Flange split type reversing reduction gearbox

Abstract

The utility model relates to a flange split type reversing reduction gearbox which is characterized in that a vertical input shaft is arranged in a bearing seat; the box body is arranged at the top of the bearing seat, and a horizontal output shaft is arranged in the box body; the input spiral umbrella is fixed to the top of the input shaft. The output shaft is fixedly sleeved with the output spiral umbrella, and the output spiral umbrella is meshed with the input spiral umbrella. The first connecting flange is connected with the end part of the box body; the second connecting flange connected with the output component is detachably connected with the first connecting flange through a fastener, and the first connecting flange and the second connecting flange are coaxially arranged; a split connecting mode is adopted, that is, the first connecting flange is connected with the box body, the second connecting flange is connected with the output component, and the first connecting flange and the second connecting flange are connected through the fastener, so that after the specification of the output component is changed, only the fastener needs to be disassembled, the first connecting flange and the second connecting flange are separated, and the output component can be assembled and disassembled. After separation is completed, the first connecting flange of the other specification is replaced; therefore, the reduction gearbox is connected with the output component.

Description

Technical Field

[0001] The utility model relates to the field of transmission, in particular to a flange split type reversing reduction box. Background Art

[0002] The reduction gearbox is connected to the output component and transmits power to the output component through the output shaft. The reduction gearbox and the output component are often connected by an integrated flange. When the specifications of the output component change, the integrated connection flange also needs to be replaced accordingly. The removal of the flange will affect the accurate positioning of the components in the original reduction gearbox body.

[0003] In summary, how to connect the reduction gearbox with the output component has become an urgent problem that researchers in this field need to solve. Utility Model Content

[0004] The technical problem to be solved by the utility model is: how to realize the connection between the reduction box and the output component;

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] The utility model is a flange-split reversing reduction gearbox, comprising: a bearing seat, in which a vertical input shaft is arranged; a housing, which is arranged on the top of the bearing seat and in which a horizontal output shaft is arranged; an input spiral bezel, which is fixed to the top of the input shaft; an output spiral bezel, which is sleeved and fixed on the output shaft and meshes with the input spiral bezel; a first connecting flange, which is connected to the end of the housing; a second connecting flange connected to the output component, which is detachably connected to the first connecting flange by a fastener, wherein the first connecting flange and the second connecting flange are coaxially arranged;

[0007] Compared with the traditional integrated flange connection method, this solution adopts a split connection method, that is, the first connecting flange is connected to the box body, and the second connecting flange is connected to the output component. The first connecting flange and the second connecting flange are connected by fasteners. In this way, when the specifications of the output component change, it is only necessary to remove the fasteners, separate the first connecting flange and the second connecting flange, and then replace the first connecting flange with another specification after separation; in this way, the connection between the reduction gearbox and the output component is realized.

[0008] In this solution, the output shaft and the housing are connected by a tapered roller bearing. In order to achieve the positioning of the tapered roller bearing, the utility model uses a screw to pass through the bearing seat from bottom to top and simultaneously be threadedly connected to the housing and the outer ring of the tapered roller bearing.

[0009] The screws connect the housing and the bearing seat and can also securely connect the outer ring of the tapered roller bearing to the housing, preventing the outer ring of the tapered roller bearing from moving within the housing.

[0010] In order to provide a mounting position for the outer ring of the tapered roller bearing, the utility model adopts a method of setting a first step surface on the inner ring of the housing; the outer ring of the tapered roller bearing matches the first step surface;

[0011] The first step surface provides a mounting position for the outer ring of the tapered roller bearing.

[0012] In order to achieve the positioning of the inner ring of the tapered roller bearing, the utility model adopts a limit nut provided on the output shaft, and the limit nut abuts against the end face of the inner ring of the tapered roller bearing;

[0013] The limiting nut is fixed to the output shaft and abuts against the inner ring of the tapered roller bearing. In this way, the axial movement of the tapered roller bearing is limited by the cooperation between the limiting nut and the first step surface.

[0014] In order to illustrate the sealing between the first connecting flange and the box body, the utility model adopts a second step surface on the inner ring of the box body; the inner ring of the skeleton oil seal abuts against the limit nut, and the outer ring of the oil seal skeleton abuts against the second step surface;

[0015] The second step surface provides the installation position of the skeleton oil seal, and the skeleton oil seal contacts the limit nut to prevent leakage of lubricating oil. In order to limit the axial movement of the oil seal skeleton, the utility model adopts the inner side surface of the first connecting flange to abut against the outer side of the oil seal skeleton.

[0016] In this way, the oil seal skeleton is limited at the first connecting flange and the second step surface, thereby limiting the axial movement of the skeleton oil seal.

[0017] In order to ensure that the axis of the first connecting flange is collinear with the axis of the output shaft when connected, the utility model adopts a centering groove provided on the outer peripheral wall of the end of the box body; the output end face of the first connecting flange is provided with a centering protrusion matching the centering groove;

[0018] Since the axis of the box body is collinear with the axis of the output shaft, the matching of the centering groove and the centering protrusion enables the axis of the first connecting flange and the output shaft to be collinear.

[0019] The beneficial effects of the present invention: The present invention is a flange-split reversing reducer. Compared with the traditional integrated flange connection method, this solution adopts a split connection method, that is, the first connecting flange is connected to the box body, and the second connecting flange is connected to the output component. The first connecting flange and the second connecting flange are connected by fasteners. In this way, when the specifications of the output component change, it is only necessary to remove the fasteners, separate the first connecting flange and the second connecting flange, and then replace the first connecting flange with another specification after the separation is completed; in this way, the connection between the reducer and the output component is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Figure 1 It is a structural diagram of the utility model;

[0022] Figure 2 It is a structural diagram of the box;

[0023] In the figure: 1-bearing seat, 2-input shaft, 3-housing, 4-output shaft, 5-input nut, 6-output nut, 7-first connecting flange, 8-second connecting flange, 9-fastener, 10-screw, 11-tapered roller bearing, 12-first step surface, 13-limiting nut, 14-second step surface, 15-skeleton oil seal, 16-centering groove, 17-centering protrusion. DETAILED DESCRIPTION

[0024] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0025] like Figure 1-2 As shown, the utility model is a flange-split reversing reduction gearbox, comprising: a bearing seat 1, in which a vertical input shaft 2 is arranged; a housing 3, which is arranged on the top of the bearing seat 1 and in which a horizontal output shaft 4 is arranged; an input spiral bead 5, which is fixed to the top of the input shaft 2; an output spiral bead 6, which is sleeved and fixed on the output shaft 4 and meshes with the input spiral bead 6; a first connecting flange 7, which is connected to the end of the housing 3; a second connecting flange 8 connected to the output component, which is detachably connected to the first connecting flange 7 by a fastener 9, wherein the first connecting flange 7 and the second connecting flange 8 are coaxially arranged;

[0026] Compared with the traditional integrated flange connection method, this solution adopts a split connection method, that is, the first connecting flange is connected to the box body, and the second connecting flange is connected to the output component. The first connecting flange and the second connecting flange are connected by fasteners. In this way, when the specifications of the output component change, it is only necessary to remove the fasteners, separate the first connecting flange and the second connecting flange, and then replace the first connecting flange with another specification after separation; in this way, the connection between the reduction gearbox and the output component is realized.

[0027] like Figure 1-2 As shown, in this solution, a tapered roller bearing is used to connect the output shaft and the housing. In order to achieve the positioning of the tapered roller bearing, the utility model uses a screw 10 to pass through the bearing seat 1 from bottom to top and simultaneously be threadedly connected with the housing 3 and the outer ring of the tapered roller bearing 11;

[0028] The screws connect the housing and the bearing seat and can also securely connect the outer ring of the tapered roller bearing to the housing, preventing the outer ring of the tapered roller bearing from moving within the housing.

[0029] like Figure 1-2 As shown, in order to provide a mounting position for the outer ring of the tapered roller bearing, the utility model adopts a first step surface 12 provided on the inner ring of the housing 3; the outer ring of the tapered roller bearing 11 matches the first step surface 12;

[0030] The first step surface provides a mounting position for the outer ring of the tapered roller bearing.

[0031] like Figure 1-2 As shown, in order to achieve the positioning of the inner ring of the tapered roller bearing, the utility model adopts a limit nut 13 provided on the output shaft 4, and the limit nut 13 abuts against the end face of the inner ring of the tapered roller bearing 11;

[0032] The limiting nut is fixed to the output shaft and abuts against the inner ring of the tapered roller bearing. In this way, the axial movement of the tapered roller bearing is limited by the cooperation between the limiting nut and the first step surface.

[0033] like Figure 1-2 As shown, in order to illustrate the sealing between the first connecting flange and the box body, the utility model adopts a second step surface 14 on the inner ring of the box body 3; the inner ring of the skeleton oil seal 15 abuts against the limiting nut 13, and the outer ring of the oil seal skeleton 15 abuts against the second step surface 14;

[0034] The second step surface provides the installation position of the skeleton oil seal, and the skeleton oil seal contacts the limit nut to prevent leakage of lubricating oil. In order to limit the axial movement of the oil seal skeleton, the utility model adopts the inner side surface of the first connecting flange to abut against the outer side of the oil seal skeleton.

[0035] In this way, the oil seal skeleton is limited at the first connecting flange and the second step surface, thereby limiting the axial movement of the skeleton oil seal.

[0036] like Figure 1-2 As shown, in order to ensure that the axis of the first connecting flange is collinear with the axis of the output shaft when connected, the utility model adopts a centering groove 16 provided on the outer peripheral wall of the end of the box body 3; the output end surface of the first connecting flange 7 is provided with a centering protrusion 17 that matches the centering groove 16;

[0037] Since the axis of the box body is collinear with the axis of the output shaft, the matching of the centering groove and the centering protrusion enables the axis of the first connecting flange and the output shaft to be collinear.

[0038] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. A flange split reversing reduction gearbox, characterized in that: include: a bearing housing in which a vertical input shaft is disposed; a box body, which is arranged on the top of the bearing seat and has a horizontal output shaft arranged therein; An input nut, fixed to the top of the input shaft; An output spiral bezel is sleeved and fixed on the output shaft and meshes with the input spiral bezel; a first connecting flange connected to an end of the box; The second connecting flange connected to the output component is detachably connected to the first connecting flange via fasteners, wherein the first connecting flange and the second connecting flange are coaxially arranged.

2. The flange-split reversing reduction gearbox according to claim 1, characterized in that: The output shaft and the housing are connected by a tapered roller bearing; The screw passes through the bearing seat from bottom to top and is threadedly connected with the box body and the outer ring of the tapered roller bearing.

3. The flange-split reversing reduction gearbox according to claim 2, characterized in that: A first step surface is provided at the inner circle of the box body; The outer ring of the tapered roller bearing matches the first step surface.

4. The flange-split reversing reduction gearbox according to claim 3, characterized in that: A limiting nut is provided on the output shaft, and the limiting nut abuts against the inner ring end surface of the tapered roller bearing.

5. The flange-split reversing reduction gearbox according to claim 4, characterized in that: A second step surface is provided on the inner circle of the box; The inner ring of the skeleton oil seal abuts against the limiting nut, and the outer ring of the skeleton oil seal abuts against the second step surface; The inner side surface of the first connecting flange abuts against the outer side of the skeleton oil seal.

6. The flange-split reversing reduction gearbox according to claim 5, characterized in that: A centering groove is provided on the outer peripheral wall of the end of the box body; The output end surface of the first connecting flange is provided with a centering protrusion matching the centering groove.

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