CN215444998U - Gear reducer capable of achieving gear shifting and adjusting - Google Patents

Gear reducer capable of achieving gear shifting and adjusting Download PDF

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Publication number
CN215444998U
CN215444998U CN202121899927.5U CN202121899927U CN215444998U CN 215444998 U CN215444998 U CN 215444998U CN 202121899927 U CN202121899927 U CN 202121899927U CN 215444998 U CN215444998 U CN 215444998U
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gear
protection casing
bevel
wall
reducer
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CN202121899927.5U
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Chinese (zh)
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李嘉程
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Zhejiang Shuanglong Reducer Co ltd
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Zhejiang Shuanglong Reducer Co ltd
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Abstract

The utility model relates to the technical field of speed reducers, in particular to a gear speed reducer capable of shifting and adjusting, which comprises an installation base, a protective cover, a speed reducing mechanism and a gear shifting mechanism, wherein the speed reducing mechanism is arranged in the protective cover, the speed reducing mechanism comprises a driving motor, a rotating assembly and two transmission assemblies, the driving motor is vertically arranged at the top of the protective cover, the output end of the driving motor is rotatably connected with the protective cover, the rotating assembly is arranged in the protective cover, the two transmission assemblies are symmetrically arranged at two ends of the rotating assembly, the gear shifting mechanism is arranged on the speed reducing mechanism, the gear shifting mechanism comprises two adjusting assemblies, and the two adjusting assemblies are symmetrically arranged in the protective cover, the practicality and flexibility are all higher.

Description

Gear reducer capable of achieving gear shifting and adjusting
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a gear speed reducer capable of being shifted and adjusted.
Background
The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotational speed and transmitting torque between the prime mover and the working machine or actuator is very widely used in modern machines, but it still has the following disadvantages in the course of practical use.
The prior art has the following defects:
1. most speed reducers can not realize gear shifting, the reduction ratio is constant, the function is single, and different scenes can not be adapted to.
2. The general speed reducer can only reduce one output end, the utilization rate is not high, and the practicability is to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gear speed reducer capable of shifting and adjusting.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a gear reducer that can shift and adjust, which comprises an installation base, the equidistant a plurality of mounting hole that is provided with on the outer wall of installation base, still include the protection casing, reduction gears and gearshift, the protection casing is established at the top of installation base through the first bolt fastening of a plurality of, reduction gears establishes the inside at the protection casing, reduction gears includes driving motor, rotating assembly and two drive assembly, driving motor is vertical the top of establishing at the protection casing, its output rotates with the protection casing to be connected, rotating assembly establishes the inside at the protection casing, two drive assembly are the symmetry and set up the both ends at rotating assembly, gearshift establishes on reduction gears, gearshift includes two adjusting part, two adjusting part are the symmetry and set up the inside at the protection casing.
Preferably, the protection casing includes first casing and second casing, and first casing and second casing are the symmetry and set up at the top of installation base, and first casing and second casing pass through a plurality of second bolt fixed connection.
Preferably, the rotating assembly comprises a first bevel gear, a second bevel gear and a first gear, the first bevel gear is sleeved on the output end of the driving motor, the top of the mounting base is symmetrically provided with two support rods, a first rotating shaft is hinged between the tops of the two support rods, two ends of the first rotating shaft are symmetrically provided with two second rotating shafts, the second bevel gear and the first gear are respectively sleeved at two ends of the first rotating shaft, the first bevel gear and the second bevel gear are meshed and connected, and the first bevel gear is smaller than the second bevel gear.
Preferably, each adjusting component comprises a sleeve and a plug pin, the sleeve is sleeved on the outer wall of the second rotating shaft, two pin holes are formed in the outer wall of the second rotating shaft at equal intervals, and the plug pin penetrates through the sleeve to be plugged with one of the pin holes.
Preferably, each transmission assembly comprises a second gear, a third gear and a hollow shaft, the second gear is sleeved on the outer wall of one end of the sleeve, the hollow shaft is rotatably arranged at the top of the mounting base, the third gear is sleeved on the outer wall of the hollow shaft, the first gear and the third gear are meshed and connected with the second gear, the first gear and the second gear are identical in size, the second gear is smaller than the third gear, and the hollow shaft is connected with the protective cover in an inserting mode.
Preferably, a fourth gear is further sleeved on the outer wall of the first rotating shaft, and the fourth gear is located between the second bevel gear and the first gear.
Preferably, one end, far away from the second gear, of each sleeve is sleeved with a fifth gear, the outer wall of each hollow shaft is further sleeved with a sixth gear, the fourth gear is smaller than the first gear, the fifth gear is larger than the fourth gear, the sixth gear is larger than the fifth gear, and the sixth gear is smaller than the third gear.
Preferably, flat keys are inserted on the outer walls of the first rotating shaft, the two second rotating shafts and the two hollow shafts, and the first gear, each second gear, each third gear, each fourth gear and each sixth gear are inserted into one flat key.
The utility model has the beneficial effects that: the during operation makes driving motor joint power to it is rotatory to drive first bevel gear through its output, because first bevel gear and second bevel gear meshing are connected, because second bevel gear and first gear all cup joint with first pivot again, thereby first pivot is rotatory, because the second gear cup joints with the one end of second pivot again, the third gear cup joints with the hollow shaft, and first gear and third gear all are connected with the second gear meshing, and then drive the hollow shaft and rotate, reach the speed reduction effect.
When the gear needs to be shifted, the bolt is extracted from the current pin hole, then the sleeve slides along the second rotating shaft, and the second gear and the fifth gear are fixedly connected with the sleeve, so that the fifth gear is driven to slide towards one end close to the fourth gear until the fifth gear slides to the upper side of the other pin hole, namely the second gear is separated from the first gear, the fourth gear is meshed with the fifth gear, the bolt is inserted into the pin hole, the sleeve is locked with the first rotating shaft, and the fifth gear and the second gear are fixed.
Since the sixth gear and the fourth gear are overlapped when viewed from the side, when the fifth gear is adjusted to be meshed with the fourth gear, the sixth gear is also meshed with the fifth gear, the second gear is also separated from the third gear, and the fourth gear is smaller than the first gear, the fifth gear is larger than the fourth gear, the sixth gear is larger than the fifth gear, and the sixth gear is smaller than the third gear, so that the effect of adjusting the reduction ratio is achieved, and gear shifting is achieved.
1. According to the utility model, by designing the speed reducing mechanism, namely the driving motor, the rotating assembly and the two transmission assemblies, the driving force transmitted by the driving motor can drive the two output ends to operate, compared with the prior art, the speed reducing mechanism can play a role in reducing the speed of the two output ends, the utilization rate is higher, and the practicability of the speed reducer is improved.
2. According to the gear shifting mechanism, namely the two adjusting assemblies, can timely adjust the reduction ratio of the speed reducer according to the application environment, so that the gear shifting effect is achieved, compared with the prior art, the gear shifting mechanism can timely and quickly shift gears according to application fields, so that different application fields are met, and the flexibility of the speed reducer is improved.
3. According to the utility model, through designing the flat key, the gear in the speed reducer can be quickly disassembled and assembled, so that the maintenance and the replacement are convenient, and the overall practicability of the speed reducer is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is an enlarged view of FIG. 3 at B;
FIG. 5 is a schematic perspective view of the present invention with the protective cover removed;
FIG. 6 is an enlarged view at C of FIG. 5;
in the figure: the gear shifting mechanism comprises a mounting base 1, a mounting hole 2, a protective cover 3, a speed reducing mechanism 4, a gear shifting mechanism 5, a driving motor 6, a rotating assembly 7, a transmission assembly 8, an adjusting assembly 9, a first shell 10, a second shell 11, a first bevel gear 12, a second bevel gear 13, a first gear 14, a sleeve 15, a bolt 16, a second gear 17, a third gear 18, a hollow shaft 19, a fourth gear 20, a fifth gear 21, a sixth gear 22 and a flat key 23.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 to 6, the gear reducer with adjustable gear shifting comprises a mounting base 1, a plurality of mounting holes 2 are arranged on the outer wall of the mounting base 1 at equal intervals, a protective cover 3, a speed reducing mechanism 4 and a gear shifting mechanism 5, the protective cover 3 is fixedly arranged on the top of the mounting base 1 through a plurality of first bolts, the speed reducing mechanism 4 is arranged inside the protective cover 3, the speed reducing mechanism 4 comprises a driving motor 6, a rotating assembly 7 and two transmission assemblies 8, the driving motor 6 is vertically arranged on the top of the protective cover 3, its output rotates with protection casing 3 to be connected, and rotating assembly 7 establishes in the inside of protection casing 3, and two drive assembly 8 are the symmetry and set up the both ends at rotating assembly 7, and gearshift 5 establishes on reduction gears 4, and gearshift 5 includes two adjusting part 9, and two adjusting part 9 are the symmetry and set up the inside at the protecting crust.
The protection casing 3 includes first casing 10 and second casing 11, and first casing 10 and second casing 11 are the symmetry and set up at the top of installation base 1, and first casing 10 and second casing 11 are through a plurality of second bolt fixed connection, and first casing 10 and second casing 11 constitute protection casing 3, not only play dustproof guard action, protect the inside spare part of speed reducer, when its inside spare part damages simultaneously, conveniently maintain or install.
The rotating component 7 comprises a first bevel gear 12, a second bevel gear 13 and a first gear 14, the first bevel gear 12 is sleeved on the output end of the driving motor 6, the top of the mounting base 1 is symmetrically provided with two support rods, a first rotating shaft is hinged between the tops of the two support rods, two second rotating shafts are symmetrically arranged at two ends of the first rotating shaft, the second bevel gear 13 and the first gear 14 are respectively sleeved at two ends of the first rotating shaft, the first bevel gear 12 is meshed with the second bevel gear 13, the first bevel gear 12 is smaller than the second bevel gear 13, in operation, the driving motor 6 is powered on, so that the first bevel gear 12 is driven to rotate through the output end of the driving motor, the first bevel gear 12 is meshed with the second bevel gear 13, the second bevel gear 13 is sleeved with the first rotating shaft, and the first rotating shaft rotates.
Each adjusting component 9 comprises a sleeve 15 and a bolt 16, the sleeve 15 is sleeved on the outer wall of the second rotating shaft, two pin holes are formed in the outer wall of the second rotating shaft at equal intervals, the bolt 16 penetrates through the sleeve 15 to be inserted into one pin hole, when gear shifting is needed, the bolt 16 is pulled out of the current pin hole, then the sleeve 15 slides along the second rotating shaft, the second gear 17 and the fifth gear 21 are fixedly connected with the sleeve 15, so that the fifth gear 21 is driven to slide towards one end close to the fourth gear 20 until the bolt slides to the position above the other pin hole, namely the second gear 17 is separated from the first gear 14, the fourth gear 20 is meshed with the fifth gear 21, the bolt 16 is inserted into the pin holes, locking of the sleeve 15 and the first rotating shaft is carried out, and the fifth gear 21 and the second gear 17 are fixed.
Each transmission assembly 8 comprises a second gear 17, a third gear 18 and a hollow shaft 19, the second gear 17 is sleeved on the outer wall of one end of the sleeve 15, the hollow shaft 19 is rotatably arranged at the top of the mounting base 1, the third gear 18 is sleeved on the outer wall of the hollow shaft 19, the first gear 14 and the third gear 18 are meshed with the second gear 17, the first gear 14 is consistent with the second gear 17 in size, the second gear 17 is smaller than the third gear 18, the hollow shaft 19 is connected with the protective cover 3 in an inserting mode, the third gear 18 is sleeved with the hollow shaft 19 because the second gear 17 is sleeved with one end of the second rotating shaft, the first gear 14 and the third gear 18 are meshed with the second gear 17 and connected with each other, the hollow shaft 19 is driven to rotate, and the speed reduction effect is achieved.
The outer wall of the first rotating shaft is further sleeved with a fourth gear 20, the fourth gear 20 is located between the second bevel gear 13 and the first gear 14, and the fourth gear 20 is designed on the first rotating shaft, is fixed in position and is convenient to shift gears.
The end of each sleeve 15 far away from the second gear 17 is sleeved with a fifth gear 21, the outer wall of each hollow shaft 19 is further sleeved with a sixth gear 22, the fourth gear 20 is smaller than the first gear 14, the fifth gear 21 is larger than the fourth gear 20, the sixth gear 22 is larger than the fifth gear 21, and the sixth gear 22 is smaller than the third gear 18. since the sixth gear 22 and the fourth gear 20 are overlapped in a side view, when the fifth gear 21 is adjusted to be meshed with the fourth gear 20, the sixth gear 22 is also meshed with the fifth gear 21, and the second gear 17 is also disengaged from the third gear 18, and since the fourth gear 20 is smaller than the first gear 14, the fifth gear 21 is larger than the fourth gear 20, the sixth gear 22 is larger than the fifth gear 21, and the sixth gear 22 is smaller than the third gear 18, the adjustment and reduction ratio is achieved, and gear shifting is achieved.
Flat keys 23 are inserted on the outer walls of the first rotating shaft, the two second rotating shafts and the two hollow shafts 19, the first gear 14, each second gear 17, each third gear 18, the fourth gear 20 and each sixth gear 22 are inserted into one flat key 23, the flat keys 23 are used for locking, and the first gear 14, each second gear 17, each third gear 18, the fourth gear 20 and each sixth gear 22 are convenient to realize quick assembly and disassembly.
The working principle of the utility model is as follows: during operation, make driving motor 6 joint power to it is rotatory to drive first bevel gear 12 through its output, because first bevel gear 12 and second bevel gear 13 meshing are connected, because second bevel gear 13 all cup joints with first pivot with first gear 14 again, thereby first pivot is rotatory, because second gear 17 cup joints with the one end of second pivot again, third gear 18 cup joints with hollow shaft 19, and first gear 14 and third gear 18 all are connected with second gear 17 meshing, and then drive hollow shaft 19 and rotate, reach the speed reduction effect.
When gear shifting is needed, the bolt 16 is pulled out from the current pin hole, then the sleeve 15 slides along the second rotating shaft, and the second gear 17 and the fifth gear 21 are both fixedly connected with the sleeve 15, so that the fifth gear 21 is driven to slide towards one end close to the fourth gear 20 until the fifth gear slides to the upper part of the other pin hole, that is, the second gear 17 is separated from the first gear 14, the fourth gear 20 is meshed with the fifth gear 21, then the bolt 16 is inserted into the pin hole, locking of the sleeve 15 and the first rotating shaft is carried out, and further the fifth gear 21 and the second gear 17 are fixed.
Since the sixth gear 22 and the fourth gear 20 are overlapped when viewed from the side, when the fifth gear 21 is adjusted to be meshed with the fourth gear 20, the sixth gear 22 is also meshed with the fifth gear 21, and the second gear 17 is also disengaged from the third gear 18, and since the fourth gear 20 is smaller than the first gear 14, the fifth gear 21 is larger than the fourth gear 20, the sixth gear 22 is larger than the fifth gear 21, and the sixth gear 22 is smaller than the third gear 18, the effect of adjusting the reduction ratio is achieved, and gear shifting is achieved.
First casing 10 and second casing 11 constitute protection casing 3, not only play dustproof guard action, protect the inside spare part of speed reducer, when its inside spare part damages, conveniently maintain or install simultaneously.
The flat keys 23 are used for locking the first gear 14, each second gear 17, each third gear 18, the fourth gear 20 and each sixth gear 22, so that quick assembly and disassembly are convenient.

Claims (8)

1. The utility model provides a gear reducer that can shift and adjust, is provided with a plurality of mounting hole (2), its characterized in that including installation base (1), equidistant on the outer wall of installation base (1): still include protection casing (3), reduction gears (4) and gearshift (5), protection casing (3) are established at the top of installation base (1) through the first bolt fastening of a plurality of, the inside at protection casing (3) is established in reduction gears (4), reduction gears (4) include driving motor (6), rotating assembly (7) and two drive assembly (8), driving motor (6) are vertical the top of establishing at protection casing (3), its output rotates with protection casing (3) and is connected, the inside at protection casing (3) is established in rotating assembly (7), two drive assembly (8) are the symmetry and set up the both ends at rotating assembly (7), gearshift (5) are established on reduction gears (4), gearshift (5) include two adjusting part (9), two adjusting part (9) are the inside of symmetry setting at the protection casing.
2. The adjustable gear reducer of claim 1, wherein: the protective cover (3) comprises a first shell (10) and a second shell (11), the first shell (10) and the second shell (11) are symmetrically arranged at the top of the mounting base (1), and the first shell (10) and the second shell (11) are fixedly connected through a plurality of second bolts.
3. The adjustable gear reducer of claim 2, wherein: the rotating assembly (7) comprises a first bevel gear (12), a second bevel gear (13) and a first gear (14), the first bevel gear (12) is sleeved on the output end of the driving motor (6), the top of the mounting base (1) is symmetrically provided with two supporting rods, a first rotating shaft is hinged between the tops of the two supporting rods, two second rotating shafts are symmetrically arranged at the two ends of the first rotating shaft, the two ends of the first rotating shaft are respectively sleeved with the second bevel gear (13) and the first gear (14), the first bevel gear (12) is meshed with the second bevel gear (13) and connected with the second bevel gear (12), and the first bevel gear (12) is smaller than the second bevel gear (13).
4. A gear reducer with adjustable shifting according to claim 3, wherein: every adjusting part (9) all includes sleeve pipe (15) and bolt (16), and sleeve pipe (15) cover is established on the outer wall of second pivot, and the equidistant two pinholes that are provided with of the outer wall of second pivot, and bolt (16) pass sleeve pipe (15) and peg graft with one of them pinhole.
5. The adjustable gear reducer of claim 4, wherein: every drive assembly (8) all includes second gear (17), third gear (18) and hollow shaft (19), second gear (17) cover is established on the one end outer wall of sleeve pipe (15), the rotatable top that sets up at installation base (1) of hollow shaft (19), third gear (18) cover is established on the outer wall of hollow shaft (19), first gear (14) and third gear (18) all are connected with second gear (17) meshing, and first gear (14) are unanimous with second gear (17) size, second gear (17) are less than third gear (18), hollow shaft (19) are pegged graft with protection casing (3).
6. The adjustable gear reducer of claim 5, wherein: a fourth gear (20) is further sleeved on the outer wall of the first rotating shaft, and the fourth gear (20) is located between the second bevel gear (13) and the first gear (14).
7. The adjustable gear reducer of claim 6, wherein: one end, far away from the second gear (17), of each sleeve (15) is sleeved with a fifth gear (21), the outer wall of each hollow shaft (19) is further sleeved with a sixth gear (22), the fourth gear (20) is smaller than the first gear (14), the fifth gear (21) is larger than the fourth gear (20), the sixth gear (22) is larger than the fifth gear (21), and the sixth gear (22) is smaller than the third gear (18).
8. The adjustable gear reducer of claim 7, wherein: flat keys (23) are inserted into the outer walls of the first rotating shaft, the two second rotating shafts and the two hollow shafts (19), and the first gear (14), each second gear (17), each third gear (18), the fourth gear (20) and each sixth gear (22) are inserted into one flat key (23).
CN202121899927.5U 2021-08-12 2021-08-12 Gear reducer capable of achieving gear shifting and adjusting Active CN215444998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121899927.5U CN215444998U (en) 2021-08-12 2021-08-12 Gear reducer capable of achieving gear shifting and adjusting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121899927.5U CN215444998U (en) 2021-08-12 2021-08-12 Gear reducer capable of achieving gear shifting and adjusting

Publications (1)

Publication Number Publication Date
CN215444998U true CN215444998U (en) 2022-01-07

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Application Number Title Priority Date Filing Date
CN202121899927.5U Active CN215444998U (en) 2021-08-12 2021-08-12 Gear reducer capable of achieving gear shifting and adjusting

Country Status (1)

Country Link
CN (1) CN215444998U (en)

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