Automatic lubricating device for pulley of bridge crane

Abstract

The utility model discloses an automatic lubricating device for a bridge crane pulley, and relates to the technical field of crane pulleys. The pulley comprises two fixing plates, the two fixing plates are symmetrically distributed, a first rotating shaft rotationally penetrates through the position, close to the center, between the two fixing plates, three pulley bodies distributed at equal intervals are fixedly arranged on the first rotating shaft, and a second rotating shaft rotationally penetrates through the position, close to the top end, between the two fixing plates. An oil storage block is fixedly arranged between the two fixing plates and close to the top end, and the second rotating shaft penetrates through the oil storage block. The pulley body and the first rotating shaft are matched with the synchronous belt to drive the second rotating shaft to rotate, the movable block is matched with the threads to drive the flow stopping block to move, when the pulley body is put down and rolled up, the movable block can move in different directions, and therefore the oil outlet hole is blocked or opened; therefore, the function of intermittent automatic lubrication is achieved, and the workload of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of crane pulleys, in particular to an automatic lubrication device for a bridge crane pulley. Background Art

[0002] A bridge crane is a type of lifting equipment that is horizontally mounted above workshops, warehouses, and material yards to lift materials. It has a wide range of applications.

[0003] During use, pulley lubrication is a key step to ensure its efficient operation and extend the service life of the equipment. When lubricating the pulley, lubricant cannot be added automatically. It is necessary to stop the machine and manually add lubricating oil to the pulley at irregular intervals. This operation method is more troublesome and inefficient, which increases the workload of the staff. Utility Model Content

[0004] In order to solve the problem that workers need to manually add lubricating oil from time to time when lubricating the pulley, the purpose of the utility model is to provide an automatic lubricating device for the pulley of a bridge crane.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: an automatic lubrication device for a bridge crane pulley, comprising a fixed plate, wherein there are two fixed plates and they are symmetrically distributed, a first rotating shaft is provided between the two fixed plates near the center for rotation, and three pulley bodies distributed evenly spaced are fixed on the first rotating shaft, a second rotating shaft is provided between the two fixed plates near the top for rotation, an oil storage block is fixed between the two fixed plates near the top, the second rotating shaft passes through the oil storage block, and three groups of evenly spaced threads are provided on the second rotating shaft inside the oil storage block, a moving block is sleeved on the thread, a baffle block is fixedly connected to the bottom end of the moving block, and an oil outlet hole is provided on the oil storage block above the pulley body, and the baffle block fits tightly with the oil outlet hole.

[0006] Preferably, an oil outlet hose is fixedly connected to the oil outlet hole, a movable plate is provided between the oil storage block and the pulley body, one end of the movable plate is fixedly connected to a telescopic rod, the other end of the telescopic rod is fixedly connected to the inner wall of the fixed plate, the other end of the movable plate is fixedly connected to a push rod, and one end of the oil outlet hose is inserted through the movable plate; a support plate is fixedly provided on the side of the fixed plate away from the telescopic rod, a cylinder is fixedly provided on the top of the support plate, and the output end of the cylinder is fixedly connected to one end of the push rod.

[0007] Compared with the prior art, the beneficial effects of the present invention are:

[0008] 1. The utility model uses a pulley body and a first rotating shaft in conjunction with a synchronous belt to drive the second rotating shaft to rotate, and cooperates with the thread to enable the moving block to drive the flow blocking block to move. When the pulley body is lowered and reeled, the moving block will move in different directions, so that the oil hole is blocked or opened, thereby achieving intermittent automatic lubrication and reducing the workload of the staff;

[0009] 2. The cylinder pushes the push rod to move, which drives the moving plate to move, so that the oil discharge hose moves left and right under the action of the moving plate, and cooperates with the telescopic rod to assist in oil discharge, making lubrication more comprehensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0012] Figure 2 For this utility model Figure 1 A magnified schematic diagram of the structure in the middle.

[0013] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0014] Figure 4 For this utility model Figure 3 The structure at B in the middle is shown as an enlarged diagram.

[0015] In the figure: 1. fixed plate; 11. pulley body; 12. first rotating shaft; 2. second rotating shaft; 21. synchronous belt; 22. thread; 23. moving block; 24. flow blocking block; 25. oil outlet hole; 3. oil storage block; 4. oil inlet pipe; 41. sealing plug; 5. cylinder; 51. support plate; 52. push rod; 53. moving plate; 54. telescopic rod; 55. oil outlet hose. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] Example: Figure 1-4 As shown, the utility model provides an automatic lubrication device for a bridge crane pulley, comprising a fixed plate 1, wherein there are two fixed plates 1 and they are symmetrically distributed, a first rotating shaft 12 is provided between the two fixed plates 1 and rotates through the center, and three pulley bodies 11 distributed at equal intervals are fixed on the first rotating shaft 12, a second rotating shaft 2 is provided between the two fixed plates 1 and rotates through the top, an oil storage block 3 is fixed between the two fixed plates 1 and the top, the second rotating shaft 2 rotates through the oil storage block 3, and three groups of threads 22 distributed at equal intervals are provided on the second rotating shaft 2 and located in the oil storage block 3, a moving block 23 is sleeved on the thread 22, a baffle block 24 is fixedly connected to the bottom end of the moving block 23, an oil outlet hole 25 is provided on the oil storage block 3 above the pulley body 11, and the baffle block 24 fits tightly with the oil outlet hole 25.

[0018] An oil outlet hose 55 is fixedly connected to the oil outlet hole 25, and a movable plate 53 is provided between the oil storage block 3 and the pulley body 11. One end of the movable plate 53 is fixedly connected to a telescopic rod 54, and the other end of the telescopic rod 54 is fixedly connected to the inner wall of the fixed plate 1, and the other end of the movable plate 53 is fixedly connected to a push rod 52, and one end of the oil outlet hose 55 is inserted through the movable plate 53; a support plate 51 is fixedly provided on the side of the fixed plate 1 away from the telescopic rod 54, and a cylinder 5 is fixedly provided on the top of the support plate 51, and the output end of the cylinder 5 is fixedly connected to one end of the push rod 52; the push rod 52 is pushed by the cylinder 5 to move, thereby driving the movable plate 53 to move, so that the oil outlet hose 55 moves left and right under the action of the movable plate 53, and cooperates with the telescopic rod 54 to assist in oil discharge, making lubrication more comprehensive.

[0019] An oil inlet pipe 4 is provided through one side of the fixed plate 1 and one side of the oil storage block 3. A sealing plug 41 is provided at one end of the oil inlet pipe 4. Oil is added through the oil inlet pipe 4, and the sealing plug 41 is used to prevent dust from falling in.

[0020] The first rotating shaft 12 and the second rotating shaft 2 are connected via a synchronous belt 21 ; when the pulley rotates, the first rotating shaft 12 can drive the second rotating shaft 2 to rotate.

[0021] The oil outlet holes 25 and the oil outlet hoses 55 correspond one to one with the three pulley bodies 11 , and the three oil outlet holes 25 are all facing the track grooves of the adjacent pulley bodies 11 ; by having the oil outlet holes 25 correspond to the adjacent pulley bodies 11 , the lubricating oil can fall accurately on the pulley bodies 11 .

[0022] Working principle: When the pulley is operating, the pulley body 11 rotates, driving the first rotating shaft 12 to rotate, and driving the second rotating shaft 2 to rotate synchronously through the synchronous belt 21. When the second rotating shaft 2 rotates, the thread 22 provided on the second rotating shaft 2 is cooperated to move the moving block 23. When the pulley body 11 is lowered and reeled, the moving block 23 is moved in different directions, so that the oil outlet hole 25 is blocked or opened, thereby achieving the effect of intermittent automatic lubrication and reducing the workload of the staff. Subsequently, the cylinder 5 is driven to push the push rod 52 through the cylinder 5, and cooperate with the telescopic rod 54 to move the moving plate 53, thereby driving the oil outlet hose 55 provided in the oil outlet hole 25 to move left and right, so that lubrication is more comprehensive.

[0023] When lubricating oil needs to be added, it is added through the oil inlet pipe 4 , and then a sealing plug 41 is inserted to seal the oil inlet pipe 4 to prevent dust from entering the oil storage block 3 .

[0024] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. An automatic lubrication device for a bridge crane pulley, comprising a fixed plate (1), characterized in that: There are two fixed plates (1) and they are symmetrically distributed. A first rotating shaft (12) is rotatably passed through the center between the two fixed plates (1). Three pulley bodies (11) are fixedly provided on the first rotating shaft (12) and are equidistantly distributed. A second rotating shaft (2) is rotatably passed through the top of the two fixed plates (1). An oil storage block (3) is fixedly provided between the two fixed plates (1) and is equidistantly distributed. The second rotating shaft (2) passes through the oil storage block (3). Three groups of threads (22) equidistantly distributed are provided on the second rotating shaft (2) and are located inside the oil storage block (3). A moving block (23) is sleeved on the thread (22). A flow blocking block (24) is fixedly connected to the bottom end of the moving block (23). An oil outlet hole (25) is provided on the oil storage block (3) above the pulley body (11). The flow blocking block (24) is tightly fitted with the oil outlet hole (25).

2. The automatic lubrication device for pulleys of a bridge crane according to claim 1, characterized in that: An oil outlet hose (55) is fixedly connected to the oil outlet hole (25), a movable plate (53) is provided between the oil storage block (3) and the pulley body (11), one end of the movable plate (53) is fixedly connected to a telescopic rod (54), the other end of the telescopic rod (54) is fixedly connected to the inner wall of the fixed plate (1), the other end of the movable plate (53) is fixedly connected to a push rod (52), and one end of the oil outlet hose (55) is inserted through the movable plate (53).

3. The automatic lubrication device for pulleys of a bridge crane according to claim 1, characterized in that: A support plate (51) is fixedly provided on the side of the fixed plate (1) away from the telescopic rod (54), a cylinder (5) is fixedly provided on the top of the support plate (51), and an output end of the cylinder (5) is fixedly connected to one end of the push rod (52).

4. The automatic lubrication device for pulleys of a bridge crane according to claim 1, characterized in that: An oil inlet pipe (4) is provided through one side of the fixed plate (1) and one side of the oil storage block (3), and a sealing plug (41) is provided at one end of the oil inlet pipe (4).

5. The automatic lubrication device for pulleys of a bridge crane according to claim 2, characterized in that: The first rotating shaft (12) and the second rotating shaft (2) are connected via a synchronous belt (21).

6. The automatic lubrication device for pulleys of a bridge crane according to claim 2, characterized in that: The oil outlet holes (25) and the oil outlet hoses (55) correspond to the three pulley bodies (11) one by one, and the three oil outlet holes (25) are all directly opposite to the track grooves of the adjacent pulley bodies (11).

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