CN117927617A - Multi-speed ratio speed reducer - Google Patents
Multi-speed ratio speed reducer Download PDFInfo
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- CN117927617A CN117927617A CN202410324160.5A CN202410324160A CN117927617A CN 117927617 A CN117927617 A CN 117927617A CN 202410324160 A CN202410324160 A CN 202410324160A CN 117927617 A CN117927617 A CN 117927617A
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 54
- 230000008878 coupling Effects 0.000 claims description 26
- 238000010168 coupling process Methods 0.000 claims description 26
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- 244000309464 bull Species 0.000 claims description 3
- 210000004489 deciduous teeth Anatomy 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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Abstract
The invention discloses a multi-speed ratio speed reducer, which relates to the technical field of speed reducers and comprises a box body, an input shaft and a plurality of output shafts, wherein a power gear is fixed on the input shaft, the power gear is arranged in the box body, a parallel adjusting module and a vertical adjusting module which are meshed with the power gear are arranged in the box body, the output direction of the parallel adjusting module is parallel to the input direction of the input shaft, the output direction of the vertical adjusting module is vertical to the input direction of the input shaft, the output speed ratios of the parallel adjusting module and the vertical adjusting module are different, the speed reducer can realize two output directions, and the application scene is wider.
Description
Technical Field
The invention relates to the technical field of speed reducers, in particular to a multi-speed ratio speed reducer.
Background
The speed reducer is a speed reducing transmission device used between a driving element and a working machine, and aims to solve the problems of rotation speed matching and torque transmission between the driving element and the working machine. In some real-time application scenes, the speed reducer needs to change different output speed ratios, and a plurality of speed reducers are matched for application, so that the occupied area is large, the operation cost is high, and at the moment, the speed reducer with various speed ratios is usually used.
At present, most of existing multi-speed ratio speed reducers adopt a shifting fork device to adjust the engagement between internal gears, so that the purpose of adjusting the speed ratio is achieved. For example, chinese patent CN217736179U discloses a multi-speed variable speed reducer, which uses a shifting fork device to adjust the engagement mode of gears on an output shaft or an input shaft with intermediate gears, so as to realize multiple speed ratio adjustment; also, for example, chinese patent CN214007930U discloses a shift fork speed reducer for a steel cord twisting machine, which realizes various speed ratio adjustment through five shift forks; the shifting fork is adopted to realize multi-speed ratio adjustment of the speed reducer, but the transmission stage number is limited, and is mostly two or three stages, generally, the more the shifting fork is adopted when the stage number is more, the more the housing space is occupied, the volume of the speed reducer is increased, and the maintenance is inconvenient.
Besides a shifting fork mode, the multi-speed ratio roller gear reducer with strong sealing performance disclosed by the publication number CN208997271U and the multi-speed ratio power distribution gear reducer disclosed by the publication number CN203176258U adopt a mode of one input shaft and a plurality of output shafts to realize multi-speed ratio adjustment of the reducer, and the mode has the problem of power waste and can also increase the volume of the reducer.
The two ways of adjusting the multiple speed ratios have respective defects, and meanwhile, the directions of the output shafts of the two ways are consistent with the directions of the input shafts, and when the application scene space is limited and the directions of the output shafts are required to be different from the directions of the input shafts, the two ways cannot be realized.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a multi-speed ratio speed reducer that is compact and has an output shaft with a selectable direction.
The invention adopts the following technical scheme:
the multi-speed ratio speed reducer comprises a box body, an input shaft and a plurality of output shafts, wherein a power gear is fixed on the input shaft, and a parallel adjusting module and a vertical adjusting module are arranged in the box body;
the parallel adjusting module comprises a multi-stage gear shaft A parallel to the input shaft, wherein a large gear and a small gear are fixed on the rest gear shafts A except the gear shaft A at the last stage, the large gear on the gear shaft A at the first stage is meshed with the power gear, the large gear and the small gear between adjacent stages are meshed with each other, the gear shaft A at the last stage is an output shaft and is only fixed with a large gear, and the large gear A on the gear shaft A at the last stage is meshed with the small gear A on the gear shaft A at the last stage;
The vertical adjustment module comprises a primary gear shaft B parallel to the input shaft and a multistage gear shaft B perpendicular to the input shaft, wherein a primary gear B and a bevel gear are fixed on the primary gear shaft B, the primary gear B is meshed with the power gear, the bevel gear is arranged at one end of the primary gear shaft B far away from the power gear, a large gear and a small gear are fixed on the gear shaft B at the other stages except for the last stage of the gear shaft B, the large gear is meshed with the bevel gear on the second stage of the gear shaft B, the large gear and the small gear between adjacent stages are meshed with each other, the last stage of the gear shaft B is an output shaft and is only fixed with a large gear, and the large gear B on the last stage of the gear shaft B is meshed with the small gear B on the previous stage of the gear shaft B.
Further, the gear shaft A comprises a first-stage gear shaft A, a second-stage gear shaft A, a third-stage gear shaft A and a fourth-stage gear shaft A, wherein the third-stage gear shaft A or the fourth-stage gear shaft A is an output shaft, a first-stage bearing A is arranged at one end, far away from the big gear, of the first-stage gear shaft A, a second-stage bearing A is arranged at one end, far away from the big gear, of the second-stage gear shaft A, and a first-stage bearing A is arranged at the position, close to the big gear, of the third-stage gear shaft A; the gear box is characterized in that a fixing plate perpendicular to the gear shaft A is fixed in the box body, a plurality of bearing holes A are formed in the fixing plate, and the primary bearing A, the secondary bearing A and the primary bearing A are all fixed in the bearing holes A.
Further, a primary bearing B is arranged at a position close to the bevel gear of the primary gear shaft B, a bearing hole B is formed in the fixing plate, and the primary bearing B is also fixed in the bearing hole B.
Further, the box body comprises a first module box and a second module box which are fixed together through bolts, the fixing plate is arranged on one side face of the first module box, and a plurality of output shafts extend out of the second module box.
Further, a first large gear A and a first small gear A are arranged on the primary gear shaft A, a second large gear A and a second small gear A are arranged on the secondary gear shaft A, a third large gear A and a third small gear A are arranged on the tertiary gear shaft A, a fourth large gear A is arranged on the quaternary gear shaft A, the first large gear A is meshed with the power gear, the second large gear A is meshed with the first small gear A, the third large gear A is meshed with the second small gear A, the fourth large gear A is meshed with the third small gear A, and the tertiary gear shaft A and the quaternary gear shaft A extend out of the box body.
Further, the third pinion A is arranged on one side, far away from the third bull gear A, of the third gear A, a second-stage bearing A is arranged on the third gear A, a fourth-stage bearing A is arranged on the fourth-stage gear A, and the second-stage bearing A and the fourth-stage bearing A are both fixed on the box body.
Further, multistage tooth axle B includes second gear axle B and tertiary tooth axle B, be equipped with second gear B and second pinion B on the second gear axle B, be equipped with third gear B on the tertiary tooth axle B, second gear B with bevel gear meshing, third gear B with second pinion B meshing, be equipped with second bearing B on the second gear axle B, be equipped with tertiary bearing B on the tertiary tooth axle B, second bearing B with tertiary bearing B all fixes on the box, second gear axle B and tertiary tooth axle B all extend out the box and regard as the output shaft.
Further, the large gear on the first-stage gear shaft A is arranged at the upper right of the power gear, the first-stage gear B is arranged below or below the power gear, and the first-stage gear B and the large gear A are not positioned on the same vertical horizontal plane; the box is connected and fixed with the connection box at the input side, the connection box include with the input flange that the motor is connected and with the output flange that the box is connected, be equipped with flexible shaft coupling in the connection box, flexible shaft coupling's stiff end fixed connection the motor output, flexible end fixed connection input shaft and drive power gear is in flexible in the box.
Further, the telescopic coupling comprises a fixed section and a telescopic section; the telescopic coupler is provided with a pull rope sensor, the pull rope sensor comprises a sensor main body, a stretching rope and a fixing rod, one end of the stretching rope is fixed on the fixing rod, the other end of the stretching rope stretches along the sensor main body, the sensor main body is fixed on a fixing section, and the fixing rod is fixed on a telescopic section; and a control system is arranged outside the connecting box and is connected with the stay rope sensor.
Further, the telescopic coupling comprises a fixed section and a telescopic section, the fixed section is provided with a plurality of telescopic hooks along the circumferential direction of the fixed section, a plurality of stop rods are arranged in the connecting box, the stop rods are annularly arranged with the telescopic coupling as the center, and the telescopic hooks are movably hung on the stop rods.
The beneficial effects of the invention are as follows:
1. the output direction of the parallel adjusting module is parallel to the input direction of the input shaft, the output direction of the vertical adjusting module is vertical to the input direction of the input shaft, the output speed ratios of the parallel adjusting module and the vertical adjusting module are different, various speed ratio adjustment of the speed reducer can be realized, the speed reducer can realize two output directions, and the application scene is wider;
2. Parallel adjustment module and perpendicular adjustment module set up in the box side by side, compare in traditional multispeed ratio speed reducer, the structure of this speed reducer is compacter, and the volume is compacter, more can satisfy little space scene installation, because only has tooth axle gear structure in this speed reducer, consequently compare in traditional shifting fork speed reducer, this speed reducer maintenance and maintenance are simpler.
Drawings
FIG. 1 is a schematic diagram of the structure of a multi-speed ratio speed reducer of the present invention;
FIG. 2 is a schematic view of the structure of the case of the present invention;
FIG. 3 is a schematic diagram of the internal structure of the multi-speed ratio speed reducer of the present invention;
FIG. 4 is a schematic view of the first modular tank of the present invention;
fig. 5 is a schematic structural view of an internal parallel adjustment module and a vertical adjustment module of embodiment 2;
embodiment 3 of fig. 6 is a schematic structural view of an internal parallel adjustment module and a vertical adjustment module;
fig. 7 is a schematic view of the structure of the junction box and the motor in embodiment 3;
FIG. 8 is a schematic cross-sectional view of the junction box in example 3;
fig. 9 is a schematic structural view of the junction box, the motor, and the first module box in embodiment 3.
In the figure: 1. a case; 101. a first module box; 102. a second module box; 2. an input shaft; 3. a power gear; 4. a fixing plate; 5. a bearing hole A; 6. a bearing hole B; 71. a primary gear shaft A; 72. a secondary gear shaft A; 73. a three-stage gear shaft A; 74. a fourth-stage gear shaft A; 75. a first gearwheel a; 76. a first pinion a; 77. a second gearwheel a; 78. a second pinion a; 79. a third gearwheel a; 710. a third pinion a; 711. a fourth gearwheel a; 712. a primary bearing A; 713. a secondary bearing A; 714. a first three-level bearing A; 715. a second three-level bearing A; 716. a four-stage bearing A; 81. a first-stage gear shaft B; 82. a secondary gear shaft B; 83. a three-stage gear shaft B; 84. a primary gear B; 85. a bevel gear; 86. a second gearwheel B; 87. a second pinion B; 88. a third gearwheel B; 89. a third pinion B; 810. a fourth-stage gear shaft B; 811. a fourth large gear B; 812. a primary bearing B; 813. a secondary bearing B; 814. a three-stage bearing B; 815. a four-stage bearing B; 9. a connection box; 10. an input flange; 11. an output flange; 12. a telescopic coupling; 121. a fixed section; 122. a telescoping section; 13. a pull rope sensor; 131. a sensor body; 132. stretching the rope; 133. a fixed rod; 14. a control system; 15. a telescopic hook; 16. a stop lever; 17. and a motor.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the invention more clear, the invention is further described below with reference to the accompanying drawings and embodiments.
Example 1
As shown in fig. 1 to 4, the embodiment provides a multi-speed ratio speed reducer, which comprises a box body 1, an input shaft 2 and a plurality of output shafts, wherein a power gear 3 is fixed on the input shaft 2, the power gear 3 is arranged in the box body 1, and a parallel adjusting module and a vertical adjusting module are arranged in the box body 1; the parallel adjusting module comprises a plurality of stages of gear shafts A parallel to the input shaft 2, wherein a large gear A and a small gear A are fixed on the rest gear shafts A except the gear shaft A at the last stage, the large gear A on the gear shaft A at the first stage is meshed with the power gear 3, the large gear A and the small gear A between adjacent stages are meshed with each other, the gear shaft A at the last stage is an output shaft and is only fixed with a large gear A, and the large gear A on the gear shaft A at the last stage is meshed with the small gear A on the gear shaft A at the last stage; the vertical adjusting module comprises a primary gear shaft B81 parallel to the input shaft 2 and a multi-stage gear shaft B perpendicular to the input shaft 2, wherein a primary gear B84 and a bevel gear 85 are fixed on the primary gear shaft B81, the primary gear B84 is meshed with the power gear 3, the bevel gear 85 is arranged at one end of the primary gear shaft B81 far away from the power gear 3, a large gear B and a small gear B are also fixed on the rest multi-stage gear shafts B except for the final stage gear shaft B, the large gear B is meshed with the bevel gear 85 on the second stage gear shaft B, the large gears B and the small gears B between adjacent stages are meshed with each other, the final stage gear shaft B is an output shaft and is only fixed with the large gear B, and the large gear B on the final stage gear shaft B is meshed with the small gear B on the previous stage gear shaft B.
The output direction of the parallel adjustment module is parallel to the input direction of the input shaft 2, the output direction of the vertical adjustment module is vertical to the input direction of the input shaft 2, the speed reducer can realize two output directions, the output speed ratio of the parallel adjustment module and the vertical adjustment module is different, and the application scene of the speed reducer is wider. Meanwhile, the parallel adjusting module and the vertical adjusting module can be arranged in parallel in the box body 1, compared with a traditional multi-speed ratio speed reducer, the speed reducer is more compact in structure and smaller in size, and can meet the requirement of small-space scene installation.
Further, the gear shaft A comprises a first-stage gear shaft A71, a second-stage gear shaft A72, a third-stage gear shaft A73 and a fourth-stage gear shaft A74, wherein the third-stage gear shaft A73 or the fourth-stage gear shaft A74 is an output shaft, the first-stage gear shaft A71 is provided with a first-stage bearing A712 at one end far away from the upper big gear A, the second-stage gear shaft A72 is provided with a second-stage bearing A713 at one end far away from the upper big gear A, and the third-stage gear shaft A73 is provided with a first-stage bearing A714 at a position close to the upper big gear A; the box 1 is internally fixed with a fixed plate 4 vertical to the gear shaft A, a plurality of bearing holes A5 are formed in the fixed plate 4, and a primary bearing A712, a secondary bearing A713 and a primary bearing A714 are all fixed in the bearing holes A5.
The primary bearing A712, the secondary bearing A713 and the primary bearing A714 are positioned on the same vertical horizontal plane, namely the horizontal plane where the fixed plate 4 is positioned, and the primary gear shaft A71, the secondary gear shaft A72, the primary gear shaft A71, the large gear A and the small gear A on the secondary gear shaft A72 and the large gear A on the tertiary gear shaft A73 are arranged on one side of the fixed plate 4, so that the position design of the above components is more compact, more space is reserved for the vertical adjusting module, and meanwhile, the primary gear shaft A71, the secondary gear shaft A72 and the tertiary gear shaft A73 are sufficiently supported in the box body 1.
Further, the primary gear shaft B81 is provided with a primary bearing B812 at a position close to the bevel gear 85, the fixing plate 4 is provided with a bearing hole B6, and the primary bearing B812 is also fixed in the bearing hole B6. Primary bearing B812 is in same vertical horizontal plane with primary bearing A712, secondary bearing A713 and tertiary bearing A714, and primary gear B81, primary gear B84, primary gear A71, secondary gear A72, gear A and pinion A on primary gear A71 and secondary gear A72 and gear A on tertiary gear A73 all establish one side at fixed plate 4 for space distribution is more reasonable in the box 1, also makes each part position in the box 1 more clear simultaneously, and the personnel of being convenient for maintain and overhaul.
Further, the case 1 includes a first module case 101 and a second module case 102 fixed together by bolts, the fixing plate 4 is provided on one side surface of the first module case 101, and a plurality of output shafts extend out of the second module case 102.
From this, above one-level tooth axle B81, one-level gear B84, one-level tooth axle A71, second grade tooth axle A72, big gear A and pinion A on one-level tooth axle A71 and the second grade tooth axle A72 and big gear A on tertiary tooth axle A73 all establish in first module case 101 for this speed reducer equipment is simpler, and the box 1 split of being convenient for is also convenient for to the modularized design simultaneously, is favorable to personnel to overhaul.
Further, a first large gear A75 and a first small gear A76 are arranged on the primary gear A71, a second large gear A77 and a second small gear A78 are arranged on the secondary gear A72, a third large gear A79 and a third small gear A710 are arranged on the tertiary gear A73, a fourth large gear A711 is arranged on the quaternary gear A74, the first large gear A75 is meshed with the power gear 3, the second large gear A77 is meshed with the first small gear A76, the third large gear A79 is meshed with the second small gear A78, the fourth large gear A711 is meshed with the third small gear A710, and the tertiary gear A73 and the quaternary gear A74 extend out of the box body 1.
Specifically, the first large gear a75 is provided at the end of the primary gear a71, and the primary bearing a712 is provided at the other end of the primary gear a71, that is, the primary gear a71 is supported by the primary bearing a712 on the fixed plate 4; the second large gear a77 is provided at the end of the secondary gear a72, and the secondary bearing a713 is provided at the other end of the secondary gear a72, that is, the secondary gear a72 is supported by the secondary bearing a713 on the fixed plate 4.
Meanwhile, a first pinion A76 is arranged next to a first gearwheel A75, a second pinion A78 is arranged next to a second gearwheel A77, the first gearwheel A75 is arranged on the upper right of the power gear 3, the second gearwheel A77 is arranged on the right side of the first pinion A76, a third gearwheel A79 is arranged below the second gearwheel A78, the third gearwheel A79 is arranged at the end part of a tertiary gear A73, and the other end of the tertiary gear A73 extends out of the box 1 and serves as an output shaft of the parallel adjusting module.
Further, the third pinion a710 is disposed on a side of the third gear shaft a73 far away from the third bull gear a79, the third gear shaft a73 is provided with a second-stage bearing a715, the fourth gear shaft a74 is provided with a fourth-stage bearing a716, and the second-stage bearing a715 and the fourth-stage bearing a716 are both fixed on the box 1.
The second tertiary bearing A715 is arranged at one end, far away from the third large gear A79, of the tertiary gear shaft A73, compared with the primary gear shaft A71 and the secondary gear shaft A72, the length of the tertiary gear shaft A73 is longer, and the tertiary gear shaft A73 is supported by the first tertiary bearing A714 and the second tertiary bearing A715. The fourth large gear a711 is disposed below the third small gear a710 and is staggered from the vertical adjustment module, referring to fig. 3, since the first large gear a75 is disposed at the upper right side of the power gear 3, the parallel adjustment module is biased toward the upper right side of the power gear 3 as a whole, so that the offset of the parallel adjustment module to the upper right side of the power gear 3 is reduced compared with the arrangement above the third small gear a710 by disposing the fourth large gear a711 below the third small gear a710, and the fourth large gear a711 is matched with the vertical adjustment module, so that the overall structure of the speed reducer is more compact, the fourth large gear a711 is disposed at the end of the fourth gear a74, and the other end of the fourth gear a74 extends out of the case 1 and serves as the other output shaft of the parallel adjustment module.
In a comprehensive way, the parallel adjusting module shares two output shafts, and three-stage speed ratio adjustment and four-stage speed ratio adjustment are respectively realized.
Further, the multi-stage gear shaft B comprises a secondary gear shaft B82 and a tertiary gear shaft B83, a second large gear B86 and a second small gear B87 are arranged on the secondary gear shaft B82, a third large gear B88 is arranged on the tertiary gear shaft B83, the second large gear B86 is meshed with the bevel gear 85, the third large gear B88 is meshed with the second small gear B87, a secondary bearing B813 is arranged on the secondary gear shaft B82, a tertiary bearing B814 is arranged on the tertiary gear shaft B83, the secondary bearing B813 and the tertiary bearing B814 are both fixed on the box body 1, and the secondary gear shaft B82 and the tertiary gear shaft B83 extend out of the box body 1 and serve as output shafts.
Specifically, the primary gear B84 is provided below or left below the power gear 3, the primary gear shaft B81 is supported by the primary bearing B812, the bevel gear 85 is engaged with the second large gear B86, the output direction is changed so that the output direction is perpendicular to the input direction, and the third large gear B88 is provided below the second small gear B87. The tertiary gear B83 may be supported by one or two tertiary bearings B814, and when there are two tertiary bearings B814, the tertiary gear B83 needs to penetrate the entire case 1, and at this time, the tertiary gear B83 is disposed below the tertiary gear a73 and on one side of the fourth gearwheel a 711.
In conclusion, the vertical adjusting module is provided with two output shafts, and two-stage speed ratio adjustment and three-stage speed ratio adjustment are respectively realized.
Working principle: the input shaft 2 is driven, the input shaft 2 drives the power gear 3 to rotate, the parallel adjusting module and the vertical adjusting module are driven to carry out multistage transmission through the power gear 3, the working machine can be installed on any one output shaft, different output shafts can output different speed ratios, meanwhile, the parallel direction output shaft or the vertical direction output shaft can be selected according to the direction of the working machine, the speed reducer can realize adjustment of the output direction while realizing multiple speed ratios, and the application scene is wider.
Example 2
As shown in fig. 1 to 5, this embodiment provides a multi-speed ratio speed reducer, on the basis of embodiment 1, the vertical adjustment module further includes a fourth gear B810, a fourth large gear B811 is disposed on the fourth gear B810, a third small gear B89 meshed with the fourth large gear B811 is disposed on the third gear B83, the third small gear B89 is compactly fixed on a side of the third large gear B88 away from an output end thereof, the fourth gear B810 is supported on the case 1 by a fourth bearing B815, and the fourth gear B810 extends out of the case 1 as an output shaft.
Therefore, the vertical adjusting module has three output shafts, and two-stage speed ratio adjustment, three-stage speed ratio adjustment and four-stage speed ratio adjustment are respectively realized.
Example 3
As shown in fig. 1 to 9, this embodiment provides a multi-speed ratio speed reducer, on the basis of embodiment 1, a large gear on a first-stage gear shaft a is disposed at the upper right side of a power gear 3, a first-stage gear B84 is disposed below or at the lower left side of the power gear 3, and the first-stage gear B84 and the first large gear a75 are not on the same vertical horizontal plane.
The box 1 is connected and fixed with the connection box 9 at the input side, and the connection box 9 includes the input flange 10 of being connected with motor 17 and the output flange 11 of being connected with box 1, is equipped with flexible shaft coupling 12 in the connection box 9, and flexible shaft coupling 12's stiff end fixed connection motor 17 output, flexible end fixed connection input shaft 2 and drive power gear 3 are flexible in box 1.
Specifically, the positional relationship between the primary gear B84 and the first large gear a75 includes two cases, the first is that when the telescopic coupling 12 is not extended, the power gear 3 is engaged with the first large gear a75, the parallel adjustment module works at this time, when the telescopic coupling 12 is extended, the power gear 3 extends into the case 1 and is engaged with the primary gear B84, and the vertical adjustment module works at this time; second, when the telescopic coupling 12 is not extended, the power gear 3 is engaged with the primary gear B84, and the vertical adjustment module is operated, and when the telescopic coupling 12 is extended, the power gear 3 is extended into the case 1 and engaged with the first large gear a 75. The position of the input shaft 2 is adjusted through the telescopic coupling 12, so that the selective engagement of the power gear 3 is realized, the power gear 3 only works with the parallel adjusting module or the vertical adjusting module, and the power waste is reduced.
Further, the telescopic coupling 12 includes a fixed section 121 and a telescopic section 122; the telescopic coupling 12 is provided with a pull rope sensor 13, the pull rope sensor 13 comprises a sensor main body 131, a stretching rope 132 and a fixing rod 133, one end of the stretching rope 132 is fixed on the fixing rod 133, the other end stretches along the sensor main body 131, the sensor main body 131 is fixed on the fixing section 121, and the fixing rod 133 is fixed on the telescopic section 122; the connecting box 9 is externally provided with a control system 14, and the control system 14 is connected with a pull rope sensor 13.
The telescopic coupling 12 is preferably a hydraulic cylinder type telescopic coupling, which is of the prior art and can be purchased in the market, and comprises a cylinder barrel, a piston, a telescopic rod, a sealing cover, an oil inlet and outlet nozzle and the like, and is connected with a hydraulic station through the outside to realize the telescopic function.
The control system 14 may be provided on the connection box 9, and the control system 14 adjusts the degree of expansion of the expansion coupling 12 by receiving the linear movement information of the rope sensor 13. Since the connection box 9 and the box 1 are separated, the lubricant oil in the box 1 does not affect the coupling and the rope sensor 13 in the connection box 9.
Further, the telescopic coupling 12 comprises a fixing section 121 and a telescopic section 122, the fixing section 121 is provided with a plurality of telescopic hooks 15 along the circumferential direction thereof, a plurality of stop rods 16 are arranged in the connecting box 9, the stop rods 16 are annularly arranged with the coupling as the center, and the telescopic hooks 15 are movably hung on the stop rods 16. The telescopic hook 15 includes an electric telescopic rod and a hook member fixed to the electric telescopic rod.
When the speed reducer is about to stop working, the telescopic hook 15 is communicated with a power supply, the hook piece is outwards stretched under the drive of the electric telescopic rod and hooks the stop lever 16, the speed reducer is prevented from rotating, when the load of the working end is heavy, the speed reducer can be effectively prevented from reversing after stopping working, and the motor 17 is prevented from idling.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The multi-speed ratio speed reducer is characterized by comprising a box body (1), an input shaft (2) and a plurality of output shafts, wherein a power gear (3) is fixed on the input shaft (2), and a parallel adjusting module and a vertical adjusting module are arranged in the box body (1);
The parallel adjustment module comprises a multi-stage gear shaft A parallel to the input shaft (2), wherein a large gear A and a small gear A are fixed on the rest gear shafts A except the gear shaft A at the last stage, the large gear A on the gear shaft A at the first stage is meshed with the power gear (3), the large gear A and the small gear A between adjacent stages are meshed with each other, the gear shaft A at the last stage is an output shaft and is only fixed with the large gear A, and the large gear A on the gear shaft A at the last stage is meshed with the small gear A on the gear shaft A at the last stage;
The vertical adjustment module comprises a primary gear shaft B (81) parallel to the input shaft (2) and a multi-stage gear shaft B perpendicular to the input shaft (2), wherein a primary gear B (84) and a bevel gear (85) are fixed on the primary gear shaft B (81), the primary gear B (84) is meshed with the power gear (3), the bevel gear (85) is arranged at one end, far away from the power gear (3), of the primary gear shaft B (81), a large gear B and a small gear B are fixed on the gear shaft B in the rest stages except the last stage of the gear shaft B, the large gear B is meshed with the bevel gear (85) in the second stage of the gear shaft B, the large gear B and the small gear B between adjacent stages are meshed with each other, the gear shaft B is an output shaft and is only fixed with a large gear B, and the large gear B on the last stage of the gear shaft B is meshed with the small gear B on the gear shaft B.
2. A multi-speed ratio speed reducer according to claim 1, characterized in that the tooth axes a comprise a primary tooth axis a (71), a secondary tooth axis a (72), a tertiary tooth axis a (73) and a quaternary tooth axis a (74), the tertiary tooth axis a (73) or the quaternary tooth axis a (74) being an output shaft, the primary tooth axis a (71) being provided with a primary bearing a (712) at an end remote from the gearwheel a thereon, the secondary tooth axis a (72) being provided with a secondary bearing a (713) at an end remote from the gearwheel a thereon, the tertiary tooth axis a (73) being provided with a primary bearing a (714) at a position close to the gearwheel a thereon; the gear box is characterized in that a fixing plate (4) perpendicular to the gear shaft A is fixed in the box body (1), a plurality of bearing holes A (5) are formed in the fixing plate (4), and the primary bearing A (712), the secondary bearing A (713) and the primary bearing A (714) are all fixed in the bearing holes A (5).
3. A multi-speed ratio speed reducer according to claim 2, characterized in that the primary gear shaft B (81) is provided with a primary bearing B (812) at a position close to the bevel gear (85), the fixing plate (4) is provided with a bearing hole B (6), and the primary bearing B (812) is also fixed in the bearing hole B (6).
4. A multi-speed ratio speed reducer according to claim 2, wherein the housing (1) comprises a first module case (101) and a second module case (102) fixed together by bolts, the fixing plate (4) is provided on one side of the first module case (101), and a plurality of the output shafts each extend out of the second module case (102).
5. A multi-speed ratio speed reducer according to claim 2, characterized in that the primary gear shaft a (71) is provided with a first large gear a (75) and a first small gear a (76), the secondary gear shaft a (72) is provided with a second large gear a (77) and a second small gear a (78), the tertiary gear shaft a (73) is provided with a third large gear a (79) and a third small gear a (710), the quaternary gear shaft a (74) is provided with a fourth large gear a (711), the first large gear a (75) and the power gear (3) are meshed, the second large gear a (77) and the first small gear a (76) are meshed, the third large gear a (79) and the second small gear a (78) are meshed, the fourth large gear a (711) and the third small gear a (710) are meshed, and the tertiary gear shaft a (73) and the quaternary gear shaft a (74) both extend out of the box (1).
6. The multi-speed ratio speed reducer according to claim 5, wherein the third pinion gear a (710) is disposed on a side of the third gear shaft a (73) away from the third bull gear a (79), a second third bearing a (715) is disposed on the third gear shaft a (73), a fourth bearing a (716) is disposed on the fourth gear shaft a (74), and both the second third bearing a (715) and the fourth bearing a (716) are fixed on the case (1).
7. The multi-speed ratio speed reducer according to claim 1, wherein the multi-stage gear shaft B comprises a secondary gear shaft B (82) and a tertiary gear shaft B (83), a second large gear B (86) and a second small gear B (87) are arranged on the secondary gear shaft B (82), a third large gear B (88) is arranged on the tertiary gear shaft B (83), the second large gear B (86) is meshed with the bevel gear (85), the third large gear B (88) is meshed with the second small gear B (87), a secondary bearing B (813) is arranged on the secondary gear shaft B (82), a tertiary bearing B (814) is arranged on the tertiary gear shaft B (83), the secondary bearing B (813) and the tertiary bearing B (814) are both fixed on the box body (1), and the secondary gear shaft B (82) and the tertiary gear shaft B (83) are both extended out of the box body (1) and serve as output shafts.
8. A multi-ratio speed reducer according to claim 1, characterized in that said large gear on said gear shaft a of the first stage is provided on the upper right side of said power gear (3), said primary gear B (84) is provided below or below the left side of said power gear (3), said primary gear B (84) and said large gear a of the first stage are not on the same vertical horizontal plane; the utility model discloses a box, including box (1), motor (17) are connected with input flange (10), box (1) are connected with input side is fixed with connection box (9), connection box (9) include with input flange (10) that motor (17) are connected and with output flange (11) that box (1) are connected, be equipped with flexible shaft coupling (12) in connection box (9), the stiff end fixed connection of flexible shaft coupling (12) motor (17) output, flexible end fixed connection input shaft (2) and drive power gear (3) are in flexible in box (1).
9. A multi-speed ratio reducer according to claim 8, wherein the telescopic coupling (12) comprises a fixed section (121) and a telescopic section (122); the telescopic coupler (12) is provided with a pull rope sensor (13), the pull rope sensor (13) comprises a sensor main body (131), a stretching rope (132) and a fixing rod (133), one end of the stretching rope (132) is fixed on the fixing rod (133), the other end of the stretching rope stretches along the sensor main body (131), the sensor main body (131) is fixed on a fixing section (121), and the fixing rod (133) is fixed on a telescopic section (122); a control system (14) is arranged outside the connecting box (9), and the control system (14) is connected with the stay rope sensor (13).
10. The multi-speed ratio speed reducer according to claim 8, wherein the telescopic coupling (12) comprises a fixed section (121) and a telescopic section (122), the fixed section (121) is provided with a plurality of telescopic hooks (15) along the circumferential direction thereof, a plurality of stop rods (16) are arranged in the connecting box (9), the stop rods (16) are centered on the telescopic coupling (12) and are annularly arranged, and the telescopic hooks (15) are movably hung on the stop rods (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410324160.5A CN117927617B (en) | 2024-03-21 | 2024-03-21 | Multi-speed ratio speed reducer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410324160.5A CN117927617B (en) | 2024-03-21 | 2024-03-21 | Multi-speed ratio speed reducer |
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| CN117927617B CN117927617B (en) | 2024-05-17 |
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| DE102021203580A1 (en) * | 2020-04-13 | 2021-10-14 | Dana Automotive Systems Group, Llc | Systems for an electric vehicle |
| CN218644768U (en) * | 2022-10-13 | 2023-03-17 | 沃德传动（天津）股份有限公司 | Double-speed fine-adjustable large-speed-ratio speed reducer |
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2024
- 2024-03-21 CN CN202410324160.5A patent/CN117927617B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0015115D0 (en) * | 2000-06-20 | 2000-08-09 | Worrall Trevor J | Geared transmissions |
| CN201757160U (en) * | 2010-06-25 | 2011-03-09 | 福建南安市科盛机械有限公司 | Reduction gearbox with multiple output shafts |
| CN102003497A (en) * | 2010-11-15 | 2011-04-06 | 南京高特齿轮箱制造有限公司 | Rolling mill gear box with high-low speed output |
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| CN209370380U (en) * | 2018-12-29 | 2019-09-10 | 南京宁嘉机电有限公司 | A kind of adjustable main gear case of internal mixer of output speed ratio |
| DE102021203580A1 (en) * | 2020-04-13 | 2021-10-14 | Dana Automotive Systems Group, Llc | Systems for an electric vehicle |
| CN218644768U (en) * | 2022-10-13 | 2023-03-17 | 沃德传动（天津）股份有限公司 | Double-speed fine-adjustable large-speed-ratio speed reducer |
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| Publication number | Publication date |
|---|---|
| CN117927617B (en) | 2024-05-17 |
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