Gear box

Abstract

The utility model relates to the technical field of gear boxes, and particularly discloses a gear box which comprises a box body, a gear ring, a reinforcing component, a first connecting piece, a second connecting piece and a third connecting piece. The box body is provided with a first connecting part and a second connecting part which are oppositely arranged; the gear ring is arranged between the first connecting part and the second connecting part; the reinforcing component is arranged on the inner ring or the outer ring of the gear ring; the edge, close to the first connecting part and / or the edge, close to the second connecting part, of the gear ring is provided with a reinforcing component. The first connecting piece is connected with the first connecting part and the gear ring, and the second connecting piece is connected with the second connecting part and the gear ring; and the third connecting piece is connected with the first connecting part and the reinforcing member, and / or the third connecting piece is connected with the second connecting part and the reinforcing member. By arranging the additional reinforcing component and the third connecting piece, the torque transmission capacity between the gear ring and the box body can be enhanced, so that the requirement of higher torque transmission capacity between the gear ring and the box body is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear box technical field especially relates to a gear box. BACKGROUND

[0002] Gear box is a kind of basic transmission device, is widely used in various mechanical equipment, mainly for transmission and conversion power.In planetary gear structure, between gear ring and box, generally through bolt and pin realizes the torque transmission between the cooperation face of both, with the extreme pursuit of high torque density and light weight of megawatt gear box, in the case where the outer diameter size of gear box has been limit compression, bolt and pin on gear ring have also been full, but the gear box in the prior art cannot meet the requirement of higher transmission torque between the cooperation face of gear ring and box, and further causes the influence to the reliability of torque transmission.

[0003] Therefore, there is an urgent need for a gear box to solve the above technical problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of gear box, to solve the problem that the gear box in prior art cannot meet the requirement of higher transmission torque between the cooperation face of gear ring and box, and further causes the influence to the reliability of torque transmission.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of gear box, comprising:

[0007] Box, the box has oppositely arranged first connecting part and second connecting part;

[0008] Gear ring, the gear ring is located between the first connecting part and the second connecting part;

[0009] Reinforcing member, the reinforcing member is located in the inner ring or outer ring of the gear ring;The edge of the gear ring close to the first connecting part and / or the edge of the gear ring close to the second connecting part is provided with the reinforcing member;

[0010] First connecting piece and second connecting piece, the first connecting piece connects the first connecting part with the gear ring, and the second connecting piece connects the second connecting part with the gear ring;

[0011] Third connecting piece, the third connecting piece connects the first connecting part with the reinforcing member, and / or the third connecting piece connects the second connecting part with the reinforcing member.

[0012] As an alternative to the above-mentioned gear box, the third connecting piece is a bolt structure, the first connecting part and / or the second connecting part is provided with a third mounting hole, the reinforcing member is provided with a third threaded groove, and the third connecting piece can be threadedly connected to the third threaded groove through the third mounting hole.

[0013] As an alternative to the above-mentioned gear box, the third connecting piece is a bolt structure, the first connecting part and / or the second connecting part is provided with a third mounting hole, the reinforcing member is provided with a third threaded groove, and the third connecting piece can be threadedly connected to the third threaded groove through the third mounting hole.

[0014] As an alternative to the above-mentioned gear box, the third connecting piece is a bolt structure, the first connecting part and / or the second connecting part is provided with a third mounting hole, the reinforcing member is provided with a third threaded groove, and the third connecting piece can be threadedly connected to the third threaded groove through the third mounting hole.

[0015] As an alternative to the above-mentioned gear box, the third connecting piece is a bolt structure, the first connecting part and / or the second connecting part is provided with a third mounting hole, the reinforcing member is provided with a third threaded groove, and the third connecting piece can be threadedly connected to the third threaded groove through the third mounting hole.

[0016] As an alternative to the above-mentioned gear box, the third connecting piece is a bolt structure, the first connecting part and / or the second connecting part is provided with a third mounting hole, the reinforcing member is provided with a third threaded groove, and the third connecting piece can be threadedly connected to the third threaded groove through the third mounting hole.

[0017] As an alternative to the above-mentioned gear box, the third connecting piece is a bolt structure, the first connecting part and / or the second connecting part is provided with a third mounting hole, the reinforcing member is provided with a third threaded groove, and the third connecting piece can be threadedly connected to the third threaded groove through the third mounting hole.

[0018] As an alternative to the above-mentioned gear box, the third connecting piece is a bolt structure, the first connecting part and / or the second connecting part is provided with a third mounting hole, the reinforcing member is provided with a third threaded groove, and the third connecting piece can be threadedly connected to the third threaded groove through the third mounting hole.

[0019] As an alternative to the above-mentioned gear box, the third connecting piece is a bolt structure, the first connecting part and / or the second connecting part is provided with a third mounting hole, the reinforcing member is provided with a third threaded groove, and the third connecting piece can be threadedly connected to the third threaded groove through the third mounting hole.

[0020] As an alternative to the above-mentioned gear box, the reinforcing member is integrally formed with the gear ring.

[0021] The utility model discloses the beneficial effects are:

[0022] The gear box includes a box body, a gear ring, a reinforcing member, a first connecting piece, a second connecting piece and a third connecting piece. The box body has a first connecting portion and a second connecting portion arranged oppositely, the gear ring is arranged between the first connecting portion and the second connecting portion, the first connecting piece connects the first connecting portion and the gear ring, and the second connecting piece connects the second connecting portion and the gear ring, so that the gear ring and the box body can be fixed through the first connecting piece and the second connecting piece, and torque transmission between the gear ring and the box body can be realized. The reinforcing member is arranged on the edge of the gear ring close to the first connecting portion and / or the edge of the gear ring close to the second connecting portion, and the third connecting piece connects the first connecting portion and the reinforcing member and / or the second connecting portion and the reinforcing member, so that the torque transmission capacity between the gear ring and the box body can be enhanced through the additional reinforcing member and the third connecting piece, the requirement of higher torque transmission capacity between the gear ring and the box body is met, and the reliability of torque transmission is improved. The reinforcing member is arranged on the inner ring of the gear ring, so that the reinforcing member is connected to the box body from the inner ring of the gear ring, and thus the outer diameter of the box body does not need to be increased, and the outer diameter of the box body is not affected. Alternatively, the reinforcing member is arranged on the outer ring of the gear ring, so that the reinforcing member is connected to the box body from the outer ring of the gear ring, and thus the actual working condition requirement is met. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model discloses a first gear box provided by the embodiment of the utility model for the cross section view;

[0024] Figure 2 The utility model discloses a second gear box provided by the embodiment of the utility model for the cross section view;

[0025] Figure 3 The utility model discloses a third gear box provided by the embodiment of the utility model for the cross section view;

[0026] Figure 4 The utility model discloses a fourth gear box provided by the embodiment of the utility model for the cross section view.

[0027] In the drawings:

[0028] 1, box body;11, first connecting portion;111, first mounting hole;112, third mounting hole;113, first limiting groove;114, third limiting groove;12, second connecting portion;121, second mounting hole;122, fourth mounting hole;2, gear ring;21, first threaded groove;22, second threaded groove;23, fourth threaded groove;24, fourth limiting groove;3, reinforcing member;31, third threaded groove;32, second limiting groove;4, first connecting piece;5, second connecting piece;6, third connecting piece. DETAILED DESCRIPTION

[0029] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0030] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and moreover, the "above", "above" and "above" of the first feature relative to the second feature include the vertical direction of the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature relative to the second feature include the vertical direction of the first feature below and obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0031] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0033] As shown in Figures 1-4 The present embodiment provides a gear box, which comprises a box body 1, a gear ring 2, a reinforcing member 3, a first connecting piece 4, a second connecting piece 5 and a third connecting piece 6.

[0034] The box 1 has a first connecting part 11 and a second connecting part 12 arranged oppositely, the ring gear 2 is arranged between the first connecting part 11 and the second connecting part 12, the first connecting part 11 and the ring gear 2 are connected by the first connecting piece 4, and the second connecting part 12 and the ring gear 2 are connected by the second connecting piece 5, so that the ring gear 2 and the box 1 can be fixed by the first connecting piece 4 and the second connecting piece 5, and the torque transmission between the ring gear 2 and the box 1 can be realized. Specifically, the first connecting piece 4 and the second connecting piece 5 are arranged in plurality, and the plurality of first connecting pieces 4 and the plurality of second connecting pieces 5 are arranged along the circumference of the ring gear 2, so that the plurality of first connecting pieces 4 can be fixed with the first connecting part 11 along the circumference of the ring gear 2, and the plurality of second connecting pieces 5 can be fixed with the second connecting part 12 along the circumference of the ring gear 2, so as to improve the connection stability and the torque transmission capacity.

[0035] The ring gear 2 is provided with a reinforcing member 3 near the edge of the first connecting part 11 and / or the edge of the second connecting part 12, and the first connecting part 11 and the reinforcing member 3 are connected by the third connecting piece 6, and / or the second connecting part 12 and the reinforcing member 3 are connected by the third connecting piece 6, so that by arranging the additional reinforcing member 3 and the third connecting piece 6, the torque transmission capacity between the ring gear 2 and the box 1 can be enhanced, so as to meet the higher torque transmission capacity requirement between the two, and the reliability of torque transmission is improved. Optionally, the reinforcing member 3 is welded to the ring gear 2.

[0036] The reinforcing member 3 is arranged on the inner ring of the ring gear 2, so that the reinforcing member 3 is connected to the box 1 from the inner ring of the ring gear 2, so that the outer diameter of the box 1 does not need to be increased, and therefore the outer diameter of the box 1 is not affected, or the reinforcing member 3 is arranged on the outer ring of the ring gear 2, so that the reinforcing member 3 is connected to the box 1 from the outer ring of the ring gear 2, so as to meet the actual working condition requirement. Optionally, the reinforcing member 3 is integrally formed with the ring gear 2, so that the ring gear 2 and the reinforcing member 3 are directly integrally formed in the manufacturing process, so as to avoid subsequent complicated welding and reduce the process. Further optionally, the inner ring of the ring gear 2 is provided with an inner tooth.

[0037] In an embodiment, as shown in Figure 1 , Figure 2 and Figure 4 , the third connecting piece 6 is a bolt structure, the first connecting part 11 and / or the second connecting part 12 is provided with a third mounting hole 112, the reinforcing member 3 is provided with a third threaded groove 31, and the third connecting piece 6 can be threadedly connected to the third threaded groove 31 through the third mounting hole 112, so that by cooperation of the bolt structure and the third threaded groove 31, the reinforcing member 3 and the box 1 can be detachably fixed, and the torque can be transmitted. In another embodiment, as shown in Figure 3As shown, the third connecting piece 6 is a bolt structure, the first connecting part 11 and / or the second connecting part 12 is provided with a first limiting slot 113, the reinforcing member 3 is provided with a second limiting slot 32, and the two ends of the third connecting piece 6 are respectively inserted into the first limiting slot 113 and the second limiting slot 32, so that the bolt structure is matched with the first limiting slot 113 and the second limiting slot 32 respectively, and the bolt connection between the reinforcing member 3 and the box body 1 is realized, so as to transmit the torque.

[0038] In an embodiment, as shown in the first connecting piece 4 and the second connecting piece 5 are both bolt structures, the first connecting part 11 is provided with a first mounting hole 111, the second connecting part 12 is provided with a second mounting hole 121, and the gear ring 2 is provided with a first threaded groove 21 and a second threaded groove 22 on opposite sides respectively. Figures 1-3 The first connecting piece 4 can be threadedly connected to the first threaded groove 21 through the first mounting hole 111, and the second connecting piece 5 can be threadedly connected to the second threaded groove 22 through the second mounting hole 121, so that the bolt structure is matched with the first threaded groove 21 and the second threaded groove 22 respectively, and the detachable fixing of the gear ring 2 and the box body 1 is realized, so as to facilitate the installation and maintenance of the gear box and prolong the service life of the gear box.

[0039] In another embodiment, as shown in the first connecting piece 4 and the second connecting piece 5 are both bolt structures, the first connecting part 11 and the second connecting part 12 are both provided with a fourth mounting hole 122, and the gear ring 2 is provided with a fourth threaded groove 23 and a fourth limiting slot 24 on opposite sides respectively. Figure 4 One of the first connecting piece 4 and the second connecting piece 5 is a bolt structure, and the other is a bolt structure; one of the first connecting part 11 and the second connecting part 12 is provided with a fourth mounting hole 122, and the other is provided with a third limiting slot 114; the gear ring 2 is provided with a fourth threaded groove 23 and a fourth limiting slot 24 on opposite sides respectively.

[0040] In an embodiment, the reinforcing member 3 is provided with a plurality of reinforcing members 3 which are arranged along the circumference of the gear ring 2 at intervals, and the plurality of reinforcing members 3 are correspondingly connected with a plurality of third connecting members 6, so that the gear ring 2 can transmit torque through the additional plurality of reinforcing members 3 and the plurality of third connecting members 6, thereby improving the torque transmission capacity. In another embodiment, the reinforcing member 3 is in an annular structure, and the third connecting member 6 is provided with a plurality of third connecting members 6 which are arranged along the circumference of the gear ring 2 at intervals, so that the gear ring 2 can transmit torque through the annular reinforcing member 3 and the plurality of third connecting members 6, thereby improving the torque transmission capacity. Optionally, the reinforcing member 3 is a flange piece, which has high strength and good compatibility, can be connected with or integrally formed with the gear ring 2, and realizes transmission of high load.

[0041] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not intended to limit the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claims.

Claims

1. A gear box, characterized in that, The application relates to a box body (1) comprising: a first connecting part (11) and a second connecting part (12) arranged oppositely; a gear ring (2) arranged between the first connecting part (11) and the second connecting part (12); a reinforcing member (3) arranged at an inner ring or an outer ring of the gear ring (2); the edge of the gear ring (2) close to the first connecting part (11) and / or the edge of the gear ring (2) close to the second connecting part (12) is provided with the reinforcing member (3); a first connecting piece (4) connecting the first connecting part (11) and the gear ring (2) and a second connecting piece (5) connecting the second connecting part (12) and the gear ring (2); a third connecting piece (6) connecting the first connecting part (11) and the reinforcing member (3) and / or the third connecting piece (6) connecting the second connecting part (12) and the reinforcing member (3).

2. The gear case of claim 1, wherein, The third connecting piece (6) is in the form of a bolt structure, the first connecting part (11) and / or the second connecting part (12) is provided with a third mounting hole (112), the reinforcing member (3) is provided with a third threaded groove (31), and the third connecting piece (6) can be threadedly connected to the third threaded groove (31) through the third mounting hole (112).

3. The gear case of claim 1, wherein, The third connecting piece (6) is in the form of a bolt structure, the first connecting part (11) and / or the second connecting part (12) is provided with a third mounting hole (112), the reinforcing member (3) is provided with a third threaded groove (31), and the third connecting piece (6) can be threadedly connected to the third threaded groove (31) through the third mounting hole (112).

4. The gear case of claim 1, wherein, The third connecting piece (6) is in the form of a bolt structure, the first connecting part (11) and / or the second connecting part (12) is provided with a third mounting hole (112), the reinforcing member (3) is provided with a third threaded groove (31), and the third connecting piece (6) can be threadedly connected to the third threaded groove (31) through the third mounting hole (112). The first connecting piece (4) and the second connecting piece (5) are both in the form of a bolt structure, the first connecting part (11) is provided with a first mounting hole (111), the second connecting part (12) is provided with a second mounting hole (121), the gear ring (2) is provided with a first threaded groove (21) and a second threaded groove (22) at opposite sides, the first connecting piece (4) can be threadedly connected to the first threaded groove (21) through the first mounting hole (111), and the second connecting piece (5) can be threadedly connected to the second threaded groove (22) through the second mounting hole (121).

5. The gear case of claim 1, wherein, One of the first connecting piece (4) and the second connecting piece (5) is a bolt structure, and the other is a bolt structure; one of the first connecting part (11) and the second connecting part (12) is provided with a fourth mounting hole (122), and the other is provided with a third limiting groove (114), the opposite sides of the gear ring (2) are respectively provided with a fourth threaded groove (23) and a fourth limiting groove (24), one of the first connecting piece (4) and the second connecting piece (5) can be screwed to the fourth threaded groove (23) through the fourth mounting hole (122), and the other end is respectively inserted into the third limiting groove (114) and the fourth limiting groove (24).

6. The gear case of claim 1, wherein, The first connecting piece (4) and the second connecting piece (5) are provided with a plurality of, a plurality of first connecting piece (4) and a plurality of second connecting piece (5) are arranged along the circumference of the gear ring (2) interval.

7. The gear case of claim 1, wherein, The reinforcing member (3) is provided with a plurality of, a plurality of reinforcing member (3) is arranged along the circumference of the gear ring (2) interval, and a plurality of reinforcing member (3) is connected with a plurality of third connecting piece (6) one by one.

8. The gear case of claim 1, wherein, The reinforcing member (3) is an annular structure, the third connecting piece (6) is provided with a plurality of, a plurality of third connecting piece (6) is arranged along the circumference of the gear ring (2) interval.

9. The gear case of claim 8, wherein, The reinforcing member (3) is a flange.

10. A gearbox according to any one of claims 1 to 9, characterised in that, The reinforcing member (3) and the gear ring (2) are integrally formed.

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