Gear replacement type speed reducer

Abstract

The utility model discloses a gear replacement type speed reducer which comprises a middle plate, a first shell and a second shell are arranged on the two sides of the middle plate respectively, and a transmission assembly is arranged among the first shell, the second shell and the middle plate. The transmission assembly comprises a first rotating shaft, a second rotating shaft and a third rotating shaft which are rotationally arranged in the middle plate, the first rotating shaft is arranged opposite to the input shaft, the third rotating shaft is arranged opposite to the output shaft, inserting shafts are arranged at the two ends of the first rotating shaft, the two ends of the second rotating shaft and the two ends of the third rotating shaft, and an input motor is connected through the input shaft; one side of the output shaft is connected with the output end, the function of the speed reducer is achieved, the first shell and the second shell are arranged to be detachable from one side of the middle plate, and personnel can conveniently install and replace the first gear, the second gear, the third gear and the fourth gear.

Description

Technical Field

[0001] The utility model relates to the technical field of reducer equipment, in particular to a gear-changing reducer. Background Art

[0002] Existing reducers are often equipped with an integrated shaft and gear when they are shipped out of the factory. On the one hand, they meet the strength requirements, and on the other hand, they omit parts, making their production and assembly efficiency higher. However, since they need to be replaced as a whole after being damaged, their economic efficiency is poor. People have conducted a lot of research on this. Although the existing technology also has a gear-replaceable reducer, its disadvantage is that the existing gear-replaceable reducer has poor transmission stability and is difficult to replace and disassemble. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a gear-changing speed reducer, which can solve the above-mentioned problems in the prior art.

[0004] The utility model is realized through the following technical scheme: a gear-replaceable reducer of the utility model comprises an intermediate plate, a first shell and a second shell are respectively arranged on both sides of the intermediate plate, a transmission assembly is arranged between the first shell, the second shell and the intermediate plate, and is characterized in that the transmission assembly comprises a first rotating shaft, a second rotating shaft and a third rotating shaft rotatably arranged in the intermediate plate, the first rotating shaft is arranged opposite to the input shaft, the third rotating shaft is arranged opposite to the output shaft, and plug-in shafts are arranged at both ends of the first rotating shaft, the second rotating shaft and the third rotating shaft.

[0005] According to a further technical solution, a base is provided at the bottom of the middle plate, and a containing assembly for containing the second shell and the first shell is provided on the base.

[0006] According to a further technical solution, the containing assembly includes a support frame arranged on the top of the base, the top of the support frame is against the bottom of the second shell and the first shell, and after the second shell and the first shell are aligned with one side of the middle plate, the support frame can play a supporting role.

[0007] According to a further technical solution, a plurality of bearings are arranged in the first shell and the second shell, a mating shaft is rotatably arranged in the bearing, a slide groove is arranged in the mating shaft, an output shaft is arranged on one side of the first shell, the output shaft is dynamically connected to one of the mating shafts in the first shell, an input shaft is arranged on one side of the second shell, the input shaft is dynamically connected to one of the mating shafts in the second shell, and the mating shaft is dynamically connected to the plug-in shaft.

[0008] According to a further technical solution, the cross section of the plug-in shaft is rectangular.

[0009] According to a further technical solution, the transmission assembly also includes a first gear arranged on one side of the first rotating shaft, a second gear arranged on one side of the second rotating shaft, a third gear arranged on the other side of the second rotating shaft, and a fourth gear arranged on one side of the third rotating shaft, the first gear is meshed with the second gear, and the third gear is meshed with the fourth gear.

[0010] According to a further technical solution, rectangular holes are provided in the first gear, the second gear, the third gear and the fourth gear, the plug-in shaft passes through the rectangular holes, the second gear and the third gear are dynamically connected to the second rotating shaft, and the fourth gear is dynamically connected to the third rotating shaft.

[0011] The beneficial effects of the utility model are:

[0012] 1. The first rotating shaft, the second rotating shaft and the third rotating shaft are rotatably arranged in the middle plate, which improves the stability of the transmission. Matching shafts and bearings are further arranged in the first shell and the second shell, so that the transmission of the first gear, the second gear, the third gear and the fourth gear is more stable after installation.

[0013] Second, after the first shell and the second shell are removed from one side of the middle plate, the matching shaft is separated from the plug-in shaft, and the first gear, the second gear, the third gear and the fourth gear can be removed by sliding, which is very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] For ease of explanation, the present invention is described in detail by the following specific embodiments and drawings.

[0015] Figure 1 This is a schematic diagram of the overall structure of a gear-changing reducer of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the internal structure of the medium reducer;

[0017] Figure 3 for Figure 2 Schematic diagram at A in the middle;

[0018] Figure 4 for Figure 2 The structural diagram of the other side of the middle reducer;

[0019] Figure 5 for Figure 4 Schematic diagram at B in the middle;

[0020] Figure 6 for Figure 1 Schematic diagram of the cross-section structure of the medium reducer;

[0021] Figure 7 for Figure 6 Schematic diagram at C in the middle;

[0022] In the figure, the input shaft 12, the second housing 13, the support frame 14, the middle plate 15, the base 16, the first housing 17, the output shaft 18, the fourth gear 21, the third gear 22, the third rotating shaft 31, the second rotating shaft 33, the second gear 34, the rectangular socket 35, the first gear 36, the plug-in shaft 37, the first rotating shaft 38, the bearing 41, the matching shaft 42, and the slide groove 43. DETAILED DESCRIPTION

[0023] like Figure 1-Figure 7 As shown, the utility model is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front and back directions mentioned below are Figure 1 The up-down, left-right, front-back directions of the projection relationship are consistent. The utility model is a gear-replaceable reducer, including an intermediate plate 15, with a first shell 17 and a second shell 13 respectively arranged on both sides of the intermediate plate 15, a transmission component is arranged between the first shell 17, the second shell 13 and the intermediate plate 15, a base 16 is arranged at the bottom of the intermediate plate 15, and a holding component for holding the second shell 13 and the first shell 17 is arranged on the base 16.

[0024] Advantageously, the containing assembly includes a support frame 14 disposed on the top of the base 16, and the top of the support frame 14 is abutted against the second shell 13 and the first shell 17. After the second shell 13 and the first shell 17 are aligned with one side of the middle plate 15, the support frame 14 can play a supporting role.

[0025] Advantageously, a plurality of bearings 41 are provided in the first shell 17 and the second shell 13, a mating shaft 42 is rotatably provided in the bearing 41, a slide groove 43 is provided in the mating shaft 42, an output shaft 18 is provided on one side of the first shell 17, the output shaft 18 is dynamically connected to one of the mating shafts 42 in the first shell 17, and an input shaft 12 is provided on one side of the second shell 13, the input shaft 12 is dynamically connected to one of the mating shafts 42 in the second shell 13.

[0026] Advantageously, the transmission assembly includes a first rotating shaft 38, a second rotating shaft 33 and a third rotating shaft 31 which are rotatably arranged in the middle plate 15. The first rotating shaft 38 is arranged opposite to the input shaft 12, and the third rotating shaft 31 is arranged opposite to the output shaft 18. A plug-in shaft 37 is arranged at both ends of the first rotating shaft 38, the second rotating shaft 33 and the third rotating shaft 31. When the plug-in shaft 37 is arranged on both sides of the first rotating shaft 38, the second rotating shaft 33 and the third rotating shaft 31, the length can be specifically set according to the actual length, so that after the first shell 17 and the second shell 13 are installed in the middle plate 15, the plug-in shaft 37 is inserted into the slide groove 43, so that the slide groove 43 and the plug-in shaft 37 are dynamically connected.

[0027] Advantageously, the cross section of the plug-in shaft 37 is rectangular.

[0028] Advantageously, a first gear 36 is provided on one side of the first rotating shaft 38, a second gear 34 is provided on one side of the second rotating shaft 33, a third gear 22 is provided on the other side of the second rotating shaft 33, and a fourth gear 21 is provided on one side of the third rotating shaft 31. The first gear 36 and the second gear 34 are located in the first housing 17, the third gear 22 and the fourth gear 21 are located in the second housing 13, the first gear 36 is meshed with the second gear 34, and the third gear 22 is meshed with the fourth gear 21.

[0029] Advantageously, a rectangular socket 35 is provided in the first gear 36, the second gear 34, the third gear 22 and the fourth gear 21, and the rectangular socket 35 passes through the plug-in shaft 37, so that the first gear 36 is dynamically connected to the first rotating shaft 38, the second gear 34 and the third gear 22 are dynamically connected to the second rotating shaft 33, and the fourth gear 21 is dynamically connected to the third rotating shaft 31.

[0030] Advantageously, after the mating shaft 42 is plugged into the plug-in shaft 37 , the end surface of the mating shaft 42 presses the first gear 36 , the second gear 34 , the third gear 22 and the fourth gear 21 against the step on one side of the plug-in shaft 37 .

[0031] The input motor is connected via the input shaft 12, and one side of the output shaft 18 is connected to the output end to realize the function of the reducer. By arranging the first shell 17 and the second shell 13 to be removable from one side of the middle plate 15, it is convenient for personnel to install and replace the first gear 36, the second gear 34, the third gear 22 and the fourth gear 21.

[0032] When disassembling and replacing the first gear 36, the second gear 34, the third gear 22 and the fourth gear 21, directly disassemble and separate the first shell 17 and the second shell 13 from the middle plate 15, disengage the matching shaft 42 from one side of the plug-in shaft 37, disengage the slide groove 43 from the plug-in shaft 37, and then remove the first gear 36, the second gear 34, the third gear 22 and the fourth gear 21.

[0033] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A gear-changeable speed reducer, comprising an intermediate plate (15), wherein a first housing (17) and a second housing (13) are respectively arranged on both sides of the intermediate plate (15), and a transmission assembly is arranged between the first housing (17), the second housing (13) and the intermediate plate (15), wherein: The transmission assembly comprises a first rotating shaft (38), a second rotating shaft (33) and a third rotating shaft (31) which are rotatably arranged in the middle plate (15); an output shaft (18) is arranged on one side of the first housing (17); an input shaft (12) is arranged on one side of the second housing (13); the first rotating shaft (38) is arranged opposite to the input shaft (12); the third rotating shaft (31) is arranged opposite to the output shaft (18); and plug-in shafts (37) are arranged at both ends of the first rotating shaft (38), the second rotating shaft (33) and the third rotating shaft (31).

2. A gear-changeable reducer according to claim 1, characterized in that: A base (16) is provided at the bottom of the middle plate (15), and a containing assembly for containing the second shell (13) and the first shell (17) is provided on the base (16).

3. A gear-changeable reducer according to claim 2, characterized in that: The containing assembly comprises a support frame (14) arranged on the top of the base (16), and the top of the support frame (14) abuts against the bottoms of the second shell (13) and the first shell (17).

4. The gear-changeable reducer according to claim 1, characterized in that: A plurality of bearings (41) are arranged in the first shell (17) and the second shell (13), a matching shaft (42) is rotatably arranged in the bearing (41), a slide groove (43) is arranged in the matching shaft (42), the output shaft (18) is dynamically connected to one of the matching shafts (42) in the first shell (17), the input shaft (12) is dynamically connected to one of the matching shafts (42) in the second shell (13), and the matching shaft (42) is dynamically connected to the plug-in shaft (37) by plugging.

5. The gear-changeable reducer according to claim 1, characterized in that: The cross section of the splicing shaft (37) is rectangular.

6. The gear-changeable reducer according to claim 1, characterized in that: The transmission assembly further comprises a first gear (36) arranged on one side of the first rotating shaft (38), a second gear (34) arranged on one side of the second rotating shaft (33), a third gear (22) arranged on the other side of the second rotating shaft (33), a fourth gear (21) arranged on one side of the third rotating shaft (31), the first gear (36) being meshed with the second gear (34), and the third gear (22) being meshed with the fourth gear (21).

7. The gear-changeable reducer according to claim 6, characterized in that: A rectangular insertion hole (35) is provided inside the first gear (36), the second gear (34), the third gear (22) and the fourth gear (21); the plug-in shaft (37) passes through the rectangular insertion hole (35); the second gear (34) and the third gear (22) are connected to the second rotating shaft (33) in a power-connected manner; and the fourth gear (21) is connected to the third rotating shaft (31) in a power-connected manner.

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