Same-frequency multipurpose vibrator

Abstract

The invention discloses a same-frequency multipurpose vibrator, which relates to the technical field of vibrators, and is technically characterized by comprising a power source and a main shaft fixedly mounted at two output ends of the power source, a driving steering gear is fixedly mounted at one end, far away from the power source, of each main shaft, and a driven steering gear is meshed with the outer side of each driving steering gear; the driving steering gear and the driven steering gear which are meshed with each other form a T-shaped right-angle steering gear structure. The single vibrator is integrated with the T-shaped right-angle steering gear structure, so that the two groups of eccentric blocks at the left end and the right end of the power source rotate reversely and synchronously, the traditional double vibrators can be replaced by only one piece of equipment for collaborative operation, and a required linear or elliptical vibration track is effectively generated. The polarization problem caused by asynchronous phases of double machines is eliminated, the equipment cost and the structural complexity are remarkably reduced, meanwhile, the adaptability to pneumatic power sources, hydraulic power sources and other power sources is improved, stable operation can be achieved without a high-precision gas source or a hydraulic station, and the device is particularly suitable for underground coal mines and other anti-explosion and damp-proof severe environments.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vibrator, in particular to a same-frequency multipurpose vibrator. BACKGROUND

[0002] Vibrators are widely used in industrial equipment such as vibrating platforms and vibrating screens, for realizing the screening, conveying and compaction of materials. The common vibrators on the market mainly include three types: vibration motors, pneumatic vibrators and hydraulic vibrators. These vibrators usually generate exciting force through the rotation of eccentric blocks, thereby driving the equipment to realize the required vibration trajectory, such as linear motion or elliptical motion.

[0003] To realize the linear or elliptical motion trajectory of the vibrating platform or vibrating screen, the prior art usually needs to use two vibrators to work together. The eccentric block of one vibrator rotates in the clockwise direction, and the other rotates in the counterclockwise direction, thereby offsetting or reducing the horizontal force and superimposing the vertical force, so as to form the required composite vibration trajectory.

[0004] However, this technical solution has obvious defects: first, two vibrators must be used to realize the required vibration trajectory, resulting in high equipment cost, complex structure and inconvenient installation and maintenance; second, for pneumatic or hydraulic vibrators, even if two vibrators are used to work together, it is difficult to ensure the complete synchronization of the rotation of the eccentric blocks (i.e. same up and same down), and the phase difference is easy to cause polarization, causing the shaking of the vibration table or vibrating screen, affecting the stability and efficiency of the equipment; in addition, in special environments such as explosion-proof or humid environments (such as coal mine underground), the use of electric vibrators is limited, and the synchronization control of pneumatic or hydraulic vibrators also puts high requirements on the stability of the gas source or hydraulic system, further increasing the complexity and cost of the system, therefore, we propose a new same-frequency multipurpose vibrator. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a same-frequency multipurpose vibrator, which can effectively solve the problems mentioned in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a same-frequency multipurpose vibrator, comprising a power source and a main shaft fixedly installed at both output ends of the power source, one driving bevel gear is fixedly installed at the end of the main shaft away from the power source, a driven bevel gear is meshed with the outer side of the driving bevel gear, the driving bevel gear and the driven bevel gear meshing with each other constitute a T-shaped right-angle bevel gear structure, a linkage shaft is fixedly installed at the center of the inside of the driven bevel gear, eccentric blocks are symmetrically installed at both ends of the linkage shaft, and a counterweight is fixedly installed on the linkage shaft.

[0007] Preferably, the power source is one of an electric motor power source, a pneumatic power source or a hydraulic power source.

[0008] Preferably, the weight of the counterweight is equal to the weight of the driven steering gear, and the distance from the counterweight to the middle section of the linkage shaft is equal to the distance from the driven steering gear to the middle section of the linkage shaft.

[0009] Preferably, a bottom sealing shell is arranged directly below the linkage shaft, and a top sealing shell is arranged directly above the linkage shaft, and the bottom sealing shell and the top sealing shell are connected by a screw rod; a semicircular linkage shaft groove and a semicircular main shaft groove are respectively formed in the bottom sealing shell and the top sealing shell.

[0010] Preferably, a plurality of arc-shaped pipes are fixedly installed at the top of the inner cavity of the top sealing shell, a plurality of oil injection holes are formed in the arc-shaped pipes, the oil injection holes face the driving steering gear and the driven steering gear, a multi-pronged pipe is fixedly connected to the arc-shaped pipes, the inner cavities of the arc-shaped pipes and the multi-pronged pipe are in communication, an oil inlet end of the multi-pronged pipe penetrates through the top sealing shell and is fixedly connected with a valve, and an oil inlet end of the valve is fixedly connected with a heat preservation lubricating oil storage box.

[0011] Preferably, an oil extraction pump is fixedly connected to the heat preservation lubricating oil storage box through a connecting hose, an input end of the oil extraction pump is fixedly connected with a plate heat exchanger through a connecting hose, the plate heat exchanger is fixedly connected with the top sealing shell, and an oil inlet end of the plate heat exchanger is fixedly installed with a stretchable connecting pipe, and an oil inlet end of the stretchable connecting pipe is fixedly installed with a threaded adapter.

[0012] Preferably, temperature sensors are symmetrically installed on the inner circular surface of the top sealing shell.

[0013] Preferably, a lubricating oil recovery pipe that is in communication with the inner cavity of the bottom sealing shell is fixedly installed at the center of the bottom of the bottom sealing shell, the lubricating oil recovery pipe is fixedly installed on the bottom sealing shell through a pipeline fixing clamp, and an oil outlet end of the lubricating oil recovery pipe is fixedly installed with a threaded adapter.

[0014] Compared with the prior art, the present application has the following advantages: 1. The T-shaped right-angle steering gear structure integrated with a single vibrator realizes the linear or elliptical motion track that can be achieved by the original double-vibrator, one set of power source and installation structure are saved, the equipment cost is reduced, the installation is more convenient, and the production and maintenance efficiency is significantly improved.

[0015] 2. The T-shaped right-angle steering gear transmission structure ensures that the rotation directions of the two groups of eccentric blocks at the left and right ends of the power source are opposite and synchronous, and fundamentally eliminates the shaking problem of the vibration table / screen caused by the asynchronization of the eccentric blocks.

[0016] 3. The device has strong applicability, low requirement for power source, and is especially suitable for pneumatic or hydraulic power occasions, and can realize stable synchronous vibration without high-precision air source or hydraulic station, thereby reducing system complexity and equipment investment.

[0017] 4. The device has good environmental adaptability and can stably operate in an explosion-proof and moisture-proof environment such as a coal mine, thereby solving the technical bottleneck of the original electric vibrator being limited and the pneumatic / hydraulic double machine being difficult to synchronize.

[0018] 5. The temperature sensor is used for monitoring and controlling the opening of the valve, so that the lubricating oil is accurately sprayed to the gear meshing area through the multi-prong pipe, the arc-shaped pipe and the oil injection hole, lubrication and efficient cooling are realized, the long-term reliable operation of the gear under high speed and heavy load is ensured, and abnormal wear is reduced.

[0019] 6. The oil extraction pump, the stretchable connecting pipe and the plate heat exchanger are matched to regularly extract the waste oil in the sealing shell and return it to the oil tank after cooling for reuse, thereby greatly reducing additional oil consumption and maintenance frequency, and the device is especially suitable for long-period stable operation in explosion-proof and moisture-proof occasions such as coal mines. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a complete structural schematic diagram of the present application; Figure 2 is an explosion structural schematic diagram of the present application; Figure 1 Figure 3 is a structural schematic diagram of the driving steering gear and the driven steering gear of the present application; Figure 4 is a structural schematic diagram of the arc-shaped pipe and the oil injection hole of the present application; Figure 5 is a structural schematic diagram of the multi-prong pipe and the valve of the present application; Figure 6 is a structural schematic diagram of the lubricating oil recovery pipe of the present application.

[0021] In the drawings: 1. power source; 2. main shaft; 3. driving steering gear; 4. driven steering gear; 5. linkage shaft; 6. eccentric block; 7. counterweight; 8. bottom sealing shell; 9. top sealing shell; 10. screw rod; 11. arc-shaped pipe; 111. oil injection hole; 12. multi-prong pipe; 13. valve; 14. heat preservation lubricating oil storage box; 15. oil extraction pump; 16. plate heat exchanger; 17. stretchable connecting pipe; 18. temperature sensor; 19. lubricating oil recovery pipe. DETAILED DESCRIPTION

[0022] ​In the present application, the orientation such as "upper, lower" is generally directed to the direction shown in the drawings or the vertical, perpendicular or gravity direction unless otherwise stated; similarly, for the convenience of understanding and description, "left, right" is generally directed to the left and right shown in the drawings; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the present application.

[0023] The present application provides a technical solution: Please refer to Figures 1-6 , the same frequency multi-purpose vibrator, including power source 1 and fixedly installed in the two output ends of power source 1 main shaft 2, the end away from the power source 1 of main shaft 2 is fixedly installed with a main drive gear 3, the outer side of main drive gear 3 is engaged with driven steering gear 4, the main drive gear 3 and driven steering gear 4 engaged with each other constitute a T type right angle steering gear structure, the center of the inside of driven steering gear 4 is fixedly installed with linkage shaft 5, the two ends of linkage shaft 5 are symmetrically installed with eccentric block 6, linkage shaft 5 is fixedly installed with counterweight 7.

[0024] Power source 1 drives main drive gear 3 to rotate through two end output main shaft 2, and then engages to drive driven steering gear 4 and linkage shaft 5 inside it to rotate synchronously, so that the eccentric block 6 symmetrically installed at the two ends of linkage shaft 5 realizes synchronous rotation. The two eccentric blocks on the same linkage shaft rotate in the same direction and synchronously, while the two groups of eccentric blocks at the left and right ends of the power source rotate in opposite directions and synchronously due to the application of T type right angle steering gear, so that the horizontal force generated is offset or weakened, and the vertical force is superimposed, finally realizing single vibrator instead of double machine cooperative work, forming straight line or elliptical vibration track; counterweight 7 is used to balance the weight of driven steering gear 4, prevent shafting from shaking, ensure vibration stable and high synchronization, significantly improve the reliability of the equipment and reduce the complexity of the system.

[0025] Power source 1 is one of motor power source, pneumatic power source or hydraulic power source.

[0026] As the initial power provider of the whole vibrator, power source 1 selects one of motor, pneumatic or hydraulic power according to the actual application scene (such as conventional environment, explosion-proof or humid environment) and outputs rotary power; ensure that the vibrator has wide environmental adaptability and power selection flexibility, reduce the dependence of the system on specific power source, so as to meet the stable driving demand under different working conditions.

[0027] Please refer to Figures 1-3 , the weight of counterweight 7 is equal to the weight of driven steering gear 4, and the distance from counterweight 7 to the middle of linkage shaft 5 is equal to the distance from driven steering gear 4 to the middle of linkage shaft 5.

[0028] The counterweight 7 balances the weight of the driven steering gear 4 during operation, prevents the linkage shaft 5 from shaking or abnormally vibrating during high-speed operation, ensures the stability and reliability of the vibrator during operation, and prolongs the service life of the equipment.

[0029] Please refer to Figures 1-6 , a bottom sealing shell 8 is arranged below the linkage shaft 5, and a top sealing shell 9 is arranged above the linkage shaft 5, and the bottom sealing shell 8 and the top sealing shell 9 are connected by a screw rod 10; the bottom sealing shell 8 and the top sealing shell 9 are respectively provided with a semicircular linkage shaft groove and a semicircular main shaft groove.

[0030] The bottom sealing shell 8 and the top sealing shell 9 are connected by the screw rod 10 to form a closed space, which provides sealing protection for the internal gear transmission components and the linkage shaft 5; prevents lubricating oil leakage and external intrusion, and at the same time ensures the stable rotation of the linkage shaft 5 and the main shaft 2 through the semicircular shaft groove, and guarantees the transmission accuracy and long-term reliable operation of the equipment.

[0031] Please refer to Figures 1-6 , a plurality of arc-shaped pipes 11 are fixedly installed at the top of the inner cavity of the top sealing shell 9, a plurality of oil injection holes 111 are formed in the arc-shaped pipes 11, the oil injection holes 111 are directed towards the driving steering gear 3 and the driven steering gear 4; a multi-head fork pipe 12 is fixedly connected to the arc-shaped pipe 11, the arc-shaped pipe 11 and the inner cavity of the multi-head fork pipe 12 are in communication, the oil inlet end of the multi-head fork pipe 12 penetrates through the top sealing shell 9 and is fixedly connected with a valve 13, and the oil inlet end of the valve 13 is fixedly connected with a heat preservation lubricating oil storage tank 14.

[0032] The working process of the arc-shaped pipe 11 is to receive lubricating oil from the heat preservation lubricating oil storage tank 14, and to accurately and uniformly spray the lubricating oil to the meshing area of the driving steering gear 3 and the driven steering gear 4 through the oil injection holes 111 on the surface of the arc-shaped pipe 11; realize continuous lubrication and efficient cooling of the gear, reduce friction and wear, and ensure the smooth and reliable operation of the gear transmission system under high load.

[0033] Please refer to Figure 1 , Figure 2 , Figure 4 and Figure 5 , the heat preservation lubricating oil storage tank 14 is fixedly connected with an oil pump 15 through a connecting hose, the input end of the oil pump 15 is fixedly connected with a plate heat exchanger 16 through a connecting hose, the plate heat exchanger 16 is fixedly connected with the top sealing shell 9, and the oil inlet end of the plate heat exchanger 16 is fixedly installed with a stretchable connecting pipe 17, and the oil inlet end of the stretchable connecting pipe 17 is fixedly installed with a threaded adapter.

[0034] The oil pump 15 pumps the lubricating oil cooled by the plate heat exchanger 16 into the heat preservation lubricating oil storage tank 14 through the connecting hose, and the working process is to establish and maintain the forced circulation of the lubricating oil; and the function is to cooperate with the stretchable connecting pipe 17 and the plate heat exchanger 16 to realize the recycling, cooling and reuse of waste oil, form a closed loop lubrication system, and significantly reduce the additional oil consumption and maintenance frequency.

[0035] Please refer to Figure 5 The inner circular surface of the top sealing shell 9 is symmetrically provided with a temperature sensor 18.

[0036] The temperature sensor 18 is symmetrically installed on the inner circular surface of the top sealing shell 9 to monitor the working temperature of the gear meshing area; when the temperature exceeds the set threshold, the lubrication system is triggered to start, preventing the gear from overheating and wear, ensuring the stable operation of the vibrator under high speed and heavy load, and prolonging the service life.

[0037] Please refer to Figure 6 A lubricating oil recovery pipe 19 is fixedly installed at the center of the bottom of the bottom sealing shell 8 and communicates with the inner cavity of the bottom sealing shell 8, the lubricating oil recovery pipe 19 is fixedly installed on the bottom sealing shell 8 through a pipeline fixing clamp, and a threaded adapter shell is fixedly installed at the oil outlet end of the lubricating oil recovery pipe 19.

[0038] The working process of the lubricating oil recovery pipe 19 is to collect the accumulated waste lubricating oil in the bottom sealing shell 8, and quickly connect the threaded adapter shell at the oil outlet end with the external pipeline; and the function is to realize the centralized export of waste oil, provide a channel for subsequent pumping, cooling and recycling, ensure the efficient operation of the lubrication system and reduce the maintenance requirement.

[0039] In specific use, the working principle of the present application is as follows: First, the device is installed at the specified position of the vibrating platform or vibrating screen through the screw rod, after the power source 1 is started, the main shaft 2 starts to rotate at high speed, and then drives the driving steering gear 3 to rotate. The driving steering gear 3 meshes with the driven steering gear 4 to drive the linkage shaft 5 to rotate synchronously, so that the eccentric blocks 6 installed at both ends thereof rotate. The rotation directions of the two groups of eccentric blocks 6 at the left and right ends of the power source are clockwise and counterclockwise (because the gears are engaged, the rotation direction of the eccentric blocks 6 on the left side is opposite to that of the eccentric blocks 6 on the right side and is synchronous), which can cancel or weaken the acting force in the horizontal direction, and superimpose the acting force in the vertical direction, so as to finally realize the linear or elliptical motion track required by the vibrating platform or vibrating screen. This structure only needs one vibrator to replace the traditional two vibrators working cooperatively, which significantly reduces the equipment cost and installation complexity, and completely avoids the problem of vibration deviation caused by different steps of multiple machines.

[0040] To further ensure the stability, the counterweight 7 is installed on the linkage shaft 5, and the weight and position thereof are accurately calculated to realize dynamic balance with the driven gear 4, effectively prevent the shaft from shaking or vibrating abnormally due to rotation imbalance, and ensure smooth and efficient operation of the vibrator.

[0041] During the operation of the vibrator, the high-speed rotation of the driving gear 3 and the driven gear 4 generates a large amount of heat, which may cause the temperature in the sealed shell to rise. The built-in temperature sensor 18 monitors the internal temperature, and once the set threshold is exceeded, a feedback signal is sent to the external controller to control the valve 13 to open. The lubricating oil in the heat preservation lubricating oil storage tank 14 is delivered to each arc-shaped pipe 11 through the multi-prong pipe 12, and is uniformly sprayed to the gear meshing area through the oil injection holes 111 on the surface of the arc-shaped pipe 11, realizing the dual functions of lubrication and cooling, and ensuring the long-term reliable operation of the gear.

[0042] The oil pump 15 is started regularly to pump out the waste oil accumulated in the bottom sealing shell 8 and the top sealing shell 9 through the lubricating oil recovery pipe 19 (the lubricating oil recovery pipe 19 and the stretchable connecting pipe 17 are quickly connected through threaded adapters and threaded adapter shells during the oil pumping process), and the waste oil is delivered to the plate heat exchanger 16 through the stretchable connecting pipe 17 for cooling treatment, and finally flows back to the heat preservation lubricating oil storage tank 14 for reuse. Not only improves the lubrication efficiency, but also reduces the requirements on the environment, especially suitable for explosion-proof and moisture-proof occasions such as coal mine underground.

[0043] In summary, the present application drives through single machine integrated T-shaped right-angle steering gear structure, combined with temperature control lubrication, effectively solves the technical problems of traditional vibrator requiring double machine cooperation, poor synchronization, serious polarization and high requirements on power source, significantly improves the reliability, economy and environmental adaptability of the vibration equipment.

[0044] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited thereto. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the same technical problem and achieve the same technical effect is covered by the protection scope of the present application.

Claims

1. A multi-purpose vibrator of the same frequency, characterized in that, The utility model provides a kind of T-shaped steering gear structure, including power source (1) and the main shaft (2) fixedly installed in the both output ends of the power source (1), the end of the main shaft (2) away from power source (1) is fixedly installed with one driving bevel gear (3), the outside of the driving bevel gear (3) is engaged with driven bevel gear (4), and the driving bevel gear (3) and the driven bevel gear (4) of mutual engagement constitute a T-shaped right-angle steering gear structure, the center of the inside of the driven bevel gear (4) is fixedly installed with linkage shaft rod (5), the both ends of the linkage shaft rod (5) are symmetrically installed with eccentric block (6), and the linkage shaft rod (5) is fixedly installed with counterweight (7).

2. The multi-purpose vibrator of claim 1, wherein: The power source (1) is one of motor power source, pneumatic power source or hydraulic power source.

3. The multi-purpose vibrator of claim 1, wherein: The weight of the counterweight (7) is equal to the weight of the driven bevel gear (4), and the distance from the counterweight (7) to the middle section of the linkage shaft rod (5) is equal to the distance from the driven bevel gear (4) to the middle section of the linkage shaft rod (5).

4. The multi-purpose vibrator of claim 1, wherein: A bottom sealing shell (8) is arranged directly below the linkage shaft rod (5), and a top sealing shell (9) is arranged directly above the linkage shaft rod (5), and the bottom sealing shell (8) and the top sealing shell (9) are connected by a screw rod (10); the bottom sealing shell (8) and the top sealing shell (9) are respectively provided with a semicircular linkage shaft rod groove and a semicircular main shaft groove.

5. The on-frequency multi-purpose vibrator of claim 4, wherein: A plurality of arc-shaped pipes (11) are fixedly installed at the top of the inner cavity of the top sealing shell (9), a plurality of oil injection holes (111) are formed in the arc-shaped pipes (11), the oil injection holes (111) face the driving bevel gear (3) and the driven bevel gear (4), a multi-pronged fork pipe (12) is fixedly connected to the arc-shaped pipes (11), the inner cavities of the arc-shaped pipes (11) and the multi-pronged fork pipe (12) are in communication, an oil inlet end of the multi-pronged fork pipe (12) penetrates through the top sealing shell (9) and is fixedly connected with a valve (13), and an oil inlet end of the valve (13) is fixedly connected with a heat-preservation lubricating oil storage box (14).

6. The on-frequency multi-purpose vibrator of claim 5, wherein: The heat-preservation lubricating oil storage box (14) is fixedly connected with an oil pump (15) through a connecting hose, an oil inlet end of the oil pump (15) is fixedly connected with a plate heat exchanger (16) through a connecting hose, the plate heat exchanger (16) is fixedly connected with the top sealing shell (9), an oil inlet end of the plate heat exchanger (16) is fixedly installed with a stretchable connecting pipe (17), and an oil inlet end of the stretchable connecting pipe (17) is fixedly installed with a threaded adapter.

7. The multi-purpose vibrator of claim 4, wherein: Temperature sensors (18) are symmetrically installed on the inner circular surface of the top sealing shell (9).

8. The multi-purpose vibrator of claim 4, wherein: A lubricating oil recovery pipe (19) is fixedly installed at the center of the bottom of the bottom sealing shell (8) and communicates with the inner cavity of the bottom sealing shell (8), the lubricating oil recovery pipe (19) is fixedly installed on the bottom sealing shell (8) by a pipeline fixing clamp, and a threaded adapter shell is fixedly installed at an oil outlet end of the lubricating oil recovery pipe (19).

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