Conical roller speed reducer assembly

Abstract

The utility model provides a cone roller speed reducer assembly, and relates to the field of gear boxes. The cone roller speed reducer assembly comprises a box body, a bearing bush, an output shaft, a supporting bearing, a base, a motor and a gear transmission mechanism. The bearing bush is detachably installed on the box body, the output shaft penetrates through the box body and is arranged in the bearing bush in a penetrating mode, and the output shaft is sleeved with the supporting bearing which is installed in the bearing bush. The base is connected with the box body; the motor is mounted on the base; the gear transmission mechanism is installed on the box body, and the motor is in transmission connection with the output shaft through the gear transmission mechanism. The speed reducer assembly is simple in structure, convenient to disassemble and assemble and stable and reliable in torque transmission.

Description

Technical Field

[0001] The utility model relates to the field of gear boxes, in particular to a cone roller reducer assembly. Background Art

[0002] The reducer is an independent component consisting of a gear drive, a worm drive, or a gear-worm drive enclosed in a rigid housing. It is often used as a reduction transmission device between the prime mover and the working machine. It plays the role of matching the speed and transmitting the torque between the prime mover and the working machine or the actuator, and is widely used in modern machinery. For example, some equipment is equipped with a cone roller reducer, which is large in size, heavy in weight, and inconvenient to assemble. In particular, the output shaft, transmission gear and other components of the cone roller reducer in the prior art are independently arranged. When disassembling and assembling, the transmission gear needs to be removed from the shaft body first, and then the shaft body can be removed, which is inconvenient to operate. Utility Model Content

[0003] The utility model aims to provide a tapered roller reducer assembly, which can improve the convenience of disassembly and assembly.

[0004] The embodiment of the utility model is achieved as follows:

[0005] In a first aspect, the utility model provides a tapered roller reducer assembly, comprising:

[0006] A housing, a bearing sleeve, an output shaft, a support bearing, a base, a motor and a gear transmission mechanism; the bearing sleeve is detachably mounted on the housing, the output shaft passes through the housing and is inserted into the bearing sleeve, the support bearing is sleeved on the outside of the output shaft and mounted in the bearing sleeve; the base is connected to the housing, and the motor is mounted on the base; the gear transmission mechanism is mounted on the housing, and the motor is transmission-connected to the output shaft via the gear transmission mechanism.

[0007] In an optional embodiment, an annular oil inlet groove and a plurality of oil inlet holes connected to the annular oil inlet groove are provided on the circumferential wall of the bearing bushing, and the plurality of oil inlet holes are arranged at intervals in the circumferential direction of the annular oil inlet groove.

[0008] Based on the above scheme, by setting an annular oil inlet groove and an oil inlet hole, during operation, dry oil or thin oil can be input into the annular oil inlet groove through an oil pipe, and then input into the bearing sleeve from the oil inlet hole to lubricate the bearing between the bearing sleeve and the output shaft.

[0009] In an optional embodiment, the output shaft is provided with an assembly hole, the hole wall of the assembly hole is provided with an anti-rotation groove and a fixing hole penetrating the bottom wall of the anti-rotation groove, a flat key is embedded in the anti-rotation groove, and the flat key and the anti-rotation groove are relatively fixed in the circumferential direction of the output shaft; a locking piece is installed in the fixing hole, and the locking piece is screwed and fixed to the flat key.

[0010] Based on the above scheme, by inserting the shaft head into the assembly hole of the output shaft, and using the flat key and the shaft head to achieve circumferential limit, the output shaft can drive the shaft head to rotate through the flat key, so that the torque is output to the shaft head through the output shaft. The use of plug-in fit can shorten the axial length of the shaft head and the output shaft, improve the stability during the rotation process, and facilitate stable and reliable transmission of torque.

[0011] In an optional embodiment, the outer circumferential surface of the output shaft includes a planar portion, one end of the fixing hole is located on the planar portion, the locking member includes a connected screw and an end cap, the screw is inserted into the fixing hole and is threadedly connected to the flat key, and the end cap is in contact with the planar portion.

[0012] Based on the above solution, the end cap of the locking member contacts the flat portion. When the locking member rotates and fixes the flat key, the end cap of the locking member has a large contact area with the flat portion, is not prone to slipping or wear and tear, and has a good locking effect.

[0013] In an optional embodiment, there are multiple flat keys, and the multiple flat keys are arranged at intervals in the circumferential direction of the assembly hole.

[0014] Based on the above scheme, the shaft head is connected with a plurality of flat keys to increase the positioning area of ​​the shaft head, thereby improving the connection firmness of the shaft head. The shaft head is not easy to loosen when it moves driven by the output shaft, and the torque transmission is stable and reliable.

[0015] In an optional embodiment, a first connecting flange is provided on the base, and a second connecting flange is provided on the box body, and the first connecting flange and the second connecting flange are fixedly connected by fastening bolts.

[0016] Based on the above solution, the connection structure between the box body and the base is simple and easy to assemble and disassemble.

[0017] In an optional embodiment, a first pin hole is provided on the first connecting flange, and a second pin hole is provided on the box body. The first pin hole is connected to the second pin hole, and a positioning pin shaft is passed through the connected first pin hole and the second pin hole. The positioning pin shaft is transitionally matched with the first pin hole and the second pin hole at the same time.

[0018] Based on the above scheme, the box and the base are fixedly connected by fastening bolts. The fastening bolts have good axial force and can limit the axial freedom of the base and the box. However, due to the structural limitations of the fastening bolts, the radial force effect is poor and they are prone to wear after long-term use, resulting in shaking of the base and the box, which affects the transmission of power from the motor to the gear transmission mechanism. Therefore, a positioning pin is added between the box and the base. The positioning pin can bear a large radial force, thereby preventing the box and the base from moving relative to each other in the radial direction of the fastening bolts. The motor and the gear transmission mechanism have high coaxiality, which is conducive to torque transmission.

[0019] In an optional embodiment, the tapered roller reducer assembly also includes a lubrication mechanism and a cooling mechanism. The lubrication mechanism is installed on the casing or the base, and is used to circulate the lubricating oil liquid in the casing; the cooling mechanism is connected to the casing or the base, and is used to cool the lubricating oil liquid transported to the outside of the casing through the lubrication mechanism.

[0020] Based on the above scheme, the heat generated during the operation of the gear transmission mechanism is taken away by the lubricating oil transported by the lubricating mechanism, which plays a role in heat dissipation. The heated lubricating oil can be returned to the box again after being cooled by the cooling mechanism to participate in lubrication and cooling, thereby improving the operating stability of the reducer.

[0021] In an optional embodiment, the cooling mechanism includes a bracket and a cooling fan, the bracket is connected to the base, and the cooling fan is installed on the bracket; the lubrication mechanism includes an oil pump, an oil delivery pipe, an oil return tank and an oil return pipe; the oil pump is installed on the box body, the two ends of the oil delivery pipe are respectively connected to the box body and the oil return tank, the two ends of the oil return pipe are respectively connected to the box body and the oil return tank, the oil return tank is installed on the base, and the cooling fan is used to blow wind to the oil return tank.

[0022] Based on the above solution, the lubricating oil is air-cooled by a cooling fan, and the cold zone fan has a simple and compact structure, occupies a small space, and is easy to install.

[0023] In an optional embodiment, the gear transmission mechanism includes an input gear shaft, a transmission gear, an intermediate gear shaft and an output gear; the input gear shaft is rotatably matched with the housing, and the motor is connected to the input gear shaft; the transmission gear is sleeved on the outside of the intermediate gear shaft, the intermediate gear shaft is rotatably connected to the housing, and the input gear shaft is meshed with the transmission gear; the output gear is sleeved on the outside of the output shaft, and the output gear is meshed with the intermediate gear shaft.

[0024] Based on the above scheme, after the motor is started, the torque is transmitted to the input gear shaft, and then the torque is transmitted to the output gear through the transmission gear. The rotation of the output gear drives the intermediate gear shaft to rotate together, and the intermediate gear shaft transmits the torque to the output shaft to realize the output of torque. The torque transmission is smooth and reliable.

[0025] The beneficial effects of the embodiments of the utility model are:

[0026] In summary, the cone roller reducer assembly provided in this embodiment is provided with a detachable bearing bushing on the housing, and the support bearing is sleeved on the outside of the output shaft and fixed in the bearing bushing. When disassembling and assembling, the side of the housing can be opened, and then the bearing bushing is separated from the housing, and the bearing bushing, the support bearing and the output shaft can be directly removed from the housing together, which is easy to operate. Similarly, when assembling, the support bearing, the bearing bushing and the output shaft and other components can be assembled together outside the housing first, and then assembled to the housing. During assembly, the limited space inside the housing is less affected, interference is not easy to occur, and assembly is convenient. In the prior art, multiple components need to be disassembled and assembled in the housing according to steps, which is limited by the housing space and inconvenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 A schematic diagram of a tapered roller reducer assembly from one perspective of an embodiment of the utility model;

[0029] Figure 2 A schematic diagram of a tapered roller reducer assembly from another perspective of an embodiment of the utility model;

[0030] Figure 3 It is a cross-sectional schematic diagram of a tapered roller reducer assembly according to an embodiment of the utility model;

[0031] Figure 4 for Figure 3 Schematic diagram of the local enlarged structure in.

[0032] icon:

[0033] 100-housing; 110-left side plate; 111-positioning groove; 112-threaded hole; 113-keyway; 120-middle housing; 130-right side plate; 140-pressing plate; 150-second connecting flange; 200-bearing bushing; 201-annular oil inlet groove; 202-oil inlet hole; 210-annular folding edge; 220-bolt; 300-output shaft; 310-assembly hole; 320-flat key; 330-plane portion; 340-locking piece ;400-support bearing; 500-base; 510-first connecting flange; 520-locating pin shaft; 600-motor; 700-gear transmission mechanism; 710-input gear shaft; 720-transmission gear; 730-intermediate gear shaft; 740-output gear; 800-lubricating mechanism; 810-oil pump; 820-oil pipeline; 830-return oil tank; 840-return oil pipe; 900-cooling mechanism; 910-bracket; 920-fan. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0037] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0038] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0039] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the prior art, multiple components inside the reduction box need to be disassembled and assembled in sequence, which is inconvenient to operate.

[0041] In view of this, the designer provides a tapered roller reducer assembly that integrates multiple components together for easy disassembly and assembly.

[0042] Please combine Figure 1-Figure 4 In this embodiment, the cone roller reducer assembly includes a housing 100, a bearing bushing 200, an output shaft 300, a support bearing 400, a base 500, a motor 600 and a gear transmission mechanism 700. The bearing bushing 200 is detachably mounted on the housing 100, the output shaft 300 passes through the housing 100 and is arranged in the bearing bushing, the support bearing 400 is sleeved on the outside of the output shaft 300 and is installed in the bearing bushing 200; the base 500 is connected to the housing 100, and the motor 600 is installed on the base 500; the gear transmission mechanism 700 is installed on the housing 100, and the motor 600 is transmission-connected to the output shaft 300 through the gear transmission mechanism 700.

[0043] Based on the above, the operation process of the tapered roller reducer assembly provided in this embodiment is as follows:

[0044] The motor 600 is started, and the torque is transmitted to the output shaft 300 through the gear transmission mechanism 700, and the output shaft 300 transmits the torque to the shaft head connected thereto, thereby realizing the output of the torque. Since the output shaft 300 is connected to the bearing bushing 200 through the support bearing 400, the bearing bushing 200 is detachably mounted on the housing 100. When disassembling, the side of the housing 100 can be opened, and then the bearing bushing 200 is separated from the housing 100, and the bearing bushing 200, the support bearing 400 and the output shaft 300 are directly removed from the housing 100 together, which is convenient to operate. Similarly, when assembling, the support bearing 400, the bearing bushing 200 and the output shaft 300 and other components can be assembled together outside the housing 100, and then assembled to the housing 100. During assembly, the limited space inside the housing 100 is less affected, interference is not easily generated, and assembly is convenient. In the prior art, a plurality of components need to be assembled and disassembled in the box 100 according to steps, which is inconvenient to operate due to the space limitation of the box 100.

[0045] The following embodiments illustrate the details of the tapered roller reducer assembly provided in the present application by way of examples.

[0046] Please combine Figure 1 and Figure 3 In this embodiment, optionally, the box body 100 includes a left side plate 110, an intermediate shell 120 and a right side plate 130. The two opposite sides of the intermediate shell 120 are open, and the left side plate 110 and the right side plate 130 are both connected to the intermediate shell 120, and the left side plate 110 and the right side plate 130 respectively close the two openings of the intermediate shell 120. A positioning groove 111 and a positioning through hole are provided on the inner side plate surface of the left side plate 110, and the positioning through hole is provided through the bottom wall of the positioning groove 111. Both the positioning groove 111 and the positioning through hole can be circular structures, and the two are coaxially arranged. The left side plate 110 can be welded and fixed to the intermediate shell 120. The right side plate 130 and the intermediate shell 120 can be connected by bolts 220, and the right side plate 130 can be removed from the intermediate shell 120 by removing the bolts 220. When the right side plate 130 is removed, the right side of the intermediate housing 120 is exposed, and the output shaft 300, the bearing bushing 200, the support bearing 400 and other components can be removed from the right side of the intermediate housing 120 together, which is convenient for disassembly.

[0047] Optionally, the left side plate 110 is used as a mounting structure for the frame and the cone roller reducer assembly. The frame and the left side plate can be fixedly connected by bolts and keys. For example, a plurality of threaded holes 112 and a plurality of key slots 113 can be provided on the left side plate 110. The frame is docked on the left side plate 110, and the bolts penetrate the frame and are screwed and fixed to the threaded holes 112. The key is embedded in the key slots 113 on the frame and the left side plate 110 at the same time to achieve fixed fit. It should be understood that the number of threaded holes 112 and key slots 113 can be set as required.

[0048] Please combine Figure 3 and Figure 4 In this embodiment, optionally, the bearing bushing 200 has a first end and a second end opposite to each other, and the second end of the bearing bushing 200 is provided with an outward-turned annular folding edge 210. When assembling, the first end first passes through the positioning through hole on the left side plate 110, and the annular folding edge 210 of the second end is embedded in the positioning groove 111, and the annular folding edge 210 is fixedly connected to the left side plate 110 by a bolt 220. That is, the groove wall of the positioning groove 111 of the left side plate 110 is provided with a plurality of threaded holes arranged in an annular manner, and the annular folding edge 210 is provided with a plurality of through holes arranged in an annular manner, and the number of through holes is the same as that of the threaded holes, and a bolt 220 is passed through each through hole, and the bolt 220 is screwed into the corresponding threaded hole to realize the connection between the bearing bushing 200 and the housing 100. When disassembling, the bolt 220 is unscrewed, and the bearing bushing 200 is removed from one side of the right side plate 130.

[0049] Optionally, a pressing plate 140 is further provided on the outer side of the annular folding edge 210, and a bolt 220 passes through the pressing plate 140 and the annular folding edge 210 and is screwed and fixed to the left side plate 110, and the bolt 220 presses the pressing plate 140 and the annular folding edge 210 together on the left side plate 110. By providing the pressing plate 140, the pressing plate 140 can position one of the multiple support bearings 400, so that the structure of the bearing bushing 200 can be simplified, the complexity of the bearing bushing 200 can be reduced, and the processing and manufacturing of the bearing bushing 200 can be facilitated.

[0050] Please combine Figure 1 Furthermore, an annular oil inlet groove 201 and a plurality of oil inlet holes 202 communicating with the annular oil inlet groove 201 are provided on the peripheral wall of the bearing bushing 200, and the plurality of oil inlet holes 202 are arranged at intervals in the circumferential direction of the annular oil inlet groove 201. By providing the annular oil inlet groove 201 and the oil inlet holes 202, during operation, dry oil or thin oil can be input into the annular oil inlet groove 201 by using the oil delivery pipe 820, and then input into the bearing bushing 200 from the oil inlet holes 202, so as to lubricate the bearing between the bearing bushing 200 and the output shaft 300.

[0051] Please combine Figure 1 and Figure 3In this embodiment, optionally, the output shaft 300 passes through the right side plate 130 and is arranged in the bearing bushing 200. The right side plate 130 may be provided with a bearing that matches the output shaft 300. When disassembling, the bearing may move with the output shaft 300, that is, when the right side plate 130 is opened, the bearing may remain on the output shaft 300. A plurality of support bearings 400 may be arranged between the output shaft 300 and the bearing bushing 200, which can improve the stability of the support. For example, in this embodiment, the number of the support bearings 400 is three, two of which are located between the bearing bushing 200 and the output shaft 300, and another support bearing 400 is located between the pressure plate 140 and the output shaft 300. The support bearings 400 may be rolling bearings or angular bearings, etc.

[0052] Further, the output shaft 300 is provided with an assembly hole 310, and an anti-rotation groove and a fixing hole penetrating the bottom wall of the anti-rotation groove are provided on the hole wall of the assembly hole 310, and a flat key 320 is embedded in the anti-rotation groove, and the flat key 320 and the anti-rotation groove are relatively fixed in the circumferential direction of the output shaft 300. A locking member 340 is installed in the fixing hole, and the locking member 340 is screwed and fixed with the flat key 320. The number of anti-rotation grooves can be multiple, and each anti-rotation groove can position a flat key 320. Multiple anti-rotation grooves can be arranged at intervals in the circumferential direction of the assembly hole 310. For example, in this embodiment, the number of anti-rotation grooves is two, the number of flat keys 320 is two, and the two anti-rotation grooves are arranged axially symmetrically. Similarly, the two flat keys 320 are arranged axially symmetrically. The multiple flat keys 320 are used to coordinate and position the shaft head to improve the firmness of the combination.

[0053] Please combine Figure 1 Furthermore, the outer peripheral surface of the output shaft 300 includes a plane portion 330, one end of the fixing hole is located on the plane portion 330, and the locking member 340 includes a connected screw and an end cap, the screw is inserted into the fixing hole and is screwed with the flat key 320, and the end cap fits the plane portion 330. The end cap of the locking member 340 contacts the plane portion 330, and when the locking member 340 rotates and fixes the flat key 320, the end cap of the locking member 340 has a large contact area with the plane portion 330, is not easy to slip or wear out, and has a good locking effect.

[0054] It should be understood that each flat key 320 can be fixed by a plurality of locking members 340 .

[0055] Please combine Figure 1In this embodiment, optionally, a first connecting flange 510 is provided on the base 500, and a second connecting flange 150 is provided on the box body 100. The first connecting flange 510 and the second connecting flange 150 are fixedly connected by fastening bolts 220. A first pin hole is provided on the first connecting flange 510, and a second pin hole is provided on the box body 100. The first pin hole is connected to the second pin hole. A positioning pin shaft 520 is inserted into the connected first pin hole and the second pin hole. The positioning pin shaft 520 is transitionally matched with the first pin hole and the second pin hole at the same time. The box body 100 and the base 500 are fixedly connected by fastening bolts 220. The fastening bolts 220 have good axial force and can limit the axial freedom of the base 500 and the box body 100. However, due to the structural limitation of the fastening bolts 220, the radial force effect is poor, and it is easy to wear after long-term use, resulting in shaking of the base 500 and the box body 100, which affects the motor 600 to transmit power to the gear transmission mechanism 700. Therefore, a positioning pin 520 is added between the box body 100 and the base 500. The positioning pin 520 can bear a large radial force, thereby preventing the box body 100 and the base 500 from moving relative to each other in the radial direction of the fastening bolt 220. The motor 600 and the gear transmission mechanism 700 have high coaxiality, which is conducive to torque transmission.

[0056] Please combine Figure 1 and Figure 2 In this embodiment, the cone roller reducer assembly may further include a lubricating mechanism 800 and a cooling mechanism 900. The lubricating mechanism 800 is installed on the housing 100 or the base 500. The lubricating mechanism 800 is used to circulate the lubricating oil in the housing 100. The cooling mechanism 900 is connected to the housing 100 or the base 500 and is used to cool the lubricating oil delivered to the outside of the housing 100 through the lubricating mechanism 800. The heat generated during the operation of the gear transmission mechanism 700 is taken away by the lubricating oil delivered by the lubricating mechanism 800, which plays a role in heat dissipation. The heated lubricating oil can be returned to the housing 100 again after being cooled by the cooling mechanism 900 to participate in lubrication and cooling, thereby improving the operating stability of the reducer.

[0057] Optionally, the cooling mechanism 900 includes a bracket 910 and a cooling fan 920, the bracket 910 is connected to the base 500, and the cooling fan 920 is installed on the bracket 910; the lubricating mechanism 800 includes an oil pump 810, an oil delivery pipe 820, an oil return tank 830, and an oil return pipe 840. The oil pump 810 is installed on the box body 100, the two ends of the oil delivery pipe 820 are respectively connected to the box body 100 and the oil return tank 830, the two ends of the oil return pipe 840 are respectively connected to the box body 100 and the oil return tank 830, the oil return tank 830 is installed on the base 500, and the cooling fan 920 is used to blow air to the oil return tank 830. The lubricating oil is air-cooled by the cooling fan 920, and the cold zone fan 920 has a simple and compact structure, occupies a small space, and is easy to install. During operation, the lubricating oil liquid involved in lubrication and heat dissipation leaves the housing 100 from the oil delivery pipe 820 and enters the oil return tank 830, and then enters the housing 100 from the oil return pipe 840 after being cooled, and circulates.

[0058] In this embodiment, optionally, the gear transmission mechanism 700 includes an input gear shaft 710, a transmission gear 720, an intermediate gear shaft 730 and an output gear 740. The input gear shaft 710 is rotatably matched with the housing 100. Specifically, the input gear shaft 710 is rotatably matched with the left plate 110 and the right plate 130 through two bearings. The motor 600 is connected to the input gear shaft 710, and the motor 600 can be fixed to the base 500 by bolts 220. The transmission gear 720 is sleeved on the outside of the intermediate gear shaft 730, and the intermediate gear shaft 730 is rotatably connected with the housing 100. The intermediate gear shaft 730 is rotatably connected with the left plate 110 and the right plate 130 through two bearings. The input gear shaft meshes with the transmission gear 720; the output gear 740 is sleeved on the outside of the output shaft 300, and the output gear 740 meshes with the intermediate gear shaft 730. After the motor 600 is started, the torque is transmitted to the input gear shaft 710, and then the torque is transmitted to the output gear 740 through the transmission gear 720. The rotation of the output gear 740 drives the intermediate gear shaft 730 to rotate together, and the intermediate gear shaft 730 transmits the torque to the output shaft 300 to achieve torque output. The torque transmission is smooth and reliable.

[0059] Optionally, in some embodiments, a process hole can be provided on the output gear 740, and an operating tool such as a screwdriver can pass through the process hole and cooperate with the bolt 220, so as to screw the bolt 220, which is easy to operate. By providing a process hole, the screwing of the bolt 220 is satisfied, and the strength of the output gear 740 is not affected, so it is safe to use and easy to disassemble. That is, when the output gear 740 has a larger diameter and blocks the annular folding edge 210, at this time, the output gear 740 blocks the bolt 220 that fixes the annular folding edge 210 and the left side plate 110, and the bolt 220 is exposed through the process hole, which is conducive to screwing the bolt 220. When there are multiple bolts 220, the output gear 740 can be rotated according to needs, and the process holes can be aligned with each bolt 220 one by one, and finally all the multiple bolts 220 can be disassembled.

[0060] The tapered roller reducer assembly provided in this embodiment is easy to disassemble and assemble, convenient to maintain, has stable and reliable torque transmission, and has a long service life.

[0061] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A tapered roller reducer assembly, characterized in that: include: A housing (100), a bearing sleeve (200), an output shaft (300), a support bearing (400), a base (500), a motor (600) and a gear transmission mechanism (700); the bearing sleeve (200) is detachably mounted on the housing (100), the output shaft (300) passes through the housing (100) and is arranged in the bearing sleeve, the support bearing (400) is sleeved on the outside of the output shaft (300) and is installed in the bearing sleeve (200); the base (500) is connected to the housing (100), and the motor (600) is installed on the base (500); the gear transmission mechanism (700) is installed on the housing (100), and the motor (600) is transmission-connected to the output shaft (300) via the gear transmission mechanism (700).

2. The tapered roller reducer assembly according to claim 1, characterized in that: An annular oil inlet groove (201) and a plurality of oil inlet holes (202) connected to the annular oil inlet groove (201) are provided on the peripheral wall of the bearing bushing (200), and the plurality of oil inlet holes (202) are arranged at intervals in the circumferential direction of the annular oil inlet groove (201).

3. The tapered roller reducer assembly according to claim 1, characterized in that: The output shaft (300) is provided with an assembly hole (310), the hole wall of the assembly hole (310) is provided with an anti-rotation groove and a fixing hole penetrating the bottom wall of the anti-rotation groove, a flat key (320) is embedded in the anti-rotation groove, and the flat key (320) and the anti-rotation groove are relatively fixed in the circumferential direction of the output shaft (300); a locking piece (340) is installed in the fixing hole, and the locking piece (340) is screwed and fixed to the flat key (320).

4. The tapered roller reducer assembly according to claim 3 is characterized in that: The outer peripheral surface of the output shaft (300) includes a plane portion (330), one end of the fixing hole is located on the plane portion (330), and the locking member (340) includes a connected screw rod and an end cap, the screw rod is inserted into the fixing hole and is threadedly connected to the flat key (320), and the end cap is in contact with the plane portion (330).

5. The tapered roller reducer assembly according to claim 3 is characterized in that: There are a plurality of the flat keys (320), and the plurality of the flat keys (320) are arranged at intervals in the circumferential direction of the assembly hole (310).

6. The tapered roller reducer assembly according to claim 1, characterized in that: The base (500) is provided with a first connecting flange (510), and the box body (100) is provided with a second connecting flange (150), and the first connecting flange (510) and the second connecting flange (150) are fixedly connected by fastening bolts (220).

7. The tapered roller reducer assembly according to claim 6, characterized in that: The first connecting flange (510) is provided with a first pin hole, and the box body (100) is provided with a second pin hole. The first pin hole is connected to the second pin hole. A positioning pin shaft (520) is passed through the connected first pin hole and the second pin hole. The positioning pin shaft (520) is transitionally matched with the first pin hole and the second pin hole at the same time.

8. The tapered roller reducer assembly according to claim 1, characterized in that: The tapered roller reducer assembly further comprises a lubrication mechanism (800) and a cooling mechanism (900); the lubrication mechanism (800) is mounted on the housing (100) or the base (500), and the lubrication mechanism (800) is used to allow lubricating oil to circulate in the housing (100); and the cooling mechanism (900) is connected to the housing (100) or the base (500) and is used to cool the lubricating oil transported to the outside of the housing (100) through the lubrication mechanism (800).

9. The tapered roller reducer assembly according to claim 8, characterized in that: The cooling mechanism (900) comprises a bracket (910) and a cooling fan (920); the bracket (910) is connected to the base (500), and the cooling fan (920) is installed on the bracket (910); the lubricating mechanism (800) comprises an oil pump (810), an oil delivery pipe (820), an oil return tank (830) and an oil return pipe (840); the oil pump (810) is installed on the box body (100), the two ends of the oil delivery pipe (820) are respectively connected to the box body (100) and the oil return tank (830), the two ends of the oil return pipe (840) are respectively connected to the box body (100) and the oil return tank (830), the oil return tank (830) is installed on the base (500), and the cooling fan (920) is used to blow wind toward the oil return tank (830).

10. The tapered roller reducer assembly according to claim 1, characterized in that: The gear transmission mechanism (700) comprises an input gear shaft (710), a transmission gear (720), an intermediate gear shaft (730) and an output gear (740); the input gear shaft (710) is rotatably matched with the housing (100), and the motor (600) is connected to the input gear shaft (710); The transmission gear (720) is sleeved on the outside of the intermediate gear shaft (730), the intermediate gear shaft (730) is rotatably connected to the housing (100), and the input gear shaft is meshed with the transmission gear (720); the output gear (740) is sleeved on the outside of the output shaft (300), and the output gear (740) is meshed with the intermediate gear shaft (730).

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