Speed reducer of lightweight hoisting equipment

Abstract

The utility model relates to the technical field of speed reducers, and discloses a speed reducer of lightweight hoisting equipment, which comprises a box body, a motor is mounted at the top of the box body, a first rotating shaft is fixedly connected to an output shaft of the motor, a bevel gear is fixedly connected to the bottom end of the first rotating shaft, a rotating shaft is rotatably connected to one side of the box body through a bearing, and a second rotating shaft is fixedly connected to the other side of the box body through a bearing. The outer surface of the rotating shaft is fixedly sleeved with an end face gear, the bevel gear is meshed with the end face gear, the bevel gear and the end face gear are connected, so that the input end is located above the box body and closer to the output end of the device, the structure is compact, the occupied transverse space is reduced, the device is used for light-weight hoisting equipment, and the speed reduction effect is good while speed reduction motion is conducted. And dripping and spraying of a small amount of lubricating oil are achieved through reciprocating sliding of the second piston, so that the bevel gear and the end face gear are lubricated, high-temperature generation and friction loss caused by long-time working of the bevel gear and the end face gear are reduced, and the service life of the device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of speed reducer, concretely to a speed reducer of lightweight hoisting equipment. BACKGROUND

[0002] Speed reducer is a kind of independent component by the gear drive, worm drive or gear-worm drive enclosed in rigid shell, mainly used in the speed reduction transmission device between prime mover and working machine, plays an important role in hoisting equipment.

[0003] The internal structure of existing speed reducer is complex, and the speed reduction movement is carried out by the meshing of various gear components, and since the hoisting equipment is driven to work, the gear inside the speed reducer works under great pressure, and long-time work can easily cause high temperature of each gear, thereby affecting the meshing degree between each gear, which will affect the service life of speed reducer to some extent.

[0004] Therefore, it is necessary to design a speed reducer of lightweight hoisting equipment to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a speed reducer of lightweight hoisting equipment to solve the technical problems proposed in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a speed reducer of lightweight hoisting equipment, comprising a box body, a motor is installed on the top of the box body, and a first rotating shaft is fixedly connected to the output shaft of the motor, a bevel gear is fixedly connected to the bottom end of the first rotating shaft, a rotating shaft is rotatably connected to one side of the box body through a bearing, an end face gear is fixedly sleeved on the outer surface of the rotating shaft, the bevel gear and the end face gear are meshed, a turntable is fixedly connected to one end of the rotating shaft, a plug column is fixedly connected to one side of the turntable, a sliding block is slidably arranged in the box body, a plug groove is formed in one side of the sliding block, the plug column is slidably inserted into the plug groove, a filling pipe is fixedly connected to one side of the inner cavity of the box body, a connecting column is fixedly connected to one side of the sliding block, the connecting column is slidably inserted into the filling pipe, a second piston is fixedly connected to one end of the connecting column, the second piston is slidably arranged in the filling pipe, a one-way valve is installed at one end of the filling pipe, a spray pipe is communicated with one side of the filling pipe, an oil injection head is fixedly connected to one end of the spray pipe, an oil inlet pipe is communicated with the top of the filling pipe, an oil storage tank is communicated with the top of the oil inlet pipe, an oil delivery pipe is communicated with the top of the oil storage tank, and the top end of the oil delivery pipe penetrates the outside of the box body.

[0007] Preferably, the inner cavity of the box is provided with T-shaped sliding grooves at the top and bottom, and the top and bottom of the sliding block are fixedly connected with limiting blocks, and the two ends of the sliding block are slidingly connected with the two T-shaped sliding grooves.

[0008] Preferably, the bevel gear and the face gear are rotatably arranged in the box, and the tooth number ratio of the bevel gear and the face gear is 1:4.

[0009] Preferably, a gap is arranged between the oil injection head and the face gear, the oil injection head is located on one side of the tooth surface of the face gear, and the oil storage hopper is located on one side of the bevel gear and the face gear.

[0010] Preferably, the nozzle is located on the side of the oil inlet pipe away from the connecting column, the oil inlet pipe penetrates the top of the filling pipe, and the bottom end of the oil inlet pipe is attached to the outer surface of the second piston.

[0011] Preferably, the one-way valve is installed at the end of the filling pipe away from the sliding block, one end of the one-way valve penetrates the outside of the box, and the top end of the oil delivery pipe is provided with a first piston.

[0012] Compared with the prior art, the technical scheme of the utility model has the beneficial effects as follows:

[0013] The utility model discloses a bevel gear and face gear connection setting make input in the top of the box, more close device output end, compact structure, reduce the horizontal space occupation, be used for lightweight hoisting equipment, in the deceleration movement, through the reciprocating sliding of second piston, realize a little lubricating oil's drop and spray work to the lubrication of bevel gear and face gear, so that reduce the high temperature generation and friction loss of bevel gear and face gear long -time work, thereby improve the service life of device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structural schematic diagram of the utility model;

[0015] Fig. 2 It is the box structure exploded view of the utility model;

[0016] Fig. 3 It is the filling pipe structure exploded view of the utility model;

[0017] In the drawing: 1, box;2, rotating shaft;3, motor;4, oil delivery pipe;5, first piston;6, one-way valve;7, first rotary shaft;8, bevel gear;9, face gear;10, rotating disc;11, filling pipe;12, nozzle;13, oil injection head;14, oil inlet pipe;15, oil storage hopper;16, second piston;17, connecting column;18, insertion column;19, sliding block;20, insertion slot;21, limiting block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described in connection with the drawings in the embodiments of the utility model.

[0019] Obviously, a lot of specific details are set forth in the following description in order to provide a thorough understanding of the utility model. However, the utility model can also be implemented in other ways different from the description herein, and therefore the utility model is not limited to the specific embodiments disclosed in the following description.

[0020] Please refer to Figs. 1-3The utility model provides a kind of reducer of lightweight hoisting equipment, including box 1, the top of box 1 is equipped with motor 3, and the output shaft of motor 3 is fixed with first rotating shaft 7, the bottom of first rotating shaft 7 is fixed with bevel gear 8, and the side of box 1 is rotatably connected with rotating shaft 2 by bearing, the outer surface of rotating shaft 2 is fixedly sleeved with face gear 9, and bevel gear 8 and face gear 9 are engaged, and one end of rotating shaft 2 is fixed with rotating disc 10, one side of rotating disc 10 is fixed with plug post 18, and the inside of box 1 is slidably provided with sliding block 19, and one side of sliding block 19 is equipped with slot 20, and plug post 18 is slidably inserted in the inside of slot 20, and the inside of box 1 is fixed with filling pipe 11 on one side, and one side of sliding block 19 is fixed with connecting column 17, one end of connecting column 17 is slidably inserted in the inside of filling pipe 11, and one end of connecting column 17 is fixed with second piston 16, and second piston 16 is slidably arranged in the inside of filling pipe 11, and one end of filling pipe 11 is equipped with check valve 6, and the side of filling pipe 11 is communicated with spray pipe 12, and one end of spray pipe 12 is fixed with oil injection head 13, the top of filling pipe 11 is communicated with oil inlet pipe 14, and the top of oil inlet pipe 14 is communicated with oil storage tank 15, the top of oil storage tank 15 is communicated with oil delivery pipe 4, and the top of oil delivery pipe 4 penetrates the outside of box 1, by input end above box 1, more close to device output end, compact structure, reduce transverse space occupancy, for lightweight hoisting equipment, when motor 3 is opened, by bevel gear 8 drive face gear 9 to carry out deceleration rotation, to realize the deceleration rotation of rotating shaft 2, while rotating shaft 2 rotates, by the rotation of rotating disc 10, reciprocating sliding of plug post 18 in the inside of slot 20, drive sliding block 19 to reciprocate horizontally in the inside of box 1, to utilize the reciprocating sliding of connecting column 17 and second piston 16 in the inside of filling pipe 11, when second piston 16 slides away from the side of check valve 6, by check valve 6, air is sucked, when second piston 16 gradually moves away from the bottom of oil inlet pipe 14, lubricating oil filled in the inside of oil storage tank 15 slowly drops into the inside of filling pipe 11, when second piston 16 slides to the side of check valve 6, check valve 6 prevents air from being discharged, so that second piston 16 pushes a small amount of lubricating oil, which is sprayed to the outer surface of face gear 9 by spray pipe 12 and oil injection head 13, to carry out lubrication cooling work to bevel gear 8 and face gear 9, and by the reciprocating motion of second piston 16 multiple times, and the multiple small drops of lubricating oil, the filling work of lubricating oil can be filled automatically multiple times, to realize the lubricating effect of bevel gear 8 and face gear 9, reduce the heat and abrasion generated by long time work of bevel gear 8 and face gear 9, improve the service life of device.

[0021] In order to improve the sliding stability of the sliding block 19 inside the box 1 when the rotating disc 10 rotates, the inner cavity top and bottom of the box 1 are provided with T-shaped sliding grooves, and the top and bottom of the sliding block 19 are fixedly connected with limiting blocks 21, and the two ends of the sliding block 19 and the two limiting blocks 21 are respectively slidingly connected in the two T-shaped sliding grooves.

[0022] In order to make the rotating shaft 2 move at a reduced speed, and to save the space inside the box 1, the bevel gear 8 and the face gear 9 are rotatably arranged inside the box 1, and the tooth number ratio of the bevel gear 8 and the face gear 9 is 1:4.

[0023] In order to facilitate the spraying of the oil injection head 13 to spray lubricating oil on the outer surface of the face gear 9, a gap is provided between the oil injection head 13 and the face gear 9, and the oil injection head 13 is located on the tooth surface side of the face gear 9, and the oil tank 15 is located on one side of the bevel gear 8 and the face gear 9.

[0024] Further, in order to facilitate the spraying and dripping of the lubricating oil, the spray pipe 12 is located on the side of the oil inlet pipe 14 away from the connecting column 17, the oil inlet pipe 14 penetrates the top of the filling pipe 11, and the bottom end of the oil inlet pipe 14 is in close contact with the outer surface of the second piston 16.

[0025] Further, in order to facilitate the control of the air flow inside the filling pipe 11, thereby facilitating the reciprocating sliding of the second piston 16 inside the filling pipe 11, the one-way valve 6 is installed on the end of the filling pipe 11 away from the sliding block 19, and one end of the one-way valve 6 penetrates the outside of the box 1, and the top end of the oil inlet pipe 4 is provided with the first piston 5.

[0026] The preferred embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.

[0027] In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the present application will not further describe various possible combinations. In addition, the various embodiments of the present application can also be combined in any manner, as long as it does not deviate from the technical concept of the present application, it should be considered as disclosed by the present application.

Claims

1. A speed reducer for lightweight lifting equipment, comprising a housing (1), characterized in that: A motor (3) is installed on the top of the housing (1), and the output shaft of the motor (3) is fixedly connected to a first rotating shaft (7), the bottom end of the first rotating shaft (7) is fixedly connected to a bevel gear (8), and one side of the housing (1) is rotatably connected to a rotating shaft (2) through a bearing, the outer surface of the rotating shaft (2) is fixedly sleeved with an end face gear (9), and the bevel gear (8) and the end face gear (9) are meshed, and one end of the rotating shaft (2) is fixedly connected to a turntable (10), one side of the turntable (10) is fixedly connected to a plug (18), and a sliding block (19) is slidably provided inside the housing (1), and a slot (20) is opened on one side of the sliding block (19), and the plug (18) is slidably plugged into the inside of the slot (20), and a filling material is fixedly connected to one side of the inner cavity of the housing (1). The filling tube (11) is provided with a connecting column (17) fixedly connected to one side of the sliding block (19), one end of the connecting column (17) is slidably inserted into the interior of the filling tube (11), and one end of the connecting column (17) is fixedly connected to a second piston (16), the second piston (16) is slidably arranged in the interior of the filling tube (11), and a one-way valve (6) is installed at one end of the filling tube (11), and one side of the filling tube (11) is connected to a nozzle (12), and one end of the nozzle (12) is fixedly connected to an oil spray head (13), the top of the filling tube (11) is connected to an oil inlet pipe (14), and the top of the oil inlet pipe (14) is connected to an oil storage hopper (15), the top of the oil storage hopper (15) is connected to an oil delivery pipe (4), and the top of the oil delivery pipe (4) passes through the outside of the box body (1).

2. The reducer for lightweight lifting equipment according to claim 1, characterized in that: The top and bottom of the inner cavity of the box body (1) are both provided with T-shaped sliding grooves, and the top and bottom ends of the sliding block (19) are both fixedly connected to the limiting clamping blocks (21), and the two ends of the sliding block (19) and the two limiting clamping blocks (21) are respectively slidably clamped in the interior of the two T-shaped sliding grooves.

3. The reducer for lightweight lifting equipment according to claim 1, characterized in that: The bevel gear (8) and the end face gear (9) are both rotatably arranged inside the box body (1), and the gear ratio of the bevel gear (8) and the end face gear (9) is 1:

4.

4. The reducer for lightweight lifting equipment according to claim 1, characterized in that: A gap is provided between the oil spray head (13) and the end face gear (9), and the oil spray head (13) is located on one side of the tooth surface of the end face gear (9), and the oil storage hopper (15) is located on one side of the bevel gear (8) and the end face gear (9).

5. The reducer for lightweight lifting equipment according to claim 1, characterized in that: The nozzle (12) is located on a side of the oil inlet pipe (14) away from the connecting column (17), the oil inlet pipe (14) passes through the top of the filling pipe (11), and the bottom end of the oil inlet pipe (14) is in contact with the outer surface of the second piston (16).

6. The reducer for lightweight lifting equipment according to claim 1, characterized in that: The one-way valve (6) is installed at one end of the filling pipe (11) away from the sliding block (19), and one end of the one-way valve (6) passes through the outside of the box (1), and the top end of the oil delivery pipe (4) is plugged with a first piston (5).

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