Bevel gear transmission system structure

Abstract

The utility model relates to the technical field of transmission systems, in particular to a bevel gear transmission system structure which comprises a shell and a fixing mechanism, and the fixing mechanism comprises a second box body, a third box body, a driving gear shaft bearing seat, a driving gear shaft combination, a first supporting assembly, a driven gear shaft bearing seat, a limiting nut, a driven gear shaft and a second supporting assembly. When the bevel gear transmission system is installed, a driving gear shaft bearing seat is installed at a specific position of a third box body through a plurality of driving gear shaft installation fixing bolts, the third box body is installed below a second box body, and a driven gear shaft bearing seat is installed at a specific position in a shell through a plurality of driven gear shaft combination installation fixing bolts. The driving gear shaft is fixed by the first supporting assembly, the driven gear shaft is fixed by the second supporting assembly, and when the shell and the second box body are combined, the driving gear shaft combination and the driven gear shaft are directly and suitably meshed, so that the bevel gear transmission system is quickly mounted on the engine shell of the same model, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission systems, in particular to a bevel gear transmission system structure. Background Art

[0002] The bevel gear transmission system is a gear transmission structure between intersecting shafts composed of a pair of bevel gears, also known as the bevel gear transmission system, which can be used for the movement of staggered shafts and the reversing transmission of power. However, the existing bevel gear transmission system generally uses bevel gears fixed in bearings, and the spacing between the two bevel gears cannot be adjusted, which easily makes the contact between the two bevel gears unstable and the transmission effect is poor.

[0003] Prior art CN220792001U discloses a novel spiral bevel gear transmission structure, including a base plate, a housing, a second spiral bevel gear body, a box, a threaded rod, a threaded sleeve rod, a cross plate, a first spiral bevel gear body, a screw, a movable sleeve and a movable plate, wherein the housing is fixedly connected to the top of the base plate, the second spiral bevel gear body is fixedly connected to the inside of the housing, the box is fixedly connected to the top of the base plate, the threaded rod is rotatably connected to the inside of the box, the threaded sleeve rod is threadedly connected to the surface of the threaded rod, the cross plate is rotatably connected to one side of the threaded sleeve rod, and the first spiral bevel gear body is located at the cross plate. The gear is mounted on the upper side of the gear train and passes through the cross plate. The lead screw is rotatably connected to the upper side of the cross plate. The movable sleeve is fixedly connected to the first arc bevel gear body and is threadedly connected to the surface of the lead screw. When installing the bevel gear transmission system, the threaded rod is rotated, and the threaded sleeve rod drives the cross plate and other components such as the first arc bevel gear body thereon to move laterally until the distance with the second arc bevel gear body is appropriate. The lead screw is rotated, and the movable sleeve drives the first arc bevel gear body to move up and down until the first arc bevel gear body is tightly and stably meshed with the first arc bevel gear body, thereby achieving the effect of improving the transmission capacity.

[0004] The above prior art cannot fix the two bevel gears at a specific position so that the two bevel gears can mesh directly and appropriately. Therefore, during the assembly process, the housing needs to be opened several times to disassemble or assemble the bevel gears or adjust the spacing, which is inconvenient to assemble and requires a lot of labor. Utility Model Content

[0005] The utility model aims to provide a bevel gear transmission system structure, which solves the problem that the prior art cannot fix two bevel gears at a specific position to enable the two bevel gears to directly and appropriately mesh, so that during the assembly process, the housing needs to be opened many times to disassemble and assemble the bevel gears or adjust the spacing, which is inconvenient to assemble and requires a lot of labor.

[0006] To achieve the above-mentioned purpose, the utility model provides a bevel gear transmission system structure, including a shell and a fixing mechanism, the fixing mechanism includes a second box body, a third box body, a driving gear shaft bearing seat, a driving gear shaft combination, a first support assembly, a driven gear shaft bearing seat, a limit nut, a driven gear shaft and a second support assembly, the second box body is detachably connected to the bottom of the shell body, the third box body is detachably connected to the bottom of the second box body, the driving gear shaft bearing seat is detachably connected to the box body three by a plurality of driving gear shaft mounting fixing bolts, the driving gear shaft combination is located above the driving gear shaft bearing seat, the first support assembly is located on the surface of the driving gear shaft combination, the driven gear shaft bearing seat is detachably connected to the shell body by a plurality of driven gear shaft combination mounting fixing bolts, the limit nut is fixedly connected to the driven gear shaft bearing seat, the driven gear shaft is rotatably connected to the driven gear shaft bearing seat, and the second support assembly is located on the surface of the driven gear shaft combination.

[0007] The driving gear shaft assembly comprises a driving gear shaft and a driving gear. One end of the driving gear shaft is located in the driving gear shaft bearing seat and has vertical teeth. The driving gear is sleeved on the vertical teeth of the driving gear shaft.

[0008] Among them, the active gear shaft combination also includes a first limit card and a second limit card, the first limit card and the second limit card are both sleeved on the surface of the active gear shaft and arranged up and down, the driving gear is located between the first limit card and the second limit card, and is detachably connected to the first limit card and the second limit card by screws.

[0009] Among them, the first supporting assembly includes a driving gear shaft supporting bearing 1 and a driving gear shaft supporting bearing 2, the driving gear shaft supporting bearing 1 is rotatably connected to the driving gear shaft, and is fixedly connected to the second box body, and is located at an end away from the driving gear shaft bearing seat, the driving gear shaft supporting bearing 2 is rotatably connected to the driving gear shaft, and is located at an end away from the driving gear shaft supporting bearing 1, and is fixedly connected to the driving gear shaft bearing seat.

[0010] Among them, the first supporting assembly also includes a locking nut and a bearing pressure plate, the locking nut is threadedly connected to the driving gear shaft and is located on the side of the driving gear shaft bearing seat away from the driving gear shaft supporting bearing one, and the bearing pressure plate is detachably connected to the driving gear shaft bearing seat through two pressure plate fixing screws, and is located on the side of the driving gear shaft supporting bearing two away from the locking nut.

[0011] Among them, the second supporting assembly includes a driven gear shaft supporting bearing 1, a driven gear shaft supporting bearing 2 and a supporting pad, the driven gear shaft supporting bearing 1 is fixedly connected to the driven gear shaft bearing seat and is rotatably connected to the surface of the driven gear shaft, the driven gear shaft supporting bearing 2 is rotatably connected to the driven gear shaft bearing seat and is rotatably connected to the surface of the driven gear shaft, and is located on the side of the limiting nut away from the driven gear shaft supporting bearing 1, the supporting pad is fixedly connected to the driven gear shaft bearing seat and is rotatably connected to the surface of the driven gear shaft, and is located on the side of the driven gear shaft supporting bearing 2 away from the limiting nut.

[0012] Wherein, the bevel gear transmission system structure also includes a lubrication mechanism, which includes an oil filling port and a closed twist cover, the oil filling port is fixedly connected to the top of the shell, and the closed twist cover is threadedly connected to the surface of the oil filling port.

[0013] The utility model discloses a bevel gear transmission system structure. When a batch of engine housings of the same model use the bevel gear transmission system, the driving gear shaft bearing seat can be installed at a specific position in the box body three by using a plurality of the driving gear shaft mounting fixing bolts, and the box body three can be installed under the box body two by using bolts, and then the driven gear shaft bearing seat can be installed at a specific position in the housing by using a plurality of the driven gear shaft assembly mounting fixing bolts. Because the driving gear shaft is fixed in the driving gear shaft bearing seat by the first supporting assembly, the driven gear shaft is fixed in the driven gear shaft bearing seat by the second supporting assembly. In the driven gear shaft bearing seat, when the shell and the case body are combined, the driving gear shaft combination and the driven gear shaft are directly and appropriately meshed, and there is no need to adjust the spacing between the driving gear shaft combination and the driven gear shaft every time the shell and the case body are combined. This avoids the problem that the prior art cannot fix the two bevel gears at a specific position so that the two bevel gears can be directly and appropriately meshed. Therefore, the shell needs to be opened many times during the assembly process to disassemble and assemble the bevel gears or adjust the spacing, which is inconvenient to assemble and requires a lot of labor. The bevel gear transmission system can be quickly installed on the engine shell of the same model, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0016] Figure 2 It is an overall cross-sectional view of the first embodiment of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the bearing pressure plate of the first embodiment of the utility model.

[0018] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0019] 101-housing, 102-box body 2, 103-box body 3, 104-driving gear shaft bearing seat, 105-driven gear shaft bearing seat, 106-limiting nut, 107-driven gear shaft, 108-driving gear shaft installation fixing bolt, 109-driven gear shaft combined installation fixing bolt, 110-driving gear shaft, 111-driving gear, 112-driven gear shaft support bearing 1, 113-driven gear shaft support bearing 2, 114-driving gear shaft support bearing 1, 115-driving gear shaft support bearing 2, 116-locking nut, 117-bearing pressure plate, 118-pressure plate fixing screw, 119-support pad, 120-first limiting card, 121-second limiting card, 201-oil filling port, 202-closed twist cover. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] The first embodiment of the present application is:

[0022] See also Figure 1-Figure 3 ,in Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model; Figure 2 It is a sectional view of the whole of the first embodiment of the utility model; Figure 3 It is a structural schematic diagram of the bearing pressure plate of the first embodiment of the utility model.

[0023] The utility model provides a bevel gear transmission system structure: comprising a housing 101 and a fixing mechanism, wherein the fixing mechanism comprises a second housing 102, a third housing 103, a driving gear shaft bearing seat 104, a driving gear shaft assembly, a first supporting assembly, a driven gear shaft bearing seat 105, a limiting nut 106, a driven gear shaft 107 and a second supporting assembly, wherein the driving gear shaft assembly comprises a driving gear shaft 110, a driving gear 111, a first limiting card 120 and a second limiting card 121, wherein the first supporting assembly comprises a driving gear shaft supporting bearing 114, a driving gear shaft supporting bearing 2 115, a locking nut 116 and a bearing pressure plate 117, and the second supporting assembly comprises a driven gear shaft supporting bearing 112, a driven gear shaft supporting bearing 2 113 and a supporting pad 119, and the above-mentioned scheme solves the problem that the above prior art cannot fix two bevel gears at a specific position so that the two bevel gears can be directly and appropriately meshed, so the housing 101 needs to be opened for many times during the assembly process to disassemble and assemble the bevel gears or adjust the spacing, which is inconvenient to assemble and has a high labor workload.

[0024] According to the present specific embodiment, the second box body 102 is detachably connected to the bottom of the housing 101 by bolts, the third box body 103 is detachably connected to the bottom of the second box body 102 by bolts, the driving gear shaft bearing seat 104 is detachably connected to the inside of the third box body 103 by a plurality of driving gear shaft mounting fixing bolts 108, the driving gear shaft assembly is located above the driving gear shaft bearing seat 104, the first supporting assembly is located on the surface of the driving gear shaft assembly, the driven gear shaft bearing seat 105 is detachably connected to the inside of the housing 101 by a plurality of driven gear shaft assembly mounting fixing bolts 109, the limiting nut 106 is fixedly connected to the inside of the driven gear shaft bearing seat 105 for clamping the second supporting assembly, the driven gear shaft 107 is rotatably connected to the inside of the driven gear shaft bearing seat 105, the second supporting assembly is located on the surface of the driven gear shaft 107, and when a batch of engine housings 101 of the same model use a bevel gear transmission system, multiple of the The driving gear shaft mounting fixing bolt 108 mounts the driving gear shaft bearing seat 104 at a specific position in the box body three 103, and the box body three 103 is mounted under the box body two 102 with bolts, and then the driven gear shaft bearing seat 105 is mounted at a specific position in the housing 101 through a plurality of the driven gear shaft assembly mounting fixing bolts 109. Since the driving gear shaft 110 is fixed in the driving gear shaft bearing seat 104 by the first supporting assembly, and the driven gear shaft 107 is fixed in the driven gear shaft bearing seat 105 by the second supporting assembly, when the housing 101 is combined with the box body two 102, the driving gear shaft assembly and the driven gear shaft 107 are directly and appropriately meshed, and there is no need to adjust the spacing between the driving gear shaft assembly and the driven gear shaft 107 each time the housing 101 is combined with the housing 101, thereby achieving the effect of quickly installing the bevel gear transmission system on the engine housing 101 of the same model and improving production efficiency.

[0025] Among them, one end of the driving gear shaft 110 is located in the driving gear shaft bearing seat 104, and has vertical teeth on the outer surface. The driving gear 111 is sleeved outside the vertical teeth and has a center hole adapted to the vertical teeth. When the bevel gear transmission system is used for transmission, under the action of external power, the driving gear 111 rotates, driving the driving gear shaft 110 to rotate, thereby driving the driven gear shaft 107 to rotate.

[0026] Secondly, the vertical teeth have grooves, and all the grooves form an annular groove. The first limiting card 120 and the second limiting card 121 are both sleeved on the surface of the driving gear shaft 110, that is, located in the annular groove, and are arranged up and down. The driving gear 111 is located between the first limiting card 120 and the second limiting card 121, and is detachably connected to the first limiting card 120 and the second limiting card 121 by screws. Under the restriction of the first limiting card 120, the driving gear 111 cannot fly out from above the driving gear shaft 110. Under the restriction of the second limiting card 121, the driving gear 111 cannot fall from below the driving gear shaft 110, and rub against the driving gear shaft bearing seat 104, thereby improving the service life of the driving gear 111, thereby fixing the driving gear 111 on the surface of the driving gear shaft 110.

[0027] At the same time, the driving gear shaft support bearing 114 is rotatably connected to the driving gear shaft 110, and is fixedly connected to the box body 102, and is located at an end away from the driving gear shaft bearing seat 104. The driving gear shaft support bearing 115 is rotatably connected to the driving gear shaft 110, and is located at an end away from the driving gear shaft support bearing 114, and is fixedly connected to the driving gear shaft bearing seat 104. When the driving gear shaft 110 rotates, the driving gear shaft support bearing 114, the driving gear shaft support bearing 115 and the driving gear shaft bearing seat 104 cooperate to make the rotation more stable. At the same time, under the action of the driving gear shaft support bearing 114 and the driving gear shaft support bearing 115, the driving gear shaft 110 does not directly rub against the driving gear shaft bearing seat 104 and the box body 102, thereby improving the service life of the driving gear shaft 110.

[0028] At the same time, the locking nut 116 is threadedly connected to the driving gear shaft 110 and is located on the side of the driving gear shaft bearing seat 104 away from the driving gear shaft support bearing 1 14, and is used to fix the inner ring of the driving gear shaft support bearing 2 115 on the driving gear shaft 110. The bearing pressure plate 117 is detachably connected to the driving gear shaft bearing seat 104 through two pressure plate fixing screws 118, and is located on the side of the driving gear shaft support bearing 2 115 away from the locking nut 116. Because the driving gear shaft 110 is a stepped shaft with a gear, and the inner ring of the driving gear shaft support bearing 2 115 is located in the area with a smaller shaft diameter of the driving gear shaft 110, it is connected to the locking nut in the area with a larger shaft diameter of the driving gear shaft 110. With the cooperation of the nut 116, the inner ring of the driving gear shaft support bearing 2 115 is clamped, thereby fixing the driving gear shaft 110 and the inner ring of the driving gear shaft support bearing 2 115, so that the inner ring of the driving gear shaft support bearing 2 115 will move with the driving gear shaft 110, and the driving gear shaft 110 is fixed in the driving gear shaft bearing seat 104, and the bearing pressure plate 117 and the driving gear shaft bearing seat 104 clamp the driving gear shaft support bearing 2 115, and fix the driving gear shaft support bearing 2 115 in the driving gear shaft bearing seat 104, thereby fixing the driving gear shaft 110 in the driving gear shaft bearing seat 104 while allowing the driving gear shaft 110 to rotate.

[0029] At the same time, the driven gear shaft support bearing 112 is fixedly connected to the driven gear shaft bearing seat 105 and is rotatably connected to the surface of the driven gear shaft 107. The driven gear shaft support bearing 2 113 is fixedly connected to the driven gear shaft bearing seat 105 and is rotatably connected to the surface of the driven gear shaft 107. It is located on the side of the limiting nut 106 away from the driven gear shaft support bearing 1 12. Only the outer ring of the driven gear shaft support bearing 2 113 is in contact with the limiting nut 106 and is restricted by the limiting nut 106 to prevent the driven gear shaft support bearing 2 113 from upwardly escaping from the driven gear shaft bearing seat 105. The support pad 119 is fixedly connected to the driven gear shaft bearing seat 105 and is rotatably connected to the surface of the driven gear shaft 107. It is located on the side of the driven gear shaft support bearing 2 113 away from the limiting nut 106. 119 only contacts the outer ring of the driven gear shaft support bearing 113 to support the driven gear shaft support bearing 113. Under the restriction of the limit nut 106 and the support pad 119, the driven gear shaft support bearing 113 is clamped in the driven gear shaft bearing seat 105 and cannot escape from the driven gear shaft bearing seat 105 upwards or fall out of the driven gear shaft bearing seat 105 downwards. When the driven gear shaft 107 rotates, the rotation is more stable under the cooperation of the driven gear shaft support bearing 112, the driven gear shaft support bearing 113 and the driven gear shaft bearing seat 105. At the same time, under the action of the driven gear shaft support bearing 112 and the driven gear shaft support bearing 113, the driven gear shaft 107 does not directly rub against the driven gear shaft bearing seat 105, thereby improving the service life of the driving gear shaft 110.

[0030] When a batch of engine housings 101 of the same model use a bevel gear transmission system, the driving gear shaft bearing seat 104 can be installed at a specific position in the box body three 103 through a plurality of the driving gear shaft mounting fixing bolts 108, and the box body three 103 is installed under the box body two 102 using bolts. At this time, the driving gear shaft bearing seat 104 is located in the box body two 102, and the driving gear shaft 110 is located in the driving gear shaft support bearing one 114, and then the driven gear shaft bearing seat 105 is installed at a specific position in the housing 101 through a plurality of the driven gear shaft assembly mounting fixing bolts 109. Since the driving gear shaft 110 is The first supporting assembly is fixed in the driving gear shaft bearing seat 104, and the driven gear shaft 107 is fixed in the driven gear shaft bearing seat 105 by the second supporting assembly. When the housing 101 is combined with the second box body 102, the driving gear shaft assembly and the driven gear shaft 107 are directly and appropriately meshed, and it is not necessary to adjust the spacing between the driving gear shaft assembly and the driven gear shaft 107 every time the housing 101 and the second box body 102 are combined; when the engine is working, the driving gear 111 starts to rotate, and driven by the driving gear 111, the driving gear shaft 110 rotates, driving the driven gear shaft 107 meshing therewith to rotate When the driving gear shaft 110 rotates, under the cooperation of the driving gear shaft support bearing 1 14, the driving gear shaft support bearing 2 115 and the driving gear shaft bearing seat 104, the rotation is more stable. At the same time, under the action of the driving gear shaft support bearing 1 14 and the driving gear shaft support bearing 2 115, the driving gear shaft 110 does not directly rub against the driving gear shaft bearing seat 104 and the box body 2 102, which can improve the service life of the driving gear shaft 110; when the driven gear shaft 107 rotates, under the cooperation of the driven gear shaft support bearing 1 112, the driven gear shaft support bearing 2 113 and the driven gear shaft bearing seat 10 5, the rotation is more stable; at the same time, under the action of the driven gear shaft support bearing 112 and the driven gear shaft support bearing 2 113, the driven gear shaft 107 does not directly rub against the driven gear shaft bearing seat 105, which can improve the service life of the driving gear shaft 110, avoid the problem that the prior art cannot fix the two bevel gears at a specific position, so that the two bevel gears can be directly and appropriately meshed, so the housing 101 needs to be opened many times during the assembly process to disassemble and assemble the bevel gears or adjust the spacing, which is inconvenient to assemble and has a high labor workload, and the bevel gear transmission system can be quickly installed on the engine housing 101 of the same model, thereby improving production efficiency and increasing the service life of the structure.

[0031] The second embodiment of the present application is:

[0032] See also Figure 4 , Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0033] On the basis of the first embodiment, the bevel gear transmission system structure of this embodiment further includes a lubrication mechanism, and the lubrication mechanism includes an oil filling port 201 and a closed twist cover 202 .

[0034] The oil filling port 201 is fixedly connected to the top of the housing 101, and the closed twist cover 202 is threadedly connected to the surface of the oil filling port 201. When the bevel gear transmission system needs to be lubricated, the closed twist cover 202 is unscrewed, and the lubricating oil is injected into the housing 101 from the oil filling port 201, so that the lubricating oil falls on the surfaces of the driving gear shaft 110 and the driven gear shaft 107 for lubrication, thereby achieving the effect of quickly filling the lubricating oil and lubricating the bevel gear transmission system structure.

[0035] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A bevel gear transmission system structure, comprising a housing, characterized in that: Also includes a fixing mechanism; The fixing mechanism includes box body 2, box body 3, a driving gear shaft bearing seat, a driving gear shaft combination, a first supporting assembly, a driven gear shaft bearing seat, a limiting nut, a driven gear shaft and a second supporting assembly. The box body 2 is detachably connected to the bottom of the shell, the box body 3 is detachably connected to the bottom of the box body 2, the driving gear shaft bearing seat is detachably connected to the box body 3 by a plurality of driving gear shaft mounting fixing bolts, the driving gear shaft combination is located above the driving gear shaft bearing seat, the first supporting assembly is located on the surface of the driving gear shaft combination, the driven gear shaft bearing seat is detachably connected to the shell by a plurality of driven gear shaft combination mounting fixing bolts, the limiting nut is fixedly connected to the driven gear shaft bearing seat, the driven gear shaft is rotatably connected to the driven gear shaft bearing seat, and the second supporting assembly is located on the surface of the driven gear shaft.

2. A bevel gear transmission system structure as claimed in claim 1, characterized in that: The driving gear shaft assembly comprises a driving gear shaft and a driving gear. One end of the driving gear shaft is located in the driving gear shaft bearing seat and has vertical teeth on its outer surface. The driving gear is sleeved on the vertical teeth of the driving gear shaft.

3. A bevel gear transmission system structure as claimed in claim 2, characterized in that: The active gear shaft assembly also includes a first limit card and a second limit card, the first limit card and the second limit card are both sleeved on the surface of the active gear shaft and arranged up and down, the driving gear is located between the first limit card and the second limit card, and is detachably connected to the first limit card and the second limit card by screws.

4. A bevel gear transmission system structure as claimed in claim 1, characterized in that: The first supporting assembly includes a driving gear shaft supporting bearing 1 and a driving gear shaft supporting bearing 2. The driving gear shaft supporting bearing 1 is rotatably connected to the driving gear shaft and is fixedly connected to the second housing and is located at an end away from the driving gear shaft bearing seat. The driving gear shaft supporting bearing 2 is rotatably connected to the driving gear shaft and is located at an end away from the driving gear shaft supporting bearing 1 and is fixedly connected to the driving gear shaft bearing seat.

5. A bevel gear transmission system structure as claimed in claim 1, characterized in that: The first supporting assembly also includes a locking nut and a bearing pressure plate. The locking nut is threadedly connected to the driving gear shaft and is located on a side of the driving gear shaft bearing seat away from the driving gear shaft supporting bearing 1. The bearing pressure plate is detachably connected to the driving gear shaft bearing seat through two pressure plate fixing screws and is located on a side of the driving gear shaft supporting bearing 2 away from the locking nut.

6. A bevel gear transmission system structure as claimed in claim 1, characterized in that: The second supporting assembly includes a driven gear shaft supporting bearing 1, a driven gear shaft supporting bearing 2 and a supporting pad. The driven gear shaft supporting bearing 1 is fixedly connected to the driven gear shaft bearing seat and is rotatably connected to the surface of the driven gear shaft. The driven gear shaft supporting bearing 2 is rotatably connected to the driven gear shaft bearing seat and is rotatably connected to the surface of the driven gear shaft, and is located on a side of the limiting nut away from the driven gear shaft supporting bearing 1. The supporting pad is fixedly connected to the driven gear shaft bearing seat and is rotatably connected to the surface of the driven gear shaft, and is located on a side of the driven gear shaft supporting bearing 2 away from the limiting nut.

7. A bevel gear transmission system structure as claimed in claim 1, characterized in that The bevel gear transmission system structure also includes a lubrication mechanism, which includes an oil filling port and a closed twist cover. The oil filling port is fixedly connected to the top of the housing, and the closed twist cover is threadedly connected to the surface of the oil filling port.

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