Tool for welding connecting shaft and planet carrier plate

Abstract

The utility model provides a tool for welding a connecting shaft and a planet carrier plate. The tool comprises a welding base, a welding positioning disc, a first gland and a second gland. A welding positioning shaft is arranged in the middle of the welding base and used for positioning the connecting shaft. The welding positioning disc is fixedly installed on the welding base and used for supporting the connecting shaft and the planet carrier. The first gland is connected to the welding positioning shaft in a sleeving mode and can press the connecting shaft. The second gland is connected with the welding positioning disc and can press the planet carrier plate. The connecting shaft and the planet carrier plate are accurately positioned and firmly connected, so that the welding precision is improved, and the delivery requirement is met.

Description

Technical Field

[0001] This utility model belongs to the field of welding fixtures, and in particular relates to a fixture for welding connecting shafts and planetary carrier plates. Background Technology

[0002] Distributed planetary carriers are key components of high-precision transmission systems in new energy, wind power, aerospace, and other fields. Connecting shafts and planetary carrier plates are the components of distributed planetary carriers. To assemble a complete distributed planetary carrier, the connecting shafts and planetary carrier plates need to be welded together. As these are precision components, the welding requirements between the connecting shafts and planetary carrier plates are very high. Conventional welding methods cannot meet the factory requirements. Therefore, how to meet the welding requirements between the connecting shafts and planetary carrier plates is an urgent problem to be solved. Utility Model Content

[0003] In view of this, the present invention aims to provide a tooling for welding connecting shafts and planetary carrier plates, which is used to accurately position the connecting shafts and planetary carrier plates and fasten them together, thereby improving welding accuracy and meeting factory requirements.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] A tooling for welding a connecting shaft to a planetary carrier plate, wherein the connecting shaft is an integral structure including a middle cylinder and an outer ring; the outer ring is disposed on the outer wall of the middle cylinder, the planetary carrier plate is an annular structure disposed outside the connecting shaft, and the inner wall of the planetary carrier plate is welded to the outer wall of the outer ring, the weld being a weld seam; the tooling includes a welding base, a welding positioning plate, a first pressure cap, and a second pressure cap;

[0006] The welding base is provided with a welding positioning shaft in the middle, which is used to position the connecting shaft;

[0007] The welding positioning plate is fixedly installed on the welding base, and the welding positioning plate is used to support the connecting shaft and the planetary carrier;

[0008] The first pressure cap is sleeved onto the welding positioning shaft and can press the connecting shaft tightly;

[0009] The second pressure cap is connected to the welding positioning plate and can press the planetary carrier plate.

[0010] Furthermore, the top of the welding positioning shaft is also provided with a positioning fixing bolt; when the connecting shaft is sleeved onto the welding positioning shaft, the outer ring of the connecting shaft rests on the upper end face of the welding positioning plate;

[0011] The first pressure cap is sleeved onto the top of the connecting shaft, and the lower end face of the first pressure rod cooperates with the upper end face of the welding positioning plate to press the outer ring.

[0012] Furthermore, the positioning and fixing bolts pass through the connecting shaft and the first pressure plate in sequence; by screwing the nut into the positioning and fixing bolts, the first pressure plate can be tightened onto the connecting shaft.

[0013] Furthermore, the welding positioning plate is connected to the welding base by bolts, the upper surface of the welding positioning plate is a planar structure, and the planetary carrier plate is placed on the welding positioning plate;

[0014] The lower part of the second pressure cap is provided with internal threads, and the upper circumferential surface of the welding positioning plate is provided with external threads. The second pressure cap and the welding positioning plate can be threadedly connected, and the second pressure cap can press the planetary carrier plate set on the welding positioning plate.

[0015] Furthermore, the inner lower surface of the second pressure cap is provided with a pressing protrusion for contacting the planetary carrier plate.

[0016] Furthermore, there is a gap between the first and second pressure caps, which corresponds to the weld between the connecting shaft and the planetary carrier plate; the welding positioning plate is provided with a clearance groove at the position corresponding to the weld.

[0017] Furthermore, the outer circumferential surface of the second pressure cap is provided with a rotating bolt to assist the rotation of this tooling.

[0018] Compared with the prior art, the tooling for welding connecting shafts and planetary carrier plates described in this utility model has the following advantages:

[0019] The tooling for welding connecting shafts and planetary carrier plates described in this utility model has a simple structure and is easy to operate. It can simultaneously fix the connecting shaft and the planetary carrier plate, improve the welding accuracy between the two, meet the welding requirements of precision parts, and improve product quality. Attached Figure Description

[0020] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0021] Figure 1 This is a schematic diagram of a tooling for welding a connecting shaft to a planetary carrier plate, as described in an embodiment of the present invention.

[0022] Explanation of reference numerals in the attached figures:

[0023] 21. Welded base; 211. Welded positioning shaft; 212. Positioning and fixing bolt; 22. Welded positioning plate; 221. Clearance groove; 23. No. 1 pressure cap; 24. No. 2 pressure cap; 241. Pressing protrusion; 01. Connecting shaft; 011. Middle cylinder part; 012. Outer ring part; 02. Planetary carrier plate. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0025] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0026] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0027] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] The connecting shaft 01 is an integral structure, including a middle cylinder and an outer ring. The outer ring is set on the outer wall of the middle cylinder. The planetary carrier plate 02 is an annular structure and is set outside the connecting shaft 01. The inner wall of the planetary carrier plate 02 is welded to the outer wall of the outer ring, and the weld is used as a weld seam.

[0029] A tooling for welding connecting shaft 01 to planetary carrier plate 02, such as Figure 1 As shown, it includes a welding base 21, a welding positioning plate 22, a first pressure cap 23, and a second pressure cap 24;

[0030] The welding base 21 is provided with a welding positioning shaft 211 in the middle, which is used to position the connecting shaft 01.

[0031] The welding positioning plate 22 is fixedly installed on the welding base 21, and the welding positioning plate 22 is used to support the connecting shaft 01 and the planetary carrier;

[0032] The first pressure cap 23 is sleeved onto the welding positioning shaft 211 and can press the connecting shaft 01 tightly;

[0033] The second pressure cap 24 is connected to the welding positioning plate 22 and can press the planetary carrier plate 02.

[0034] Preferably, the top of the welding positioning shaft 211 is also provided with a positioning fixing bolt 212; when the connecting shaft 01 is sleeved onto the welding positioning shaft 211, the outer ring of the connecting shaft 01 rests on the upper end face of the welding positioning plate 22;

[0035] The first pressure cap 23 is sleeved onto the top of the connecting shaft 01, and the lower end face of the first pressure rod cooperates with the upper end face of the welding positioning plate 22 to achieve the pressing of the outer ring.

[0036] Preferably, the positioning and fixing bolt 212 passes through the connecting shaft 01 and the first pressure cover 23 in sequence; by screwing the nut into the positioning and fixing bolt 212, the first pressure cover 23 can be tightened onto the connecting shaft 01.

[0037] Preferably, the welding positioning plate 22 is connected to the welding base 21 by bolts, the upper end surface of the welding positioning plate 22 is a planar structure, and the planetary carrier plate 02 is placed on the welding positioning plate 22;

[0038] The lower part of the second pressure cap 24 is provided with internal threads, and the upper circumferential surface of the welding positioning plate 22 is provided with external threads. The second pressure cap 24 and the welding positioning plate 22 can be threadedly connected, and the second pressure cap 24 can press the planetary carrier plate 02 set on the welding positioning plate 22.

[0039] Preferably, the inner lower surface of the second pressure cover 24 is provided with a pressing protrusion 241 for contacting the planetary carrier plate 02.

[0040] Preferably, there is a gap between the first pressure cap 23 and the second pressure cap 24, which corresponds to the weld between the connecting shaft 01 and the planetary carrier plate 02; the welding positioning plate 22 is provided with an avoidance groove 221 at the position corresponding to the weld.

[0041] Preferably, the outer circumferential surface of the second pressure cap 24 is provided with a rotating bolt to assist the rotation of this tooling.

[0042] The working principle is as follows: First, the connecting shaft 01 is sleeved onto the welding base 21, and then the connecting shaft 01 is pressed by the first pressure cap 23; then the planetary carrier plate 02 is placed, and then the planetary carrier plate 02 is pressed by the second pressure cap 24. After all is fixed, the connecting shaft 01 and the planetary carrier plate 02 are welded.

[0043] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A tooling for welding a connecting shaft to a planetary carrier plate, wherein the connecting shaft is an integral structure comprising a middle cylindrical portion and an outer ring portion; the outer ring portion is disposed on the outer wall of the middle cylindrical portion, the planetary carrier plate is an annular structure disposed outside the connecting shaft, and the inner wall of the planetary carrier plate is welded to the outer wall of the outer ring portion, the weld being a weld seam; characterized in that: Includes welding base, welding positioning plate, No. 1 pressure cap and No. 2 pressure cap; The welding base is provided with a welding positioning shaft in the middle, which is used to position the connecting shaft; The welding positioning plate is fixedly installed on the welding base, and the welding positioning plate is used to support the connecting shaft and the planetary carrier; The first pressure cap is sleeved onto the welding positioning shaft and can press the connecting shaft tightly; The second pressure cap is connected to the welding positioning plate and can press the planetary carrier plate.

2. The tooling for welding a connecting shaft to a planetary carrier plate according to claim 1, characterized in that: The top of the welding positioning shaft is also provided with a positioning and fixing bolt; when the connecting shaft is sleeved onto the welding positioning shaft, the outer ring of the connecting shaft rests on the upper end face of the welding positioning plate; The first pressure cap is sleeved onto the top of the connecting shaft, and the lower end face of the first pressure rod cooperates with the upper end face of the welding positioning plate to press the outer ring.

3. The tooling for welding a connecting shaft to a planetary carrier plate according to claim 2, characterized in that: The positioning and fixing bolts pass through the connecting shaft and the first pressure plate in sequence; by screwing the nut into the positioning and fixing bolts, the first pressure plate can be tightened to the connecting shaft.

4. The tooling for welding a connecting shaft to a planetary carrier plate according to claim 1, characterized in that: The welding positioning plate is connected to the welding base by bolts. The upper surface of the welding positioning plate is a flat structure, and the planetary carrier plate is placed on the welding positioning plate. The lower part of the second pressure cap is provided with internal threads, and the upper circumferential surface of the welding positioning plate is provided with external threads. The second pressure cap and the welding positioning plate can be threadedly connected, and the second pressure cap can press the planetary carrier plate set on the welding positioning plate.

5. The tooling for welding a connecting shaft to a planetary carrier plate according to claim 4, characterized in that: The inner lower surface of the second pressure cap is provided with a pressing protrusion for contacting the planetary carrier plate.

6. The tooling for welding a connecting shaft to a planetary carrier plate according to claim 1, characterized in that: There is a gap between the No. 1 and No. 2 pressure caps, which corresponds to the weld between the connecting shaft and the planetary carrier plate; the welding positioning plate is provided with a clearance groove at the position corresponding to the weld.

7. The tooling for welding a connecting shaft to a planetary carrier plate according to claim 1, characterized in that: The outer circumferential surface of the second pressure cap is provided with a rotating bolt to assist the rotation of this tooling.

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