Real-time lubricating device for steel wire rope of crown block
By designing a real-time lubrication device for the Tianche wire rope including lubricating pulleys and oil pipes, the problem of lack of real-time lubrication devices in the prior art is solved, real-time lubrication of the steel wire rope is achieved, and service life is extended and the efficiency of the Tianche is improved.
Patent Information
- Application Number
- CN202420640205.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-30
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-03-30
AI Technical Summary
The lack of special wire rope lubrication devices in existing sky-cars, which leads to the need for manual and regular lubricating oil, which cannot achieve real-time lubrication, affecting the service life of the wire rope and the efficiency of the sky-car.
A real-time lubrication device for Tianche wire rope is designed, including a bracket, lubricating pulley shaft, lubricating pulley, oil pipe and oil tank. The circumferential groove of the lubricating pulley is in close contact with the wire rope, and the lubricating oil is distributed to the lubricating pulley shaft through the oil pipe and oil conduction hole. In the gap between the lubricating pulley, real-time lubrication of the wire rope is achieved.
Real-time lubrication of steel wire ropes is achieved, extending the service life of the steel wire ropes, reducing equipment maintenance time and expenses, and ensuring the stable and direct travel of the sky train.
Smart Images
Figure CN222459155U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a device for uninterruptedly lubricating a steel wire rope of an overhead crane, belonging to the technical field of overhead crane maintenance equipment. Background Art
[0002] In steel enterprises, overhead cranes are responsible for the circulation of the entire factory's logistics. As one of the three major components of the overhead crane, the wire rope is particularly important. The lifting and lowering of heavy objects all rely on the wire rope. The frequent operation of the overhead crane leads to the wear of the wire rope, and the strength of the wire rope will also decrease over time. How to ensure the good lubrication of the wire rope and extend the service life of the wire rope is related to the efficiency of the overhead crane. At present, there is no dedicated wire rope lubrication device on the existing overhead crane. It is necessary to manually apply lubricating oil to the wire rope regularly to lubricate and maintain the wire rope. This is the daily work of the overhead crane maintenance worker, which is time-consuming and labor-intensive, and cannot achieve the effect of real-time lubrication and maintenance of the wire rope. It is very necessary to make improvements. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a real-time lubrication device for a crane wire rope, which can ensure good lubrication of the wire rope, extend the service life of the wire rope, and ensure the safe use of the wire rope.
[0004] The technical solution to solve the above technical problems is:
[0005] A real-time lubrication device for a crane wire rope comprises a bracket, a lubricating pulley shaft, a lubricating pulley, an oil pipe and an oil tank. The bracket and the oil tank are respectively fixed on the crane steel structure outside the fixed pulley of the crane wire rope. The lubricating pulley is installed on the bracket through the lubricating pulley shaft. The steel wire rope is embedded in a circumferential groove of the lubricating pulley. The oil outlet of the oil pipe is connected to the lubricating pulley, and the oil inlet of the oil pipe is connected to the oil tank.
[0006] The above-mentioned real-time lubrication device for the overhead crane wire rope, the bracket is composed of a bottom plate and two side plates, the two side plates are parallel and vertically welded to the upper surface of the bottom surface, the two side plates are provided with corresponding axial holes, the lubrication pulley shaft is installed in the axial holes of the two side plates, the lubrication pulley is located in the middle of the two side plates, the center hole of the lubrication pulley is mounted on the lubrication pulley shaft, and the center hole of the lubrication pulley is rotatably matched with the outer wall of the lubrication pulley shaft.
[0007] The above-mentioned real-time lubrication device for the overhead crane wire rope has an oil hole at the center of one end of the lubricating pulley shaft, the oil hole reaches the midpoint of the lubricating pulley shaft along the central axis of the lubricating pulley shaft, and four oil guide holes are evenly distributed on the circumferential wall at the midpoint of the lubricating pulley shaft, the four oil guide holes are respectively connected to the oil hole on the central axis of the lubricating pulley shaft, and four lubricating oil holes are evenly distributed around the circumference of the groove on the bottom surface of the circumferential groove of the lubricating pulley, and the two ends of the four lubricating oil holes are respectively located on the bottom surface of the circumferential groove of the lubricating pulley and the outer wall of the lubricating pulley.
[0008] The beneficial effects of the utility model are:
[0009] The pulley groove of the lubrication pulley of the utility model is in close contact with the outer wall of the steel wire rope, the lubricating oil of the oil tank can enter the oil hole of the lubrication pulley shaft through the oil pipe, the lubricating oil is distributed to the gap between the lubrication pulley shaft and the lubrication pulley through the oil guide hole of the lubrication pulley shaft, and then enters the circumferential groove of the lubrication pulley through the lubricating oil hole of the lubrication pulley. As the steel wire rope and the lubrication pulley rotate, the lubricating oil is continuously coated on the steel wire rope in the circumferential groove of the lubrication pulley, thereby realizing real-time lubrication of the steel wire rope.
[0010] The utility model has a simple structure and is easy to use. It can ensure good lubrication of the wire rope, extend the service life of the wire rope, and ensure the safe use of the wire rope, thereby ensuring the stable and smooth movement of the overhead crane, reducing equipment maintenance time and saving equipment maintenance costs. It can create an annual benefit of 475,000 yuan. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a structural schematic diagram of the utility model;
[0012] Figure 2 It is a connection diagram of the lubricating pulley, the lubricating pulley shaft and the bracket;
[0013] Figure 3 yes Figure 2 sectional view of .
[0014] The markings in the figure are as follows: wire rope 1, fixed pulley 2, bracket 3, lubricating pulley shaft 4, lubricating pulley 5, oil pipe 6, oil tank 7, groove 8, oil hole 9, oil guide hole 10, lubricating oil hole 11, lock nut 12. DETAILED DESCRIPTION
[0015] The utility model is composed of a bracket 3, a lubricating pulley shaft 4, a lubricating pulley 5, an oil pipe 6, an oil tank 7 and a lock nut 12.
[0016] Figure 1It is shown that the bracket 3 and the oil tank 7 are respectively fixed on the crown crane steel structure outside the fixed pulley 2 of the crown crane wire rope 1, the lubricating pulley 5 is installed on the bracket 3 through the lubricating pulley shaft 4, the wire rope 1 is embedded in the circumferential groove 8 of the lubricating pulley 5, the oil inlet of the oil pipe 6 is connected to the oil tank 7, the oil outlet of the oil pipe 7 is connected to the lubricating pulley 4, and the lubricating oil in the oil tank 6 is transported to the lubricating pulley 5 through the oil pipe 7 to lubricate the wire rope 1.
[0017] Figure 2 , 3 It is shown that the bracket 3 is composed of a bottom plate and two side plates, the two side plates are parallel and vertically welded to the upper surface of the bottom surface, the two side plates have corresponding shaft holes, and the lubricating pulley shaft 4 is installed in the shaft holes of the two side plates. The two ends of the lubricating pulley shaft 4 are respectively threaded, and the lock nut 12 fixes the lubricating pulley shaft 4 to the two side plates of the bracket 3 through the thread. The lubricating pulley 5 is located between the two side plates, and the center hole of the lubricating pulley 5 is sleeved on the lubricating pulley shaft 4, and the center hole of the lubricating pulley 5 is rotationally matched with the outer wall of the lubricating pulley shaft 4.
[0018] Figure 2 , 3 It is shown that there is an oil hole 9 at the center of one end of the lubricating pulley shaft 4. The oil hole 9 reaches the midpoint of the lubricating pulley shaft 4 along the central axis of the lubricating pulley shaft 4. The oil hole 9 is connected to the oil outlet of the oil pipe 6. The lubricating oil enters the lubricating pulley shaft 4 from the oil pipe 6 through the oil hole 9.
[0019] Figure 3 It is shown that four oil guide holes 10 are evenly distributed on the circumferential wall at the midpoint of the lubricating pulley shaft 4, and the four oil guide holes 10 are respectively connected to the oil hole 9 of the central axis of the lubricating pulley shaft 4. The lubricating oil enters the gap between the outer wall of the lubricating pulley shaft 4 and the inner hole of the lubricating pulley 5 through the four oil guide holes 10.
[0020] Figure 3 It is shown that four lubricating oil holes 11 are evenly distributed around the circumference of the groove 8 on the bottom surface of the circumferential groove 8 of the lubricating pulley 5, and the two ends of the four lubricating oil holes 11 are respectively located on the bottom surface of the circumferential groove 8 of the lubricating pulley 5 and the outer wall of the lubricating pulley 5. The lubricating oil on the outer wall of the lubricating pulley shaft 4 enters the lubricating oil holes 11 of the lubricating pulley 5, and then enters the circumferential groove 8 of the lubricating pulley 5 through the lubricating oil holes 11 to lubricate the wire rope 1 in the groove 8.
[0021] The use process of the utility model is as follows:
[0022] The oil pipe 6 led out from the oil tank 7 is connected to the oil hole 9 at the center of the end face of the lubricating pulley shaft 4. The position of the oil tank 7 is higher than the height of the lubricating pulley shaft 4. The lubricating oil penetrates into the oil hole 9 of the lubricating pulley shaft 4 by pressure, and the lubricating oil enters the lubricating pulley shaft 4 from the oil pipe 6 through the oil hole 9;
[0023] Four oil guide holes 10 are arranged on the circumferential wall of the lubricating pulley shaft 4 at intervals of 90 degrees in the circumferential direction. The four oil guide holes 10 are respectively connected to the oil hole 9 in the center of the lubricating pulley shaft 4. The lubricating oil enters the gap between the outer wall of the lubricating pulley shaft 4 and the inner hole of the lubricating pulley 5 through the four oil guide holes 10.
[0024] On the bottom surface of the circumferential groove 8 of the lubricating pulley 5, four lubricating oil holes 11 are evenly distributed around the circumference of the groove 8. The four lubricating oil holes 11 pass through the circumferential wall of the lubricating pulley 5 and are opposite to the outer wall of the lubricating pulley shaft 4. The lubricating oil on the outer wall of the lubricating pulley shaft 4 enters the lubricating oil holes 11 of the lubricating pulley 5, and then enters the circumferential groove 8 of the lubricating pulley 5 through the lubricating oil holes 11.
[0025] During the rising and falling process of the steel wire rope 1 , the lubricating oil in the circumferential groove 8 of the lubricating pulley 5 can continuously penetrate into the steel wire rope 1 embedded in the groove 8 of the lubricating pulley 5 , thereby completing the lubrication of the steel wire rope 1 .
[0026] An embodiment of the present utility model is as follows:
[0027] The length of the bracket 3 is 200 mm, the width is 80 mm, and the height is 300 mm;
[0028] The diameter of the lubricating pulley shaft 4 is 50 mm, the diameter of the oil hole 9 is 8 mm and the length is 70 mm, and the diameter of the oil guide hole 10 is 5 mm and the length is 50 mm;
[0029] The diameter of the lubricating pulley 5 is 300 mm, the thickness is 62 mm, the inner diameter is 50 mm, the width of the groove 8 is 20 mm, the depth is 30 mm, the diameter of the lubricating oil hole 11 is 8 mm, and the length is 85 mm;
[0030] The oil pipe 6 has a diameter of 8 mm and a length of 1500 mm;
[0031] The fuel tank 7 has a length of 200 mm, a width of 50 mm and a height of 300 mm;
[0032] The threaded hole diameter of the lock nut 12 is 8 mm.
Claims
1. A real-time lubrication device for a crane wire rope, characterized in that: The invention comprises a bracket (3), a lubricating pulley shaft (4), a lubricating pulley (5), an oil pipe (6), and an oil tank (7). The bracket (3) and the oil tank (7) are respectively fixed to the steel structure of the overhead crane outside the fixed pulley (2) of the overhead crane wire rope (1). The lubricating pulley (5) is installed on the bracket (3) through the lubricating pulley shaft (4). The steel wire rope (1) is embedded in a circumferential groove (8) of the lubricating pulley (5). The oil outlet of the oil pipe (6) is connected to the lubricating pulley (5), and the oil inlet of the oil pipe (6) is connected to the oil tank (7).
2. The real-time lubrication device for the overhead crane wire rope according to claim 1 is characterized in that: The bracket (3) is composed of a bottom plate and two side plates. The two side plates are parallel and vertically welded to the upper surface of the bottom surface. The two side plates are provided with corresponding shaft holes. The lubricating pulley shaft (4) is installed in the shaft holes of the two side plates. The lubricating pulley (5) is located between the two side plates. The center hole of the lubricating pulley (5) is sleeved on the lubricating pulley shaft (4). The center hole of the lubricating pulley (5) is rotationally matched with the outer wall of the lubricating pulley shaft (4).
3. The real-time lubrication device for the overhead crane wire rope according to claim 1 is characterized in that: An oil hole (9) is provided at the center of one end of the lubricating pulley shaft (4), and the oil hole (9) reaches the midpoint of the lubricating pulley shaft (4) along the central axis of the lubricating pulley shaft (4). Four oil guide holes (10) are evenly distributed on the circumferential wall at the midpoint of the lubricating pulley shaft (4), and the four oil guide holes (10) are respectively connected to the oil hole (9) at the central axis of the lubricating pulley shaft (4). Four lubricating oil holes (11) are evenly distributed around the circumference of the groove (8) on the bottom surface of the circumferential groove (8) of the lubricating pulley (5), and the two ends of the four lubricating oil holes (11) are respectively located on the bottom surface of the circumferential groove (8) of the lubricating pulley (5) and the outer wall of the lubricating pulley (5).