High-power pneumatic roller

Abstract

The utility model relates to a high-power pneumatic roller which comprises a pneumatic motor used for providing a power source; the primary speed reducer is connected with the pneumatic motor and is used for receiving and converting the power of the pneumatic motor; the driving sun gear is connected to a main shaft of the primary speed reducer and rotates along with the main shaft; the driven gear is meshed with the driving sun gear; the driven gear ring is meshed with the driven gear and fixed on the inner wall of the outer cylinder, and the driven gear ring drives the outer cylinder to do circular motion; the first end cover and the second end cover are fixed to the two sides of the pneumatic roller, and all parts of the pneumatic roller are supported through the power end shaft and the second end shaft; and the compressed air pipeline is connected with the pneumatic motor and is used for conveying compressed air to drive the pneumatic motor to operate. According to the utility model, a set of efficient and stable power transmission path is constructed, the power of the pneumatic motor can be continuously and stably transmitted to the outer cylinder, the torque output is effectively amplified, and the loading capacity and the operation efficiency of equipment are obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power cylinder technical field, specifically is a kind of high-power pneumatic cylinder. BACKGROUND

[0002] Pneumatic cylinder is widely used in material transportation field as the key mechanical device of driving conveyor belt operation or changing the running direction of conveyor belt. Its working principle is to realize the transportation of goods by the friction between the surface of the goods to be transported and the conveyor belt.

[0003] In the prior art, most pneumatic cylinders are driven by electricity. However, in certain working scenarios such as mines, there are flammable and explosive substances, so using electric power to drive mineral transportation poses a great safety risk, and therefore the use of electrically driven equipment is strictly prohibited. At the same time, the mineral transportation line in the mine and other scenarios usually needs to carry heavy loads, which puts high requirements on the driving power of the cylinder. Compressed air, as a safe and reliable power source, is widely used in such places. However, there is currently a lack of high-power pneumatic cylinder products based on compressed air drive that can meet the needs of heavy load scenarios such as mines. Therefore, there is an urgent need to develop a high-power pneumatic cylinder to fill the technical gap in this field and meet the material transportation needs in specific scenarios. SUMMARY

[0004] To solve the above problems, the utility model provides a kind of high-power pneumatic cylinder that effectively amplifies torque output and stably carries out power transmission at high speed.

[0005] The technical scheme adopted by the utility model to solve the above technical problems is: a kind of high-power pneumatic cylinder, comprising

[0006] Pneumatic motor for providing power source;

[0007] Primary speed reducer connected to the pneumatic motor for receiving and converting the power of the pneumatic motor;

[0008] Driving sun gear connected to the main shaft of the primary speed reducer and rotating with the main shaft;

[0009] Driven gear meshing with the driving sun gear;

[0010] Driven gear ring meshing with the driven gear and fixed to the inner wall of the outer cylinder, the driven gear ring drives the outer cylinder to move in a circle;

[0011] First end cover and second end cover are fixed on both sides of the pneumatic cylinder respectively, and an integrated power end shaft is connected to the first end cover, the second end cover is detachably connected with a second end shaft, and the power end shaft and the second end shaft are used to support the components of the pneumatic cylinder;

[0012] The outer cylinder is rotatably connected with a first end cover and a second end cover at two ends respectively.

[0013] The compressed air pipeline connected with the pneumatic motor is further included for conveying compressed air to drive the pneumatic motor to operate.

[0014] As preferred, the driven gears are installed between the first end cover and the gear mounting plate through a driven gear shaft, one end of the driven gear shaft is fixed on the first end cover, the other end of the driven gear shaft is fixed on the gear mounting plate, the second end shaft is fixedly connected with the tail of the pneumatic motor, the output end of the main shaft passes through the gear mounting plate, the driving sun gear in sequence and is rotatably connected with the first end cover, the first end cover and the second end cover are both sleeved with outer ring supporting bearings, and the two outer ring supporting bearings are respectively assembled on the outer ring bearing positions in the two ends of the outer cylinder.

[0015] As preferred, the number of the driven gears is set to be several and is uniformly distributed around the driving sun gear.

[0016] As preferred, a fixed shaft is further included, one end of the fixed shaft is fixed on the gear mounting plate, and the other end of the fixed shaft is fixed on one end of the second end shaft close to the tail of the pneumatic motor.

[0017] As preferred, the primary speed reducer is connected with the pneumatic motor through a shaft coupling.

[0018] As preferred, a pressure regulating valve is arranged on the compressed air pipeline for regulating the compressed air pressure entering the pneumatic motor.

[0019] As preferred, the driven gears are planetary gears.

[0020] One end of the compressed air pipeline away from the pneumatic motor penetrates the second end cover and is communicated with the atmosphere.

[0021] Compared with the prior art, the pneumatic motor has the following beneficial effects:

[0022] 1. Efficient and stable power transmission: the pneumatic motor drives the primary speed reducer, the driving sun gear is driven by the main shaft of the primary speed reducer, and the driven gear ring is driven by the driven gear system, which builds an efficient and stable power transmission path, ensures that the drum can continuously and stably transmit the power of the pneumatic motor to the outer cylinder during operation, and avoids the problems of power loss and unstable transmission that may occur in the traditional driving mode.

[0023] 2. Excellent torque amplification effect: the driven gear transmission system has a unique torque amplification characteristic, the driving sun gear drives the driven gear ring through the driven gear, while realizing the circumferential movement of the outer cylinder, effectively amplifying the torque output; compared with the traditional driving device, this makes the pneumatic drum can easily cope with the heavy load working condition of the mineral transportation line in the mine and other places when driving the conveyor belt, significantly improves the load capacity and operation efficiency of the equipment, and ensures reliable operation in harsh working environment. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a three-dimensional structure schematic diagram of the utility model;

[0025] Figure 2 is a three-dimensional structure schematic diagram of the utility model hidden outer cylinder;

[0026] Figure 3 is a three-dimensional structure schematic diagram of the utility model outer cylinder;

[0027] Figure 4 is a three-dimensional structure schematic diagram of the utility model driven sun gear, driven gear and driven gear ring. DETAILED DESCRIPTION

[0028] The utility model will be described below in conjunction with Figures 1-4 The utility model is explained by the illustrative embodiments and the description of the utility model, but it is not as a limitation of the utility model.

[0029] A high-power pneumatic drum, comprising a pneumatic motor 1 for providing a power source;

[0030] A primary speed reducer 2 is connected with the pneumatic motor for receiving and converting the power of the pneumatic motor, specifically, the primary speed reducer is connected with the pneumatic motor through a shaft coupling;

[0031] A driving sun gear 3 is connected to the main shaft of the primary speed reducer and rotates with the main shaft;

[0032] A driven gear 4 is engaged with the driving sun gear, the number of driven gears can be set to several according to industrial demand and uniformly distributed around the driving sun gear, and the driven gear in the application is a planetary gear;

[0033] A driven gear ring 5 is engaged with the driven gear and fixed to the inner wall of the outer cylinder, and the driven gear ring drives the outer cylinder 14 to move circumferentially;

[0034] A first end cover 7 and a second end cover 9 are respectively fixed to both sides of the pneumatic drum, and an integrated power end shaft 8 is connected to the first end cover, and a second end shaft 10 is detachably connected to the second end cover, the power end shaft and the second end shaft are used to support the components of the pneumatic drum;

[0035] The outer cylinder is rotatably connected to the first end cover and the second end cover at both ends thereof;

[0036] Further, the compression air pipeline 6 connected to the air motor is used to deliver compressed air to drive the air motor to operate, and the end of the compression air pipeline away from the air motor penetrates through the second end cover to communicate with the atmosphere, and a pressure regulating valve is arranged on the compression air pipeline to regulate the pressure of the compressed air entering the air motor.

[0037] Further, the driven gear is mounted between the first end cover and the gear mounting plate through a driven gear shaft, one end of the driven gear shaft is fixed to the first end cover, the other end of the driven gear shaft is fixed to the gear mounting plate, the second end shaft is fixedly connected to the tail of the air motor, and the output end of the main shaft penetrates through the gear mounting plate, the driving sun gear and is rotatably connected to the first end cover in sequence, the outer ring support bearings 11 are arranged outside the first end cover and the second end cover, and the two outer ring support bearings are respectively arranged on the outer ring bearing positions 12 in the two ends of the outer cylinder, the device further comprises a fixed shaft 13, one end of the fixed shaft is fixed to the gear mounting plate, and the other end of the fixed shaft is fixed to one end of the second end shaft close to the tail of the air motor, so that the stability of the power transmission between the air motor and the primary speed reducer is further improved.

[0038] In the implementation process, the whole air cylinder is used to load the conveying belt, and the power end shaft and the second end shaft are fixed on the support. When the high-power air cylinder operates, the compressed air enters the air motor through the compression air pipeline connected to the air motor, the compressed air expands to do work in the air motor, the rotor of the air motor is driven to rotate, and the pressure energy of the compressed air is converted into mechanical energy to provide initial power for the whole system.

[0039] The power output by the air motor is transmitted to the primary speed reducer, the primary speed reducer reduces the speed and increases the torque, the power processed by the primary speed reducer is transmitted to the driving sun gear through the main shaft, and the driving sun gear is driven to rotate.

[0040] When the driving sun gear rotates, it is engaged with the uniformly distributed driven gears around it, driving the driven gears to rotate around their own axes while also making a revolution around the central axis of the driving sun gear. The driven gear in the revolution process is engaged with the driven gear ring, and the driven gear ring is further driven to rotate.

[0041] Since the driven gear ring is connected to the outer cylinder, the rotation of the driven gear ring will drive the outer cylinder to make a circular motion, thereby realizing the driving of the conveying belt contacted by the surface of the outer cylinder. In this process, the driven gear transmission system not only realizes the circular motion of the outer cylinder, but also further amplifies the torque, so that the outer cylinder can output greater driving torque to meet the mineral transportation demand in heavy load places such as mines.

[0042] During the whole working process, the first end cover and the second end cover at both ends, and the power end shaft and the second end shaft fixed on the support are used for supporting, so that the stability and coaxiality of each component during operation are ensured, and the power can be smoothly transmitted and output.

[0043] The above describes the technical solutions provided by the embodiments of the present application in detail, and the principles and implementation manners of the embodiments of the present application are described by applying specific examples; the above description of the embodiments is only applicable to helping understand the principles of the embodiments of the present application; meanwhile, for the general technical personnel in the field, the embodiments of the present application will have changes in the specific implementation manners and application ranges, and the content of the specification should not be understood as the limitation of the present application.

Claims

1. A high power pneumatic drum, characterized by: Comprising a pneumatic motor (1) for providing a power source; a primary speed reducer (2) connected with the pneumatic motor for receiving and converting the power of the pneumatic motor; a driving sun gear (3) connected with and rotating with a main shaft of the primary speed reducer; a driven gear (4) engaged with the driving sun gear; a driven gear ring (5) engaged with the driven gear and fixed to the inner wall of an outer cylinder, the driven gear ring driving the outer cylinder (14) to make a circular motion; a first end cover (7) and a second end cover (9) fixed to the two sides of the pneumatic cylinder respectively, and a one-piece power end shaft (8) connected to the first end cover, and a second end shaft (10) detachably connected to the second end cover, the power end shaft and the second end shaft being used for supporting the components of the pneumatic cylinder; the outer cylinder is rotatably connected to the first end cover and the second end cover at both ends respectively; a compressed air pipeline (6) connected with the pneumatic motor for conveying compressed air to drive the pneumatic motor to operate.

2. The high power pneumatic drum according to claim 1, characterized in that: the driven gear is installed between the first end cover and a gear mounting plate through a driven gear shaft, one end of the driven gear shaft being fixed to the first end cover, the other end of the driven gear shaft being fixed to the gear mounting plate, the second end shaft being fixedly connected to the tail of the pneumatic motor, the output end of the main shaft passing through the gear mounting plate, the driving sun gear in turn and being rotatably connected to the first end cover, the first end cover and the second end cover being both externally sleeved with an outer ring support bearing (11), the two outer ring support bearings being respectively assembled on the outer ring bearing positions (12) in the two ends of the outer cylinder.

3. The high power pneumatic drum according to claim 1, wherein: the number of the driven gears is set to be several and they are uniformly distributed around the driving sun gear.

4. The high power pneumatic drum according to claim 2, wherein: a fixed shaft (13) is further included, one end of the fixed shaft being fixed to the gear mounting plate, the other end of the fixed shaft being fixed to one end of the second end shaft close to the tail of the pneumatic motor.

5. The high power pneumatic drum of claim 1, wherein: the primary speed reducer and the pneumatic motor are connected through a shaft coupling.

6. The high power pneumatic drum of claim 1, wherein: a pressure regulating valve is arranged on the compressed air pipeline.

7. The high power pneumatic drum of claim 1, wherein: the driven gear is a planetary gear.

8. The high power pneumatic drum of claim 1, wherein: one end of the compressed air pipeline away from the pneumatic motor penetrates through the second end cover and is in communication with the atmosphere.

Images