CN115931196A

CN115931196A - Gear type part torsion detection kit, electron beam welding method and special tool

Info

Publication number: CN115931196A
Application number: CN202211694870.4A
Authority: CN
Inventors: 崔庆龙; 陈健; 王风雅; 赵倩倩; 贺晓峰; 杨敏; 陈兴达; 丛宇鹏; 王好强; 张群; 李忠原
Original assignee: Aerospace Hiwing Harbin Titanium Industrial Co Ltd
Current assignee: Aerospace Hiwing Harbin Titanium Industrial Co Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-07

Abstract

The invention relates to the technical field of torque force testing of gear type parts, in particular to a torque force detection kit of a gear type part, an electron beam welding method and a special tool; gear type part torsion detects external member includes: one end of the positioning piece is provided with a positioning pin, and the other end of the positioning piece is a fixed end; the connecting head is of a hollow structure, an engaging structure is arranged on the inner wall of the connecting head, the gear-shaped part is positioned between the positioning piece and the connecting head, the gear-shaped part comprises a disc and a tooth-shaped structure, the tooth-shaped structure penetrates through the disc, the disc is arranged on the positioning pin, and the tooth-shaped structure and the connecting head are engaged with each other; the torque wrench is connected with the connector. Through the setting of connector, and the connector can with profile of tooth structure intermeshing, further assurance between connector and the profile of tooth structure zonulae occludens, when utilizing the moment spanner to carry out the torque test to gear type part, guarantee the authenticity of data, can reflect the true welding condition of gear type part.

Description

Gear type part torsion detection kit, electron beam welding method and special tool

Technical Field

The invention relates to the technical field of torque force testing of gear type parts, in particular to a torque force detection kit for the gear type parts, an electron beam welding method and a special tool.

Background

Titanium and titanium alloys have many advantages, so that the titanium alloy is widely applied to the fields of aerospace, chemical engineering, metallurgy, shipbuilding and the like in China. The welding of titanium and titanium alloy is an important link in the manufacturing process of equipment, the welding quality is directly related to the application performance of the titanium equipment, in order to ensure the welding quality, the welding seam is required to be correspondingly detected after the welding is finished, and the detection at present mainly comprises X-ray detection, fluorescence detection, torsion detection and the like.

Current gear type part is when the welding, and the part can produce usually and remove or rotate, treats the welding and accomplishes the back, carries out torsion detection to gear type part, can cause certain damage to the part usually, consequently, influences the data authenticity of gear type part.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the problem that the gear type part in the prior art usually causes certain damage to the part when being subjected to torque detection and influences the data authenticity of the gear type part, so that a gear type part torque detection kit, an electron beam welding method and a special tool are provided, which can ensure the data authenticity and reflect the real welding condition of the gear type part when the gear type part is subjected to torque test.

In order to solve the above technical problem, the present invention provides a gear type part torsion detection kit, including: the positioning device comprises a positioning piece, a positioning pin and a positioning piece, wherein one end of the positioning piece is provided with the positioning pin, and the other end of the positioning piece is a fixed end; the connector is of a hollow structure, a meshing structure is arranged on the inner wall of the connector, a gear type part is located between the positioning piece and the connector, the gear type part comprises a disc and a tooth-shaped structure, the tooth-shaped structure penetrates through the disc, the disc is arranged on the positioning pin, and the tooth-shaped structure and the connector are meshed with each other; and the torque wrench is connected with the connector.

Further, the engaging structure is a tooth formed on an inner wall of the connector.

Furthermore, the fixed end is formed on one end of the positioning piece and is provided with two planes which are symmetrically arranged.

Furthermore, a plurality of mounting holes are formed in the disc, and the positioning pin penetrates through the mounting holes.

Furthermore, be equipped with on the setting element and dodge the hole, dodge the hole and be located the center of setting element, and with the position of profile of tooth structure is corresponding.

Furthermore, the other end of the torque wrench is provided with a fixing hole.

The invention also provides an electron beam welding method of the gear type part, which comprises the following steps: and (3) machining: machining the disc and the tooth-shaped structure to enable the disc and the tooth-shaped structure to meet the requirements of design drawings and meet the matching relation; cleaning parts: and cleaning the disc and the tooth-shaped structure, wherein the cleaning sequence comprises degreasing agent cleaning, clear water cleaning, alcohol soaking cleaning and compressed air drying. Assembling: assembling the disc and the tooth-shaped structure, wherein the assembling relationship is interference fit; electron beam welding: and placing the assembled disc and tooth-shaped structure on a special tool, matching the tool aperture size of the placing position of the disc with the gear size of the tooth-shaped structure, ensuring that the welding line plane of the part is positioned on a horizontal plane, and welding according to the qualified technological parameters of the test.

The invention also provides a special tool used in the electron beam welding method of the gear type part, which comprises the following steps: a plate body; the first circular holes are provided with a plurality of holes, and the circular holes are formed in one side of the plate body; the connecting hole is arranged in the plate body and is communicated with the first circular hole; the through hole is close to the first circular hole, and the tooth-shaped structure is arranged in the first circular hole or the through hole.

Further, still include the second circular port, the second circular port is located the opposite side of plate body, just the aperture of first circular port is greater than the aperture of second circular port.

Further, the first circular holes and the through holes are arranged in an array and uniformly on the plate body.

The technical scheme of the invention has the following advantages:

1. the invention provides a gear type part torsion detection kit, comprising: the positioning device comprises a positioning piece, a positioning pin and a positioning pin, wherein one end of the positioning piece is provided with the positioning pin, and the other end of the positioning piece is a fixed end; the connector is of a hollow structure, a meshing structure is arranged on the inner wall of the connector, a gear type part is located between the positioning piece and the connector, the gear type part comprises a disc and a tooth-shaped structure, the tooth-shaped structure penetrates through the disc, the disc is arranged on the positioning pin, and the tooth-shaped structure and the connector are meshed with each other; and the torque wrench is connected with the connector.

Through setting up the locating pin in the one end of setting element, can utilize this locating pin to fix a position gear type part, be about to the disc of gear type part fix on the locating pin to avoid this disc to lie in profile of tooth structure welding back, when carrying out torsion detection, appear removing or the pivoted condition. And through the setting of connector, and the connector can with profile of tooth structure intermeshing, further assurance between connector and the profile of tooth structure zonulae occludens, when recycling moment spanner at last and carrying out the torsion test to gear type part, guarantee the authenticity of data, can reflect the true welding condition of gear type part.

2. According to the gear type part torsion detection kit provided by the invention, the connecting head can be fully connected with the tooth-shaped structure through the arrangement of the meshing structure, so that the connection stability of the connecting head and the gear type part is ensured, and the situation that the tooth-shaped structure moves or rotates when torsion detection is carried out is avoided.

3. According to the gear type part torsion detection kit provided by the invention, the fixed end is formed on one end of the positioning piece and is provided with two planes which are symmetrically arranged. Through the setting of stiff end for this setting element can be fixed through the form commonly used, for example bench vice etc. is convenient for to the centre gripping of setting element, and then is convenient for to the centre gripping of gear type part. And in the process of torsion detection, the gear type part can not be damaged.

4. According to the gear type part torsion detection kit provided by the invention, the positioning piece is provided with the avoidance hole, and the avoidance hole is positioned in the center of the positioning piece and corresponds to the tooth-shaped structure; the setting of this dodging the hole can effectually alleviate the weight of setting element to, the setting of the hole of dodging of this setting element is corresponding to the profile of tooth structure, and then inserts the center to the disc for this profile of tooth structure, provides the mounted position. The avoidance hole is used for avoiding the different end of the disc, and the maximum contact area is ensured when the disc is arranged on the positioning pin.

5. According to the gear type part torsion detection kit provided by the invention, the disc is provided with a plurality of mounting holes, and the positioning pin penetrates through the mounting holes. Through inserting the disc to the locating pin on the setting element in, can utilize this locating pin to fix a position the gear type part, be about to fix the disc of gear type part on the locating pin to avoid this disc to lie in profile of tooth structure welding back, when carrying out torsion detection, appear removing or the pivoted condition.

This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the disclosure, nor is it intended to be used to limit the scope of the disclosure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a torque force detection kit for a gear-type component according to the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an exploded view of a torque detection kit for a gear-type component according to the present invention;

FIG. 4 is a schematic structural view of a gear type part;

FIG. 5 is a schematic view of the welded structure of the disc and the tooth-shaped structure;

FIG. 6 is a top view of the special tool provided by the present invention;

FIG. 7 isbase:Sub>A sectional view taken along the line A-A of the special tool provided by the present invention;

FIG. 8 is a sectional view taken along the direction B-B of the special tool provided by the present invention.

Description of reference numerals:

1. a positioning member; 11. positioning pins; 12. a fixed end; 13. avoiding holes; 2. a connector; 21. an engaging structure; 3. a gear type part; 31. a disc; 311. mounting holes; 32. a tooth-shaped structure; 4. a torque wrench; 41. a fixing hole; 5. a plate body; 51. a first circular hole; 52. connecting holes; 53. and a through hole.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present disclosure. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present disclosure, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "straight", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present disclosure. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.

Throughout the description of the present disclosure, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection, either mechanically, electrically, or otherwise in communication with one another; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present disclosure can be understood as a specific case by a person of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the disclosure. To simplify the disclosure of the present disclosure, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present disclosure. Moreover, the present disclosure may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The preferred embodiments of the present disclosure will be described below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustrating and explaining the present disclosure and are not intended to limit the present disclosure.

Referring to fig. 1 to 8, the present invention provides a torque force detection kit for a gear type component, including: the positioning device comprises a positioning piece 1, wherein one end of the positioning piece 1 is provided with a positioning pin 11, and the other end of the positioning piece 1 is a fixed end 12; the positioning device comprises a positioning pin 11, a connector 2, a hollow connector 2 and a gear type part 3, wherein the connector 2 is of a hollow structure, the inner wall of the connector 2 is provided with a meshing structure 21, the gear type part 3 is positioned between a positioning piece 1 and the connector 2, the gear type part 3 comprises a disc 31 and a tooth-shaped structure 32, the tooth-shaped structure 32 penetrates through the disc 31, the disc 31 is arranged on the positioning pin 11, and the tooth-shaped structure 32 is meshed with the connector 2; and the torque wrench 4 is connected with the connector 2.

Through setting up locating pin 11 in the one end of setting element 1, can utilize this locating pin 11 to fix a position gear type part 3, be about to fix gear type part 3's disc 31 on locating pin 11 to avoid this disc 31 to lie in profile of tooth structure 32 welding back, when carrying out the torsion detection, appear removing or the pivoted condition. And through the setting of connector 2, and connector 2 can with profile of tooth structure 32 intermeshing, further has guaranteed between connector 2 and the profile of tooth structure 32 zonulae occludens, when reuse moment spanner 4 carries out the torsion test to gear type part 3 at last, guarantees the authenticity of data, can reflect the true welding condition of gear type part 3.

Wherein, the gear type part 3 is made of TC4 titanium alloy material.

In this embodiment, meshing structure 21 is in for the shaping tooth on the 2 inner walls of connector through meshing structure 21's setting for connector 2 can be abundant be connected with profile of tooth structure 32, has guaranteed the stability that connector 2 is connected with gear type part 3, when avoiding carrying out torsion detection, appears profile of tooth structure 32 and removes or the pivoted condition.

In this embodiment, the fixing end 12 is formed on one end of the positioning member 1 and has two symmetrically disposed planes. Through the arrangement of the fixing end 12, the positioning member 1 can be fixed in a common form, such as a bench clamp, which is convenient for clamping the positioning member 1 and further the gear type part 3. And in the process of detecting the torsion, the gear type part 3 can not be damaged.

Wherein, the positioning piece 1 is processed by adopting an integral milling mode. The positioning member 1 is mainly divided into a fixed end 12 and a part fixing portion.

The part fixing part comprises a positioning pin 11 and an avoiding hole 13; the positioning pin 11 of the part fixing portion is used to fix the disc 31, preventing the disc 31 from rotating during the torsion measurement.

The square structure of the fixed end 12 is convenient for fixing on bench clamp or hand-held locking pliers, etc. When the torsion detection is performed, the fixed end 12 does not rotate, the disc 31 is limited to rotate, and the problems that the circular gear type part 3 cannot be clamped and fixed and the like are solved.

In some alternative embodiments, the disc 31 is provided with a plurality of mounting holes 311, and the positioning pin 11 penetrates through the mounting holes 311. By inserting the disc 31 into the positioning pin 11 of the positioning member 1, the positioning pin 11 can be used to position the gear-type part 3, that is, the disc 31 of the gear-type part 3 is fixed on the positioning pin 11, thereby preventing the disc 31 from moving or rotating when torsion detection is performed after the welding of the tooth-shaped structure 32.

In some optional embodiments, an avoidance hole 13 is formed in the positioning element 1, and the avoidance hole 13 is located in the center of the positioning element 1 and corresponds to the tooth-shaped structure 32; the arrangement of the avoiding hole 13 can effectively reduce the weight of the positioning piece 1, and the avoiding hole 13 of the positioning piece 1 is arranged corresponding to the tooth-shaped structure 32, so that the installation position is provided for the tooth-shaped structure 32 to be inserted into the center of the disc 31. The avoiding hole 13 is used for avoiding the different end of the disc 31 and ensuring the maximum contact area when the disc 31 is installed on the positioning pin 11.

The connector 2 is processed by adopting a linear cutting and turning mode. Under the condition that the connector 2 is of a gear type structure according to the gear type part 3 to be detected, gear data are confirmed through actual measurement and drawing, and an inner meshing structure 21 is machined in a linear cutting mode. During torque detection, the meshing structure 21 of the connector 2 and the tooth-shaped structure 32 form basic engagement, so that the gear-type part 3 cannot slide during detection, and the part cannot be damaged.

The torque wrench 4 is processed into a standard torque wrench interface in a wire cutting mode, so that the torque wrench is convenient to quickly connect and fix.

The connector 2 and the interface of the torque wrench 4 are processed into a welding groove in a turning mode, the two parts are welded in an argon arc welding mode, and after the welding is finished, the whole outer surface is turned to improve the roughness of the outer surface, and finally, an integrated structure is formed.

In some alternative embodiments, the other end of the torque wrench 4 is provided with a fixing hole 41, and the fixing hole 41 is configured to facilitate the torque wrench 4 to be connected with other structures, so as to perform torque detection on the gear type component 3.

The invention also provides an electron beam welding method of the gear type part, which comprises the following steps: and (3) machining: machining the disc 31 and the tooth-shaped structure 32 to enable the disc 31 and the tooth-shaped structure 32 to meet the requirements of design drawings and meet the matching relation; cleaning parts: the disc 31 and the tooth-shaped structure 32 are cleaned, and the cleaning sequence comprises degreasing agent cleaning, clear water cleaning, alcohol soaking cleaning and compressed air drying. Assembling: assembling the disc 31 and the tooth-shaped structure 32 in an interference fit manner; electron beam welding: and placing the assembled disc 31 and the assembled tooth-shaped structure 32 on a special tool, wherein the aperture size of the tool at the placing position of the disc 31 is matched with the gear size of the tooth-shaped structure 32, so that the welding line plane of a part is ensured to be positioned on a horizontal plane, and welding is carried out according to qualified technological parameters of the test. The tooth-shaped structure 32 of the gear-type part 3 is mounted on a special tool, and welding is performed by using the electron beam welding method, that is, the disc 31 is welded on the tooth-shaped structure 32, so that the disc 31 and the tooth-shaped structure 32 are connected into a whole, specifically, as shown in fig. 5, a welding seam is provided at the joint of the tooth-shaped structure 32 and the disc 31.

Disc 31 and profile of tooth structure 32 after the welding is accomplished constitute gear type part 3, when carrying out torsion detection, through the setting of connector 2, and connector 2 can with profile of tooth structure 32 intermeshing, further assurance between connector 2 and the profile of tooth structure 32 zonulae occludens, when recycling moment spanner 4 at last and carrying out the torsion test to gear type part 3, guarantee the authenticity of data, can reflect the true welding condition of gear type part 3.

The invention also provides a special tool used in the electron beam welding method of the gear type part, which comprises the following steps: the plate body 5 and the first circular hole 51, the connection hole 52, and the through hole 53; a plurality of first circular holes 51 are formed in the plate body 5; the connecting hole 52 is arranged in the plate body 5 and is communicated with the first circular hole 51; the through hole 53 is disposed near the first circular hole 51, and the tooth structure 32 is disposed in the first circular hole 51 or the through hole 53.

In actual use, the tooth structure 32 may be placed in the first circular hole 51 and the through hole 53. Wherein, the first circular hole 51 has a different diameter from the through hole 53, so that the tooth-shaped structures 32 with different sizes can be inserted into the first circular hole 51 and the through hole 53.

In some alternative embodiments, the second circular hole is disposed on the other side of the plate body 5, and the diameter of the first circular hole 51 is larger than that of the second circular hole. Through the setting of second circular port, increased the number of the circular port on the plate body 5 promptly, and, the aperture of first circular port 51 is greater than the aperture of second circular port, and the aperture of second circular port and first circular port 51, the aperture of through-hole 53 all is different to can put into not unidimensional profile of tooth structure 32 in first circular port 51 and through-hole 53 and the circular hole of second, and then realized the profile of tooth structure 32 looks adaptation of this plate body 5 with multiple model, reduced the cost of plate body 5.

Wherein a first circular hole 51 and a connection hole 52. And the second circular holes are positioned on the same straight line. This mode of setting up can effectual occupation position that reduces first circular port 51 and second circular port, has increased the number that sets up of first circular port 51 and through-hole 53 on the plate body 5.

In some alternative embodiments, the first circular holes 51 and the through holes 53 are arranged in an array and uniformly on the plate body 5. More first circular holes 51 and through holes 53 can be formed in the plate body 5, so that a plurality of gear-type parts 3 can be welded to one plate body 5 at the same time.

This special frock can satisfy the use of the gear type part 3 of multiple different specifications to, also not be restricted to gear type part 3, as long as the bottom is cylinder class part, the cylinder size satisfy first circular port 51 and second circular port, through-hole 53 size can.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the invention.

Claims

1. The utility model provides a gear type part torsion detects external member which characterized in that includes:

the positioning device comprises a positioning piece (1), wherein one end of the positioning piece (1) is provided with a positioning pin (11), and the other end of the positioning piece is a fixed end (12);

the connecting head (2) is of a hollow structure, the inner wall of the connecting head (2) is provided with an engaging structure (21), the gear type part (3) is located between the positioning piece (1) and the connecting head (2), the gear type part (3) comprises a disc (31) and a tooth-shaped structure (32), the tooth-shaped structure (32) penetrates through the disc (31), the disc (31) is arranged on the positioning pin (11), and the tooth-shaped structure (32) and the connecting head (2) are engaged with each other;

the torque wrench (4) is connected with the connector (2).

2. The gear type part torque force detection kit according to claim 1, wherein the engagement structure (21) and the teeth are formed on the inner wall of the connection head (2).

3. The gear type part torsion detecting kit according to claim 2, wherein the fixing end (12) is formed on one end of the positioning member (1) and has two symmetrically arranged planes.

4. The gear type part torsion detection kit according to any one of claims 1 to 3, wherein the disc (31) is provided with a plurality of mounting holes (311), and the positioning pin (11) penetrates through the mounting holes (311).

5. The gear type part torsion detection kit according to claim 4, wherein the positioning member (1) is provided with an avoiding hole (13), and the avoiding hole (13) is located at a center of the positioning member (1) and corresponds to the tooth-shaped structure (32).

6. The gear type part torque detection kit according to claim 5, wherein the other end of the torque wrench (4) is provided with a fixing hole (41).

7. An electron beam welding method of a gear type part is characterized by comprising the following steps:

and (3) machining: the disc (31) and the tooth-shaped structure (32) are machined, so that the disc (31) and the tooth-shaped structure (32) meet the requirements of design drawings and meet the matching relation;

cleaning parts: and cleaning the disc (31) and the tooth-shaped structure (32) by using degreaser cleaning, clear water cleaning, alcohol soaking cleaning and compressed air drying.

Assembling: assembling the disc (31) and the tooth-shaped structure (32) in an interference fit manner;

electron beam welding: and placing the assembled disc (31) and the assembled tooth-shaped structure (32) on a special tool, wherein the aperture size of the tool at the placing position of the disc (31) is matched with the gear size of the tooth-shaped structure (32), so that the welding line plane of the part is ensured to be positioned on a horizontal plane, and welding is carried out according to the qualified technological parameters of the test.

8. A special tool used in the electron beam welding method of the gear type part according to claim 7, comprising:

a plate body (5);

a plurality of first circular holes (51) which are arranged on one side of the plate body (5);

the connecting hole (52) is arranged in the plate body (5) and is communicated with the first circular hole (51);

through-hole (53), be close to first circular port (51) setting, tooth structure (32) are located in first circular port (51) or through-hole (53).

9. The special tool according to claim 8, further comprising a second circular hole, wherein the second circular hole is formed in the other side of the plate body (5), and the diameter of the first circular hole (51) is larger than that of the second circular hole.

10. The special tool according to claim 9, wherein the first circular holes (51) and the through holes (53) are arranged in an array and uniformly on the plate body (5).