CN211737966U - Industrial multi-stage speed reducer - Google Patents

Abstract

The utility model discloses an industrial multi-stage speed reducer, which comprises an equipment body, wherein the bottom of the equipment body is provided with a U-shaped plate, the top of the equipment body is jointed with the U-shaped plate, the bottom of the equipment body is provided with a fixing mechanism near the left and right sides, a bottom plate is arranged under the U-shaped plate, a transverse plate is arranged between the U-shaped plate and the bottom plate, the transverse plate is positioned in the U-shaped plate, a screwed pipe is arranged between the U-shaped plate and the transverse plate, the top of the transverse plate is fixedly connected with a first bearing matched with the screwed pipe, the screwed pipe is inserted in the inner cavity of the first bearing, and the inner cavity of the screwed pipe is provided with a threaded rod. Need not the dismantlement and the installation to the equipment body, reduced workman's the amount of labour.

Description

Industrial multi-stage speed reducer

Technical Field

The utility model relates to an industrial multistage speed reducer technical field specifically is an industrial multistage speed reducer.

Background

The reduction gear serves to match the rotational speed and the torque transmission between the prime mover and the working machine or the actuator, and is used in modern machines in a very wide range of applications. The speed reducer can be divided into two categories of a general speed reducer and a special speed reducer according to purposes, and the design, the manufacture and the use characteristics of the general speed reducer and the special speed reducer are different. In mounting the reduction gear, it is necessary to connect an output shaft of the reduction gear to an output shaft of the motor according to the position of the motor.

In industrial production equipment, the use of multistage speed reducer and extensive, but current multistage speed reducer can't carry out corresponding position control to it when the installation, then need dismantle the speed reducer and install again when the height and the angle to the speed reducer of needs are adjusted, then increased the amount of labour, and the operation is not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's the amount of labour big and be difficult to defects such as operation, provide an industrial multi-stage reducer. The industrial multi-stage speed reducer has the characteristics of small labor capacity, convenience in operation and the like.

In order to achieve the above object, the utility model provides a following technical scheme: an industrial multi-stage speed reducer comprises an equipment body, wherein a U-shaped plate is arranged at the bottom of the equipment body, the top of the equipment body is attached to the U-shaped plate, fixing mechanisms are arranged at positions, close to the left side and the right side, of the bottom of the equipment body, a bottom plate is arranged under the U-shaped plate, a transverse plate is arranged between the U-shaped plate and the bottom plate and is positioned in the U-shaped plate, a threaded pipe is arranged between the U-shaped plate and the transverse plate, a first bearing matched with the threaded pipe is fixedly connected to the top of the transverse plate, the threaded pipe is inserted into an inner cavity of the first bearing, a threaded rod is arranged in the inner cavity of the threaded pipe and is movably connected with the threaded pipe through threads, a second vertical plate and a first vertical plate are arranged on the right side of the threaded pipe, the first vertical plate is positioned on the right side of the second vertical plate, and, a first round pipe and a second round pipe are arranged between the first vertical plate and the second vertical plate, a second bearing matched with the first round pipe is fixedly connected to the second vertical plate, the left end of the first round pipe is inserted into an inner cavity of the second bearing and fixedly connected with the inner cavity of the second bearing, a third bearing matched with the second round pipe is fixedly connected to the first vertical plate, the second round pipe is inserted into an inner cavity of the third bearing and fixedly connected with the third bearing, a second rotating rod is arranged in the inner cavity of the first round pipe, a first limiting block is fixedly connected to the left end of the second rotating rod, the right end of the second rotating rod extends out of the first round pipe and passes through the inner cavity of the second round pipe, a groove matched with the second rotating rod is formed in the right side wall of the U-shaped plate, a rocking wheel is fixedly connected to the right end of the second rotating rod, a plurality of first left tooth blocks are fixedly connected to the position, close to the right side, of the inner cavity of the first round pipe, the outer edge of the second rotating rod is fixedly connected with a plurality of second left tooth blocks matched with the first left tooth blocks near the left end, the outer edge of the second rotating rod is fixedly connected with two limiting rods near the second circular tube, the outer edge of the second rotating rod is fixedly connected with a plurality of second right tooth blocks near the right side wall of the U-shaped plate, a first rotating rod is arranged between the transverse plate and the bottom plate, a fourth bearing matched with the first rotating rod is fixedly connected onto the bottom plate, the bottom end of the first rotating rod is inserted into the inner cavity of the fourth bearing, the top end of the first rotating rod is fixedly connected with the top of the transverse plate, a support plate is arranged on the right side of the first rotating rod, the top of the support plate is fixedly connected with the bottom of the transverse plate, a rotating shaft is arranged between the first rotating rod and the support plate, and a fifth bearing matched with the rotating shaft is fixedly connected onto the support plate, the right end of the rotating shaft penetrates through the fifth bearing and extends to the right side of the supporting plate, a second connecting mechanism is arranged between the second rotating rod and the rotating shaft, first connecting mechanisms are arranged at the top and the bottom of the transverse plate, an arc-shaped groove is arranged under the rotating shaft, a plurality of second tooth blocks are fixedly connected to the inner cavity of the arc-shaped groove, a plurality of first tooth blocks meshed with the second tooth blocks are fixedly connected to the position, close to the arc-shaped groove, of the outer edge of the rotating shaft, and a reset mechanism is arranged between the arc-shaped groove and the bottom plate.

Preferably, the fixing mechanism comprises a fixing plate, the fixing plate is fixedly connected with the bottom of the equipment body, screws are arranged above the fixing plate, the equipment body is fixedly connected with the U-shaped plate through the screws, and the equipment body can be fixed through the fixing mechanism.

Preferably, the first connecting mechanism comprises a first bevel gear, the first bevel gear arranged at the top of the transverse plate is sleeved on the outer side edge of the threaded pipe and is fixedly connected with the threaded pipe, the first bevel gear arranged at the bottom of the transverse plate is sleeved on the outer side edge of the first rotating rod and is fixedly connected with the first rotating rod, a second bevel gear meshed with the first bevel gear is arranged on one side of the first bevel gear, the second bevel gear arranged at the top of the transverse plate is fixedly connected to the left end of the first circular pipe and is fixedly connected to the left end of the rotating shaft, and the threaded pipe and the first rotating rod can be driven to rotate when the first circular pipe and the rotating shaft rotate through the arrangement of the first connecting mechanism.

Preferably, the second connecting mechanism comprises a first single sheave, the first single sheave is sleeved on the rotating shaft, a second single sheave is arranged right above the first single sheave, the second single sheave is sleeved on the second rotating rod, the left side of the second single sheave is fixedly connected with the right side of the second circular tube, the inner cavity of the second single sheave is fixedly connected with a plurality of first right tooth blocks matched with the second right tooth blocks, a belt is arranged between the first single sheave and the second single sheave, the first single sheave and the second single sheave are connected through belt transmission, and the rotating shaft can be driven to rotate when the second rotating rod rotates through the arrangement of the second connecting mechanism.

Preferably, canceling release mechanical system includes square pipe, the bottom of square pipe and the top fixed connection of bottom plate, the inner chamber of square pipe is equipped with the second stopper, the bottom fixedly connected with spring of second stopper, the one end that the second stopper was kept away from to the spring and the inner chamber bottom fixed connection of square pipe, the top fixedly connected with square bar of second stopper, the one end that the second stopper was kept away from to the square bar runs through the top of square pipe to with the bottom fixed connection of arc wall, through canceling release mechanical system's setting, can drive first tooth piece and second tooth piece and mesh when the spring resets.

Preferably, the left side and the right side of screwed pipe all are equipped with thick pipe, just the top and the U template fixed connection of thick pipe, the inner chamber of thick pipe is equipped with the pin rod, the bottom of pin rod and the top fixed connection of diaphragm can carry on spacingly through thick pipe and pin rod setting to the diaphragm.

Preferably, the distance between the first right tooth block and the second right tooth block is far greater than the width of the first left tooth block, and the first left tooth block is far away from the second left tooth block when the first right tooth block is meshed with the second right tooth block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the industrial multi-stage speed reducer is used, the first left tooth block and the second left tooth block are meshed, so that the first connecting mechanism positioned above the industrial multi-stage speed reducer can be driven to move when the rocking wheel rotates, the height of the equipment body is adjusted, the equipment body does not need to be disassembled or assembled, and the labor capacity of workers is reduced;

the utility model relates to an industrial multi-stage reduction gear is when using, through the meshing of first right tooth piece and second right tooth piece mutually for drive second coupling mechanism work when rotatory rocking wheel, drive the first coupling mechanism motion that is located the below then, can adjust the angle of equipment body, compare with prior art, the device has that the amount of labour is little and use characteristics such as convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the arc-shaped slot of the present invention;

figure 3 is a side view of a second single sheave of a component of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 1;

fig. 5 is an enlarged view of fig. 1 at B.

Reference numbers in the figures: 1. an apparatus body; 2. a U-shaped plate; 3. a transverse plate; 4. a first rotating lever; 5. a first bevel gear; 6. a second bevel gear; 7. a support plate; 8. a rotating shaft; 9. a base plate; 10. a first single sheave; 11. a belt; 12. a first vertical plate; 13. a second rotating rod; 14. shaking the wheel; 15. a fixing plate; 16. a screw; 17. a second vertical plate; 18. a first circular tube; 19. a threaded rod; 20. a threaded pipe; 21. a thick pipe; 22. a thin rod; 23. a first stopper; 24. a first left tooth block; 25. a second left tooth block; 26. a limiting rod; 27. a first right block; 28. a second right block; 29. a second single sheave; 30. a second circular tube; 31. a first tooth block; 32. a second tooth block; 33. an arc-shaped slot; 34. a square bar; 35. a second limiting block; 36. a square tube; 37. a spring; 38. a first connecting mechanism; 39. a second connecting mechanism; 40. a fixing mechanism; 41. a reset mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an industrial multi-stage speed reducer comprises an equipment body 1, wherein a U-shaped plate 2 is arranged at the bottom of the equipment body 1, the top of the equipment body 1 is attached to the U-shaped plate 2, fixing mechanisms 40 are arranged at the positions, close to the left side and the right side, of the bottom of the equipment body 1, each fixing mechanism 40 comprises a fixing plate 15, each fixing plate 15 is fixedly connected with the bottom of the equipment body 1, a screw 16 is arranged above each fixing plate 15, the equipment body 1 and the U-shaped plate 2 are fixedly connected through the screws 16, the equipment body 1 can be fixed through the arrangement of the fixing mechanisms 40, a bottom plate 9 is arranged under the U-shaped plate 2, a transverse plate 3 is arranged between the U-shaped plate 2 and the bottom plate 9, the transverse plate 3 is positioned in the U-shaped plate 2, a threaded pipe 20 is arranged between the U-shaped plate 2 and the transverse plate 3, thick pipes 21 are arranged on the left side and the right side of each threaded, the bottom end of the thin rod 22 is fixedly connected with the top of the transverse plate 3, the transverse plate 3 can be limited by arranging the thick pipe 21 and the thin rod 22, the top of the transverse plate 3 is fixedly connected with a first bearing matched with the threaded pipe 20, the threaded pipe 20 is inserted in a first bearing inner cavity, a threaded rod 19 is arranged in the threaded pipe 20, the threaded rod 19 is movably connected with the threaded pipe 20 through threads, a second vertical plate 17 and a first vertical plate 12 are arranged on the right side of the threaded pipe 20, the first vertical plate 12 is positioned on the right side of the second vertical plate 17, the first vertical plate 12 and the second vertical plate 17 are both fixedly connected with the top of the transverse plate 3, a first circular pipe 18 and a second circular pipe 30 are arranged between the first vertical plate 12 and the second vertical plate 17, a second bearing matched with the first circular pipe 18 is fixedly connected on the second vertical plate 17, the left end of the first circular pipe 18 is inserted in a second bearing inner cavity and is fixedly connected with, a third bearing matched with the second round pipe 30 is fixedly connected on the first vertical plate 12, the second round pipe 30 is inserted in the inner cavity of the third bearing and is fixedly connected with the third bearing, a second rotating rod 13 is arranged in the inner cavity of the first round pipe 18, a first limit block 23 is fixedly connected at the left end of the second rotating rod 13, the right end of the second rotating rod 13 extends out of the first round pipe 18 and passes through the inner cavity of the second round pipe 30, a slot matched with the second rotating rod 13 is arranged on the right side wall of the U-shaped plate 2, the right end of the second rotating rod 13 passes through the slot and is fixedly connected with a rocking wheel 14, a plurality of first left tooth blocks 24 are fixedly connected at the position of the inner cavity of the first round pipe 18, a plurality of second left tooth blocks 25 matched with the first left tooth blocks 24 are fixedly connected at the position of the outer edge of the second rotating rod 13 close to the left end, two limit rods 26 are fixedly connected at the position of the outer edge of the second rotating rod 13 close to the, a plurality of second right tooth blocks 28 are fixedly connected to the outer edge of the second rotating rod 13 close to the right side wall of the U-shaped plate 2, a first rotating rod 4 is arranged between the transverse plate 3 and the bottom plate 9, a fourth bearing matched with the first rotating rod 4 is fixedly connected to the bottom plate 9, the bottom end of the first rotating rod 4 is inserted into the inner cavity of the fourth bearing, the top end of the first rotating rod 4 is fixedly connected with the top of the transverse plate 3, a supporting plate 7 is arranged on the right side of the first rotating rod 4, the top of the supporting plate 7 is fixedly connected with the bottom of the transverse plate 3, a rotating shaft 8 is arranged between the first rotating rod 4 and the supporting plate 7, a fifth bearing matched with the rotating shaft 8 is fixedly connected to the supporting plate 7, the right end of the rotating shaft 8 penetrates through the fifth bearing and extends to the right side of the supporting plate 7, a second connecting mechanism 39 is arranged between the second rotating rod 13 and the rotating shaft 8, the second connecting mechanism 39 comprises a first single, a second single grooved wheel 29 is arranged right above the first single grooved wheel 10, the second single grooved wheel 29 is sleeved on the second rotating rod 13, the left side of the second single grooved wheel 29 is fixedly connected with the right side of the second circular tube 30, a plurality of first right tooth blocks 27 matched with the second right tooth blocks 28 are fixedly connected with the inner cavity of the second single grooved wheel 29, the distance between the first right tooth blocks 27 and the second right tooth blocks 28 is far larger than the width of the first left tooth blocks 24, the distance is limited, the first left tooth blocks 24 can be far away from the second left tooth blocks 25 when the first right tooth blocks 27 and the second right tooth blocks 28 are meshed, a belt 11 is arranged between the first single grooved wheel 10 and the second single grooved wheel 29, the first single grooved wheel 10 and the second single grooved wheel 29 are in transmission connection through the belt 11, through the arrangement of the second connecting mechanism 39, the rotating shaft 8 can be driven to rotate when the second rotating rod 13 is rotated, the top and the bottom of the transverse plate 3 are both provided with a first connecting mechanism 38, the first connecting mechanism 38 comprises a first bevel gear 5, the first bevel gear 5 positioned at the top of the transverse plate 3 is sleeved on the outer side edge of the threaded pipe 20 and is fixedly connected with the threaded pipe 20, the first bevel gear 5 positioned at the bottom of the transverse plate 3 is sleeved on the outer side edge of the first rotating rod 4 and is fixedly connected with the first rotating rod 4, one side of the first bevel gear 5 is provided with a second bevel gear 6 which is mutually meshed with the first bevel gear, the second bevel gear 6 positioned at the top of the transverse plate 3 is fixedly connected with the left end of the first round pipe 18, the second bevel gear 6 positioned at the bottom of the transverse plate 3 is fixedly connected with the left end of the rotating shaft 8, the first round pipe 18 and the rotating shaft 8 can be driven to rotate by the arrangement of the first connecting mechanism 38, an arc-shaped groove 33 is arranged right below the rotating shaft 8, a plurality of second tooth blocks 32 are fixedly connected with the inner cavity of the arc-shaped groove 33, a plurality of first tooth blocks 31 which are meshed with the second tooth blocks 32 are, be equipped with canceling release mechanical system 41 between arc wall 33 and the bottom plate 9, canceling release mechanical system 41 includes square pipe 36, square pipe 36's bottom and bottom plate 9's top fixed connection, square pipe 36's inner chamber is equipped with second stopper 35, the bottom fixedly connected with spring 37 of second stopper 35, spring 37 keeps away from the one end of second stopper 35 and square pipe 36's inner chamber bottom fixed connection, the top fixedly connected with square bar 34 of second stopper 35, square bar 34 keeps away from the one end of second stopper 35 and runs through square pipe 36's top, and with the bottom fixed connection of arc wall 33, setting through canceling release mechanical system 41, can drive first dog-tooth 31 and second dog-tooth 32 and mesh when spring 37 resets.

The working principle is as follows: when the utility model is used, the device body 1 is fixed on the top of the U-shaped plate 2 through the screw 16, when the device body 1 needs to be adjusted in height, the rocking wheel 14 is pulled to enable the first left tooth block 24 to be meshed with the second left tooth block 25, at the moment, the rocking wheel 14 is rotated, the rocking wheel 14 drives the first round pipe 18 to rotate under the action of the first left tooth block 24 and the second left tooth block 25, the first round pipe 18 drives the second bevel gear 6 positioned above to rotate, the second bevel gear 6 drives the first bevel gear 5 meshed with the second bevel gear to rotate, the first bevel gear 5 rotates to drive the threaded pipe 20 to rotate, the threaded rod 19 is driven to stretch under the action of the thread, meanwhile, the thin rod 22 slides in the inner cavity of the thick pipe 21, and then the height of the device body 1 can be adjusted, when the angle of the device body 1 needs to be adjusted, the rocking wheel 14 is pushed to enable the first right tooth block 27 to be meshed with the second right tooth block 28, and the arc-shaped groove 33 is moved downwards, so that the first gear block 31 and the second gear block 32 are far away from each other, at the moment, the rocking wheel 14 is rotated, the second single grooved wheel 29 is driven to rotate under the action of the first right gear block 27 and the second right gear block 28, the second single grooved wheel 29 drives the first single grooved wheel 10 to rotate through the belt 11, and further drives the second bevel gear 6 located below to rotate, the second bevel gear 6 rotates to drive the first bevel gear 5 meshed with the second bevel gear 6 to rotate, so that the angle of the equipment body 1 is adjusted, after the angle adjustment is completed, the arc-shaped groove 33 is loosened, the first gear block 31 and the second gear block 32 are driven to be meshed under the action of the spring 37, and then the device is more stable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an industrial multi-stage speed reducer, includes equipment body (1), its characterized in that: the bottom of the equipment body (1) is provided with a U-shaped plate (2), the top of the equipment body (1) is attached to the U-shaped plate (2), the bottom of the equipment body (1) is provided with fixing mechanisms (40) close to the left side and the right side, a bottom plate (9) is arranged under the U-shaped plate (2), a transverse plate (3) is arranged between the U-shaped plate (2) and the bottom plate (9), the transverse plate (3) is positioned in the U-shaped plate (2), a threaded pipe (20) is arranged between the U-shaped plate (2) and the transverse plate (3), the top of the transverse plate (3) is fixedly connected with a first bearing matched with the threaded pipe (20), the threaded pipe (20) is inserted in an inner cavity of the first bearing, an inner cavity of the threaded pipe (20) is provided with a threaded rod (19), the threaded rod (19) is movably connected with the threaded pipe (20) through threads, the right side of the threaded pipe (20) is provided with a second vertical plate (17, the first vertical plate (12) is positioned on the right side of the second vertical plate (17), the first vertical plate (12) and the second vertical plate (17) are fixedly connected with the top of the transverse plate (3), a first round pipe (18) and a second round pipe (30) are arranged between the first vertical plate (12) and the second vertical plate (17), a second bearing matched with the first round pipe (18) is fixedly connected onto the second vertical plate (17), the left end of the first round pipe (18) is inserted into a second bearing inner cavity and is fixedly connected with the second bearing inner cavity, a third bearing matched with the second round pipe (30) is fixedly connected onto the first vertical plate (12), the second round pipe (30) is inserted into the third bearing inner cavity and is fixedly connected with the third bearing, a second rotating rod (13) is arranged in the first round pipe (18) inner cavity, a first limiting block (23) is fixedly connected onto the left end of the second rotating rod (13), the right end of the second rotating rod (13) extends to the outside of the first round pipe (18) and is provided with a groove matched with the second rotating rod (13) according to an inner cavity penetrating through the second round pipe (30), the right side wall of the U-shaped plate (2) is provided with a groove, the right end of the second rotating rod (13) penetrates through the groove and is fixedly connected with a rocking wheel (14), the inner cavity of the first round pipe (18) is fixedly connected with a plurality of first left tooth blocks (24) near the right side, the outer edge of the second rotating rod (13) is fixedly connected with a plurality of second left tooth blocks (25) matched with the first left tooth blocks (24) near the left side, the outer edge of the second rotating rod (13) is fixedly connected with two limiting rods (26) near the second round pipe (30), the outer edge of the second rotating rod (13) is fixedly connected with a plurality of second right tooth blocks (28) near the right side wall of the U-shaped plate (2), a first rotating rod (4) is arranged between the transverse plate (3) and the bottom plate (9), a fourth bearing matched with the first rotating rod (4) is fixedly connected to the bottom plate (9), the bottom end of the first rotating rod (4) is inserted into an inner cavity of the fourth bearing, the top end of the first rotating rod (4) is fixedly connected with the top of the transverse plate (3), a supporting plate (7) is arranged on the right side of the first rotating rod (4), the top of the supporting plate (7) is fixedly connected with the bottom of the transverse plate (3), a rotating shaft (8) is arranged between the first rotating rod (4) and the supporting plate (7), a fifth bearing matched with the rotating shaft (8) is fixedly connected to the supporting plate (7), the right end of the rotating shaft (8) penetrates through the fifth bearing and extends to the right side of the supporting plate (7), a second connecting mechanism (39) is arranged between the second rotating rod (13) and the rotating shaft (8), the top and the bottom of diaphragm (3) all are equipped with first coupling mechanism (38), be equipped with arc wall (33) under pivot (8), a plurality of second tooth piece (32) of the inner chamber fixedly connected with of arc wall (33), the outside edge of pivot (8) is close to first tooth piece (31) that arc wall (33) department fixedly connected with a plurality of and second tooth piece (32) engaged with, be equipped with canceling release mechanical system (41) between arc wall (33) and bottom plate (9).

2. The industrial multi-stage speed reducer according to claim 1, wherein: fixing mechanism (40) are including fixed plate (15), the bottom fixed connection of fixed plate (15) and equipment body (1), the top of fixed plate (15) is equipped with screw (16), just equipment body (1) passes through screw (16) fixed connection with U template (2).

3. The industrial multi-stage speed reducer according to claim 1, wherein: first coupling mechanism (38) include first bevel gear (5), are located first bevel gear (5) at diaphragm (3) top are established at the outside edge of screwed pipe (20) to with screwed pipe (20) fixed connection, be located first bevel gear (5) at diaphragm (3) bottom are established at the outside edge of first bull stick (4) to with first bull stick (4) fixed connection, one side of first bevel gear (5) is equipped with second bevel gear (6) of intermeshing with it, are located second bevel gear (6) fixed connection at diaphragm (3) top is at the left end of first pipe (18), is located second bevel gear (6) fixed connection at diaphragm (3) bottom is at the left end of pivot (8).

4. The industrial multi-stage speed reducer according to claim 1, wherein: the second connecting mechanism (39) comprises a first single grooved pulley (10), the first single grooved pulley (10) is sleeved on the rotating shaft (8), a second single grooved pulley (29) is arranged right above the first single grooved pulley (10), the second single grooved pulley (29) is sleeved on the second rotating rod (13), the left side of the second single grooved pulley (29) is fixedly connected with the right side of the second circular tube (30), a plurality of first right tooth blocks (27) matched with the second right tooth blocks (28) are fixedly connected with the inner cavity of the second single grooved pulley (29), a belt (11) is arranged between the first single grooved pulley (10) and the second single grooved pulley (29), and the first single grooved pulley (10) is in transmission connection with the second single grooved pulley (29) through the belt (11).

5. The industrial multi-stage speed reducer according to claim 1, wherein: canceling release mechanical system (41) are including square pipe (36), the bottom of square pipe (36) and the top fixed connection of bottom plate (9), the inner chamber of square pipe (36) is equipped with second stopper (35), the bottom fixedly connected with spring (37) of second stopper (35), the one end of second stopper (35) and the inner chamber bottom fixed connection of square pipe (36) are kept away from in spring (37), the top fixedly connected with square bar (34) of second stopper (35), the one end that second stopper (35) were kept away from in square bar (34) runs through the top of square pipe (36) to with the bottom fixed connection of arc wall (33).

6. The industrial multi-stage speed reducer according to claim 1, wherein: the left side and the right side of screwed pipe (20) all are equipped with thick pipe (21), just the top and U template (2) fixed connection of thick pipe (21), the inner chamber of thick pipe (21) is equipped with slender pole (22), the bottom of slender pole (22) and the top fixed connection of diaphragm (3).

7. The industrial multi-stage speed reducer of claim 4, wherein: the distance between the first right tooth block (27) and the second right tooth block (28) is far larger than the width of the first left tooth block (24).

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