Gear transmission limiting lubrication gear set support assembly

Abstract

The application discloses a gear transmission limiting lubrication gear set supporting assembly, which comprises a supporting assembly, a connecting assembly and an adjusting assembly. The supporting assembly is arranged in a placing groove. The limiting bearing and the multi-section rotating shaft are limited by the upper mounting plate, the lower mounting plate and the elastic pad. The connecting assembly is arranged outside the multi-section rotating shaft. The limiting convex ring and the positioning convex ring on the mounting shaft sleeve limit the transmission gear. The adjusting assembly is arranged inside the bearing seat. The multi-section rotating shaft and the limiting ball are limited and fixed by the thrust bearing and the limiting block. The lubrication assembly is arranged inside the thrust bearing. The thrust bearing and the multi-section rotating shaft are cooperated by the limiting bushing.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of gear transmission, and particularly relates to a limiting and lubricating gear set support assembly for gear transmission. BACKGROUND

[0002] Gear refers to a mechanical element with gear continuous meshing transmission of motion and power on a wheel rim, and is a toothed mechanical part that can mesh with each other, which is extremely widely used in mechanical transmission and the entire mechanical field. Gear transmission box refers to a device for transmission in a limited box by setting multiple gear sets, which is commonly used in the field of industrial manufacturing.

[0003] At present, a stable gear assembly support frame is disclosed in Chinese patent No. CN201721748528.2, which comprises a cylindrical main body support connecting column, a center assembly connecting shaft is arranged at the left side center position of the main body support connecting column, a tapered assembly positioning boss is arranged at the right side center position of the main body support connecting column, and the diameter of the right side end face of the main body support connecting column is the same as that of the left side end face of the assembly positioning boss.

[0004] The existing device is mostly slow in disassembly and assembly efficiency during replacement due to the complex installation structure and installation steps. The existing gear is prone to damage of the connecting hole due to friction during rotation, which leads to unstable gear transmission. In addition, the existing device needs to disassemble multiple gear assemblies for maintenance due to the long transmission shaft, which leads to complex maintenance steps. The lubricating oil of the existing device is mostly introduced by injection, and the existing plug is prone to leakage due to poor sealing of the hollow hole. The existing device is prone to extrusion and friction in the gap during installation and rotation, lacks a gap compensation component in the axial direction, and is prone to wear, which affects the transmission accuracy of the entire gear set. SUMMARY

[0005] Therefore, in order to solve the above problems, the present application provides a limiting and lubricating gear set support assembly for gear transmission.

[0006] The application is achieved by constructing a gear transmission limiting lubrication gear set support assembly, which comprises a gear box, a fixed top plate, a placing groove, a support assembly, a limiting bearing, a multi-section rotating shaft, a connecting assembly, a transmission gear, an adjusting assembly and a bearing seat, the top of the gear box is bolted with the fixed top plate, the front end and the left side of the gear box are provided with the placing groove, the inner side of the gear box is provided with the limiting bearing, the inner ring wall of the limiting bearing is fixedly connected with the multi-section rotating shaft, the outer side of the multi-section rotating shaft is provided with the transmission gear, the right end of the multi-section rotating shaft is rotationally connected with the inner side of the bearing seat, the bearing seat is bolted with the right inner wall of the gear box, and the support assembly, the connecting assembly and the adjusting assembly are further included, the support assembly is arranged on the inner side of the placing groove, the support assembly comprises an upper mounting plate, a lower mounting plate, a clamping convex plate, a limiting ring, a threaded hole, a first adjusting screw rod, an elastic pin, a second adjusting screw rod and an elastic pad layer, the inner groove wall of the placing groove is slidably connected with the upper mounting plate, the inner groove wall of the placing groove is slidably connected with the lower mounting plate, the left and right sides of the upper mounting plate and the lower mounting plate are bolted with the clamping convex plate, the clamping convex plate is slidably connected with the inner groove of the placing groove, the recessed groove walls on the bottom side of the upper mounting plate and the top side of the lower mounting plate are bolted with the limiting ring, the upper mounting plate and the lower mounting plate are provided with the threaded hole, the inner hole wall of the threaded hole is threadedly connected with the first adjusting screw rod, the bottom of the first adjusting screw rod is fixedly connected with the elastic pin, the bottom side of the elastic pin is in contact with the surrounding wall of the limiting bearing, the clamping convex plates on the left and right sides of the lower mounting plate are provided with the threaded hole, the inner hole wall of the threaded hole is threadedly connected with the second adjusting screw rod, the top of the upper mounting plate and the inner groove wall of the lower mounting plate are provided with the elastic pad layer, the connecting assembly is arranged on the outer side of the multi-section rotating shaft, and the adjusting assembly is arranged on the inner side of the bearing seat.

[0007] Preferably, the connecting assembly comprises a mounting shaft sleeve, a limiting convex ring, a positioning convex ring, a connecting boss, a fixed seat, an elastic piece, a clamping block and a connecting groove, the multi-section rotating shaft is key groove connected with the inner groove wall of the mounting shaft sleeve, the right outer end of the mounting shaft sleeve is bolted with the limiting convex ring, the left end of the mounting shaft sleeve is bolted with the positioning convex ring, the right end of the mounting shaft sleeve is bolted with the connecting boss, the inner hole wall of the transmission gear is bolted with the fixed seat, the mounting shaft sleeve, the limiting convex ring and the positioning convex ring are slidably connected with the inner groove wall of the fixed seat, the recess on the inner side of the fixed seat is elastically connected with the elastic piece, the left end of the elastic piece is fixedly connected with the clamping block, the clamping block is in contact with the left side wall of the limiting convex ring, the connecting boss is slidably connected with the inner groove wall of the connecting groove, and the inner groove of the connecting groove is bolted with the left end of the multi-section rotating shaft.

[0008] Preferably, the adjusting assembly comprises a thrust bearing, a lubricating assembly, a limiting circular groove, a limiting protrusion, a rectangular groove, a limiting ball, a limiting top plate, an elastic assembly and a spring sheet, the inner groove wall of the bearing seat is fixedly connected with the thrust bearing, the inner side of the thrust bearing is provided with the lubricating assembly, the right end of the multi-section rotating shaft is provided with the limiting circular groove, the inner groove wall of the limiting circular groove is bolted with the limiting protrusion, the limiting protrusion is slidably connected with the inner groove wall of the rectangular groove, the rectangular groove is arranged around the left end of the limiting ball, the limiting ball is slidably connected with the inner groove wall of the rectangular groove, the limiting ball is rollingly connected with the left groove of the limiting top plate, the right end of the limiting top plate is elastically connected with the spring of the elastic assembly, the right end of the elastic assembly is elastically connected with the spring sheet, and the spring sheet is elastically connected with the right groove in the bearing seat.

[0009] Preferably, the lubricating assembly comprises a limiting bushing, a sealing plate, an oil injection port, an axial oil groove and a limiting sealing ring, the inner side wall of the thrust bearing is slidably connected with the limiting bushing, the top of the limiting bushing is bolted with the sealing plate, the middle of the sealing plate is provided with the oil injection port, the oil injection port is connected with the pipeline at the right end of the axial oil groove, the axial oil groove is arranged in the limiting bushing, and the left and right sides of the limiting bushing are fixedly connected with the limiting sealing ring; the limiting sealing ring is slidably connected with the inner side wall of the thrust bearing.

[0010] Preferably, the elastic deformation length of the elastic pad layer in the inner groove side of the upper mounting plate and the lower mounting plate is 2 mm.

[0011] Preferably, the outer side of the connecting boss is provided with a limiting boss which is slidably connected with the groove in the inner side of the connecting groove, and the length of the connecting boss is the same as the depth of the inner groove of the connecting groove.

[0012] Preferably, the limiting protruding ring is made of steel.

[0013] Preferably, the limiting bushing is made of hard rubber.

[0014] The gear transmission limiting lubricating gear set supporting assembly has the following advantages compared with the same type of equipment:

[0015] The gear transmission limiting lubricating gear set supporting assembly has the following advantages compared with the same type of equipment:

[0016] The gear transmission limiting and lubricating gear set support assembly has the advantages that the connecting assembly is arranged on the outer side of the multi-section rotating shaft, the limiting convex ring and the positioning convex ring on the mounting shaft sleeve limit the transmission gear, the elastic member and the clamping block are clamped with the limiting convex ring to quickly fix and connect the mounting shaft sleeve and the fixing seat, the quick installation and limiting effect of the transmission gear are improved, and the maintenance difficulty of the multi-section rotating shaft and the multiple transmission gears is reduced.

[0017] The gear transmission limiting and lubricating gear set support assembly has the advantages that the adjusting assembly is arranged on the inner side of the bearing seat, the thrust bearing and the limiting convex block limit and fix the multi-section rotating shaft and the limiting ball, the limiting and driving effect of the limiting ball enables the multi-section rotating shaft to rotate in a concentric circle with the elastic assembly during transmission, the elastic assembly and the spring sheet provide pre-tightening force to the multi-section rotating shaft, the multi-section rotating shaft reduces the axial vibration and displacement of the driven transmission gear, and the friction and wear between the transmission gears are reduced.

[0018] The gear transmission limiting and lubricating gear set support assembly has the advantages that the lubricating assembly is arranged on the inner side of the thrust bearing, the limiting bushing cooperates with the thrust bearing and the multi-section rotating shaft to provide tensioning force, the oil inlet and the axial oil groove lubricate the rotating part of the multi-section rotating shaft, and the sealing plate and the limiting sealing ring seal and prevent leakage, and the lubricating effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present application;

[0020] Figure 2 It is an exploded view structural schematic diagram of the support assembly of the present application;

[0021] Figure 3 It is an assembled stereoscopic structural schematic diagram of the support assembly of the present application;

[0022] Figure 4 It is a top view structural schematic diagram of the connecting assembly of the present application;

[0023] Figure 5 It is a stereoscopic structural schematic diagram of the connecting assembly of the present application;

[0024] Figure 6 It is a top view structural schematic diagram of the adjusting assembly of the present application;

[0025] Figure 7 It is a stereoscopic structural schematic diagram of the adjusting assembly of the present application;

[0026] Figure 8 It is a top view structural schematic diagram of the lubricating assembly of the present application.

[0027] Wherein: gear box-1, fixed roof-2, placed groove-3, support assembly-4, limit bearing-5, multi-section shaft-6, connecting assembly-7, transmission gear-8, adjusting assembly-9, bearing seat-10, upper mounting plate-41, lower mounting plate-42, clamping convex plate-43, limit ring-44, threaded hole-45, first adjusting screw-46, elastic pin-47, second adjusting screw-48, elastic pad-49, mounting shaft sleeve-71, limit convex ring-72, positioning convex ring-73, connecting boss-74, fixed seat-75, elastic member-76, clamping block-77, connecting groove-78, thrust bearing-91, lubricating assembly-92, limit round groove-93, limit convex block-94, rectangular groove-95, limit ball-96, limit top plate-97, elastic assembly-98, spring sheet-99, limit bushing-921, sealing mouth plate-922, oil port-923, axial oil groove-924, limit sealing ring-925. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described below with reference to the drawings. Figures 1-8 The technical solutions in the embodiments of the present application will be described below with reference to the drawings.

[0029] Embodiment one;

[0030] Please refer to Figure 1 and Figure 2 The supporting assembly of the limit lubricating gear set for gear transmission of the present application comprises a gear box 1, a fixed roof 2, a placed groove 3, a support assembly 4, a limit bearing 5, a multi-section shaft 6, a connecting assembly 7, a transmission gear 8, an adjusting assembly 9, and a bearing seat 10. The top of the gear box 1 is bolted to the fixed roof 2. The front end and the right side of the gear box 1 are provided with the placed groove 3. The inner side of the gear box 1 is provided with the limit bearing 5. The inner ring wall of the limit bearing 5 is fixedly connected to the multi-section shaft 6. The outer side of the multi-section shaft 6 is provided with the transmission gear 8. The right end of the multi-section shaft 6 is rotatably connected to the inner side of the bearing seat 10. The bearing seat 10 is bolted to the inner right wall of the gear box 1.

[0031] Please refer to Figure 2 and Figure 3The application provides a gear transmission limiting lubrication gear set support assembly, the support assembly 4 is arranged in the front end and the right side of the gear box 1 and the inner side of the placing groove 3, the support effect is improved, the support assembly 4 includes an upper mounting plate 41, a lower mounting plate 42, a clamping convex plate 43, a limiting ring 44, a threaded hole 45, a first adjusting screw 46, an elastic ejector pin 47, a second adjusting screw 48 and an elastic pad 49, the inner groove wall of the placing groove 3 is slidably connected with the upper mounting plate 41, the displacement effect of the upper mounting plate 41 is improved, the inner groove wall of the placing groove 3 is slidably connected with the lower mounting plate 42, the displacement effect of the lower mounting plate 42 is improved, the left and right sides of the upper mounting plate 41 and the lower mounting plate 42 are bolted with the clamping convex plate 43, the fixing effect of the clamping convex plate 43 is improved, the clamping convex plate 43 is slidably connected with the inner groove of the placing groove 3, the limiting effect of the clamping convex plate 43 is improved, the groove wall of the bottom side of the upper mounting plate 41 and the top side of the lower mounting plate 42 is bolted with the limiting ring 44, the fixing effect of the limiting ring 44 is improved, the top of the upper mounting plate 41 and the bottom of the lower mounting plate 42 are provided with the threaded hole 45, the limiting effect of the threaded hole 45 is improved, the inner hole wall of the threaded hole 45 is threadedly connected with the first adjusting screw 46, the fixing effect of the first adjusting screw 46 is improved, the bottom of the first adjusting screw 46 is fixedly connected with the elastic ejector pin 47, the fixing effect of the elastic ejector pin 47 is improved, the bottom side of the elastic ejector pin 47 is in contact with the peripheral wall of the limiting bearing 5 respectively, the limiting effect of the elastic ejector pin 47 is improved, the clamping convex plate 43 on the left and right sides of the lower mounting plate 42 is provided with the threaded hole 45, the fixing effect of the second adjusting screw 48 is improved, the inner hole wall of the threaded hole 45 is threadedly connected with the second adjusting screw 48, the fixing effect of the second adjusting screw 48 is improved, the top of the upper mounting plate 41 and the inner groove wall of the lower mounting plate 42 are provided with the elastic pad 49, the fixing effect of the elastic pad 49 is improved, the connecting assembly 7 is arranged on the outer side of the multi-section shaft 6, the connecting effect is improved, the adjusting assembly 9 is arranged on the inner side of the bearing seat 10, the installation gap adjusting effect is improved, the elastic deformation length of the elastic pad 49 on the inner groove side of the upper mounting plate 41 and the lower mounting plate 42 is 2mm, the limiting effect of the elastic pad 49 is improved.

[0032] Please refer to Figure 4 and Figure 5The application provides a gear set supporting assembly for gear transmission, the connecting assembly 7 comprises a mounting shaft sleeve 71, a limiting convex ring 72, a positioning convex ring 73, a connecting boss 74, a fixing base 75, an elastic element 76, a clamping block 77 and a connecting groove 78, the multi-section rotating shaft 6 is connected with the inner groove wall key groove of the mounting shaft sleeve 71, the fixing effect of the mounting shaft sleeve 71 is improved, the outer end right side of the mounting shaft sleeve 71 is bolted with the limiting convex ring 72, the fixing effect of the limiting convex ring 72 is improved, the left end of the mounting shaft sleeve 71 is bolted with the positioning convex ring 73, the fixing effect of the positioning convex ring 73 is improved, the right end of the mounting shaft sleeve 71 is bolted with the connecting boss 74, the fixing effect of the connecting boss 74 is improved, the inner hole wall of the transmission gear 8 is bolted with the fixing base 75, the fixing effect of the fixing base 75 is improved, the mounting shaft sleeve 71, the limiting convex ring 72 and the positioning convex ring 73 are all slidingly connected with the inner groove wall of the fixing base 75, the fixing effect of the fixing base 75 is improved, the inner side groove of the fixing base 75 is elastically connected with the elastic element 76, the fixing effect of the elastic element 76 is improved, the left end of the elastic element 76 is fixedly connected with the clamping block 77, the limiting effect of the clamping block 77 is improved, the clamping block 77 is in contact with the left side wall of the limiting convex ring 72, the limiting effect of the clamping block 77 is improved, the connecting boss 74 is slidingly connected with the inner groove wall convex block of the connecting groove 78, the limiting effect of the connecting groove 78 is improved, the inner groove of the connecting groove 78 is bolted with the left end of the multi-section rotating shaft 6, the limiting effect of the connecting groove 78 is improved, the outer side of the connecting boss 74 is provided with a limiting convex boss which is slidingly connected with the inner side groove of the connecting groove 78, the length of the connecting boss 74 is same with the inner groove depth of the connecting groove 78, and the limiting effect of the connecting boss 74 is improved.

[0033] Please refer to Figure 6 , Figure 7 and Figure 8The application provides a gear transmission limiting lubrication gear set support assembly, and the adjusting assembly 9 comprises a thrust bearing 91, a lubricating assembly 92, a limiting circular groove 93, a limiting protruding block 94, a rectangular groove 95, a limiting ball 96, a limiting top plate 97, an elastic assembly 98 and a spring sheet 99, the groove wall in the bearing seat 10 is fixedly connected with the thrust bearing 91, the fixing effect of the thrust bearing 91 is improved, the inner side of the thrust bearing 91 is provided with the lubricating assembly 92, the limiting lubrication effect is improved, the right end of the multi-section rotating shaft 6 is provided with the limiting circular groove 93, the limiting effect of the limiting circular groove 93 is improved, the inner groove wall of the limiting circular groove 93 is bolted with the limiting protruding block 94, the limiting effect of the limiting protruding block 94 is improved, the rectangular groove 95 is arranged around the left end of the limiting ball 96, and the fixing effect of the rectangular groove 95 is improved, the limiting protruding block 94 is slidably connected with the inner groove wall of the rectangular groove 95, the sliding effect of the rectangular groove 95 is improved, the rectangular groove 95 is arranged around the left end of the limiting ball 96, and the fixing effect of the rectangular groove 95 is improved, the limiting ball 96 is slidably connected with the inner groove wall of the rectangular groove 95, and the rolling effect of the limiting ball 96 is improved, the limiting ball 96 is rollingly connected with the left side groove of the limiting top plate 97, and the rolling effect of the limiting ball 96 is improved, the right end of the limiting top plate 97 is elastically connected with the spring of the elastic assembly 98, the fixing effect of the elastic assembly 98 is improved, the right end of the elastic assembly 98 is elastically connected with the spring sheet 99, the fixing effect of the spring sheet 99 is improved, the spring sheet 99 is elastically connected with the right side groove in the bearing seat 10, and the fixing effect of the spring sheet 99 is improved, the lubricating assembly 92 comprises a limiting bushing 921, a sealing mouth plate 922, an oil injection port 923, an axial oil groove 924 and a limiting sealing ring 925, the inner side wall of the thrust bearing 91 is slidably connected with the limiting bushing 921, the limiting effect of the limiting bushing 921 is improved, the top of the limiting bushing 921 is bolted with the sealing mouth plate 922, the fixing effect of the sealing mouth plate 922 is improved, the oil injection port 923 is arranged in the middle of the sealing mouth plate 922, the flow guiding effect of the sealing mouth plate 922 is improved, the oil injection port 923 is connected with the pipeline at the right end of the axial oil groove 924, the limiting effect of the axial oil groove 924 is improved, the axial oil groove 924 is arranged in the limiting bushing 921, the limiting effect of the axial oil groove 924 is improved, the left and right sides of the limiting bushing 921 are fixedly connected with the limiting sealing ring 925, the fixing effect of the limiting sealing ring 925 is improved, and the limiting sealing ring 925 is slidably connected with the inner side wall of the thrust bearing 91, and the displacement effect of the limiting sealing ring 925 is improved.

[0034] The application provides a gear transmission limiting lubrication gear set support assembly, and the working principle is as follows.

[0035] First, when the device is used, the device is placed in the working area, and then the device is connected with an external power supply, so that the required electric energy is provided for the working of the device.

[0036] Second, when installing, the staff first takes the upper mounting plate 41 and the lower mounting plate 42 and the elastic pad 49, slides on the groove wall in the placing groove 3, and limits the position of the limiting bearing 5 and the multi-section rotating shaft 6 through precise connection, and then connects through the rotation of the first adjusting screw 46 and the second adjusting screw 48 in the threaded hole 45, and then drives the elastic ejector pin 47 to push the limiting bearing 5, and because the pitch of the first adjusting screw 46 and the second adjusting screw 48 is small, the adjustment accuracy of the elastic ejector pin 47 to the limiting bearing 5 is high, thereby reducing the gap caused by processing or wear, and facilitating the limiting action of the multi-section rotating shaft 6 and improving the installation and meshing effect of the multi-section rotating shaft 6 and the transmission gear 8 and other components.

[0037] Third, then insert the mounting shaft sleeve 71 into the inside of the fixed seat 75, so that the mounting shaft sleeve 71 drives the limiting convex ring 72 and the positioning convex ring 73 to limit the transmission gear 8, at this time, the elastic member 76 rotates and limits the clamping block 77, so that it is clamped and matched with the limiting convex ring 72 to quickly fix and connect between the mounting shaft sleeve 71 and the fixed seat 75, thereby facilitating the quick installation and limiting effect of the transmission gear 8, and reducing the difficulty of maintaining the multi-section rotating shaft 6 and the multi-group transmission gear 8 during maintenance.

[0038] Fourth, during installation, the elastic assembly 98 drives the limiting convex block 94 to extrude the thrust bearing 91 to limit and fix the multi-section rotating shaft 6 and the limiting ball 96, and then the rectangular groove 95 on the limiting ball 96 is clamped and matched with the limiting convex block, so that the multi-section rotating shaft 6 can keep the same rotating action as the elastic assembly 98 during transmission, and then the elastic assembly 98 and the spring sheet 99 drive the limiting top plate 97 to provide a pre-tightening force to the multi-section rotating shaft 6, so that the multi-section rotating shaft 6 reduces the axial vibration and displacement of the transmission gear 8, thereby reducing the friction and wear between the transmission gears 8, and the limiting bushing 921 cooperates with the thrust bearing 91 and the multi-section rotating shaft 6 to provide a tensioning force;

[0039] Fifth, when lubricating, the rotating part of the multi-section rotating shaft 6 is lubricated through the oil inlet 923 and the axial oil groove 924, and the sealing plate 922 and the limiting sealing ring 925 are sealed to prevent leakage, which facilitates the lubrication effect.

[0040] The application provides a gear transmission limiting lubrication gear set support assembly, which is improved and has the following advantages.

[0041] The above shows and describes the basic principles and main features of the application and the advantages of the application, and the standard parts used in the application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0042] The above description of the disclosed embodiments enables those skilled in the art to implement or use the application. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A gear transmission limiting lubrication gear set support assembly, comprising a gear box (1) and a bearing seat (10), the top of the gear box (1) is bolted with a fixed top plate (2), the front end and the left side of the gear box (1) are provided with a placing groove (3), characterized in that: Also include support components (4), connecting components (7) and adjusting components (9), the support components (4) are arranged in the inside of the placing groove (3), the support components (4) include upper mounting plate (41), lower mounting plate (42), clamping convex plate (43), limit ring (44), threaded hole (45), first adjusting screw (46), elastic ejector pin (47), second adjusting screw (48) and elastic pad (49), the left and right sides of the upper mounting plate (41) and lower mounting plate (42) are bolted with clamping convex plate (43), the recess wall of the bottom side of the upper mounting plate (41) and the top side of the lower mounting plate (42) is bolted with limit ring (44), the inner hole wall of threaded hole (45) is threadedly connected with first adjusting screw (46), the bottom of first adjusting screw (46) is fixedly connected with elastic ejector pin (47), the inner hole wall of threaded hole (45) is threadedly connected with second adjusting screw (48), the top of the upper mounting plate (41) and the inner groove wall of the lower mounting plate (42) are provided with elastic pad (49), the connecting components (7) are arranged on the outside of the multi-section rotating shaft (6), the adjusting components (9) are arranged on the inside of the bearing seat (10); The connecting components (7) include mounting shaft sleeve (71), limiting convex ring (72), positioning convex ring (73), connecting boss (74), fixed seat (75), elastic member (76), clamping block (77) and connecting groove (78), the multi-section rotating shaft (6) is connected with the inner groove wall key groove of mounting shaft sleeve (71), the outer end right side of mounting shaft sleeve (71) is bolted with limiting convex ring (72), the left end of mounting shaft sleeve (71) is bolted with positioning convex ring (73), the right end of mounting shaft sleeve (71) is bolted with connecting boss (74), the inner hole wall of transmission gear (8) is bolted with fixed seat (75), the mounting shaft sleeve (71), limiting convex ring (72) and positioning convex ring (73) are all slidingly connected with the inner groove wall of fixed seat (75), the inner side recess of fixed seat (75) is elastically connected with elastic member (76), the left end of elastic member (76) is fixedly connected with clamping block (77), the clamping block (77) is in contact with the left side wall of limiting convex ring (72), the connecting boss (74) is slidingly connected with the inner groove wall protruding block of connecting groove (78), the inner groove of connecting groove (78) is bolted with the left end of multi-section rotating shaft (6); The lubricating components (92) include limiting bushing (921), sealing mouth plate (922), oil injection port (923), axial oil groove (924) and limiting sealing ring (925), the inner side wall of thrust bearing (91) is slidingly connected with limiting bushing (921), the top of limiting bushing (921) is bolted with sealing mouth plate (922), the middle side of sealing mouth plate (922) is provided with oil injection port (923), the oil injection port (923) is connected with the right end pipeline of axial oil groove (924), the axial oil groove (924) is arranged inside the limiting bushing (921).

2. The limit lubrication gear set support assembly for a gear drive of claim 1, wherein: The adjusting assembly (9) comprises a thrust bearing (91), a lubricating assembly (92), a limiting circular groove (93), a limiting protruding block (94), a rectangular groove (95), a limiting ball (96), a limiting top plate (97), an elastic assembly (98) and a spring sheet (99), the groove wall in the bearing seat (10) is fixedly connected with the thrust bearing (91), the inner side of the thrust bearing (91) is provided with the lubricating assembly (92), the right end of the multi-section rotating shaft (6) is provided with the limiting circular groove (93), the inner groove wall of the limiting circular groove (93) is boltedly connected with the limiting protruding block (94), the limiting protruding block (94) is slidably connected with the inner groove wall of the rectangular groove (95), the rectangular groove (95) is arranged around the left end of the limiting ball (96), the limiting ball (96) is slidably connected with the inner groove wall of the rectangular groove (95), the limiting ball (96) is rollingly connected with the left groove of the limiting top plate (97), and the right end of the limiting top plate (97) is spring-elasticity connected with the elastic assembly (98).

3. The limit lubrication gear set support assembly for a gear drive of claim 1, wherein: The inner side of the gear box (1) is provided with a limiting bearing (5), the inner ring wall of the limiting bearing (5) is fixedly connected with the multi-section rotating shaft (6), the outer side of the multi-section rotating shaft (6) is provided with a transmission gear (8), the right end of the multi-section rotating shaft (6) is rotatably connected with the inner side of the bearing seat (10), and the bearing seat (10) is boltedly connected with the inner right wall of the gear box (1).

4. The limit lubrication gear set support assembly for a gear drive of claim 1, wherein: The inner groove wall of the placing groove (3) is slidably connected with the upper mounting plate (41), the inner groove wall of the placing groove (3) is slidably connected with the lower mounting plate (42), the clamping protruding plate (43) is slidably connected with the inner groove of the placing groove (3), the upper mounting plate (41) and the lower mounting plate (42) are both provided with threaded holes (45) at the top and the bottom, the clamping protruding plates (43) on the left and right sides of the lower mounting plate (42) are both provided with threaded holes (45), and the bottom sides of the elastic jacks (47) are respectively in contact with the walls around the limiting bearing (5).

5. The limit lubrication gear set support assembly for a gear drive of claim 2, wherein: The right end of the elastic assembly (98) is elastically connected with the spring sheet (99), and the spring sheet (99) is elastically connected with the right recess in the bearing seat (10).

6. The limit lubrication gear set support assembly for a gear drive of claim 1, wherein: The left and right sides of the limiting bushing (921) are both fixedly connected with limiting sealing rings (925), and the limiting sealing rings (925) are slidably connected with the inner wall of the thrust bearing (91).

7. The limit lubrication gear set support assembly for a gear drive of claim 1, wherein: The elastic cushion layer (49) on the inner groove side of the upper mounting plate (41) and the lower mounting plate (42) is elastically deformed by 2mm.

8. The limit lubrication gear set support assembly for a gear drive of claim 1, wherein: The outer side of the connecting boss (74) is provided with a limiting boss which is slidably connected with the inner groove of the connecting groove (78), and the length of the connecting boss (74) is the same as the depth of the inner groove of the connecting groove (78).

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