One-in-multiple-out speed reducer output shaft independent gear shifting structure and use method

Abstract

The application discloses an input-multiple-output speed reducer output shaft independent gear shifting structure and a use method. The input-multiple-output speed reducer output shaft independent gear shifting structure comprises an input shaft, multiple gear shifting mechanisms and multiple output shafts. The input shaft is in transmission connection with the multiple output shafts through the multiple gear shifting mechanisms. Each gear shifting mechanism comprises a core shaft and a gear sleeve. One end of the core shaft is in sliding fit with one output shaft along the axial direction of the output shaft, and the core shaft is in transmission connection with the output shaft. The gear sleeve is connected to the core shaft. The gear shifting mechanism is in the first position and the second position. When the gear shifting mechanism is in the first position, the core shaft is in transmission connection with the input shaft through the gear sleeve, and the transmission of the output shaft is realized. When the gear shifting mechanism is in the second position, the core shaft is in transmission disconnection with the input shaft through the gear sleeve, and the output shaft is in a stationary state. The application can realize the independent control of the multiple output shafts by the input shaft through the multiple gear shifting mechanisms, and is convenient, safe and reliable to use and maintain.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of speed reducer, in particular to a one-in multi-out speed reducer output shaft independent gear shifting structure and using method. BACKGROUND

[0002] In the modern industrial field, the speed reducer is an important transmission component in mechanical equipment, which functions to reduce the input rotation speed and increase the torque. There are many transmission structures, and the application is very wide. Usually, in the production site, it is required to drive multiple production equipment at the same time, which requires the speed reducer to have multiple output shafts connected to the production equipment to realize the simultaneous work or partial work of multiple production equipment.

[0003] Therefore, it is essential to design a one-in multi-out speed reducer output shaft independent gear shifting structure. SUMMARY

[0004] In view of the above problems existing in the existing speed reducer, the present application provides a one-in multi-out speed reducer output shaft independent gear shifting structure and using method, which can realize single control of multiple output shafts by multiple gear shifting mechanisms through one input shaft, and is convenient, safe and reliable to use and maintain.

[0005] The specific technical solutions are as follows:

[0006] A one-in multi-out speed reducer output shaft independent gear shifting structure, comprising: an input shaft, a plurality of gear shifting mechanisms and a plurality of output shafts, the input shaft being in driving connection with the plurality of output shafts through the plurality of gear shifting mechanisms;

[0007] Each of the gear shifting mechanisms comprises:

[0008] a core shaft and a tooth sleeve, one end of the core shaft being in sliding fit with one of the output shafts along the axial direction of the output shaft, and the core shaft being in driving connection with the output shaft, and the tooth sleeve being connected to the core shaft;

[0009] The gear shifting mechanism is operable in a first position and a second position;

[0010] When the gear shifting mechanism is in the first position, the core shaft is in driving connection with the input shaft through the tooth sleeve, and the transmission of the output shaft is realized.

[0011] When the gear shifting mechanism is in the second position, the core shaft is disconnected from the driving connection with the input shaft through the tooth sleeve, and the output shaft is in a stationary state.

[0012] In the above-mentioned one-input multi-output reducer with independent shifting on the output shaft, a transmission mechanism is provided between the input shaft and each of the gear sleeves. The transmission mechanism includes a first gear and a second gear. The first gear is mounted on the input shaft, and the second gear is rotatably mounted on the output shaft. The first gear meshes with the second gear.

[0013] When the shifting mechanism is in the first position, the second gear meshes with the gear sleeve.

[0014] In the aforementioned independent shifting structure of the output shaft of the multi-output reducer, the end face of the gear sleeve has a gear sleeve meshing part, and the end face of the second gear has a gear meshing part, wherein the gear sleeve meshing part meshes with the gear meshing part.

[0015] In the aforementioned one-input, multiple-output reducer output shaft independent shifting structure, the outer circumference of the first gear has a first helical tooth portion, and the outer circumference of the second gear has a second helical tooth portion, with the first helical tooth portion meshing with the second helical tooth portion.

[0016] In the above-mentioned independent shifting structure of the output shaft of the one-input multi-output reducer, the spindle has a spindle hole in the radial direction, the gear sleeve has at least one gear sleeve hole in the radial direction, the spindle hole and the gear sleeve hole are connected by a pin, the output shaft has at least one slide groove, the pin passes through the slide groove and slides along the length direction of the slide groove.

[0017] The aforementioned independent shifting structure for the output shaft of a multi-output reducer includes, in which each shifting mechanism further includes: an operating lever, wherein the operating lever is connected to the other end of the spindle via a ball bearing.

[0018] In the aforementioned one-input, multiple-output reducer with independent shifting on the output shaft, at least one key is provided between the gear sleeve and the output shaft.

[0019] In the above-mentioned independent shifting structure of the output shaft of the one-input multi-output reducer, the output shaft is provided with an elastic seat, an oil film bearing is provided between the second gear and the output shaft, a thrust bearing is provided on the side wall of the second gear and the oil film bearing, and at least one elastic element is provided between the elastic seat and the thrust bearing.

[0020] A method of use, comprising the independent shifting structure for the output shaft of a one-input, multiple-output reducer as described in any of the above embodiments, wherein the method of use includes:

[0021] Moving the spindle causes the gear sleeve to mesh with the second gear, and the first gear, the second gear, the gear sleeve, and the output shaft are sequentially transmitted through the input shaft to realize the transmission of the output shaft;

[0022] The core shaft is moved to drive the gear sleeve and the second gear to disengage, the input shaft drives the first gear and the second gear in sequence, the second gear idles, and the output shaft is in a static state.

[0023] The above technical solution has the following positive effects compared with the prior art:

[0024] The application has the advantages of compact structure, small volume, convenient operation, high gear shifting efficiency, convenient and simple assembly adjustment, low manufacturing cost, realization of independent control of the working state of multiple devices, convenient use and maintenance, and safety and reliability. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a front view of a one-in-multiple-out speed reducer of the application;

[0026] Figure 2 It is a one-in-multiple-out speed reducer of the application Figure 1 It is a sectional view in the M-M direction;

[0027] Figure 3 It is a one-in-multiple-out speed reducer of the application Figure 2 It is a sectional view in the N-N direction;

[0028] Figure 4 It is a gear sleeve structure diagram of the one-in-multiple-out speed reducer of the application;

[0029] Figure 5 It is a one-in-multiple-out speed reducer of the application Figure 4 It is a sectional view in the A-A direction;

[0030] Figure 6 It is a core shaft structure diagram of the one-in-multiple-out speed reducer of the application;

[0031] Figure 7 It is an output shaft structure diagram of the one-in-multiple-out speed reducer of the application;

[0032] Figure 8 It is a second gear structure diagram of the one-in-multiple-out speed reducer of the application;

[0033] Figure 9 It is a one-in-multiple-out speed reducer of the application Figure 8 It is a sectional view in the B-B direction;

[0034] In the attached drawings: 1. Input shaft; 2. Shifting mechanism; 3. Output shaft; 4. Transmission mechanism; 6. Housing; 21. Spindle; 22. Gear sleeve; 23. Gear sleeve meshing part; 24. Spindle hole; 25. Gear sleeve hole; 26. Pin; 27. Operating lever; 28. Ball bearing; 31. Blind hole; 32. Slide groove; 33. Key; 34. First keyway; 41. First gear; 42. Second gear; 43. Gear meshing part; 44. First helical tooth part; 45. Second helical tooth part; 51. Elastic seat; 52. Oil film bearing; 53. Thrust bearing; 54. Elastic element. Detailed Implementation

[0035] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the scope of the invention.

[0036] like Figures 1 to 9 As shown, a preferred embodiment of a one-input multi-output reducer with independent shifting of output shafts is illustrated, including: an input shaft 1, multiple shifting mechanisms 2 and multiple output shafts 3, wherein the input shaft 1 is connected to the multiple output shafts 3 respectively through the multiple shifting mechanisms 2;

[0037] Each shifting mechanism 2 includes a spindle 21 and a gear sleeve 22. One end of the spindle 21 is slidably engaged with an output shaft 3 along the axial direction of the output shaft 3, and the spindle 21 is connected to the output shaft 3 in a driving connection. The gear sleeve 22 is connected to the spindle 21.

[0038] Furthermore, as a preferred embodiment, the shift mechanism 2 is operably positioned in both a first position and a second position;

[0039] When the shifting mechanism 2 is in the first position, the spindle 21 is connected to the input shaft 1 through the gear sleeve 22 to realize the transmission of the output shaft 3;

[0040] When the shifting mechanism 2 is in the second position, the spindle 21 is disengaged from the input shaft 1 through the gear sleeve 22, and the output shaft 3 is in a stationary state.

[0041] First embodiment:

[0042] The input shaft 1 is connected to each gear sleeve 22 in a transmission manner.

[0043] Second embodiment:

[0044] A transmission mechanism 4 is provided between the input shaft 1 and each gear sleeve 22. The transmission mechanism 4 includes a first gear 41, which is mounted on the input shaft 1.

[0045] Furthermore, as a preferred embodiment, the transmission mechanism 4 further includes a second gear 42, which is rotatably mounted on the output shaft 3, and the first gear 41 meshes with the second gear 42.

[0046] When the shift mechanism 2 is in the first position, the second gear 42 is engaged with the gear sleeve 22.

[0047] The above merely describes preferred embodiments of the present application, and does not limit the embodiments and protection scope of the present application.

[0048] The present application has the following embodiments based on the above:

[0049] In further embodiments of the present application, please continue to refer to Figures 1 to 9 As shown, the end face of the gear sleeve 22 has a gear sleeve engagement part 23, and the end face of the second gear 42 has a gear engagement part 43, and the gear sleeve engagement part 23 is engaged with the gear engagement part 43.

[0050] In further embodiments of the present application, the outer periphery of the first gear 41 has a first helical tooth part 44, and the outer periphery of the second gear 42 has a second helical tooth part 45, and the first helical tooth part 44 is engaged with the second helical tooth part 45. The helix angle of the first helical tooth part 44 and the second helical tooth part 45 is 45°.

[0051] In further embodiments of the present application, the end of the mandrel 21 has a mandrel hole 24 in the radial direction, the gear sleeve 22 has at least one gear sleeve hole 25 in the radial direction, the mandrel hole 24 is connected with the gear sleeve hole 25 through a pin 26, and the output shaft 3 has at least one sliding groove 32, the pin 26 penetrates the sliding groove 32 and slides along the length direction of the sliding groove 32.

[0052] Preferably, the pin 26 is a split pin.

[0053] The end of the output shaft 3 has a blind hole 31, and the end of the mandrel 21 is slidably arranged in the blind hole 31.

[0054] Preferably, the mandrel hole 24 penetrates the end of the mandrel 21 in the radial direction, and the central axis of the mandrel hole 24 is perpendicular to the central axis of the mandrel 21.

[0055] The two sides of the end of the output shaft 3 are symmetrically provided with the sliding grooves 32, the two sides of the gear sleeve 22 are symmetrically provided with the gear sleeve holes 25, and each end of the pin 26 penetrates the sliding grooves 32 and the gear sleeve holes 25.

[0056] Preferably, the sliding groove 32 is a U-shaped groove.

[0057] In further embodiments of the present application, each shift mechanism 2 further comprises an operating rod 27, and the operating rod 27 is connected with the other end of the mandrel 21 through a ball bearing 28.

[0058] In further embodiments of the present application, at least one key 33 is arranged between the gear sleeve 22 and the output shaft 3. This facilitates the transmission of the gear sleeve 22 and the output shaft 3.

[0059] Preferably, two symmetrical keys 33 are arranged between the gear sleeve 22 and the output shaft 3.

[0060] Preferably, the inner wall of the tooth sleeve 22 is provided with a first key groove 34, and the outer wall of the output shaft 3 is provided with a second key groove, the first key groove 34 corresponding to the second key groove.

[0061] In a further embodiment of the present application, the output shaft 3 is provided with an elastic seat 51, and the second gear 42 and the output shaft 3 are provided with an oil film bearing 52, the side wall of the second gear 42 and the oil film bearing 52 being provided with a thrust bearing 53, and the elastic seat 51 and the thrust bearing 53 being provided with at least one elastic member 54.

[0062] Preferably, the elastic seat 51 and the thrust bearing 53 are provided with a plurality of elastic members 54, and the plurality of elastic members 54 are equidistantly distributed along the circumference of the output shaft 3.

[0063] Preferably, the elastic member 54 is a spring.

[0064] The one-in-multiple-out speed reducer output shaft independent gear shifting structure further comprises a box body 6, the input shaft 1 and the output shaft 3 both penetrating through the box body 6 and both being in rotational cooperation with the box body 6.

[0065] The input shaft 1 is provided with a plurality of first gears 41 distributed along the axial direction of the input shaft 1.

[0066] The plurality of output shafts 3 correspond to the plurality of first gears 41 respectively.

[0067] The central axes of the plurality of output shafts 3 are on a first plane, and the central axis of the input shaft 1 is parallel to the first plane.

[0068] The distance between the central axis of the input shaft 1 and the first plane is a.

[0069] The central axis of the first gear 41 is perpendicular to the central axis of the second gear 42.

[0070] The central axis of the output shaft 3 is perpendicular to the central axis of the input shaft 1 in different planes.

[0071] The working principle of the present application is described as follows:

[0072] As shown in FIG. 4, the operating rod is pulled to the right, the movable mandrel 21 drives the tooth sleeve 22 to engage with the second gear 42, and the input shaft 1 sequentially drives the first gear 41, the second gear 42, the tooth sleeve 22 and the output shaft 3, so as to realize the transmission of the output shaft 3. Figure 2 As shown in FIG. 5, the operating rod is pulled to the left, the movable mandrel 21 drives the tooth sleeve 22 to disengage from the second gear 42, and the input shaft 1 sequentially drives the first gear 41 and the second gear 42, so that the second gear 42 idles, and the output shaft 3 is in a stationary state.

[0073] Figure 2 As shown in FIG. 5, the operating rod is pulled to the left, the movable mandrel 21 drives the tooth sleeve 22 to disengage from the second gear 42, and the input shaft 1 sequentially drives the first gear 41 and the second gear 42, so that the second gear 42 idles, and the output shaft 3 is in a stationary state.

[0074] ​Each output shaft 3 can be switched by a shift mechanism 2, so that each output shaft 3 can be controlled individually.

[0075] The above merely describes the preferred embodiments of the present application, and is not intended to limit the implementation and protection scope of the present application. Those skilled in the art should realize that any equivalent substitutions and obvious changes made according to the content of the present application description and drawings should be included in the protection scope of the present application.

Claims

1. A one-in-multiple-out speed reducer output shaft independent gear shifting structure, characterized in that, The application relates to an input-multiple-output speed reducer, which comprises an input shaft, multiple shift mechanisms and multiple output shafts, wherein the input shaft is in transmission connection with the multiple output shafts through the multiple shift mechanisms; each shift mechanism comprises a mandrel and a gear sleeve, one end of the mandrel is in sliding fit with one output shaft along the axial direction of the output shaft, the mandrel is in transmission connection with the output shaft, and the gear sleeve is connected to the mandrel; the shift mechanism is operable in a first position and a second position; when the shift mechanism is in the first position, the mandrel is in transmission connection with the input shaft through the gear sleeve, and the output shaft is in transmission; when the shift mechanism is in the second position, the mandrel is out of transmission connection with the input shaft through the gear sleeve, and the output shaft is in a static state; a transmission mechanism is arranged between the input shaft and each gear sleeve, the transmission mechanism comprises a first gear and a second gear, the first gear is installed on the input shaft, the second gear is rotatably installed on the output shaft, and the first gear is in mesh with the second gear; when the shift mechanism is in the first position, the second gear is in mesh with the gear sleeve; the end surface of the gear sleeve is provided with a gear sleeve meshing part, the end surface of the second gear is provided with a gear meshing part, and the gear sleeve meshing part is in mesh with the gear meshing part; the mandrel is provided with a mandrel hole in the radial direction, the gear sleeve is provided with at least one gear sleeve hole in the radial direction, the mandrel hole is connected with the gear sleeve hole through a pin, the output shaft is provided with at least one sliding groove, the pin penetrates through the sliding groove and slides along the length direction of the sliding groove; each shift mechanism further comprises an operating rod which is connected with the other end of the mandrel through a ball bearing; at least one key is arranged between the gear sleeve and the output shaft; an elastic seat is arranged on the output shaft, an oil film bearing is arranged between the second gear and the output shaft, the side wall of the second gear and the oil film bearing is abutted with a thrust bearing, at least one elastic piece is arranged between the elastic seat and the thrust bearing; the outer periphery of the first gear is provided with a first bevel gear part, the outer periphery of the second gear is provided with a second bevel gear part, the first bevel gear part is in mesh with the second bevel gear part, and the helix angle of the first bevel gear part and the second bevel gear part is 45 DEG; the application further discloses a use method of the input-multiple-output speed reducer, which comprises the following steps: moving the mandrel to drive the gear sleeve to mesh with the second gear, and transmitting the first gear, the second gear, the gear sleeve and the output shaft through the input shaft in sequence to realize the transmission of the output shaft; and moving the mandrel to drive the gear sleeve to disengage from the second gear, and transmitting the first gear and the second gear through the input shaft to make the second gear idle, so that the output shaft is in a static state. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2. The independent shifting structure of the input and output shafts of the M-to-1 speed reducer according to claim 1, wherein ​ 3. The independent shifting structure of the input and output shafts of the M-to-1 speed reducer according to claim 1, wherein ​ 4. The independent shaft shifting structure of a multiple-input single-output speed reducer according to claim 1, wherein ​ 5. The independent shaft shifting structure of a multiple-input single-output speed reducer according to claim 1, wherein ​ 6. A method of using a one-in-multiple-out speed reducer output shaft independent gear shifting structure, characterized in that, ​ ​ ​

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