CN215410069U

CN215410069U - Stirring type large speed ratio difference double-speed transmission speed reducer

Info

Publication number: CN215410069U
Application number: CN202121567367.3U
Authority: CN
Inventors: 章朝云; 闵孟文; 吴克键; 何芸; 张达; 倪志鹏; 陈玉铺; 陈余利; 项献忠
Original assignee: Zhejiang Tongli Transmission Technology Co ltd
Current assignee: Zhejiang Tongli Transmission Technology Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-01-04
Anticipated expiration: 2031-07-09

Abstract

The utility model relates to a stirring type large-speed-ratio-difference two-speed transmission reducer, which comprises a box body, an input shaft, a horizontal output shaft and a transmission shaft, wherein the input shaft and the transmission shaft are gear shafts, the horizontal output shaft is sleeved with a low-speed synchronous gear and a high-speed synchronous gear, one end of the transmission shaft is provided with a transmission gear, the other end of the transmission shaft is meshed with the low-speed synchronous gear, one end of the input shaft is provided with an input gear, a fixed spline wheel is arranged between the low-speed synchronous gear and the high-speed synchronous gear, the fixed spline wheel is sleeved with a sliding spline sleeve, the sliding spline sleeve is provided with a shifting fork shifting mechanism, the sliding spline sleeve is pushed onto the low-speed synchronous gear or the high-speed synchronous gear through the shifting fork shifting mechanism, when the sliding spline sleeve is pushed onto the high-speed synchronous gear, the reducer is in a high-speed state, when the sliding spline sleeve is pushed onto the low-speed synchronous gear, the high-speed and low-speed switching can be realized only by one reducer in the whole stirring process, the working efficiency and the time are improved, and the cost is reduced.

Description

Stirring type large speed ratio difference double-speed transmission speed reducer

Technical Field

The utility model relates to the field of speed reducers, in particular to a stirring type large-speed-ratio-difference double-speed transmission speed reducer.

Background

In the chemical stirring process, different stirring speeds can affect the reaction time and efficiency of the final product. Some materials need to be stirred at a high speed and then at a low speed. When stirring this type of material, need use 2 sets of agitated vessel, stir a period of time in the high-speed agitator tank earlier after, pour into the stirring in the low-speed agitator tank again. In the whole process, a large amount of time, manpower and material resources are wasted, and the efficiency and the cost are influenced.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a stirring type large speed ratio difference double-speed transmission speed reducer aiming at the defects of the prior art, so that the high-speed and low-speed switching can be realized only by one speed reducer in the whole stirring process.

In order to achieve the purpose, the utility model provides the following technical scheme: stirring formula big velocity ratio difference double speed transmission reduction gear, including box and set up in the box and input shaft and the horizontal output shaft that is parallel to each other, its characterized in that: a speed ratio adjusting device is arranged between the input shaft and the horizontal output shaft, the speed ratio adjusting device comprises a transmission shaft arranged between the input shaft and the horizontal output shaft, the input shaft and the transmission shaft are gear shafts, a low-speed synchronous gear and a high-speed synchronous gear are sleeved on the horizontal output shaft, one end of the transmission shaft is meshed with the input shaft, the other end of the transmission shaft is meshed with the low-speed synchronous gear through a self gear, one end of the input shaft, far away from the transmission gear, is provided with an input gear meshed with the high-speed synchronous gear, a fixed spline wheel fixed with the horizontal output shaft is arranged between the low-speed synchronous gear and the high-speed synchronous gear, a sliding spline sleeve capable of sliding horizontally on the low-speed synchronous gear, the high-speed synchronous gear and the fixed spline wheel is sleeved outside the fixed spline wheel, a shifting fork gear shifting mechanism is arranged on the sliding spline sleeve, and the sliding spline sleeve is pushed onto the low-speed synchronous gear or the high-speed synchronous gear through the shifting fork gear shifting mechanism, the low-speed synchronous gear or the high-speed synchronous gear is connected with the fixed spline wheel, when the sliding spline housing is pushed onto the high-speed synchronous gear, the speed reducer is in a high-speed state, and when the sliding spline housing is pushed onto the low-speed synchronous gear, the speed reducer is in a low-speed state.

Adopt above-mentioned scheme, through setting up the transmission shaft between input shaft and horizontal output shaft, and input shaft one end realizes that the drive ratio is 1 through the meshing of two input gears that the number of teeth is the same and high-speed synchronous gear: 1 high-speed mode, the input shaft other end meshes with the transmission gear that the number of teeth is a little bigger on the transmission shaft through the pinion of self, and the ratio of transmission 20 is realized with the meshing of the last low-speed synchromesh gear of horizontal output axle through the pinion of transmission shaft self: 1, simultaneously through being equipped with fixed spline wheel on horizontal output shaft, set up the slip spline housing that can slide at low-speed synchronizing gear, high-speed synchronizing gear and fixed spline wheel outside fixed spline wheel to control slip spline housing horizontal migration through shift fork gearshift and realize high low-speed gear switching, when the slip spline housing pushes away on the spline of the high-speed synchronizing gear side that input gear meshed on the horizontal output shaft and input shaft on promptly, the total drive ratio of preceding triaxial is 1. When the sliding spline sleeve is pushed onto the spline of the low-speed synchronous gear side meshed with the pinion on the transmission shaft on the horizontal output shaft, the total transmission ratio of the front three shafts can reach 20, so that the high-speed and low-speed switching can be realized only by one speed reducer in the whole stirring process, the working efficiency is improved, the time is shortened, and the cost is reduced.

The stirring type large speed ratio difference double-speed transmission speed reducer can be further arranged as follows: the shifting fork gear shifting mechanism comprises a plurality of shifting forks arranged on the outer peripheral surface of the sliding spline sleeve and a gear shifting rotating shaft arranged in the box and corresponding to one end of the shifting fork, the shifting fork is connected with the sliding spline sleeve through a first fixing structure, one end of the gear shifting rotating shaft is connected with the shifting fork through a second fixing structure, the other end of the gear shifting rotating shaft penetrates out of the box and is provided with a shifting fork connecting rod, and the shifting fork connecting rod is rotated to drive the gear shifting rotating shaft to rotate so as to link the sliding spline sleeve to slide on the low-speed synchronous gear or the high-speed synchronous gear and the fixed spline wheel.

By adopting the scheme, the two ends of the sliding spline sleeve are respectively provided with the shifting fork, the shifting rotating shaft penetrates through the shifting fork and then extends out of the box body to be linked with the shifting fork connecting rod, the shifting fork connecting rod can be rotated outside the box body to drive the shifting rotating shaft to rotate, and the shifting fork can be linked to slide on the low-speed synchronous gear or the high-speed synchronous gear and the fixed spline wheel under the condition of ensuring no eccentricity.

The stirring type large speed ratio difference double-speed transmission speed reducer can be further arranged as follows: the first fixing structure comprises sliding blocks arranged on two sides of the sliding spline sleeve, and the sliding blocks are fixed on the shifting fork through a threaded shaft and a stop washer and a round nut for the round nut.

By adopting the scheme, the sliding spline housing is wholly nitrided through nitriding, the hardness is improved, the sliding spline housing is more wear-resistant during sliding, the strength of the sliding spline housing is improved, the circular nut is arranged on the grooved side of the circular nut through the stop washer during use, and the inner and outer stop lugs are bent and placed in the groove after fastening. After the round nut is fastened, the inner ear and the outer ear are respectively pulled into axial directions and are respectively clamped at the key groove on the threaded shaft and the opening of the round nut, so that the round nut cannot be loosened due to the rotation of the threaded shaft, and the position of the sliding spline housing of the round nut is conveniently adjusted.

The stirring type large speed ratio difference double-speed transmission speed reducer can be further arranged as follows: the second fixing structure comprises a fixing bolt, a fixing nut and a single-lug stop washer which are arranged on the gear shifting rotating shaft.

By adopting the scheme, the side surface of the shifting fork is provided with the threaded hole, firstly, the fixing bolt sequentially penetrates through the fixing nut, the single lug stop washer and the shifting fork, the thread is screwed, the fixing bolt is propped against the shifting rotating shaft and is locked by the fixing nut, and the long tongue of the single lug stop washer is tightly folded down along the edge of the shifted fork. After the fixing nut is screwed down, the round ears of the single-ear locking washer stand up and are attached to the side plane of the fixing nut, so that the fixing nut and the fixing bolt cannot rotate, the anti-loosening purpose is achieved, and the axial position of the shifting fork on the shifting rotating shaft can be effectively limited and conveniently adjusted.

The stirring type large speed ratio difference double-speed transmission speed reducer can be further arranged as follows: and one end of the box body, which corresponds to the horizontal output shaft, is provided with a vertical output shaft which is perpendicular to the horizontal output shaft, and the horizontal output shaft is in transmission connection with the vertical output shaft through a bevel gear and a parallel shaft.

Adopt above-mentioned scheme, through setting up the vertical output shaft with the perpendicular setting of horizontal output shaft, change the reduction gear of original horizontal output into vertical output, the agitator of the different models of adaptation.

The stirring type large speed ratio difference double-speed transmission speed reducer can be further arranged as follows: and a plurality of deep groove ball bearings are arranged among the low-speed synchronous gear, the high-speed synchronous gear and the horizontal output shaft.

By adopting the scheme, the deep groove ball bearing with small friction resistance and high rotating speed is used for bearing a horizontal output shaft of radial load or combined load acted simultaneously in the radial direction and the axial direction, so that the transmission efficiency is improved, and the service life of a machine is prolonged.

The stirring type large speed ratio difference double-speed transmission speed reducer can be further arranged as follows: the box body adopts a split structure and consists of a machine body, a bearing cover and a flange cover.

By adopting the scheme, the transmission gear and the transmission shaft can be smoothly assembled, and the interference with a shifting fork gear shifting mechanism is avoided.

The stirring type large speed ratio difference double-speed transmission speed reducer can be further arranged as follows: the width of the sliding spline housing is not more than that of the fixed spline wheel, and when the sliding spline housing completely stays on the fixed spline wheel, the speed reducer is in a neutral gear state.

By adopting the scheme, the stirrer is not required to be stopped when different materials or stirring states are switched by setting the neutral gear state, and high electric energy consumption caused by startup and shutdown is avoided.

The stirring type large speed ratio difference double-speed transmission speed reducer can be further arranged as follows: the outer peripheral surface of the box body is provided with an adjusting baffle plate, the adjusting baffle plate is provided with three circular adjusting gears of low speed, neutral gear and high speed corresponding to the low speed synchronous gear, the fixed spline wheel and the high speed synchronous gear, and one end of the shifting fork connecting rod corresponding to the adjusting baffle plate is provided with an adjusting stop lever capable of being inserted into the adjusting gear.

By adopting the scheme, the low-speed, neutral and high-speed circular adjusting gears respectively correspond to the relative positions of the sliding spline sleeve on the low-speed synchronous gear, the fixed spline wheel and the high-speed synchronous gear, the two-speed regulation and control of the speed reducer can be realized outside by controlling the adjusting stop lever to drive the shifting fork connecting rod to rotate, namely, a high-speed stirring type is needed, the rotating adjusting stop lever is inserted into the high-speed adjusting gear to complete the high-speed adjustment, and the sliding spline sleeve is fixed by the adjusting stop lever to prevent the sliding spline sleeve from sliding, so that the adjusting process is more convenient and stable.

The stirring type large speed ratio difference double-speed transmission speed reducer can be further arranged as follows: the one end that the shift fork connecting rod corresponds the regulation pin is equipped with the return cover, the one end that the regulation pin is close to adjusting damper is equipped with the return lug, in regulation pin one end passed the return cover and inserted the regulation fender position, and the return lug sets up in the return cover, regulation pin outer peripheral face cover is equipped with return spring, return spring one end offsets with the return cover, and the other end offsets with the return lug, it is equipped with the regulation handle to adjust the pin and keep away from adjusting damper one end.

By adopting the scheme, the adjusting device has the advantages that the return sleeve, the return convex block and the return spring are arranged, so that a worker can separate the adjusting stop lever from a current gear only by pulling the adjusting handle outwards when adjusting the stirring speed of the speed reducer, the adjusting stop lever can be directly inserted into the current gear to be fixed after the adjusting handle is rotated to the required gear, and the adjusting process is more convenient.

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

Drawings

Fig. 1 is a schematic diagram of an internal structure of an embodiment of the present invention.

Fig. 2 is a schematic connection diagram of a shifting fork gear shifting mechanism according to an embodiment of the utility model.

Fig. 3 is a schematic structural diagram of a second fixing structure according to an embodiment of the utility model.

Fig. 4 is an enlarged view of fig. 2 at a.

FIG. 5 is a schematic structural diagram of a speed ratio adjustment device of an embodiment of the present invention in a low gear state.

FIG. 6 is a schematic structural diagram of a speed ratio adjustment mechanism of an embodiment of the present invention in a neutral state.

FIG. 7 is a schematic structural diagram of a speed ratio adjustment device of an embodiment of the present invention in a high gear state.

Detailed Description

As shown in fig. 1-7, the stirring type large speed ratio difference two-speed transmission speed reducer comprises a box body 1, and an input shaft 2 and a horizontal output shaft 3 which are arranged in the box body 1 and are parallel to each other, a speed ratio adjusting device is arranged between the input shaft 2 and the horizontal output shaft 3, the speed ratio adjusting device comprises a transmission shaft 4 arranged between the input shaft 2 and the horizontal output shaft 3, both the input shaft 2 and the transmission shaft 4 are gear shafts, the horizontal output shaft 3 is sleeved with a low-speed synchronous gear 31 and a high-speed synchronous gear 32, one end of the transmission shaft 4 is engaged with a transmission gear 41 of the input shaft 2, the other end is engaged with the low-speed synchronous gear 31 through a self gear, one end of the input shaft 2 far away from the transmission gear 41 is provided with an input gear 21 engaged with the high-speed synchronous gear 32, a fixed spline wheel 33 fixed with the horizontal output shaft 3 is arranged between the low-speed synchronous gear 31 and the high-speed synchronous gear 32, the fixed spline wheel 33 is externally sleeved with a sliding spline housing 5 which can horizontally slide on the low-speed synchronous gear 31, the high-speed synchronous gear 32 and the fixed spline wheel 33, the sliding spline housing 5 is provided with a shifting fork gear shifting mechanism, the sliding spline housing 5 is pushed onto the low-speed synchronous gear 31 or the high-speed synchronous gear 32 through the shifting fork gear shifting mechanism, the low-speed synchronous gear 31 or the high-speed synchronous gear 32 is connected with the fixed spline wheel 33, when the sliding spline housing 5 is pushed onto the high-speed synchronous gear 32, the speed reducer is in a high-speed state, when the sliding spline housing 5 is pushed onto the low-speed synchronous gear 31, the speed reducer is in a low-speed state, the shifting fork gear shifting mechanism comprises a plurality of shifting forks 6 arranged on the outer peripheral surface of the sliding spline housing 5 and a shifting rotating shaft 61 arranged in the box body 1 and corresponding to one end of the shifting fork 6, the shifting fork 6 is connected with the sliding spline housing 5 through a first fixing structure, one end of the shifting rotating shaft 61 is connected with the shifting fork 6 through a second fixing structure, the other end penetrates out of the box body 1 and is provided with a shifting fork connecting rod 62, the shifting fork connecting rod 62 is rotated to drive the shifting rotating shaft 61 to rotate so as to link the sliding spline housing 5 to slide on the low-speed synchronous gear 31 or the high-speed synchronous gear 32 and the fixed spline wheel 33, the first fixing structure comprises sliding blocks 51 arranged at two sides of the sliding spline housing 5, the sliding blocks 51 are fixed on the shifting fork 6 through a threaded shaft 52, a stop washer 53 for a round nut and a round nut 54, the second fixing structure comprises a fixing bolt 611, a fixing nut 612 and a single-lug stop washer 613 which are arranged on the shifting rotating shaft 61, one end of the box body 1 corresponding to the horizontal output shaft 3 is provided with a vertical output shaft 7 which is vertical to the horizontal output shaft 3, the horizontal output shaft 7 is in transmission connection with the vertical output shaft 7 through a bevel gear 71 and a parallel shaft 72, and a plurality of deep groove ball bearings 34 are arranged between the low-speed synchronous gear 31, the high-speed synchronous gear 32 and the horizontal output shaft 3, the box body 1 adopts a split structure and consists of a machine body 11, a bearing cover 12 and a flange cover 13, the width of the sliding spline housing 5 is not more than that of the fixed spline wheel 33, when the sliding spline housing 5 completely stays on the fixed spline wheel 33, the speed reducer is in a neutral gear state, the peripheral surface of the box body 1 is provided with an adjusting baffle 14, the adjusting baffle 14 is provided with three circular adjusting gears of low speed, neutral gear and high speed corresponding to the low speed synchronous gear 31, the fixed spline wheel 33 and the high speed synchronous gear 32, one end of the shifting fork connecting rod 62 corresponding to the adjusting baffle 14 is provided with an adjusting baffle rod 8 which can be inserted into the adjusting baffle 14, one end of the shifting fork connecting rod 62 corresponding to the adjusting baffle rod 8 is provided with a return sleeve 9, one end of the adjusting baffle rod 8 close to the adjusting baffle 14 is provided with a return lug 81, one end of the adjusting baffle rod 8 penetrates through the return sleeve 9 and then is inserted into the adjusting baffle, and the return lug 81 is arranged in the return sleeve 9, the outer peripheral surface of the adjusting stop lever 8 is sleeved with a return spring 82, one end of the return spring 82 abuts against the return sleeve 9, the other end of the return spring abuts against the return convex block 81, and one end, far away from the adjusting baffle 14, of the adjusting stop lever 8 is provided with an adjusting handle 83.

In the present invention, when the number of teeth of the input shaft 2 and the transmission shaft 3 is 17, the number of teeth of the transmission gear 4 is 63, and the number of teeth of the input gear 21, the low-speed synchronizing gear 31, and the high-speed synchronizing gear 32 are all 88, the transmission ratio of the input gear 21 to the high-speed synchronizing gear 32 is 88: 88, the transmission ratio of the input shaft 2 to the horizontal output shaft 3 is 1: 1, this is a high speed state, when the speed 1 output on the input shaft 2: 1 to the horizontal output shaft 3, and the transmission ratio of the input shaft 2 to the transmission gear 41 is 63: 17, the transmission ratio of the transmission shaft 4 to the low-speed synchronizing gear 31 is 88: 17, the transmission ratio of the input shaft 2 to the horizontal output shaft 3 is 5544: 289, about 20: 1 is now low speed, when the speed 20 at the output of input shaft 2: 1 is transmitted to a horizontal output shaft 3, namely the input shaft 2 is output through the horizontal output shaft 3 after being decelerated by 20 times, different transmission ratios can be controlled only by controlling the tooth numbers on the input shaft 2, the transmission gear 41 and the transmission shaft 3, and the large-speed-ratio-difference double-speed transmission is realized.

Claims

1. Stirring formula big velocity ratio difference double speed transmission reduction gear, including box and set up in the box and input shaft and the horizontal output shaft that is parallel to each other, its characterized in that: a speed ratio adjusting device is arranged between the input shaft and the horizontal output shaft, the speed ratio adjusting device comprises a transmission shaft arranged between the input shaft and the horizontal output shaft, the input shaft and the transmission shaft are gear shafts, a low-speed synchronous gear and a high-speed synchronous gear are sleeved on the horizontal output shaft, one end of the transmission shaft is meshed with the input shaft, the other end of the transmission shaft is meshed with the low-speed synchronous gear through a self gear, one end of the input shaft, far away from the transmission gear, is provided with an input gear meshed with the high-speed synchronous gear, a fixed spline wheel fixed with the horizontal output shaft is arranged between the low-speed synchronous gear and the high-speed synchronous gear, a sliding spline sleeve capable of sliding horizontally on the low-speed synchronous gear, the high-speed synchronous gear and the fixed spline wheel is sleeved outside the fixed spline wheel, a shifting fork gear shifting mechanism is arranged on the sliding spline sleeve, and the sliding spline sleeve is pushed onto the low-speed synchronous gear or the high-speed synchronous gear through the shifting fork gear shifting mechanism, the low-speed synchronous gear or the high-speed synchronous gear is connected with the fixed spline wheel, when the sliding spline housing is pushed onto the high-speed synchronous gear, the speed reducer is in a high-speed state, and when the sliding spline housing is pushed onto the low-speed synchronous gear, the speed reducer is in a low-speed state.

2. The agitator type large differential speed two-speed transmission reducer as defined in claim 1, wherein: the shifting fork gear shifting mechanism comprises a plurality of shifting forks arranged on the outer peripheral surface of the sliding spline sleeve and a gear shifting rotating shaft arranged in the box and corresponding to one end of the shifting fork, the shifting fork is connected with the sliding spline sleeve through a first fixing structure, one end of the gear shifting rotating shaft is connected with the shifting fork through a second fixing structure, the other end of the gear shifting rotating shaft penetrates out of the box and is provided with a shifting fork connecting rod, and the shifting fork connecting rod is rotated to drive the gear shifting rotating shaft to rotate so as to link the sliding spline sleeve to slide on the low-speed synchronous gear or the high-speed synchronous gear and the fixed spline wheel.

3. The agitator type large differential speed two-speed transmission reducer as defined in claim 2, wherein: the first fixing structure comprises sliding blocks arranged on two sides of the sliding spline sleeve, and the sliding blocks are fixed on the shifting fork through a threaded shaft and a stop washer and a round nut for the round nut.

4. The agitator type large differential speed two-speed transmission reducer as defined in claim 3, wherein: the second fixing structure comprises a fixing bolt, a fixing nut and a single-lug stop washer which are arranged on the gear shifting rotating shaft.

5. The churning high differential speed two speed drive reducer as recited in any of claims 1-4, wherein: and one end of the box body, which corresponds to the horizontal output shaft, is provided with a vertical output shaft which is perpendicular to the horizontal output shaft, and the horizontal output shaft is in transmission connection with the vertical output shaft through a bevel gear and a parallel shaft.

6. The churning high differential speed two speed drive reducer as recited in any of claims 1-4, wherein: and a plurality of deep groove ball bearings are arranged among the low-speed synchronous gear, the high-speed synchronous gear and the horizontal output shaft.

7. The churning high differential speed two speed drive reducer as recited in any of claims 1-4, wherein: the box body adopts a split structure and consists of a machine body, a bearing cover and a flange cover.

8. The churning high differential speed two speed drive reducer as recited in any of claims 2-4, wherein: the width of the sliding spline housing is not more than that of the fixed spline wheel, and when the sliding spline housing completely stays on the fixed spline wheel, the speed reducer is in a neutral gear state.

9. The agitator type large differential speed two-speed drive reducer of claim 8, wherein: the outer peripheral surface of the box body is provided with an adjusting baffle plate, the adjusting baffle plate is provided with three circular adjusting gears of low speed, neutral gear and high speed corresponding to the low speed synchronous gear, the fixed spline wheel and the high speed synchronous gear, and one end of the shifting fork connecting rod corresponding to the adjusting baffle plate is provided with an adjusting stop lever capable of being inserted into the adjusting gear.

10. The agitator type large differential speed two-speed drive reducer of claim 9, wherein: the one end that the shift fork connecting rod corresponds the regulation pin is equipped with the return cover, the one end that the regulation pin is close to adjusting damper is equipped with the return lug, in regulation pin one end passed the return cover and inserted the regulation fender position, and the return lug sets up in the return cover, regulation pin outer peripheral face cover is equipped with return spring, return spring one end offsets with the return cover, and the other end offsets with the return lug, it is equipped with the regulation handle to adjust the pin and keep away from adjusting damper one end.