CN116877666A

CN116877666A - Gear set of gearbox

Info

Publication number: CN116877666A
Application number: CN202310833028.2A
Authority: CN
Inventors: 张敏; 罗均
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2023-10-13

Abstract

The invention belongs to the technical field of gear transmission, in particular to a gearbox gear set, which comprises a plurality of rotating shafts and a plurality of gears; according to the invention, the spanner drives the rotating shaft to rotate, so that the second sliding part moves to one side of the fixed part, the limiting structure is separated from the limiting groove, when all the limiting structures are separated from the corresponding limiting grooves, the transmission part is taken away from the connecting part, a new transmission part is sleeved on the connecting part, the rotating shaft is reversely rotated, so that the first sliding part moves to one side far away from the rotating shaft, the limiting structure is abutted in the limiting groove, and the transmission part and the connecting part are fixed through a plurality of limiting structures and the limiting grooves, so that the replacement of the transmission part is completed; the wrench is inserted into any side of the first groove to drive the rotating shaft to rotate, the connecting piece can be detached and installed, the detachment direction is selected according to the number of gears on two sides of the transmission piece to be replaced, and detachment workload and installation workload during replacement of the transmission piece are reduced.

Description

Gear set of gearbox

Technical Field

The invention belongs to the technical field of gear transmission, and particularly relates to a gearbox gear set.

Background

The gearbox is also called a speed changer, is used for changing the rotating speed, torque or rotating direction from a power source (an engine, a motor and the like), is widely applied to automobiles, tractors, ships, machine tools and various machines, and mainly depends on a gear set to realize power change and conveying, gears are generally installed and fixed on a transmission shaft, an input shaft or an output shaft, some gears are connected with the rotating shaft through key slot structures, but the key slot is not tightly matched, the problem that the gears are separated from the rotating shaft can occur, some gears and the rotating shaft are integrally manufactured, the rotating shaft also needs to be replaced when the gears are worn and replaced, the replacement cost is high, the problem that the gears are not separated can be solved by fixing the hot sleeve on the rotating shaft, and meanwhile, when the gears need to be replaced, the problem that the gears are difficult to detach is also existed when the hot sleeve is replaced, and the gears are inconvenient to replace.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides a gearbox gear set. The invention is mainly used for solving the problem that the existing hot-set fixed gear is difficult to detach and the problem that the gear is inconvenient to replace.

The technical scheme adopted for solving the technical problems is as follows: the invention provides a gearbox gear set, which comprises a plurality of rotating shafts and a plurality of gears; the rotating shaft is fixedly connected with the gear; different gears are meshed according to transmission requirements; the gear is of a split type structure; the gear comprises a connecting piece, a transmission piece, a rotating shaft, a fixing piece, a first sliding piece and a second sliding piece; the rotating shaft is fixedly connected with the connecting piece; the transmission part is sleeved outside the connecting part; the inner wall of the transmission piece is attached to the outer wall of the connecting piece; a limiting groove is formed in the inner wall of the transmission piece; the limiting grooves are uniformly arranged at intervals along the circumferential direction of the transmission piece; the outer wall of the transmission piece is provided with a gear structure; a first sliding groove is formed in the side wall of the connecting piece; the first sliding groove is arranged along the diameter direction of the connecting piece; the first sliding grooves are uniformly arranged at intervals along the circumferential direction of the connecting piece; a first mounting groove is formed in one side, away from the side wall of the connecting piece, of the first sliding groove; the first mounting groove is communicated with the first sliding groove; a first rotating groove is symmetrically arranged on two sides of the first mounting groove; one end of the first rotating groove is communicated with the first mounting groove; the other end of the first rotating groove is provided with a first avoiding groove; one end of the first avoidance groove is communicated with the first rotation groove; the other end of the first avoidance groove is open; the connecting piece is rotationally connected with the rotating shaft; the rotating shafts are in one-to-one correspondence with the first sliding grooves; one end of the rotating shaft is provided with a first limiting part; the other end of the rotating shaft is provided with a first connecting part; a first rotating part, a second connecting part and a second rotating part are arranged between the first limiting part and the first connecting part; the first rotating part is arranged close to the first limiting part; the second rotating part is arranged close to the first connecting part; the second connecting part is arranged between the first rotating part and the second rotating part; the first connecting part is fixedly connected with the fixing piece; the first limiting part is abutted in the first avoiding groove at one side of the first mounting groove; the fixing piece is abutted in the first avoiding groove at the other side of the first mounting groove; the first rotating groove at one side of the first mounting groove is rotationally connected with the first rotating part; the first rotating groove at the other side of the first mounting groove is rotationally connected with the second rotating part; the first sliding groove is in sliding connection with the first sliding piece; one end of the first sliding part, which is far away from the rotating shaft, is provided with a limiting structure; the limiting structure is abutted in the limiting groove; a first driving structure is arranged at one end of the first sliding part, which is close to the rotating shaft; the second connecting part is provided with the second sliding part; the second sliding piece is in threaded connection with the second connecting part; one end of the second sliding piece is provided with a sliding structure; the sliding structure is abutted against the bottom surface of the first mounting groove; the other end of the second sliding piece is provided with a second driving structure; the second driving structure is abutted against the first driving structure; a first groove is formed in the end face of the first limiting part; the first groove penetrates through the rotating shaft.

Preferably, the second sliding part is made of permanent magnetic material.

Preferably, four side surfaces of the limiting structure are inclined surfaces; four side surfaces of the limiting groove are inclined surfaces; the length and the width of one end of the limiting structure far away from the first driving structure are respectively smaller than the length and the width of one end of the limiting structure close to the first driving structure; the length and the width of one end of the opening of the limiting groove are respectively larger than those of the bottom surface of the limiting groove.

Preferably, the fixing piece is in threaded connection with the first connecting part; a first annular bulge is arranged on the side surface of the fixing piece; a first annular groove is formed in the side surface of the first avoidance groove provided with the fixing piece; the first annular bulge is abutted against the first annular groove; a second annular bulge is arranged on the side surface of the first limit part; a second annular groove is formed in the side face of the first avoidance groove provided with the first limiting part; the second annular bulge is abutted against the second annular groove; a first clamping groove is formed in the first fixing piece; a second clamping groove is formed in the side face of the connecting piece; the second clamping grooves are in one-to-one correspondence with the first clamping grooves.

Preferably, the first annular bulge is provided with a first notch; the first notches are uniformly arranged at intervals along the circumferential direction of the fixing piece; a second notch is formed in the second annular protrusion; the second notch is uniformly arranged at intervals along the circumferential direction of the first limiting part.

Preferably, the two sides of the connecting piece are symmetrically provided with a first positioning groove; and two sides of the transmission piece are symmetrically provided with a second positioning groove.

Preferably, the second connecting part is provided with a second sliding groove; the second sliding groove is trapezoidal; the first groove is connected with a connecting column in a sliding way; the side face of the connecting column is abutted against the side face of the first groove; a third sliding groove is formed in the connecting column; the third sliding groove is rectangular; the third sliding groove is in sliding connection with a third sliding piece; the side surface of one end of the third sliding part is abutted against the side surface of the third sliding groove; the other end of the third sliding piece is symmetrically provided with an inclined surface structure; the inclined plane structure is abutted against two inclined planes of the second sliding groove; the end part of the third sliding piece is provided with a flexible pad; the flexible pad is fixedly connected with the third sliding piece; the flexible pad is abutted against the thread structure of the second sliding piece; a second mounting groove is formed in one end of the third sliding piece; a first elastic piece is arranged in the second mounting groove; one end of the first elastic piece is abutted against the bottom surface of the second mounting groove; the other end of the first elastic piece is abutted against the bottom surface of the third sliding groove.

The beneficial effects of the invention are as follows:

1. according to the invention, the rotating shaft is driven to rotate by the rotating spanner, so that the second sliding part moves to one side of the fixing part, the first sliding part moves to one side of the rotating shaft, the limiting structure is separated from the limiting groove, after all the limiting structures are separated from the corresponding limiting grooves, the transmission part is taken away from the connecting part, the transmission part is removed, then a new transmission part is sleeved on the connecting part, the transmission part is rotated, the limiting structure and the limiting groove are positioned on the same radius, then the rotating shaft is reversely rotated, so that the second sliding part moves to one side of the first limiting part, the second driving structure generates oblique upward acting force on the first driving structure, so that the first sliding part moves to one side far away from the rotating shaft, the limiting structure is abutted in the limiting groove, the four sides of the limiting structure are abutted to the four sides of the limiting groove respectively, the transmission part and the connecting part are fixed through the limiting structures and the limiting grooves, and the transmission part and the connecting part are fixed, and the transmission part is replaced; the transmission piece can be detached and installed by rotating the rotating shaft, so that the transmission piece is convenient to replace, and the convenience of the gear set is improved; many times can be fixed with a plurality of gears in a pivot, when changing the driving medium of middle position gear, need all demolish the driving medium of all gears on one side just can demolish and install this gear, through setting up a recess that runs through, insert the spanner into any one side of a recess and all can drive the axis of rotation and rotate, all can drive a slider and slide, all can demolish and install the connecting piece, and then conveniently demolish and install the driving medium from any one side of connecting piece, and then select according to the quantity of waiting to change driving medium both sides gear and demolish the direction, and then reduce demolishment work and the installation work load when changing the driving medium, and then conveniently change the driving medium, and then improve the convenience of gear train.

2. When the transmission piece is dismounted, the rotating shaft is reversely rotated, so that the second sliding piece moves to one side of the fixed piece, the second sliding piece generates oblique downward suction force on the first sliding piece, the first sliding piece slides to one side of the rotating shaft, the limiting structure is separated from the limiting groove, the transmission piece is conveniently dismounted from the connecting piece, the transmission piece is conveniently dismounted and mounted, and the convenience of the gear set is further improved.

3. When a maintainer or a producer assembles the transmission piece and the connecting piece, the transmission piece and the connecting piece are enabled to rotate relatively, the limiting structure and the limiting groove are enabled to be approximately overlapped, then the rotating shaft is rotated, the limiting structure is enabled to move into the limiting groove, and the length and the width of one end of the limiting structure, which is far away from the first driving structure, are respectively smaller than the length and the width of one end of the limiting structure, which is close to the first driving structure, the length and the width of one end of the opening of the limiting groove are respectively larger than the length and the width of the bottom surface of the limiting groove, so that the limiting structure is convenient to move into the limiting groove, the connection of the transmission piece and the connecting piece is convenient, and the convenience of the gear set is improved; because the side surfaces of the limiting structure and the limiting groove are inclined surfaces, at most, only two side surfaces are simultaneously attached to the side surfaces of the limiting groove in the moving process of the limiting structure, so that the friction force between the limiting structure and the limiting groove is reduced, and the limiting structure can move into the limiting groove conveniently; because the side of limit structure and spacing recess is the inclined plane, and then only four sides of limit structure just laminate together with four sides of spacing recess simultaneously when accomplishing the connection, and then reduce the clearance that needs between limit structure and the spacing recess in the removal process, and then reduce the clearance between limit structure and the spacing recess, and then improve the cooperation precision between driving medium and the connecting piece.

4. When the fixing piece and the first connecting part are fixedly connected, the first connecting part is screwed into the threaded hole of the fixing piece, then the first annular bulge of the fixing piece is abutted against the first annular groove, the fixing piece is rotated, the first clamping groove and the second clamping groove are mutually close, the first clamping groove and the second clamping groove are positioned on the same straight line, then the clamping plate is clamped in the first clamping groove and the second clamping groove, the fixing piece is prevented from rotating by the clamping plate, the rotating shaft is continuously rotated, the rotating shaft is screwed, the end face of the second rotating part is abutted against the side face of the fixing piece, the second annular bulge is abutted against the second annular groove, and meanwhile the first annular bulge is abutted against the first annular groove, the axial positions of the first limiting part and the fixing piece are fixed, the rotating shaft is prevented from moving axially, the connecting strength of the limiting structure and the limiting groove is further improved, and the connecting strength of the transmission piece and the connecting piece is further improved; the annular bulge II is abutted against the side surface of the avoiding groove I in the annular groove II, the annular bulge I is abutted against the side surface of the avoiding groove I, the fixing piece is prevented from being abutted against the side surface of the avoiding groove I, the friction force received by the limiting part I during rotation is reduced, the friction force received by the fixing piece during rotation is reduced, the resistance received by the rotating shaft during rotation is reduced, the rotating shaft is further conveniently rotated, the transmission piece is further conveniently detached and installed, and the convenience of the gear set is further improved; the resistance received by the fixing piece during rotation is reduced, the probability of relative rotation between the fixing piece and the first connecting part can be reduced, the connection firmness of the fixing piece and the first connecting part is further improved, the working reliability of the rotating shaft is further improved, and the reliability of the gear set is further improved; the clamping plate is used for preventing the fixing piece from rotating, so that the first connecting part and the fixing piece are conveniently screwed up, the first connecting part and the fixing piece are conveniently fixedly connected, and the gear set is conveniently assembled.

5. According to the invention, through the first notch, lubricating oil in the gearbox can enter the first notch through a gap between the side surface of the fixing piece and the side wall of the first avoidance groove, so that the contact surface of the first annular bulge and the first annular groove is lubricated, the friction force born by the rotation of the first annular bulge is reduced, through the second notch, lubricating oil in the gearbox can enter the second notch through a gap between the side surface of the first limiting part and the side wall of the first avoidance groove, so that the contact surface of the second annular bulge and the second annular groove is lubricated, the friction force born by the rotation of the second annular bulge is reduced, the resistance born by the rotation of the rotation shaft is reduced, the rotation of the rotation shaft is facilitated, and the transmission piece is convenient to detach and install; meanwhile, the probability that the fixing piece and the first connecting part rotate relatively is reduced, the firmness of connection of the fixing piece and the first connecting part is further improved, the working reliability of the rotating shaft is further improved, and the reliability of the gear set is further improved.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the overall construction of a gear set of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic illustration of the connection of the coupling member and the driving member of the present invention;

FIG. 4 is a partial enlarged view at B in FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 3 at C;

FIG. 6 is a partial enlarged view at D in FIG. 3;

FIG. 7 is a schematic view of the structure of the transmission member of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 at E;

FIG. 9 is a schematic view of the structure of the rotor of the present invention;

FIG. 10 is a schematic view of the structure of the connecting column of the present invention;

FIG. 11 is a schematic view of the structure of the connector of the present invention;

FIG. 12 is a schematic view of a third slider of the present invention;

FIG. 13 is a schematic view of the structure of the fastener of the present invention;

FIG. 14 is a schematic view of a first slider according to the present invention;

FIG. 15 is a schematic view showing the structure of a second slide according to the present invention;

in the figure: the rotary shaft 1, the gear 2, the connecting member 21, the first sliding groove 211, the first mounting groove 212, the first rotating groove 213, the first escape groove 214, the first annular groove 215, the second annular groove 216, the first positioning groove 217, the second clamping groove 218, the transmission member 22, the limiting groove 221, the second positioning groove 222, the rotary shaft 23, the first limiting portion 231, the first connecting portion 232, the first rotating portion 233, the second connecting portion 234, the second rotating portion 235, the first groove 236, the second annular protrusion 237, the second notch 238, the second sliding groove 239, the fixing member 24, the first annular protrusion 241, the first clamping groove 242, the first notch 243, the first sliding member 25, the limiting structure 251, the first driving structure 252, the second sliding member 26, the sliding structure 261, the second driving structure 262, the connecting post 27, the third sliding groove 271, the third sliding member 28, the inclined surface structure 281, the flexible pad 282, the second mounting groove 283, and the first elastic member 29.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 14 and 15, a gearbox gear set comprises a plurality of shafts 1 and a plurality of gears 2; the rotating shaft 1 is fixedly connected with the gear 2; the different gears 2 are meshed according to the transmission requirement; the gear 2 is of a split type structure; the gear 2 comprises a connecting piece 21, a transmission piece 22, a rotating shaft 23, a fixing piece 24, a first sliding piece 25 and a second sliding piece 26; the rotating shaft 1 is fixedly connected with the connecting piece 21; the transmission piece 22 is sleeved outside the connecting piece 21; the inner wall of the transmission piece 22 is attached to the outer wall of the connecting piece 21; a limiting groove 221 is arranged on the inner wall of the transmission piece 22; the limit grooves 221 are uniformly spaced along the circumferential direction of the transmission member 22; a gear structure is arranged on the outer wall of the transmission piece 22; a first sliding groove 211 is formed in the side wall of the connecting piece 21; the first sliding groove 211 is provided along the diameter direction of the connecting member 21; the first sliding grooves 211 are uniformly spaced along the circumferential direction of the connecting member 21; a first mounting groove 212 is formed on one side of the first sliding groove 211 away from the side wall of the connecting piece 21; the first mounting groove 212 communicates with the first sliding groove 211; a first rotating groove 213 is symmetrically arranged on both sides of the first mounting groove 212; one end of the first rotating groove 213 communicates with the first mounting groove 212; the other end of the first rotating groove 213 is provided with a first avoiding groove 214; one end of the first avoiding groove 214 is communicated with the first rotating groove 213; the other end of the first avoiding groove 214 is open; the connecting piece 21 is rotatably connected with the rotating shaft 23; the rotating shafts 23 are in one-to-one correspondence with the first sliding grooves 211; one end of the rotating shaft 23 is provided with a first limit part 231; the other end of the rotating shaft 23 is provided with a first connecting part 232; a first rotating part 233, a second connecting part 234 and a second rotating part 235 are arranged between the first limiting part 231 and the first connecting part 232; the first rotating portion 233 is disposed near the first limiting portion 231; the second rotating portion 235 is disposed near the first connecting portion 232; the second connecting part 234 is disposed between the first rotating part 233 and the second rotating part 235; the first connecting part 232 is fixedly connected with the fixing piece 24; the first limiting part 231 is abutted against the first avoiding groove 214 at one side of the first mounting groove 212; the fixing member 24 is abutted against the first avoiding groove 214 on the other side of the first mounting groove 212; the first rotating groove 213 at one side of the first mounting groove 212 is rotatably connected to the first rotating portion 233; the first rotating groove 213 at the other side of the first mounting groove 212 is rotatably connected with the second rotating part 235; the first sliding groove 211 is slidably connected with the first sliding member 25; a limiting structure 251 is arranged at one end of the first sliding member 25 away from the rotating shaft 23; the limiting structure 251 is abutted in the limiting groove 221; a first driving structure 252 is arranged at one end of the first sliding part 25, which is close to the rotating shaft 23; the second slider 26 is disposed on the second connecting portion 234; the second slider 26 is screwed with the second connecting portion 234; a sliding structure 261 is arranged at one end of the second sliding piece 26; the sliding structure 261 abuts against the bottom surface of the first mounting groove 212; the other end of the second sliding member 26 is provided with a second driving structure 262; the drive structure 262 and the drive structure 252 are abutted together; a first groove 236 is formed on the end surface of the first limit part 231; the first groove 236 penetrates the rotation shaft 23.

During operation, the power source drives one of the rotating shafts 1 to rotate so as to drive the connecting piece 21 to rotate, and then drives the driving piece 22 to rotate through the second sliding piece 26, and then drives other driving pieces 22 to rotate so as to realize power transmission, when the gear structure on the driving piece 22 is damaged, a spanner is inserted into the first groove 236, the rotating shaft 23 is driven to rotate through the rotating spanner, and then acting force is generated on the second sliding piece 26, and then the second sliding piece 26 is driven to move along the axis direction of the first mounting groove 212, and then the second sliding piece 26 is driven to move along the axis direction of the rotating shaft 23, and then the first sliding piece 25 is driven to move towards the fixing piece 24 side, and then the first sliding piece 25 is driven to move towards the rotating shaft 23 side, and then the limiting structure 251 is separated from the limiting groove 221, and then after all the limiting structures 251 are separated from the corresponding limiting grooves 221, the driving piece 22 is taken away from the connecting piece 21, and then the new driving piece 22 is sleeved on the connecting piece 21, the rotating driving piece 22 is enabled to rotate on the first sliding piece 22 and then the second sliding piece 26 is driven to move towards the corresponding groove 23 side face, and then the first sliding piece 23 is driven to move towards the limiting groove 23 side face of the corresponding limiting groove 251, and then the first sliding piece 23 is enabled to move towards the corresponding side face of the limiting groove 23, and then the second sliding piece 23 is enabled to move towards the limiting structure 251 is enabled to move towards the corresponding side of the limiting groove 23, and then the limit structure 251 is enabled to move towards the limit groove 23 side to be separated from the limiting groove 23, the transmission piece 22 and the connecting piece 21 are fixed through the limiting structures 251 and the limiting grooves 221, so that the transmission piece 22 and the connecting piece 21 are fixed, and the transmission piece 22 is replaced; the transmission piece 22 can be detached and installed by rotating the rotating shaft 23, so that the transmission piece 22 is convenient to replace, and the convenience of the gear set is improved; many times, a plurality of gears 2 can be fixed on a rotating shaft 1, when the transmission piece 22 of the gears 2 at the middle position is replaced, all the transmission pieces 22 of all the gears 2 on one side are required to be removed (the diameters of all the connecting pieces 21 on the rotating shaft 1 are the same), the transmission pieces 22 of the gears 2 can be removed and installed, through the through groove 236, a spanner can be inserted into any side of the groove 236 to drive the rotating shaft 23 to rotate, the sliding piece 25 can be driven to slide, the connecting pieces 21 can be removed and installed, the transmission pieces 22 can be conveniently removed and installed from any side of the connecting pieces 21, the removing direction is selected according to the quantity of the gears 2 on two sides of the transmission piece 22 to be replaced, the removing workload and the installing workload when the transmission piece 22 is replaced are reduced, the transmission piece 22 is conveniently replaced, and the convenience of a gear set is improved.

As shown in fig. 3, 4 and 5, the second slider 26 is made of a permanent magnetic material.

When the transmission piece 22 is dismounted, the rotating shaft 23 is reversely rotated, the second sliding piece 26 is further moved to the side of the fixing piece 24, and further, oblique downward suction force is generated to the first sliding piece 25 through the second sliding piece 26, and further, the first sliding piece 25 slides to the side of the rotating shaft 23, and further, the limiting structure 251 is separated from the limiting groove 221, and further, the transmission piece 22 is conveniently dismounted from the connecting piece 21, and further, the transmission piece 22 is conveniently dismounted and mounted, and further, the convenience of the gear set is improved.

As shown in fig. 3, 4, 7 and 14, four sides of the limiting structure 251 are inclined surfaces; four side surfaces of the limiting groove 221 are inclined surfaces; the length and width of the end of the limit structure 251 far from the first driving structure 252 are respectively smaller than the length and width of the end of the limit structure 251 near the first driving structure 252; the length and width of the open end of the limit groove 221 are respectively greater than the length and width of the bottom surface of the limit groove 221.

When a maintainer or a producer assembles the transmission piece 22 and the connecting piece 21, the transmission piece 22 and the connecting piece 21 are relatively rotated, the limiting structure 251 and the limiting groove 221 are approximately overlapped, then the rotating shaft 23 is rotated, the limiting structure 251 moves towards the limiting groove 221, and the length and the width of one end of the limiting structure 251 far away from the first driving structure 252 are respectively smaller than the length and the width of one end of the limiting structure 251 close to the first driving structure 252, which are respectively larger than the length and the width of the bottom surface of the limiting groove 221, so that the limiting structure 251 moves towards the limiting groove 221, the connection of the transmission piece 22 and the connecting piece 21 is facilitated, and the convenience of a gear set is improved; because the side surfaces of the limit structure 251 and the limit groove 221 are inclined surfaces, at most, only two side surfaces are simultaneously attached to the side surfaces of the limit groove 221 in the moving process of the limit structure 251, so that the friction force between the limit structure 251 and the limit groove 221 is reduced, and the limit structure 251 can move into the limit groove 221 conveniently; because the sides of the limiting structure 251 and the limiting groove 221 are inclined planes, only when connection is completed, the four sides of the limiting structure 251 are simultaneously attached to the four sides of the limiting groove 221, gaps required between the limiting structure 251 and the limiting groove 221 in the moving process are reduced, gaps between the limiting structure 251 and the limiting groove 221 are reduced, matching precision between the limiting structure 251 and the limiting groove 221 is improved, and matching precision between the transmission piece 22 and the connecting piece 21 is improved.

As shown in fig. 3, 4, 5, 6, 7, 8, 9, 11 and 13, the fixing member 24 is screwed with the first connecting portion 232; a first annular protrusion 241 is arranged on the side surface of the fixing piece 24; a first annular groove 215 is formed on the side surface of the first avoidance groove 214 provided with the fixing piece 24; the annular projection 241 is abutted in the annular groove 215; a second annular protrusion 237 is arranged on the side surface of the first limit part 231; a second annular groove 216 is formed on the side surface of the first avoidance groove 214 provided with the first limiting part 231; the second annular protrusion 237 abuts against the second annular groove 216; the first fixing member 24 is provided with a first clamping groove 242; a second clamping groove 218 is formed in the side face of the connecting piece 21; the second card slot 218 corresponds to the first card slot 242 one by one.

When the rotating shaft 23 moves axially, the second sliding part 26 is driven to move axially, the first sliding part 25 is further moved, the limiting structure 251 is further moved, the connection strength of the limiting structure 251 and the limiting groove 221 is further reduced, and the connection strength of the transmission part 22 and the connecting part 21 is further reduced, therefore, the axial direction of the rotating shaft 23 is required to be fixed, when the fixing part 24 and the first connecting part 232 are fixedly connected, the first connecting part 232 is firstly screwed into a threaded hole of the fixing part 24, then the first annular bulge 241 of the fixing part 24 is abutted against the first annular groove 215, the fixing part 24 is rotated, the first clamping groove 242 and the second clamping groove 218 are mutually close, the first clamping groove 242 and the second clamping groove 218 are positioned on the same straight line, then the clamping plate is clamped in the first clamping groove 242 and the second clamping groove 218, the rotating shaft 23 is further prevented from rotating through the clamping plate 24, the rotating shaft 23 is further screwed, the end face of the second rotating part 235 is abutted against the side face of the fixing part 24, at this moment, the second annular bulge 237 is abutted against the second annular groove 216, the axial direction of the second annular bulge 23 is further prevented from being connected with the first annular bulge 23, and the axial direction of the first annular bulge 23 is further prevented from being fixedly connected with the first annular bulge 23, and the second annular bulge 23 is further axially pressed against the first annular bulge 23, and the second bulge 23 is further axially pressed against the first bulge, and the second bulge is fixedly connected with the first axial direction of the axial direction is, and is further prevented; the annular protrusion 237 is abutted against the side surface of the first avoiding groove 214 in the second annular groove 216, the annular protrusion 241 is abutted against the side surface of the first avoiding groove 214 in the first annular groove 215, the fixing piece 24 is abutted against the side surface of the first avoiding groove 214, the friction force received by the first limiting part 231 during rotation is reduced, the friction force received by the fixing piece 24 during rotation is reduced, the resistance received by the rotation shaft 23 during rotation is reduced, the rotation shaft 23 is further facilitated, the transmission piece 22 is further conveniently detached and installed, and the convenience of the gear set is further improved; the resistance received by the fixing piece 24 during rotation is reduced, the probability of relative rotation between the fixing piece 24 and the first connecting part 232 can be reduced, the connection firmness of the fixing piece 24 and the first connecting part 232 is further improved, the working reliability of the rotating shaft 23 is further improved, and the reliability of the gear set is further improved; the clamping plate is used for preventing the fixing piece 24 from rotating, so that the first connecting portion 232 and the fixing piece 24 are conveniently screwed, the first connecting portion 232 and the fixing piece 24 are conveniently fixedly connected, and the gear set is conveniently assembled.

As shown in fig. 9 and 13, the first annular protrusion 241 is provided with a first notch 243; the first cutouts 243 are uniformly spaced along the circumferential direction of the fixing member 24; a second notch 238 is arranged on the second annular protrusion 237; the second notches 238 are uniformly spaced along the circumferential direction of the first limiting part 231.

Through setting up notch 243, lubricating oil in the gearbox can enter into notch 243 through the clearance between mounting 24 side and the side wall of dodging groove 214, and then lubricate the contact surface of annular protrusion 241 and annular recess 215, and then reduce the frictional force that annular protrusion 241 received when rotating, through setting up notch 238 No. two, lubricating oil in the gearbox can enter into notch 238 through the clearance between the side of spacing portion 231 and the side wall of dodging groove 214, and then lubricate the contact surface of annular protrusion 237 and annular recess 216 No. two, and then reduce the frictional force that annular protrusion 237 received when rotating, and then reduce the resistance that axis of rotation 23 received, and then conveniently rotate axis of rotation 23, and then conveniently dismantle and install driving medium 22; meanwhile, the probability of relative rotation between the fixing piece 24 and the first connecting part 232 is reduced, the connection firmness of the fixing piece 24 and the first connecting part 232 is further improved, the working reliability of the rotating shaft 23 is further improved, and the reliability of the gear set is further improved.

As shown in fig. 1, 2, 7 and 8, the two sides of the connecting piece 21 are symmetrically provided with a first positioning slot 217; two sides of the driving member 22 are symmetrically provided with two positioning slots 222.

When a maintainer or a producer assembles the transmission member 22 and the connecting member 21, the transmission member 22 and the connecting member 21 are relatively rotated, so that the first positioning groove 217 and the second positioning groove 222 are close to each other, when naked eyes observe that the first positioning groove 217 and the second positioning groove 222 are combined into a groove, the transmission member 22 and the connecting member 21 stop relatively rotating, at the moment, the diameter of the limiting structure 251 and the diameter of the limiting groove 221 have small included angles (at the moment, the limiting structure 251 can easily move to the limiting groove 221), and then the limiting structure 251 of the first sliding member 25 and the limiting groove 221 of the transmission member 22 are pre-positioned, and then the limiting structure 251 is convenient to move into the limiting groove 221, and then the transmission member 22 and the connecting member 21 are conveniently connected through the limiting structure 251 and the limiting groove 221, so that the convenience of the transmission member 22 and the connecting member 21 is further improved.

As shown in fig. 3, 4, 5, 6, 9, 10 and 12, the second connecting portion 234 is provided with a second sliding groove 239; the second sliding groove 239 is trapezoidal; the first groove 236 is slidably connected with a connecting column 27; the side of the connecting post 27 abuts against the side of the first recess 236; a third sliding groove 271 is provided on the connecting post 27; the third sliding groove 271 has a rectangular shape; a third sliding member 28 is slidably connected to the third sliding groove 271; the side surface of one end of the third sliding member 28 abuts against the side surface of the third sliding groove 271; the other end of the third sliding member 28 is symmetrically provided with an inclined surface structure 281; the inclined surface structures 281 are abutted against two inclined surfaces of the second sliding groove 239; the end of the third sliding part 28 is provided with a flexible pad 282; the flexible pad 282 is fixedly connected with the third sliding member 28; the flexible pad 282 abuts against the threaded structure of the second slider 26; a second mounting groove 283 is formed at one end of the third slider 28; a first elastic member 29 is disposed in the second mounting groove 283; one end of the first elastic member 29 abuts against the bottom surface of the second mounting groove 283; the other end of the first elastic member 29 abuts against the bottom surface of the third sliding groove 271.

The transmission piece 22 can receive the resistance transmitted by other transmission pieces 22 in the transmission process, and then the resistance of the transmission piece 22 to follow the rotation of the connecting piece 21 is increased, and then the acting force of the limiting groove 221 on the limiting structure 251 is increased, and then the acting force of the limiting structure 251 to the side of the rotating shaft 23 is increased, the elastic force is generated on the third sliding piece 28 through the first elastic piece 29, and then the inclined surface structure 281 of the third sliding piece 28 is abutted against the inclined surface of the third sliding groove 271, and then the flexible pad 282 is tightly abutted against the threaded structure of the second sliding piece 26, and then the resistance of the threaded structure received when the second sliding piece 26 slides is increased, and then the resistance of the first sliding piece 25 to the side of the rotating shaft 23 is increased, and then the stability of the first sliding piece 25 is increased, and then the connection strength of the limiting structure 251 and the limiting groove 221 is increased, and then the connection strength of the transmission piece 22 and the connecting piece 21 is improved, and the reliability of the gear set is further improved; meanwhile, the flexible pad 282 increases the resistance of the second rotating part 235 during rotation, further increases the resistance of the rotating shaft 23 during rotation, further increases the stability of the rotating shaft 23, further increases the stability of the second sliding part 26 and the first sliding part 25, further increases the connection firmness of the transmission part 22 and the connecting part 21, and further increases the reliability of the gear set; inserting a wrench into the first groove 236 by force, so that the wrench generates acting force on the connecting column 27, so as to push the connecting column 27 to move, so as to generate acting force on the third sliding piece 28, so that the inclined surface structure 281 generates acting force on the inclined surface of the second sliding groove 239, so that the inclined surface structure 281 slides to the side of the third sliding groove 271 along the inclined surface of the second sliding groove 239, so that the flexible pad 282 is separated from the threaded structure of the second sliding piece 26, so that the restriction of the flexible pad 282 on the second sliding piece 26 is relieved, then the wrench is rotated, so that the rotating shaft 23 is driven to rotate, so as to drive the second sliding piece 26 and the first sliding piece 25 to move, so as to detach and install the transmission piece 22, after the transmission piece 22 is installed, the wrench is pulled out, the elastic force of the first elastic piece 29 on the third sliding piece 28 enables the inclined surface structure 281 to slide along the side of the second sliding groove 239, and simultaneously enables the connecting column 27 to horizontally move, so that the flexible pad 282 is re-abutted against the threaded structure of the second sliding piece 26; inserting the wrench into any side of the first groove 236 can drive the connecting post 27 to move, and the limiting effect of the flexible pad 282 on the second sliding piece 26 can be relieved, so that the transmission piece 22 can be conveniently removed and installed from any side of the connecting piece 21, and the convenience of removing and installing the transmission piece 22 is improved.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.

Claims

1. A gearbox gear set comprises a plurality of rotating shafts (1) and a plurality of gears (2); the rotating shaft (1) is fixedly connected with the gear (2); different gears (2) are meshed according to transmission requirements; the method is characterized in that: the gear (2) is of a split type structure; the gear (2) comprises a connecting piece (21), a transmission piece (22), a rotating shaft (23), a fixing piece (24), a first sliding piece (25) and a second sliding piece (26); the rotating shaft (1) is fixedly connected with the connecting piece (21); the connecting piece (21) is sleeved with the transmission piece (22); the inner wall of the transmission piece (22) is attached to the outer wall of the connecting piece (21); a limiting groove (221) is formed in the inner wall of the transmission piece (22); the limiting grooves (221) are uniformly arranged at intervals along the circumferential direction of the transmission piece (22); a gear structure is arranged on the outer wall of the transmission piece (22); a first sliding groove (211) is formed in the side wall of the connecting piece (21); the first sliding groove (211) is arranged along the diameter direction of the connecting piece (21); the first sliding grooves (211) are uniformly arranged at intervals along the circumferential direction of the connecting piece (21); a first mounting groove (212) is formed in one side, away from the side wall of the connecting piece (21), of the first sliding groove (211); the first mounting groove (212) is communicated with the first sliding groove (211); a first rotating groove (213) is symmetrically arranged on two sides of the first mounting groove (212); one end of the first rotating groove (213) is communicated with the first mounting groove (212); the other end of the first rotating groove (213) is provided with a first avoiding groove (214); one end of the first avoidance groove (214) is communicated with the first rotation groove (213); the other end of the first avoidance groove (214) is open; the connecting piece (21) is rotationally connected with the rotating shaft (23); the rotating shafts (23) are in one-to-one correspondence with the first sliding grooves (211); one end of the rotating shaft (23) is provided with a first limit part (231); the other end of the rotating shaft (23) is provided with a first connecting part (232); a first rotating part (233), a second connecting part (234) and a second rotating part (235) are arranged between the first limiting part (231) and the first connecting part (232); the first rotating part (233) is arranged close to the first limiting part (231); the second rotating part (235) is arranged close to the first connecting part (232); the second connecting part (234) is arranged between the first rotating part (233) and the second rotating part (235); the first connecting part (232) is fixedly connected with the fixing piece (24); the first limiting part (231) is abutted in the first avoiding groove (214) at one side of the first mounting groove (212); the fixing piece (24) is abutted in the first avoiding groove (214) at the other side of the first mounting groove (212); the first rotating groove (213) at one side of the first mounting groove (212) is rotationally connected with the first rotating part (233); the first rotating groove (213) at the other side of the first mounting groove (212) is rotationally connected with the second rotating part (235); the first sliding groove (211) is in sliding connection with the first sliding piece (25); one end of the first sliding part (25) far away from the rotating shaft (23) is provided with a limiting structure (251); the limiting structure (251) is abutted in the limiting groove (221); a first driving structure (252) is arranged at one end, close to the rotating shaft (23), of the first sliding part (25); the second connecting part (234) is provided with the second sliding piece (26); the second sliding piece (26) is in threaded connection with the second connecting part (234); one end of the second sliding piece (26) is provided with a sliding structure (261); the sliding structure (261) is abutted against the bottom surface of the first mounting groove (212); the other end of the second sliding piece (26) is provided with a second driving structure (262); the second driving structure (262) and the first driving structure (252) are abutted together; a first groove (236) is formed in the end face of the first limiting part (231); the first groove (236) penetrates through the rotating shaft (23).

2. A gearbox gearset according to claim 1, characterised in that: the second sliding piece (26) is made of permanent magnetic materials.

3. A gearbox gearset according to claim 2, characterised in that: four side surfaces of the limiting structure (251) are inclined surfaces; four side surfaces of the limiting groove (221) are inclined surfaces; the length and the width of one end of the limiting structure (251) far away from the first driving structure (252) are respectively smaller than the length and the width of one end of the limiting structure (251) close to the first driving structure (252); the length and the width of one end of the opening of the limiting groove (221) are respectively larger than the length and the width of the bottom surface of the limiting groove (221).

4. A gearbox gearset according to claim 3, characterised in that: the fixing piece (24) is in threaded connection with the first connecting part (232); a first annular bulge (241) is arranged on the side surface of the fixing piece (24); a first annular groove (215) is formed in the side surface of the first avoidance groove (214) provided with the fixing piece (24); the annular protrusion (241) is abutted in the annular groove (215); a second annular protrusion (237) is arranged on the side surface of the first limit part (231); a second annular groove (216) is formed in the side surface of the first avoidance groove (214) provided with the first limiting part (231); the second annular protrusion (237) is abutted in the second annular groove (216); a first clamping groove (242) is formed in the first fixing piece (24); a second clamping groove (218) is formed in the side face of the connecting piece (21); the second clamping grooves (218) are in one-to-one correspondence with the first clamping grooves (242).

5. A gearbox gearset according to claim 4, characterised in that: a first notch (243) is arranged on the first annular bulge (241); the first notches (243) are uniformly arranged at intervals along the circumferential direction of the fixing piece (24); a second notch (238) is arranged on the second annular protrusion (237); the second notches (238) are uniformly arranged at intervals along the circumferential direction of the first limiting part (231).

6. A gearbox gearset according to claim 5, characterised in that: a first positioning groove (217) is symmetrically arranged on two sides of the connecting piece (21); two sides of the transmission piece (22) are symmetrically provided with a second positioning groove (222).

7. A gearbox gearset according to claim 6, characterised in that: a second sliding groove (239) is arranged on the second connecting part (234); the second sliding groove (239) is trapezoid; a connecting column (27) is connected in a sliding way in the first groove (236); the side surface of the connecting column (27) is abutted against the side surface of the first groove (236); a third sliding groove (271) is formed in the connecting column (27); the third sliding groove (271) is rectangular in shape; a third sliding piece (28) is connected in a sliding way in the third sliding groove (271); the side surface of one end of the third sliding piece (28) is abutted against the side surface of the third sliding groove (271); the other end of the third sliding piece (28) is symmetrically provided with an inclined surface structure (281); the inclined surface structures (281) are abutted against two inclined surfaces of the second sliding groove (239); the end part of the third sliding piece (28) is provided with a flexible pad (282); the flexible pad (282) is fixedly connected with the third sliding piece (28); the flexible pad (282) is abutted against the thread structure of the second slider (26); a second mounting groove (283) is formed in one end of the third sliding piece (28); a first elastic piece (29) is arranged in the second mounting groove (283); one end of the first elastic piece (29) is abutted against the bottom surface of the second mounting groove (283); the other end of the first elastic piece (29) is abutted against the bottom surface of the third sliding groove (271).