Speed reducer special for tire machinery

Abstract

The invention relates to the technical field of speed reducers, in particular to a special speed reducer for tire machinery, which comprises a box body, output shafts, flow guide assemblies and labyrinth seal assemblies, the output shafts are horizontally arranged on both sides of the box body, and the flow guide assemblies sleeve both sides of the box body and are positioned on the peripheries of the output shafts; a flow guide cover is vertically arranged on one side of the flow guide assembly, the flow guide cover is connected with the two sides of the box body through bolts, and a labyrinth sealing assembly is arranged in the flow guide cover and located on the periphery of the output shaft in a sleeved mode. By additionally arranging the directional lubricating mechanism, in the working process of tire machinery, the speed reducer synchronously utilizes rotating, flow guiding and spraying modes to conduct auxiliary lubricating on a worm and gear meshing area, meanwhile, positive pressure air sealing is combined, the sealing effect of the speed reducer can be improved, external dust entering a lubricating system inside the speed reducer is reduced, and the service life of the speed reducer is prolonged. The lifting device is suitable for driving a working platform to lift in tire machinery, thereby improving the use effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of speed reducer, in particular to a special speed reducer for tire machinery. BACKGROUND

[0002] Speed reducer is also called reducer, which is an independent component composed of gear transmission, worm transmission or gear-worm transmission enclosed in a rigid shell, installed between the prime mover and the working machine, mainly used for reducing speed and increasing torque. By meshing the gear with fewer teeth on the input shaft with the large gear on the output shaft, the speed reduction is achieved by the ratio of the number of teeth of the large and small gears, which is the transmission ratio.

[0003] At present, there is a lack of directional lubrication mechanism in the use of speed reducer. During the tire manufacturing process, tire machinery equipment (such as curing machine, building machine) will generate a large amount of dust, and carbon black and rubber chips are easy to invade the lubrication system, accelerate the deterioration of oil, block the oil way, and continuous impact load can cause local high temperature in the meshing area of worm gear and worm, so the oil film is broken. Therefore, a special speed reducer for tire machinery is proposed to increase the directional lubrication mechanism. During the working process of tire machinery, the speed reducer synchronously utilizes rotation, flow guide and spraying to assist lubrication in the meshing area of worm gear and worm, and combines with positive pressure gas seal to improve the sealing effect of the speed reducer, reduce the entry of external dust into the lubrication system inside the speed reducer, and is suitable for driving the working platform lifting in tire machinery, thereby improving the use effect. SUMMARY

[0004] In view of the problems in the prior art, the present application provides a special speed reducer for tire machinery to utilize rotation, flow guide and spraying to assist lubrication in the meshing area of worm gear and worm, and combine with positive pressure gas seal to improve the sealing effect of the speed reducer, thereby improving the use effect.

[0005] The technical solution adopted by the present application to solve the technical problems is a special speed reducer for tire machinery, which comprises a box body, an output shaft, a flow guide assembly and a labyrinth seal assembly. The two sides of the box body are horizontally provided with output shafts, the two sides of the box body are peripherally provided with flow guide assemblies, one side of the flow guide assembly is vertically provided with a flow guide cover, and the flow guide cover is connected to the two sides of the box body by bolts, and the labyrinth seal assembly is peripherally provided in the flow guide cover.

[0006] The top of the box is provided with a motor gear through a bearing, one side of the motor gear is provided with an input gear, a transition gear is connected between the motor gear and the input gear through meshing in the box, a worm is installed in the box through a bearing, and the bottom of the input gear is connected with the worm through bolts, a worm wheel is vertically arranged in the box and connected with the worm through meshing, and a motor is connected with the motor gear through bolts on the top of the box.

[0007] By adopting the above technical scheme, the directional flow guide mechanism is added, and the rotation, flow guide, flow collection and spraying are utilized, so that the lubricating oil can be transported to the meshing area of the worm gear during the operation of the speed reducer to perform auxiliary lubrication.

[0008] Specifically, the worm wheel is connected with an output shaft through bolts, oil throwing blades are equidistantly arranged on the both sides of the worm wheel and outside the output shaft, an oil collecting cover for flow guide is fixedly arranged on the top of the oil throwing blades in the box, and one end of the oil collecting cover is located on the top of the meshing position of the worm wheel and the worm.

[0009] The back of the box is horizontally provided with a counter torque support, and the counter torque support is fixedly provided with a pin shaft in the arc shape.

[0010] By adopting the above technical scheme, the oil throwing blades are synchronously rotated when the worm wheel rotates, the lubricating oil at the bottom of the box is thrown up by the oil throwing blades, the thrown lubricating oil is collected by the oil collecting cover and is directionally guided to the meshing position of the worm wheel and the worm, targeted lubrication is realized, and the rupture of the oil film under heavy load impact is avoided; the counter torque support can swing around the arc track through the pin shaft, the counter torque generated during the operation of the speed reducer is effectively offset, the equipment vibration is reduced, and the operation stability is improved.

[0011] Specifically, the flow guide assembly comprises a fixed frame, the fixed frame is connected with a flow guide cover through bolts, a negative pressure blade is arranged in the fixed frame, the negative pressure blade is sleeved with an output shaft through bolts, and an annular filter screen is vertically arranged on one side of the fixed frame.

[0012] The negative pressure blade comprises a tip portion and a root portion, the tip portion is an air inlet, and the root portion is an air outlet.

[0013] By adopting the above technical scheme, the output shaft rotates to drive the negative pressure blade to rotate, the tip portion inhales air from the outside, the air is filtered by the annular filter screen, and then is discharged into the flow guide cover from the root portion to form clean air flow; the fixed frame provides stable support for the negative pressure blade, and the annular filter screen can intercept pollutants such as carbon black and rubber chips in the air of the working environment to avoid pollution of the lubricating oil in the sealed area.

[0014] Specifically, the labyrinth sealing assembly comprises a static part, a rotating part is sleeved in the static part, and the rotating part is sleeved with an output shaft through a bolt.

[0015] By adopting the above technical scheme, the static part is fixed with the fairing and the box through the fixing ring, the rotating part rotates synchronously with the output shaft, and the labyrinth fluid domain between the static part and the rotating part prolongs the dust invasion path.

[0016] Specifically, the top of the fairing is provided with an air outlet pipe, the top of the fairing is provided with an air outlet, the bottom of the fairing is provided with an air inlet, and a one-way valve is arranged in the air outlet and the air inlet.

[0017] One side of the fairing is a narrow port, and the other side of the fairing is an expanded port.

[0018] By adopting the above technical scheme, the Venturi channel is formed through the narrow port and the expanded port, the air flow speed of the air flow discharged by the air guide assembly can be accelerated, and the positive pressure intensity of the fluid domain can be improved; the air inlet inhales the supplement air through the one-way valve, and the air outlet discharges part of the air flow through the one-way valve to balance the pressure, so that the deformation of the components caused by the too high air pressure in the fairing is avoided, and the one-way valve prevents the air flow from flowing in the opposite direction to carry dust into the air inlet, and the air inlet is provided with a filter core.

[0019] Specifically, the box is provided with a Venturi tube at the top of the fairing on both sides, one side of the Venturi tube is provided with an inlet, the inlet is communicated with the air outlet pipe, the other side of the Venturi tube is provided with an outlet, the end of the outlet is located on one side of the transition gear, and the top of the Venturi tube is provided with a flow guide port.

[0020] By adopting the above technical scheme, part of the air flow in the fairing is introduced into the Venturi tube through the air outlet pipe, a negative pressure is generated at the flow guide port when the high-speed air flow passes through the Venturi tube, the lubricating oil is sucked and mixed to form an oil mist, and the oil mist is sprayed to the transition gear through the outlet, so that the lubrication and cooling of the transition gear are realized, the kinetic energy of the air flow is used to realize the efficient conveying of the lubricating oil, and no additional power is needed.

[0021] Specifically, the bottom of the box is horizontally provided with a reflux box, one side of the reflux box is provided with a flow guide pipe, and the flow guide pipe is communicated with the flow guide port.

[0022] By adopting the technical scheme, the backflow lubricating oil in the box body is collected by the backflow box, is transported to the flow guide opening of the Venturi tube through the flow guide pipe, and circulation utilization of the lubricating oil is realized; the spiral cooling water channel is arranged in the backflow box, is used for connecting the external circulating cooling liquid, the lubricating oil is cooled, the meshing heat is taken away, the oil temperature is prevented from being too high due to continuous circulation, the top of the backflow box is provided with a dosing opening, and the dosing opening is convenient for adding antifoam, preservative and the like, and the lubricating oil performance is maintained.

[0023] Specifically, the two ends of the output shaft are vertically provided with lifting gears, the back of the lifting gear is vertically provided with a rack, and the lifting gear is connected to the rack through meshing, and the end of the output shaft is sleeved with a bearing seat on one side of the lifting gear.

[0024] By adopting the technical scheme, the backflow lubricating oil in the box body is collected by the backflow box, is transported to the flow guide opening of the Venturi tube through the flow guide pipe, and circulation utilization of the lubricating oil is realized; the spiral cooling water channel is arranged in the backflow box, is used for connecting the external circulating cooling liquid, the lubricating oil is cooled, the meshing heat is taken away, the oil temperature is prevented from being too high due to continuous circulation, the top of the backflow box is provided with a dosing opening, and the dosing opening is convenient for adding antifoam, preservative and the like, and the lubricating oil performance is maintained.

[0025] The beneficial effects of the present application are:

[0026] (1) The special reducer for tire machinery has the box body, the worm gear, the worm, the oil throwing blade and the oil collecting cover, can increase the directional flow guide mechanism, utilizes rotation, flow guide, flow collection and spraying, can transport the lubricating oil to the meshing area of the worm gear and the worm for auxiliary lubrication during the working of the reducer, thereby guaranteeing the stability of the oil film, and simultaneously performing auxiliary cooling, and improving the working quality of the reducer.

[0027] (2) The special reducer for tire machinery has the static part, the rotating part, the fluid domain, the fixing frame, the negative pressure blade, the output shaft and the flow guide cover, can increase the auxiliary sealing mechanism, utilizes the labyrinth sealing element to improve the sealing property of the connecting shaft end of the reducer and the output shaft, simultaneously introduces the filtering negative pressure airflow generated by the rotation of the output shaft into the sealing cavity, can form the outward micro airflow, thereby blocks the dust and the corrosive gas, and thereby guarantees the sealing property of the reducer. BRIEF DESCRIPTION OF DRAWINGS

[0028] The present application will be further described below in combination with the drawings and examples.

[0029] Figure 1 It is a whole structure schematic view of the present application;

[0030] Figure 2 It is a box body side view sectional structure schematic view of the present application;

[0031] Figure 3 This is a schematic cross-sectional view of the flow guiding component of the present invention;

[0032] Figure 4 This is a cross-sectional view of the labyrinth sealing assembly of the present invention;

[0033] Figure 5 This is a schematic cross-sectional view of the negative pressure blade of the present invention;

[0034] Figure 6 This is a schematic cross-sectional view of the flow guide shield of the present invention;

[0035] Figure 7 This is a schematic cross-sectional view of the venturi tube structure of the present invention;

[0036] In the diagram: 1. Housing; 101. Motor gear; 102. Input gear; 103. Transition gear; 104. Worm; 105. Worm wheel; 106. Oil slinger blade; 107. Oil collection hood; 108. Reaction torque support; 109. Pin; 2. Motor; 3. Output shaft; 4. Flow guide assembly; 401. Fixing frame; 402. Negative pressure blade; 403. Annular filter screen; 404. Tip; 405. Root; 5. Flow guide hood; 5 01. Exhaust pipe; 502. Exhaust port; 503. Inlet; 504. Check valve; 505. Narrow opening; 506. Flared opening; 6. Labyrinth seal assembly; 601. Stationary part; 602. Rotating part; 603. Fluid zone; 604. Fixing ring; 7. Venturi tube; 701. Inlet; 702. Outlet; 703. Flow guide; 8. Return box; 801. Flow guide pipe; 9. Lifting gear; 10. Rack; 11. Bearing housing. Detailed Implementation

[0037] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0038] To facilitate auxiliary lubrication of the worm gear meshing area using rotation, flow guidance, and spraying methods, and in conjunction with positive pressure air seals, the sealing effect of the reducer is improved, thereby enhancing its performance. Figures 1-3 As shown, the present invention provides a tire machinery-specific reducer, comprising a housing 1, an output shaft 3, a flow guiding assembly 4, and a labyrinth seal assembly 6. The output shaft 3 is horizontally arranged on both sides of the housing 1. The flow guiding assembly 4 is sleeved on both sides of the housing 1 around the output shaft 3. A flow guiding shroud 5 is vertically arranged on one side of the flow guiding assembly 4, and the flow guiding shroud 5 is bolted to both sides of the housing 1. The labyrinth seal assembly 6 is sleeved inside the flow guiding shroud 5 around the output shaft 3.

[0039] The top of the box 1 is provided with a motor gear 101 through bearing, one side of the motor gear 101 is provided with an input gear 102, the transition gear 103 is connected through meshing between the motor gear 101 and the input gear 102 in the box 1, the worm 104 is installed through bearing in the box 1, and the bottom of the input gear 102 is connected with the worm 104 through bolts, the worm gear 105 is vertically arranged in the box 1, and the worm gear 105 is connected with the worm 104 through meshing, the top of the box 1 is connected with the motor 2 through bolts, and the motor 2 is fixedly connected with the motor gear 101 through the driving shaft.

[0040] In use, by increasing the directional flow guide mechanism, the lubricating oil is transported to the meshing area of the worm gear and the worm during the operation of the speed reducer for auxiliary lubrication treatment through rotation, flow guide, flow collection and spraying, and the speed reduction and torque increase are realized through multi-stage gear transmission, and the transition gear 103 can also play an overload protection role to avoid impact damage caused by direct meshing of the motor gear 101 and the input gear 102.

[0041] The bottom of the box 1 is filled with lubricating oil.

[0042] In order to improve the stability of operation, as shown in Figure 1 , Figure 2 The worm gear 105 is connected with the output shaft 3 through bolts, the oil throwing blades 106 are equidistantly arranged on the periphery of the output shaft 3 on both sides of the worm gear 105, the oil collecting cover 107 for flow guide is fixedly arranged on the top of the oil throwing blades 106 in the box 1, and one end of the oil collecting cover 107 is located on the top of the meshing position of the worm gear 105 and the worm 104.

[0043] The back of the box 1 is horizontally provided with a counter torque support 108, and the pin shaft 109 is fixedly arranged in the arc-shaped inner portion of the counter torque support 108.

[0044] In use, the oil throwing blades 106 are synchronously rotated when the worm gear 105 rotates, the lubricating oil at the bottom of the box 1 is thrown up by the oil throwing blades 106, the collected lubricating oil is collected and directionally flowed to the meshing position of the worm gear 104 and the worm 105 by the oil collecting cover 107, the targeted lubrication is realized, and the rupture of the oil film under heavy load impact is avoided; the counter torque support 108 can swing around the arc-shaped track through the pin shaft 109, effectively offsets the reaction torque generated during the operation of the speed reducer, reduces the vibration of the equipment, and improves the operation stability.

[0045] As shown in Figure 5As shown, the application further comprises that the flow guide assembly 4 comprises a fixing frame 401, and the fixing frame 401 is connected with the flow guide cover 5 through bolts, a negative pressure blade 402 is arranged in the fixing frame 401, and the negative pressure blade 402 is sleeved with the output shaft 3 through bolts, and an annular filter screen 403 is vertically arranged on one side of the fixing frame 401.

[0046] The negative pressure blade 402 comprises a tip 404 and a root 405, the tip 404 is an air inlet, and the root 405 is an air outlet.

[0047] In use, the output shaft 3 is rotated to drive the negative pressure blade 402 to rotate, the tip 404 inhales air from the outside, and the air is discharged into the flow guide cover 5 from the root 405 after impurities such as dust are filtered out through the annular filter screen 403, to form a clean air flow; the fixing frame 501 provides stable support for the negative pressure blade, and the annular filter screen 403 can intercept pollutants such as carbon black and rubber chips in the air of the working environment to avoid pollution of the lubricating oil in the sealed area.

[0048] As shown in the drawings, Figure 4 As shown, the application further comprises that the labyrinth seal assembly 6 comprises a static part 601, a rotating part 602 is sleeved in the static part 601, the rotating part 602 is sleeved with the output shaft 3 through bolts, a fluid domain 603 is arranged between the static part 601 and the rotating part 602, and a fixing ring 604 is welded on the periphery of the static part 601.

[0049] In use, the static part 601 is fixed with the flow guide cover 5 and the box body 1 through the fixing ring 604, the rotating part 602 rotates synchronously with the output shaft 3, and the labyrinth fluid domain 603 between the static part 601 and the rotating part 602 prolongs the dust invasion path; at the same time, the airflow generated by the flow guide assembly 4 enters the fluid domain 603 to form positive pressure, preventing external dust from entering the inside of the box body 1, and the double sealing improves the protection effect.

[0050] As shown in the drawings, Figure 6 As shown, the application further comprises that the top of the flow guide cover 5 is provided with an air outlet pipe 501, the top of the flow guide cover 5 is provided with an air outlet 502, the bottom of the flow guide cover 5 is provided with an air inlet 503, and a one-way valve 504 is arranged in the air outlet 502 and the air inlet 503.

[0051] One side of the flow guide cover 5 is a narrow port 505, and the other side of the flow guide cover 5 is an expanded port 506.

[0052] In use, the Venturi channel is formed by the narrow opening 505 and the flared opening 506, which can accelerate the speed of the airflow discharged by the flow guide assembly 4, and increase the positive pressure intensity of the fluid area 603; the air inlet 503 inhales the supplementary air through the one-way valve 504, and the air outlet 502 discharges part of the airflow through the one-way valve 504 to balance the pressure, so as to avoid the deformation of the components caused by the excessive air pressure in the flow guide cover, and the one-way valve 504 prevents the reverse flow of the airflow and the entry of dust, and the filter element is arranged in the air inlet 503.

[0053] As shown in the example, Figure 7 The application further comprises that the two sides of the box body 1 are provided with Venturi tubes 7 at the top of the flow guide cover 5, one side of the Venturi tube 7 is provided with an inlet 701, and the inlet 701 is communicated with the air outlet pipe 501, the other side of the Venturi tube 7 is provided with an outlet 702, and the end of the outlet 702 is located on one side of the transition gear 103, and the top of the Venturi tube 7 is provided with a flow guide opening 703.

[0054] In use, part of the airflow in the flow guide cover 5 is introduced into the Venturi tube 7 through the air outlet pipe 501, and the high-speed airflow generates negative pressure at the flow guide opening 703 when passing through the Venturi tube 7, so as to suck in and mix the lubricating oil to form oil mist, which is sprayed to the transition gear 103 through the outlet 702, so as to realize the lubrication and cooling of the transition gear 103, and the high-efficiency delivery of the lubricating oil is realized by using the kinetic energy of the airflow, without additional power, the tube body of the Venturi tube 7 is made of 316L stainless steel by laser welding, and the throat is provided with a diamond bushing.

[0055] As shown in the example, Figure 2 The application further comprises that the bottom of the box body 1 is horizontally provided with a reflux tank 8, one side of the reflux tank 8 is provided with a flow guide pipe 801, and the flow guide pipe 801 is communicated with the flow guide opening 703.

[0056] In use, the reflux tank 8 collects the reflux lubricating oil in the box body 1, and delivers the lubricating oil to the flow guide opening 703 of the Venturi tube 7 through the flow guide pipe 801, so as to realize the recycling of the lubricating oil; the reflux tank 8 is provided with a spiral cooling water channel, which is used to communicate with the external circulating cooling liquid, so as to cool the lubricating oil, remove the meshing heat, avoid the continuous circulation causing the over-high oil temperature, the top of the reflux tank 8 is provided with a dosing port, the dosing port is convenient for adding antifoaming agent, preservative and the like, so as to maintain the performance of the lubricating oil, and the reflux tank 8 is communicated with the bottom of the box body 1.

[0057] As shown in the example, Figure 1 The application further comprises that the two ends of the output shaft 3 are vertically provided with lifting gears 9, the back of the lifting gear 9 is vertically provided with a rack 10, and the lifting gear 9 is connected to the rack 10 by meshing, and the end of the output shaft 3 is sleeved with a bearing seat 11 on one side of the lifting gear 9.

[0058] In use, the output shaft 3 is rotated to drive the lifting gear 9 to engage with the rack 10, the rotary motion is converted into linear motion, the tire mechanical work platform is lifted, the end of the output shaft is supported by the bearing seat 11, the deflection deformation of the output shaft 3 is reduced, the engagement accuracy of the lifting gear 9 and the rack 10 is ensured, the transmission noise and wear are reduced, the double quick-change interface (oil inlet / oil outlet) is arranged on the side wall of the box body 1, the filter equipment is connected, the oil change can be realized without stopping, the exhaust port is arranged at the back of the box body 1, and the second one-way valve is arranged in the exhaust port.

[0059] In use, first, the operator fixes and installs the box body 1 and the bearing seat 11 on the top of the tire mechanical equipment work platform, the rack 10 is fixedly installed on the two sides of the box body 1, in the actual working process, the motor 2 drives the motor gear 101 to rotate, the input gear 102 and the worm 104 are synchronously driven to rotate through the transition gear 103 (overload protection), the worm wheel 105 is driven to rotate, the output shaft 10 is driven to rotate through the worm wheel 105, the lifting gear 9 at the two ends of the output shaft is driven to rotate, the work platform is lifted or lowered by cooperating with the rack 10, the work strength of the output shaft 3 is improved by the bearing seat 11 supporting the two ends of the output shaft 3; the inertia generated by the motor 2 braking is controlled to swing by the arc-shaped fixed pin shaft 109 of the counter torque support 108, and the work platform is positioned by the self-locking function of the worm wheel 105 and the worm 104 when reaching the set position;

[0060] In the working process of the speed reducer, the worm 104 drives the worm wheel 105 to rotate clockwise, the oil throwing blade 106 can throw the lubricating oil at the bottom, the oil collecting cover 107 collects the thrown lubricating oil and guides the lubricating oil to the meshing area of the worm wheel 105 and the worm 104, forms a continuous oil film, and avoids the rupture of the oil film under heavy load impact through the intermittent flow guiding lubrication mode, thereby improving the stability of the worm 104 and the worm wheel 105.

[0061] When the worm wheel 105 drives the output shaft 3 to rotate forward, the negative pressure blade 402 in the fixed frame 401 can be driven to rotate synchronously, the external air is filtered through the annular filter screen 403, and then is transported into the flow guide cover 5 through the tip 404 and the root 405, and the positive pressure airflow is guided into the fluid domain 603 between the static part 601 and the rotating part 602 of the labyrinth sealing assembly 6 through the expansion 506 and the narrow mouth 505, so that the outward micro air flow is formed, and the dust / corrosion gas is blocked from entering the speed reducer box body 1, so that the sealing performance of the speed reducer is ensured.

[0062] Then the gas flow passes through the gas outlet 502, the gas outlet pipe 501 and the inlet 701 into the Venturi tube 7, by using the Venturi effect, the lubricating oil in the reflux box 8 can be sucked into the Venturi tube 7 through the flow guide pipe 801, and sprayed to the transition gear 103 together with the oil mist formed by the gas flow, so as to realize the overall lubrication of the multi-stage gear, thereby being capable of simultaneously lubricating, cooling and processing the motor gear 101, the input gear 102 and the transition gear 103, finally the gas takes the heat generated by the work out of the box 1 from the exhaust port, through the cooperative design of the directional lubrication and the positive pressure sealing, effectively solving the problems of the tire mechanical dust pollution and the insufficient lubrication under heavy load, prolonging the service life of the speed reducer, improving the stability and precision of the working platform lifting, and being suitable for various tire machines such as curing machines and forming machines.

[0063] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application, and various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A mechanical tire specific reducer characterized by, Including box (1), output shaft (3), flow guide assembly (4) and labyrinth seal assembly (4), the both sides of the box (1) are horizontally provided with output shaft (3), the both sides of the box (1) are provided with flow guide assembly (4) on the periphery of output shaft (3), the one side of flow guide assembly (4) is vertically provided with flow guide cover (5), and the both sides of flow guide cover (5) are connected to the box (1) by bolts, the periphery of the flow guide cover (5) in the output shaft (3) is provided with labyrinth seal assembly (6); The top of the box (1) is provided with a motor gear (101) through a bearing, one side of the motor gear (101) is provided with an input gear (102), the box (1) is provided with a transition gear (103) between the motor gear (101) and the input gear (102) through meshing, the box (1) is provided with a worm (104) through a bearing, and the bottom of the input gear (102) is connected to the worm (104) by bolts, the box (1) is vertically provided with a worm wheel (105), and the worm wheel (105) is connected to the worm (104) through meshing, the top of the box (1) is connected to the motor (2) by bolts, and the motor (2) is fixedly connected to the motor gear (101) through a driving shaft.

2. A mechanical tire specific reduction gear according to claim 1, characterized in that The worm wheel (105) is connected to the output shaft (3) by bolts, the both sides of the worm wheel (105) are provided with oil throwing blades (106) at equal intervals on the periphery of the output shaft (3), the top of the oil throwing blades (106) in the box (1) is fixedly provided with an oil collecting cover (107) for flow guide, and one end of the oil collecting cover (107) is located at the top of the meshing position of the worm wheel (105) and the worm (104); The back of the box (1) is horizontally provided with a counter torque support (108), and the counter torque support (108) is fixedly provided with a pin shaft (109) in the arc shape.

3. A mechanical tire specific reduction gear according to claim 2, characterized in that The flow guide assembly (4) comprises a fixed frame (401), and the fixed frame (401) is connected to the flow guide cover (5) by bolts, the fixed frame (401) is provided with a negative pressure blade (402), and the negative pressure blade (402) is fixedly connected to the output shaft (3) by bolts, one side of the fixed frame (401) is vertically provided with an annular filter screen (403); The negative pressure blade (402) comprises a tip (404) and a root (405), the tip (404) is an air inlet, and the root (405) is an air outlet.

4. A mechanical tire specific reduction gear according to claim 3, characterized in that The labyrinth seal assembly (6) comprises a stationary part (601), the stationary part (601) is provided with a rotating part (602), and the rotating part (602) is fixedly connected to the output shaft (3) by bolts, a fluid domain (603) is arranged between the stationary part (601) and the rotating part (602), and a fixed ring (604) is welded on the periphery of the stationary part (601).

5. A mechanical tire specific reduction gear according to claim 4, characterized in that The top of the fairing (5) is provided with an air outlet pipe (501), the top of the fairing (5) is provided with an air outlet (502), the bottom of the fairing (5) is provided with an air inlet (503), and the air outlet (502) and the air inlet (503) are provided with one-way valves (504); One side of the fairing (5) is a narrow opening (505), and the other side of the fairing (5) is an expanded opening (506).

6. A mechanical tire specific reduction gear according to claim 5, characterized in that The two sides of the box (1) are provided with Venturi tubes (7) on the top of the fairing (5), one side of the Venturi tube (7) is provided with an inlet (701), and the inlet (701) is communicated with the air outlet pipe (501); the other side of the Venturi tube (7) is provided with an outlet (702), and the end of the outlet (702) is located on one side of the transition gear (103); the top of the Venturi tube (7) is provided with a flow guide opening (703).

7. A mechanical tire specific reduction gear according to claim 6, characterized in that The bottom of the box (1) is horizontally provided with a backflow tank (8), one side of the backflow tank (8) is provided with a flow guide pipe (801), and the flow guide pipe (801) is communicated with the flow guide opening (703).

8. A mechanical tire specific reduction gear according to claim 7, characterized in that The two ends of the output shaft (3) are vertically provided with lifting gears (9), the back of the lifting gear (9) is vertically provided with a rack (10), and the lifting gear (9) is connected with the rack (10) through meshing, and the end of the output shaft (3) is sleeved with a bearing seat (11) on one side of the lifting gear (9).

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