Emergency locking structure for high-load hoist

Abstract

The utility model relates to the technical field of hoist, disclose a kind of emergency locking structure for high load hoist, including hoist body and the installation box of fixed connection in the one side of hoist body, the inside fixed connection of hoist body has motor one, the side of installation box is equipped with the mouth of taking in and putting out, the output end fixed connection of motor one has winding roller, the left and right ends of winding roller are all fixedly connected with ratchet wheel, the inside fixed connection of installation box has electromagnet, the inside of installation box is also slidably connected with sliding frame, sliding frame is matched with electromagnet, the utility model is set through motor one, electromagnet, sliding frame and the setting of limit ring, the effect that winding roller and cable can be fixed simultaneously is realized, improve the device use effect, solve the problem that the locking structure of existing hoist is mostly simple structure, often through single limit structure to carry out locking operation, when high load situation appears, hoist cannot be limited to effect, not conducive to use.

Description

Technical Field

[0001] This utility model relates to the field of winch technology, specifically an emergency locking structure for high-load winches. Background Technology

[0002] A winch is a small, lightweight lifting device that uses a drum to wind a wire rope or chain to lift or pull heavy objects. It is also called a winch. Winches can lift heavy objects vertically, horizontally, or at an angle. An emergency locking structure for a winch is a device that can quickly stop the drum from rotating in an emergency, prevent the heavy object from falling or the equipment from going out of control, and ensure operational safety. However, existing winch locking structures still have some problems in actual use. For example, application number CN202220350153.9 discloses a locking and protective structure for a winch, including a winch body. The side wall of the winding drum of the winch body is provided with a locking and protective structure. The locking and protective structure locks and protects the winding shaft of the winding drum. The locking and protective structure is connected to an automatic unlocking structure and a manual unlocking structure, which has the characteristic of reducing damage to the motor. Most existing winch locking structures are simple in structure and often use a single limit structure to perform the locking operation. When a high load occurs, it cannot limit the winch and is not conducive to use.

[0003] To address the aforementioned problems, an emergency locking structure for high-load winches is proposed. Utility Model Content

[0004] The purpose of this invention is to provide an emergency locking structure for high-load winches. By using this device, the problem is solved that most existing winch locking structures are simple in structure and often rely on a single limit structure for locking operations. When high load conditions occur, they cannot effectively limit the winch and are therefore not conducive to use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an emergency locking structure for a high-load winch, comprising a winch body and a mounting box fixedly connected to one side of the winch body. A motor is fixedly connected inside the winch body. A take-up and release port is opened on one side of the mounting box. A take-up roller is fixedly connected to the output end of the motor. Ratchets are fixedly connected to both ends of the take-up roller. An electromagnet is fixedly connected inside the mounting box. A sliding frame is also slidably connected inside the mounting box. The sliding frame matches the electromagnet. A connecting frame is fixedly connected to the bottom of the sliding frame.

[0006] Preferably, one end of the connecting frame is fixedly connected to a connecting rod, the connecting rod is slidably connected inside the winch body, and a fixing block is fixedly connected to the top of the connecting rod.

[0007] The above-mentioned structural design, with the sliding connection between the connecting rod and the winch body, provides a stable guide for the movement of the fixed block, ensuring that the fixed block can accurately engage with the ratchet. At the same time, the connecting frame transmits the movement of the sliding frame to the fixed block through the connecting rod, realizing the linkage control of the locking action and ensuring the synchronicity and reliability of the structural operation.

[0008] Preferably, the fixing block matches the ratchet, and one end of a set of connecting rods is also slidably connected to a trapezoidal block, which is slidably connected inside the winch body.

[0009] The design of the above structure, with the matching design of the fixed block and the ratchet, utilizes the unidirectional tooth characteristics of the ratchet to effectively prevent the winding roller from rotating in the opposite direction after the fixed block is engaged, forming the first mechanical locking defense line; while the sliding connection between the trapezoidal block and the connecting rod provides a power transmission node for the subsequent triggering of the multiple locking mechanism, enabling a single operation to drive multiple locking actions.

[0010] Preferably, a transmission rod is fixedly connected to one side of the trapezoidal block, and a sliding plate is fixedly connected to one end of the transmission rod. The sliding plate is slidably connected inside the winch body.

[0011] With the above-mentioned structural design, the transmission rod converts the horizontal movement of the trapezoidal block into the linear movement of the sliding plate, realizing the conversion and transmission of force direction; the sliding connection of the sliding plate in the winch body ensures the stability of the transmission process, provides a basis for the precise movement of the sliding disc, and thus prepares for the subsequent locking of the rotating disc.

[0012] Preferably, one end of one set of ratchet wheels is fixedly connected to a drive shaft, the top of the sliding plate is fixedly connected to a sliding disk, and one end of the drive shaft is slidably connected to a rotating disk.

[0013] With the above-mentioned structural design, the fixed connection between the drive shaft and the ratchet allows the rotation of the take-up roller to be synchronously transmitted to the rotating disk, forming an extension of the locking target; the sliding fit between the sliding disk and the rotating disk provides a structural basis for locking by pushing the rotating disk through the sliding disk, making the position adjustment of the rotating disk more flexible and controllable.

[0014] Preferably, the rotating disk is matched with the sliding disk, and a fixed disk is also fixedly connected inside the winch body. The fixed disk is located on one side of the rotating disk, and a motor is fixedly connected inside the sliding frame.

[0015] The design of the above structure, with the matching design of the rotating disk, sliding disk, and fixed disk, allows the rotating disk to be clamped between the sliding disk and the fixed disk by the pushing of the sliding disk. The friction of the three is used to lock the transmission shaft, forming a second locking defense line. The setting of motor two provides power for the active adjustment of the limit ring. The position of the limit ring can be adjusted according to the cable diameter and other conditions to enhance the fixing effect on the cable.

[0016] Preferably, the output end of the second motor is fixedly connected to a reciprocating lead screw, and a limiting ring is sleeved on the outer side of the reciprocating lead screw, which serves to reciprocate the limiting ring.

[0017] With the above-mentioned structural design, the reciprocating screw and the limiting ring work together to enable the reciprocating movement of the limiting ring through the drive of motor two. This allows the limiting ring to clamp or release the cable as needed. In case of emergency locking, the cable is fixed by clamping against the inner wall of the take-up and release port, forming a double guarantee with the locking of the take-up roller, thus improving the locking reliability under high load.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This application achieves the effect of simultaneously fixing the winding roller and cable by setting up a motor, electromagnet, sliding frame and limit ring, which improves the use effect of the device and solves the problem that most existing winch locking structures are simple in structure and often use a single limit structure for locking operation. When high load occurs, they cannot limit the winch and are not conducive to use.

[0019] 2. This application achieves an additional locking effect on the take-up roller by setting up a rotating disk, a fixed disk, a sliding disk, and a trapezoidal block, thereby improving the safety factor during the use of the device. It solves the problem that the existing winch locking structure often cannot provide a further fixing effect on the take-up roller, which may cause the motor to drive the take-up roller to rotate during use, thus failing to achieve the locking effect. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a structural diagram of the motor and the winding roller of this utility model; Figure 3 This is a structural diagram of the motor and reciprocating lead screw of this utility model; Figure 4 For the present utility model Figure 3 Enlarged structural diagram at point A in the middle; Figure 5 This is a structural diagram of the drive shaft and connecting rod of this utility model; Figure 6 This is a structural diagram of the sliding plate and sliding disk of this utility model.

[0021] In the diagram: 1. Winch body; 11. Motor 1; 111. Take-up roller; 112. Ratchet; 113. Drive shaft; 12. Connecting frame; 121. Connecting rod; 122. Fixing block; 13. Trapezoidal block; 131. Drive rod; 132. Sliding plate; 133. Sliding disc; 134. Rotating disc; 135. Fixing disc; 2. Mounting box; 21. Take-up and release port; 211. Electromagnet; 22. Sliding frame; 221. Motor 2; 222. Reciprocating screw; 223. Limiting ring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings.

[0024] Combination Figures 1-3 An emergency locking structure for a high-load winch includes a winch body 1 and a mounting box 2 fixedly connected to one side of the winch body 1. A motor 11 is fixedly connected inside the winch body 1. A take-up and release port 21 is opened on one side of the mounting box 2. A take-up roller 111 is fixedly connected to the output end of the motor 11. Ratchets 112 are fixedly connected to both ends of the take-up roller 111. An electromagnet 211 is fixedly connected inside the mounting box 2. A sliding frame 22 is also slidably connected inside the mounting box 2. The sliding frame 22 matches the electromagnet 211. A connecting frame 12 is fixedly connected to the bottom of the sliding frame 22.

[0025] The present invention will be further described below with reference to the embodiments.

[0026] Example 1: To address the problem that most existing winch locking structures are simple in design and often rely on a single limiting structure for locking, failing to effectively limit the winch under high loads and thus hindering usability, this embodiment discloses the following technical solution, specifically as follows: Figures 1-3As shown, a connecting rod 121 is fixedly connected to one end of the connecting frame 12. The connecting rod 121 is slidably connected inside the winch body 1. A fixing block 122 is fixedly connected to the top of the connecting rod 121. The fixing block 122 matches the ratchet 112. A trapezoidal block 13 is also slidably connected to one end of a set of connecting rods 121. The trapezoidal block 13 is slidably connected inside the winch body 1. A transmission rod 131 is fixedly connected to one side of the trapezoidal block 13. A sliding plate 132 is fixedly connected to one end of the transmission rod 131. The sliding plate 132 is slidably connected inside the winch body 1. During use, one end of the cable outside the take-up roller 111 can be passed through the limiting ring 223, and the motor 11 can be started to drive the take-up roller 111 to rotate, thereby controlling the cable. Regarding the take-up and unwinding effect, when it is necessary to stop the take-up roller 111, the electromagnet 211 located inside the mounting box 2 can be activated. The electromagnet 211 drives the sliding frame 22 to move, which in turn causes the limiting ring 223 to move. The clamping effect between the limiting ring 223 and the inner wall of the take-up and unwinding port 21 can fix the cable. When the sliding frame 22 moves, it also drives the connecting frame 12 to move. The connecting frame 12 drives the connecting rod 121 to move, which in turn causes the fixing block 122 to rise. When the fixing block 122 moves to the ratchet 112, it can fix the ratchet 112 to prevent the ratchet 112 from rotating, thereby preventing the take-up roller 111 from rotating. This achieves the effect of simultaneously fixing the take-up roller 111 and the cable, improving the efficiency of the device.

[0027] Example 2: To address the problem that existing winch locking structures often fail to provide sufficient fixation for the take-up roller 111, resulting in the motor 11 potentially rotating the take-up roller 111 during operation and thus failing to achieve the locking effect, this embodiment discloses the following technical solution, specifically as follows: Figures 4-6As shown, a set of ratchet 112 has a drive shaft 113 fixedly connected to one end, a sliding plate 132 has a sliding disk 133 fixedly connected to the top, and a rotating disk 134 is slidably connected to one end of the drive shaft 113. The rotating disk 134 matches the sliding disk 133. A fixed disk 135 is also fixedly connected inside the winch body 1, located on one side of the rotating disk 134. A second motor 221 is fixedly connected inside the sliding frame 22. A reciprocating screw 222 is fixedly connected to the output end of the second motor 221. A limiting ring 223 is sleeved on the outer side of the reciprocating screw 222. The reciprocating screw 222 acts as a reciprocating mechanism for the limiting ring 223. When the reciprocating screw 222 is in continuous motion, the limit ring 223 is reciprocated. During its movement, the connecting rod 121 also drives the trapezoidal block 13 to move horizontally. The trapezoidal block 13 drives the transmission rod 131 to move, which in turn causes the sliding plate 132 to move. The sliding plate 132 drives the sliding disk 133 to move, which in turn moves the rotating disk 134. When the rotating disk 134 is moved to the fixed disk 135, the sliding disk 133 and the fixed disk 135 work together to clamp the rotating disk 134, thereby preventing the transmission shaft 113 from rotating. At this time, the take-up roller 111 can be further fixed, achieving an additional locking effect on the take-up roller 111 and improving the safety factor during the use of the device.

[0028] It should be noted that the aforementioned electrical components are equipped with power supplies, and their control methods are existing technologies. To avoid redundancy, they will be described here uniformly. Furthermore, this application is primarily for the protection of mechanical equipment, so the control methods and circuit connections will not be explained in detail herein. In this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An emergency locking structure for a high-load winch, comprising a winch body (1) and a mounting box (2) fixedly connected to one side of the winch body (1), wherein a motor (11) is fixedly connected inside the winch body (1), and a retraction port (21) is provided on one side of the mounting box (2), characterized in that: The output end of the motor (11) is fixedly connected to a take-up roller (111), and ratchet (112) is fixedly connected to both the left and right ends of the take-up roller (111). An electromagnet (211) is fixedly connected inside the mounting box (2), and a sliding frame (22) is also slidably connected inside the mounting box (2). The sliding frame (22) matches the electromagnet (211), and a connecting frame (12) is fixedly connected to the bottom of the sliding frame (22).

2. The emergency locking structure for a high-load winch according to claim 1, characterized in that: One end of the connecting frame (12) is fixedly connected to a connecting rod (121), the connecting rod (121) is slidably connected inside the winch body (1), and a fixing block (122) is fixedly connected to the top of the connecting rod (121).

3. The emergency locking structure for a high-load winch according to claim 2, characterized in that: The fixed block (122) is matched with the ratchet (112), and one end of a set of connecting rods (121) is also slidably connected to a trapezoidal block (13), which is slidably connected inside the winch body (1).

4. The emergency locking structure for a high-load winch according to claim 3, characterized in that: A transmission rod (131) is fixedly connected to one side of the trapezoidal block (13), and a sliding plate (132) is fixedly connected to one end of the transmission rod (131). The sliding plate (132) is slidably connected inside the winch body (1).

5. The emergency locking structure for a high-load winch according to claim 4, characterized in that: A drive shaft (113) is fixedly connected to one end of a set of ratchet (112), a sliding disk (133) is fixedly connected to the top of the sliding plate (132), and a rotating disk (134) is slidably connected to one end of the drive shaft (113).

6. The emergency locking structure for a high-load winch according to claim 5, characterized in that: The rotating disk (134) is matched with the sliding disk (133). The winch body (1) is also fixedly connected to a fixed disk (135). The fixed disk (135) is located on one side of the rotating disk (134). The sliding frame (22) is fixedly connected to a motor (221).

7. The emergency locking structure for a high-load winch according to claim 6, characterized in that: The output end of the second motor (221) is fixedly connected to a reciprocating lead screw (222), and a limiting ring (223) is sleeved on the outside of the reciprocating lead screw (222). The reciprocating lead screw (222) has the effect of reciprocating the limiting ring (223).

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