting rod and the mounting plate form a rotating structure, and the bracket and the clamping plate form a sliding structure.

[0011] Preferably, the locking mechanism comprises a knob and a tooth plate, and the knob is movably mounted on the inner wall of the base, and the end of the knob is movably connected to the tooth plate.

[0012] Preferably, the knob and the base are threadedly connected, the knob and the toothed plate are rotatably arranged, the toothed plate and the mounting plate are slidably arranged, and the toothed plate and the gear are meshed.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the crane wire rope anti-detachment device strengthens the anti-loosening capability, avoids the loosening phenomenon when the device is used, and thus avoids affecting the stability of the device;

[0014] By turning the knob, the knob drives the toothed plate to move relative to the mounting plate, and then the toothed plate moves to engage with the gear, thereby limiting the gear and the adjusting rod, preventing the adjusting rod from loosening and affecting the stability of the pressure wheel, thereby improving the anti-loosening ability of the device and preventing the device from loosening during use and affecting the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front section structure of the utility model;

[0016] Figure 2 It is a partial side view structural diagram of the bracket of the utility model;

[0017] Figure 3 This is a schematic diagram of the side section structure of the positioning bolt of the utility model;

[0018] Figure 4 This is a schematic diagram of the top view of the gear structure of the utility model;

[0019] Figure 5 This is a side view structural diagram of the limiting wheel of the utility model;

[0020] Figure 6 It is a schematic diagram of the front section structure of the utility model in which the pressure wheel and the steel wire rope body are separated;

[0021] Figure 7 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1, lifting arm; 2, fixed pulley; 3, wire rope body; 4, limiting arm; 5, limiting frame; 6, limiting wheel; 7, positioning bolt; 8, bolt cap; 9, bracket; 10, adjusting rod; 11, mounting plate; 12, pressure wheel; 13, gear; 14, clamping plate; 15, base; 16, locking mechanism; 1601, knob; 1602, tooth plate. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-7 The utility model provides a technical solution: a wire rope anti-separation device for a crane, comprising a lifting arm 1, a fixed pulley 2, a wire rope body 3, a limiting arm 4, a limiting frame 5, a limiting wheel 6, a positioning bolt 7, a bolt cap 8, a bracket 9, an adjusting rod 10, a mounting plate 11, a pressure wheel 12, a gear 13, a clamping plate 14, a base 15, a locking mechanism 16, a knob 1601 and a tooth plate 1602, a fixed pulley 2 is installed at the end of the lifting arm 1, and a wire rope body 3 is arranged on the fixed pulley 2, and a limiting arm 4 is fixedly installed on the lower surface of the lifting arm 1, and the limiting arm The outer wall of the lifting arm 4 is provided with a limit frame 5, and the inner wall of the end of the limit frame 5 is provided with a limit wheel 6, the upper surface of the lifting arm 1 is fixedly connected with a bracket 9, and the inner wall of the upper end of the bracket 9 is movably connected with an adjusting rod 10, and the lower end of the adjusting rod 10 is movably installed with a mounting plate 11, and the two ends of the lower surface of the mounting plate 11 are respectively provided with pressure wheels 12, and the outer wall of the adjusting rod 10 above the mounting plate 11 is fixedly connected with a gear 13, and the two ends of the upper surface of the mounting plate 11 are respectively fixed with a clamping plate 14 and a base 15, and the inner wall of the base 15 is provided with a locking mechanism 16.

[0025] The wire rope body 3 is respectively fitted with the fixed pulley 2, the limiting wheel 6 and the pressure wheel 12, and the limiting arm 4 and the limiting frame 5 are slidably connected, which is convenient for the wire rope body 3 to move relative to the fixed pulley 2, and the wire rope body 3 is limited by the limiting wheel 6 and the pressure wheel 12 to prevent the wire rope body 3 from escaping from the fixed pulley 2, and at the same time, it is convenient for the limiting frame 5 to slide relative to the limiting arm 4 to disassemble and assemble the limiting wheel 6.

[0026] A positioning bolt 7 is installed on the inner wall of the limit arm 4, and a bolt cap 8 is sleeved on the end of the positioning bolt 7, and the positioning bolt 7 is threadedly connected to the limit arm 4, the limit frame 5 and the bolt cap 8 respectively, and the bolt cap 8 and the limit frame 5 are fitted together, and the positioning bolt 7 is symmetrically distributed about the transverse center axis of the limit frame 5, so that after the user completes the installation of the limit wheel 6, the user inserts the positioning bolt 7 into the limit frame 5 and tightens the positioning bolt 7, so that the positioning bolt 7 passes through the limit arm 4 and the limit frame 5, and then is sleeved on the positioning bolt 7 through the bolt cap 8, and the bolt cap 8 is tightened to make the bolt cap 8 fit the limit frame 5, thereby enhancing the stability of the positioning bolt 7 and allowing the limit wheel 6 to be stably installed.

[0027] The bracket 9 and the adjusting rod 10 are threadedly arranged, and the adjusting rod 10 and the mounting plate 11 form a rotating structure, and the bracket 9 and the clamping plate 14 form a sliding structure, which is convenient for the user to rotate the adjusting rod 10, so that the adjusting rod 10 moves downward relative to the bracket 9, thereby driving the mounting plate 11 to move downward, and as the mounting plate 11 moves, the mounting plate 11 drives the clamping plate 14 to slide relative to the bracket 9, so that the mounting plate 11 drives the pressure wheel 12 to move downward stably, thereby facilitating the pressure wheel 12 to fit the wire rope body 3 and limit the wire rope body 3.

[0028] The locking mechanism 16 includes a knob 1601 and a tooth plate 1602, and the knob 1601 is movably mounted on the inner wall of the base 15, and the end of the knob 1601 is movably connected to the tooth plate 1602, so as to limit the adjustment rod 10 through the locking mechanism 16, thereby preventing the adjustment rod 10 from loosening when the device is in use and affecting the stability of the device.

[0029] The knob 1601 is threadedly connected to the base 15, and the knob 1601 and the tooth plate 1602 are rotatably arranged, and the tooth plate 1602 and the mounting plate 11 are slidably arranged, and the tooth plate 1602 and the gear 13 are meshed, so that the user can rotate the knob 1601 to move the knob 1601 relative to the base 15, thereby driving the tooth plate 1602 to move in line with the mounting plate 11, and then facilitating the meshing of the tooth plate 1602 with the gear 13 to complete the limiting of the adjustment rod 10.

[0030] Working principle: When using the crane wire rope anti-separation device, first Figure 1-7As shown, the user passes the wire rope body 3 through the bracket 9 and places it on the fixed pulley 2, then the user moves the limiting frame 5 so that the limiting frame 5 is sleeved on the limiting arm 4, at this time the limiting frame 5 drives the limiting wheel 6 to fit the wire rope body 3, then the user inserts the positioning bolt 7 into the limiting frame 5 and tightens the positioning bolt 7, at this time the positioning bolt 7 passes through the limiting arm 4 and the limiting frame 5, then the user sleeves the bolt cap 8 onto the positioning bolt 7 and tightens the bolt cap 8 so that the bolt cap 8 fits the limiting frame 5, thereby completing the installation of the limiting wheel 6, then the user rotates the adjusting rod 10, then the adjusting rod 10 moves downward relative to the bracket 9, then the adjusting rod 10 drives the mounting plate 11 to move downward, and as the mounting plate 11 moves, the mounting plate 11 drives the clamping plate 14 relative to the bracket 9 slides, and then the mounting plate 11 drives the pressure wheel 12 to move downward so that the pressure wheel 12 fits the wire rope body 3, thereby limiting the wire rope body 3 through the limiting wheel 6 and the pressure wheel 12 to prevent the wire rope body 3 from escaping from the fixed pulley 2, and then the user rotates the knob 1601, and then the knob 1601 moves relative to the base 15, and then the knob 1601 pushes the tooth plate 1602 to move relative to the mounting plate 11, and with the continuous rotation of the knob 1601, the tooth plate 1602 finally meshes with the gear 13, thereby limiting the gear 13 and the adjusting rod 10, and preventing the adjusting rod 10 from loosening when the device is in use and affecting the stability of the device. Therefore, the device has enhanced anti-loosening ability to prevent the device from loosening when in use and affecting the stability of the device.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wire rope anti-detachment device for a crane, comprising a crane arm (1), a fixed pulley (2) and a wire rope body (3), characterized in that: A fixed pulley (2) is installed at the end of the lifting arm (1), and a steel wire rope body (3) is arranged on the fixed pulley (2), and a limit arm (4) is fixedly installed on the lower surface of the lifting arm (1), and a limit frame (5) is sleeved on the outer wall of the limit arm (4), and a limit wheel (6) is installed on the inner wall of the end of the limit frame (5), and a bracket (9) is fixedly connected to the upper surface of the lifting arm (1), and an adjusting rod (10) is movably connected to the inner wall of the upper end of the bracket (9), and a mounting plate (11) is movably installed on the lower end of the adjusting rod (10), and pressure wheels (12) are respectively arranged at both ends of the lower surface of the mounting plate (11), and a gear (13) is fixedly connected to the outer wall of the adjusting rod (10) above the mounting plate (11), and a clamping plate (14) and a base (15) are respectively fixed at both ends of the upper surface of the mounting plate (11), and a locking mechanism (16) is arranged on the inner wall of the base (15).

2. The crane wire rope anti-separation device according to claim 1, characterized in that: The steel wire rope body (3) is respectively fitted with the fixed pulley (2), the limiting wheel (6) and the pressure wheel (12), and the limiting arm (4) and the limiting frame (5) are slidably connected.

3. The crane wire rope anti-separation device according to claim 1, characterized in that: The inner wall of the limit arm (4) is provided with a positioning bolt (7), and the end of the positioning bolt (7) is sleeved with a bolt cap (8), and the positioning bolt (7) is threadedly connected to the limit arm (4), the limit frame (5) and the bolt cap (8), respectively, and the bolt cap (8) and the limit frame (5) are arranged in close contact, and the positioning bolt (7) is symmetrically distributed about the transverse center axis of the limit frame (5).

4. The crane wire rope anti-separation device according to claim 1, characterized in that: The bracket (9) and the adjusting rod (10) are threadedly arranged, the adjusting rod (10) and the mounting plate (11) form a rotating structure, and the bracket (9) and the clamping plate (14) form a sliding structure.

5. The crane wire rope anti-separation device according to claim 1, characterized in that: The locking mechanism (16) comprises a knob (1601) and a tooth plate (1602), and the knob (1601) is movably mounted on the inner wall of the base (15), and the end of the knob (1601) is movably connected to the tooth plate (1602).

6. The crane wire rope anti-separation device according to claim 5, characterized in that: The knob (1601) and the base (15) are threadedly connected, the knob (1601) and the toothed plate (1602) are rotatably arranged, the toothed plate (1602) and the mounting plate (11) are slidably arranged, and the toothed plate (1602) and the gear (13) are meshed.

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