Low-noise gear reducer

Abstract

The utility model relates to the technical field of low-noise gear speed reducers, and discloses a low-noise gear speed reducer which comprises a noise reduction mechanism, and a uniform scattering mechanism is arranged at the top end of the noise reduction mechanism. According to the low-noise gear reducer, precise lubrication control is achieved through a double-motor driving system, when the gear reducer operates, a first motor drives a rotary disc to rotate, and when a liquid discharging opening in the surface of the rotary disc communicates with a liquid conveying pipe, lubricating oil is conveyed to the gear contact face through a funnel; when lubrication is stopped, the rotating disc rotates to enable the liquid discharging opening to be staggered to close the channel, and meanwhile, the second motor drives the liquid conveying pipe to rotate by 360 degrees through gear chain transmission, so that the lubricating oil uniformly covers the whole gear set. The problems of aggravated gear friction, increased vibration noise and increased contact stress caused by insufficient lubrication are effectively solved, the stability of a transmission system is remarkably improved, the service life of equipment is prolonged, and the lubricating device is particularly suitable for industrial transmission scenes needing continuous lubrication.

Description

TECHNICAL FIELD

[0001] The utility model relates to low noise type gear speed reducer technical field, concretely is a low noise gear speed reducer. BACKGROUND

[0002] Gear speed reducer is a kind of mechanical device that realizes power transmission and speed regulation through gear transmission, is widely used in industrial equipment, transport tools, automation systems and other fields, and its core function is to convert the high-speed, low-torque output of electric motor or engine into low-speed, high-torque power to meet the needs of different mechanical equipment for power characteristics, the structure of gear speed reducer usually includes input shaft, output shaft, gear set, bearing and sealed housing and other components, the design form of gear set is various, for example, common planetary gear, helical gear, spur gear and worm gear structure, each type has characteristics in transmission efficiency, carrying capacity, noise control and other aspects, for example, planetary gear reducer is often used in precision equipment due to its compact structure and high-efficiency transmission, and worm gear reducer is often used in scenes requiring reverse braking capacity due to its self-locking characteristics.

[0003] The utility model discloses a low noise type gear speed reducer, including the connecting seat, the upper of connecting seat is provided with the protective housing, the upper middle part of connecting seat is fixedly connected with gear speed reducer body, the inboard of protective housing is provided with foam board layer, the other end of foam board layer is provided with the sound-absorbing layer, the lower four ends of connecting seat are fixedly connected with the movable rod, the outside of gear speed reducer is provided with protective housing can protect the effect of speed reducer, and by setting foam board layer and sound-absorbing layer, by foam board layer, reduce the material loss of large area, can first isolate certain noise, have good isolation effect, again through sound-absorbing layer, residual noise is absorbed, play good noise reduction effect, the movable rod of bottom, support column and first damper spring can reduce shock buffering effect, also can reduce the noise generated by the work of speed reducer shaking to a certain extent.

[0004] However, the prior art scheme still has the following deficiencies: when the internal lubricating oil of gear speed reducer is insufficient, the friction between gears will increase, which may cause the noise to become larger, because of lack of sufficient lubrication, the contact stress on the surface of gear will increase, thus generating more vibration and noise, therefore, there is an urgent need for a low-noise gear speed reducer. Utility model content

[0005] In view of the deficiencies of the prior art, the low-noise gear reducer aims to solve the problem that when the internal lubricating oil of the gear reducer is insufficient, the friction between the gears will increase, which may cause the noise to become larger, and because of the lack of sufficient lubrication, the contact stress of the gear surface will increase, thereby generating more vibration and noise.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a low-noise gear reducer, including a noise reduction mechanism, the top of the noise reduction mechanism is provided with a uniform distribution mechanism;

[0007] The noise reduction mechanism comprises a device base, the top of the device base is fixedly connected with a buffer seat, the top of the buffer seat is fixedly connected with a supporting plate, one end of the supporting plate away from the buffer seat is fixedly connected with a protective shell, the inside of the protective shell is provided with a gear reducer body, the top of the protective shell is fixedly connected with an outer shell, the top of the outer shell is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a rotating rod one, one end of the rotating rod one away from the first motor is fixedly connected with a rotating disc, the inner wall of the outer shell is rotatably connected with a liquid delivery pipe, and the surface of the outer shell is fixedly connected with a funnel.

[0008] The rotating rod one is driven to rotate by the first motor, and the rotating disc is driven to rotate, the lubricating oil is delivered to the inside of the outer shell through the funnel, the lubricating oil flows to the liquid delivery pipe through the liquid outlet on the surface of the rotating disc, and the lubricating oil is sprayed on the gear of the gear reducer body through the nozzle of the liquid delivery pipe, but when the lubricating oil does not need to be sprayed, the first motor is controlled to rotate the rotating rod one and the rotating disc, so that the liquid outlet is not aligned with the liquid delivery pipe, and the spraying is closed.

[0009] The uniform distribution mechanism comprises a second motor, the output end of the second motor is fixedly connected with a rotating rod two, the surface of the rotating rod two is fixedly connected with a gear one, the surface of the gear one is provided with a chain, and the inner wall of the chain is provided with a gear two.

[0010] The rotating rod two is driven to rotate by the second motor, and the gear one is driven to rotate, the chain is driven to rotate by the gear one, and the gear two is driven to rotate, so that the liquid delivery pipe fixedly connected with the gear two is driven to rotate, and uniform spraying in the device can be realized.

[0011] The surface of the gear one is engaged with the chain, and the surface of the gear two is engaged with the chain.

[0012] The inner wall of the gear two is fixedly connected with the liquid delivery pipe, and the bottom end of the second motor is fixedly connected with the protective shell.

[0013] The rotating rod two penetrates through the protective shell and extends into the inside of the protective shell, and the gear one is arranged in the inside of the protective shell.

[0014] The surface of the rotating disc is provided with liquid outlet holes, and the infusion pipe penetrates through the protective shell and extends to the inside of the protective shell.

[0015] The surface of the infusion pipe is provided with nine spray heads which are linearly arranged on the surface of the infusion pipe.

[0016] The spraying range of the device is greatly increased, and the noise during use of the device is effectively reduced.

[0017] Compared with the prior art, the device has the advantages that:

[0018] Firstly, in use, the first motor drives the rotating rod one to rotate and further drives the rotating disc to rotate, the funnel delivers lubricating oil to the inside of the shell, the lubricating oil flows to the infusion pipe through the liquid outlet holes on the surface of the rotating disc, and the lubricating oil is sprayed on the gear of the gear reducer body through the spray heads of the infusion pipe. However, when the lubricating oil does not need to be sprayed, the first motor is controlled to drive the rotating rod one and the rotating disc to rotate, so that the liquid outlet holes are not aligned with the infusion pipe, and the spraying is closed. When the gear inside the gear reducer body is insufficiently lubricated, the friction between the gears increases, which may cause the noise to become larger. Because of the lack of sufficient lubrication, the contact stress on the surface of the gear increases, thereby generating more vibration and noise.

[0019] Secondly, in use, the second motor drives the rotating rod two to rotate and further drives the gear one to rotate, the gear one drives the chain and further drives the gear two to rotate, the gear two drives the infusion pipe fixedly connected thereto to rotate, and uniform spraying in the device can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the device.

[0021] Figure 2 It is a partial structure inside schematic view of the device.

[0022] Figure 3 It is a protective shell inside structure schematic view of the device.

[0023] Figure 4 It is a partial structure schematic view of the device.

[0024] 1, noise reduction mechanism; 10, device base; 1001, buffer seat; 1002, supporting plate; 1003, protective shell; 1004, gear reducer body; 1005, shell; 1006, funnel; 1007, first motor; 1008, rotating rod one; 1009, rotating disc; 1010, infusion pipe; 1011, spray head; 2, uniform spraying mechanism; 20, second motor; 2001, rotating rod two; 2002, gear one; 2003, chain; 2004, gear two. DETAILED DESCRIPTION

[0025] The utility model will be further described in detail with the specific embodiments of the utility model in combination with the drawings.

[0026] The utility model provides the following technical scheme:

[0027] Embodiment one

[0028] Please refer to Figures 1-4 A low noise gear speed reducer, including noise reduction mechanism 1, the top of noise reduction mechanism 1 is provided with even scattering mechanism 2;

[0029] Noise reduction mechanism 1 includes device base 10, the top of device base 10 is fixedly connected with buffer seat 1001, the top of buffer seat 1001 is fixedly connected with support plate 1002, the end of support plate 1002 away from buffer seat 1001 is fixedly connected with protective shell 1003, the inside of protective shell 1003 is provided with gear speed reducer body 1004, the top of protective shell 1003 is fixedly connected with shell 1005, the top of shell 1005 is fixedly connected with first motor 1007, the output of first motor 1007 is fixedly connected with rotating rod one 1008, the end of rotating rod one 1008 away from first motor 1007 is fixedly connected with rotating disc 1009, the inner wall of shell 1005 is rotatably connected with infusion tube 1010, the surface of shell 1005 is fixedly connected with funnel 1006.

[0030] Rotating rod two 2001 passes through protective shell 1003 and extends to its inside, gear one 2002 is arranged in the inside of protective shell 1003.

[0031] The surface of rotating disc 1009 is provided with liquid outlet hole, and infusion tube 1010 passes through protective shell 1003 and extends to its inside.

[0032] The surface of infusion tube 1010 is provided with spray head 1011, nine spray heads 1011 are arranged in linear arrangement along the surface of infusion tube 1010.

[0033] By the above technical scheme, in use, the first motor 1007 drives the rotating rod one 1008 to rotate and further drives the rotating disc 1009 to rotate, the funnel 1006 delivers lubricating oil to the inside of the shell 1005, the lubricating oil flows to the infusion tube 1010 through the lower liquid port on the surface of the rotating disc 1009, and the gear on the gear reducer body 1004 is sprayed through the nozzle of the infusion tube 1010, but when the lubricating oil does not need to be sprayed, only the first motor 1007 is controlled to rotate the rotating rod one 1008 and the rotating disc 1009, so that the lower liquid port is not aligned with the infusion tube 1010, and the spraying can be closed, and the problem that when the internal gear of the gear reducer body 1004 is insufficiently lubricated, the friction between the gears increases, which may cause the noise to become larger, because of the lack of sufficient lubrication, the contact stress on the surface of the gear increases, thereby generating more vibration and noise.

[0034] Embodiment two

[0035] Please refer to Figures 1-4 On the basis of embodiment one, it is further obtained that the uniform spraying mechanism 2 comprises a second motor 20, the output end of the second motor 20 is fixedly connected with a rotating rod two 2001, the surface of the rotating rod two 2001 is fixedly connected with a gear one 2002, the surface of the gear one 2002 is provided with a chain 2003, and the inner wall of the chain 2003 is provided with a gear two 2004.

[0036] The surface of the gear one 2002 is engaged with the chain 2003, and the surface of the gear two 2004 is engaged with the chain 2003.

[0037] The inner wall of the gear two 2004 is fixedly connected with the infusion tube 1010, and the bottom end of the second motor 20 is fixedly connected with the protective shell 1003.

[0038] By the above technical scheme, in use, the second motor 20 drives the rotating rod two 2001 to rotate and further drives the gear one 2002 to rotate, the chain 2003 is driven by the gear one 2002 to rotate and further drives the gear two 2004 to rotate, the gear two 2004 drives the infusion tube 1010 fixedly connected therewith to rotate, and the uniform spraying in the device can be realized.

[0039] In actual operation, when the device is in use, the rotating rod one 1008 is driven to rotate by the first motor 1007 to drive the rotating disc 1009 to rotate, and the lubricating oil is transported into the shell 1005 through the funnel 1006, and the lubricating oil flows to the infusion tube 1010 through the lower liquid port on the surface of the rotating disc 1009, and is sprayed on the gear of the gear reducer body 1004 through the nozzle of the infusion tube 1010, but when the lubricating oil does not need to be sprayed, only the rotating rod one 1008 and the rotating disc 1009 are controlled to rotate by the first motor 1007, so that the lower liquid port is not aligned with the infusion tube 1010, and the spraying can be closed, and the problem that when the internal gear of the gear reducer body 1004 is insufficiently lubricated, the friction between the gears will increase, which may cause the noise to become larger, because of the lack of sufficient lubrication, the contact stress on the surface of the gear will increase, thereby generating more vibration and noise, and when in use, the rotating rod two 2001 is driven to rotate by the second motor 20 to drive the gear one 2002 to rotate, the chain 2003 is driven to rotate by the gear one 2002 to drive the gear two 2004 to rotate, and the gear two 2004 drives the infusion tube 1010 fixedly connected thereto to rotate, so that uniform spraying in the device can be realized.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A low noise gear reducer comprising a noise reduction mechanism (1), characterized in that: The top end of the noise reduction mechanism (1) is provided with an even scattering mechanism (2). The noise reduction mechanism (1) comprises a device base (10), the top end of the device base (10) is fixedly connected with a buffer seat (1001), the top end of the buffer seat (1001) is fixedly connected with a supporting plate (1002), the end of the supporting plate (1002) away from the buffer seat (1001) is fixedly connected with a protective shell (1003), the inside of the protective shell (1003) is provided with a gear reducer body (1004), the top end of the protective shell (1003) is fixedly connected with an outer shell (1005), the top end of the outer shell (1005) is fixedly connected with a first motor (1007), the output end of the first motor (1007) is fixedly connected with a rotating rod one (1008), the end of the rotating rod one (1008) away from the first motor (1007) is fixedly connected with a rotating disc (1009), the inner wall of the outer shell (1005) is rotatably connected with a liquid delivery pipe (1010), the surface of the outer shell (1005) is fixedly connected with a funnel (1006).

2. A low noise gear reducer as claimed in claim 1, characterized in that: The even scattering mechanism (2) comprises a second motor (20), the output end of the second motor (20) is fixedly connected with a rotating rod two (2001), the surface of the rotating rod two (2001) is fixedly connected with a gear one (2002), the surface of the gear one (2002) is provided with a chain (2003), the inner wall of the chain (2003) is provided with a gear two (2004).

3. A low noise gear reducer as claimed in claim 2, characterized in that: The surface of the gear one (2002) is engaged with the chain (2003), and the surface of the gear two (2004) is engaged with the chain (2003).

4. A low noise gear reducer as claimed in claim 2, characterized in that: The inner wall of the gear two (2004) is fixedly connected with the liquid delivery pipe (1010), and the bottom end of the second motor (20) is fixedly connected with the protective shell (1003).

5. A low noise gear reducer as claimed in claim 2, characterized in that: The rotating rod two (2001) penetrates through the protective shell (1003) and extends into the inside thereof, and the gear one (2002) is arranged in the inside of the protective shell (1003).

6. A low noise gear reducer as claimed in claim 1, characterized in that: The surface of the rotating disc (1009) is provided with a liquid outlet hole, and the liquid delivery pipe (1010) penetrates through the protective shell (1003) and extends into the inside thereof.

7. A low noise gear reducer as claimed in claim 1, wherein: The surface of the liquid delivery pipe (1010) is provided with nine spray heads (1011), and the nine spray heads (1011) are linearly arranged on the surface of the liquid delivery pipe (1010).

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