Hoisting pulley with self-lubricating structure

Abstract

The utility model relates to hoisting equipment technical field discloses a hoist pulley with lubricating structure, solves the problem that the background art has proposed, it includes pulley body, lubricating device and control system, the pulley body includes wheel body, wheel shaft and bearing, the wheel shaft surface is equipped with lubricating groove, the lubricating device includes oil tank, oil pipeline, micro pump and oil way, the oil tank is connected with the oil way in the wheel shaft inside through the oil pipeline, the micro pump is installed on the oil pipeline, the oil way is connected with the lubricating groove on the wheel shaft surface, the control system includes sensor, controller and alarm device, the controller can be according to the signal of sensor automatic regulation the rotating speed of micro pump, the utility model discloses, has the effect that can realize automatic, even, efficient lubrication, effectively reduces the wear and tear of pulley, prolongs the service life of pulley, reduces maintenance cost and labor intensity simultaneously.

Description

Technical Field

[0001] This utility model belongs to the technical field of hoisting equipment, specifically a hoisting pulley with a self-lubricating structure. Background Technology

[0002] Currently, traditional lifting pulleys mainly use open bearings or ordinary sealed bearings, which have the following problems:

[0003] Traditional pulleys require regular manual grease replenishment. Under high load and high frequency of use, the grease is prone to loss or drying out, leading to accelerated bearing wear. In harsh environments (such as dust, humidity, and high temperature), the lubrication effect decreases rapidly, affecting service life. To address this, we have proposed a lifting pulley with a self-lubricating structure. Utility Model Content

[0004] To address the problems mentioned in the background art, this utility model provides the following technical solution: a lifting pulley with a self-lubricating structure, comprising a pulley body, a lubrication device, and a control system.

[0005] The pulley body includes a wheel body, axle and bearing, and the surface of the axle is provided with a lubrication groove;

[0006] The lubrication device includes an oil reservoir, an oil delivery pipeline, a micro pump, and an oil passage. The oil reservoir is connected to the oil passage inside the wheel axle through the oil delivery pipeline. The micro pump is installed on the oil delivery pipeline, and the oil passage is connected to the lubrication groove on the surface of the wheel axle.

[0007] The control system includes sensors, a controller, and an alarm device. The controller can automatically adjust the speed of the micro pump based on the signals from the sensors, and the alarm device is installed on the oil storage tank.

[0008] Preferably, the lubrication grooves are evenly distributed along the circumference of the wheel axle, and the depth of the lubrication grooves is 1-3mm, ensuring that the lubricating oil can evenly cover the surface of the wheel axle. This size range can ensure sufficient lubricating oil storage without wasting materials or increasing processing difficulty due to excessive depth.

[0009] Preferably, the oil passage has a spiral structure, with the inlet of the oil passage connected to the oil delivery pipeline and the outlet of the oil passage connected to the lubrication groove. The spiral oil passage design can extend the flow path of the lubricating oil inside the wheel axle, so that the lubricating oil is more evenly distributed on the surface of the wheel axle during the flow process, thereby further improving the lubrication effect.

[0010] Preferably, the micro pump is a micro gear pump, and the flow rate adjustment range of the micro pump is 0.1-1.0 L / min, which can flexibly adjust the flow rate of lubricating oil according to the operating status of the pulley.

[0011] Preferably, the oil tank is equipped with a transparent observation window and a level sensor. The level sensor is connected to the alarm device, allowing maintenance personnel to visually observe the lubricating oil level. The level sensor is used to monitor the lubricating oil level in real time and is connected to the alarm device. When the level is lower than a set value, the alarm device will sound an alarm.

[0012] Preferably, the lubrication device further includes an oil return pipe, one end of which is connected to the oil passage inside the wheel axle, and the other end of which is connected to the oil reservoir, so that excess lubricating oil can return to the oil reservoir through the oil return pipe, thus avoiding waste of lubricating oil.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] During operation, when the lifting pulley begins to run, speed and load sensors monitor its operating status. Based on the sensor signals, the controller activates the micro-pump and adjusts its speed according to the pulley's initial speed and load. This allows lubricating oil to be delivered through the oil pipes to the oil passages inside the axle. The lubricating oil then flows into the lubrication grooves on the axle surface and is evenly distributed across the pulley surface, reducing friction between the pulley and the wire rope. The speed and load sensors continuously monitor changes in the pulley's speed and load, and the controller automatically adjusts the micro-pump's speed based on these signals to ensure the lubricating oil flow matches the pulley's operating status. If the lubricating oil level is lower than the set value or a malfunction occurs in the lubrication system, the alarm device will sound an alarm to remind maintenance personnel to handle the situation promptly. When the lifting pulley stops running, the speed sensor and load sensor detect the pulley's stopped state, the controller stops the operation of the micro pump, and the return oil pipe recovers excess lubricating oil to the oil tank, preventing lubricating oil from accumulating on the pulley surface when the pulley is not running, thus avoiding waste or contamination. Maintenance personnel can monitor the lubricating oil level in real time through the transparent observation window and level sensor on the oil tank, achieving automatic, uniform, and efficient lubrication, effectively reducing pulley wear, extending pulley service life, and reducing maintenance costs and labor intensity. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a front view of the overall structure of this utility model;

[0017] In the diagram: 1. Pulley body; 11. Wheel body; 12. Axle; 13. Bearing; 111. Lubrication groove; 2. Lubrication device; 21. Oil tank; 22. Oil pipeline; 23. Micro pump; 24. Oil passage; 3. Control system; 31. Sensor; 32. Controller; 33. Alarm device. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0019] Depend on Figure 1 As shown, this utility model includes a pulley body 1, a lubrication device 2, and a control system 3.

[0020] The pulley body 1 includes a wheel body 11, a wheel axle 12 and a bearing 13, and the surface of the wheel axle 12 is provided with a lubrication groove 111;

[0021] The lubrication device 2 includes an oil reservoir 21, an oil pipeline 22, a micro pump 23, and an oil passage 24. The oil reservoir 21 is connected to the oil passage 24 inside the wheel axle 12 through the oil pipeline 22. The micro pump 23 is installed on the oil pipeline 22. The oil passage 24 is connected to the lubrication groove 111 on the surface of the wheel axle 12.

[0022] The control system 3 includes a sensor 31, a controller 32, and an alarm device 33. The controller 32 can automatically adjust the speed of the micro pump 23 according to the signal from the sensor 31, and the alarm device 33 is installed on the oil storage tank 21.

[0023] The lubrication grooves 111 are evenly distributed along the circumference of the wheel axle 12, and the depth of the lubrication grooves 111 is 1-3mm, ensuring that the lubricating oil can evenly cover the surface of the wheel axle. This size range can ensure sufficient lubricating oil storage without wasting materials or increasing processing difficulty due to excessive depth.

[0024] The oil passage 24 has a spiral structure. The inlet of the oil passage 24 is connected to the oil delivery pipe 22, and the outlet of the oil passage 24 is connected to the lubrication groove 111. The spiral oil passage design can extend the flow path of the lubricating oil inside the wheel axle, so that the lubricating oil is more evenly distributed on the surface of the wheel axle during the flow process, and further improve the lubrication effect.

[0025] The micro pump 23 is a micro gear pump with a flow rate adjustment range of 0.1-1.0 L / min, which can flexibly adjust the flow rate of lubricating oil according to the operating status of the pulley.

[0026] The oil reservoir 21 is equipped with a transparent observation window and a level sensor. The level sensor is connected to the alarm device 33, allowing maintenance personnel to visually observe the lubricating oil level. The level sensor is used to monitor the lubricating oil level in real time and is connected to the alarm device 33. When the level is lower than the set value, the alarm device will sound an alarm.

[0027] The lubrication device 2 also includes an oil return pipe. One end of the oil return pipe is connected to the oil passage inside the wheel axle 12, and the other end of the oil return pipe is connected to the oil reservoir 21, so that excess lubricating oil can return to the oil reservoir through the oil return pipe, thus avoiding the waste of lubricating oil.

[0028] Working Principle: During operation, when the lifting pulley begins to run, speed sensor 311 and load sensor 312 monitor the pulley's running status. Based on the sensor signals, controller 32 starts micro-pump 23 and adjusts its speed according to the pulley's initial running speed and load. This allows lubricating oil to be delivered through oil pipe 22 to the oil passage 24 inside the axle 12. The lubricating oil flows through oil passage 24 into the lubrication groove 111 on the axle surface and is evenly distributed across the pulley surface, reducing friction between the pulley and the wire rope. Speed ​​sensor 311 and load sensor 312 monitor the pulley's running speed and load changes in real time. Based on these signals, controller 32 automatically adjusts the speed of micro-pump 23 to ensure the lubricating oil flow rate matches the pulley's speed. The operating status is matched. If the lubricating oil level is lower than the set value or the lubrication system malfunctions, the alarm device 33 will sound an alarm to remind maintenance personnel to deal with it in time. When the hoisting pulley stops running, the speed sensor 311 and the load sensor 312 detect the stop status of the pulley. The controller 32 stops the operation of the micro pump 23. The return oil pipe recovers the excess lubricating oil to the oil tank 21 to avoid the lubricating oil accumulating on the pulley surface when the pulley stops running, which would cause waste or pollution. Maintenance personnel can monitor the lubricating oil level in real time through the transparent observation window and level sensor on the oil tank 21. It can achieve automatic, uniform and efficient lubrication, effectively reduce pulley wear, extend the service life of the pulley, and reduce maintenance costs and labor intensity.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, 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 process, method, article, or apparatus.

[0030] 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. A lifting pulley with a self-lubricating structure, characterized in that: It includes a pulley body (1), a lubrication device (2), and a control system (3). The pulley body (1) includes a wheel body (11), a wheel axle (12) and a bearing (13), and the surface of the wheel axle (12) is provided with a lubrication groove (111); The lubrication device (2) includes an oil tank (21), an oil pipeline (22), a micro pump (23), and an oil passage (24). The oil tank (21) is connected to the oil passage (24) inside the axle (12) through the oil pipeline (22). The micro pump (23) is installed on the oil pipeline (22). The oil passage (24) is connected to the lubrication groove (111) on the surface of the axle (12). The control system (3) includes a sensor (31), a controller (32) and an alarm device (33). The controller (32) can automatically adjust the speed of the micro pump (23) according to the signal of the sensor (31). The alarm device (33) is installed on the oil storage tank (21).

2. The lifting pulley with a self-lubricating structure according to claim 1, characterized in that: The lubrication grooves (111) are evenly distributed along the circumference of the wheel axle (12), and the depth of the lubrication grooves (111) is 1-3 mm.

3. A lifting pulley with a self-lubricating structure according to claim 2, characterized in that: The oil passage (24) has a spiral structure. The inlet of the oil passage (24) is connected to the oil pipeline (22), and the outlet of the oil passage (24) is connected to the lubrication groove (111).

4. A lifting pulley with a self-lubricating structure according to claim 3, characterized in that: The micro pump (23) is a micro gear pump, and the flow rate adjustment range of the micro pump (23) is 0.1-1.0L / min.

5. A lifting pulley with a self-lubricating structure according to claim 4, characterized in that: The oil storage tank (21) is equipped with a transparent observation window and a liquid level sensor, which is connected to the alarm device (33).

6. A lifting pulley with a self-lubricating structure according to claim 5, characterized in that: The lubrication device (2) also includes an oil return pipe, one end of which is connected to the oil passage inside the wheel axle (12), and the other end of which is connected to the oil storage tank (21).

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