MGU execution motor, motor lead terminal welding detection mechanism and installation detection method

Abstract

The invention relates to the field of MGU actuators, and discloses an MGU execution motor, a motor lead terminal welding detection mechanism and an installation detection method.The MGU execution motor comprises a shell (1), a rotor and a stator are installed in the shell (1), a transmission shaft (2) extends out of one end of the shell (1), the shell (1) is of a cylindrical structure, a sealing cover (3) is arranged at the upper end of the shell (1), and a connecting pin piece (4) is led out of the sealing cover (3); a connecting pin sheet (4) is arranged on the base (1), a wiring terminal (5) is welded and fixed on the connecting pin sheet (4), the wiring terminal (5) is of a sheet-shaped structure, the lower end of the wiring terminal (5) is bent to form a slot (6), the wiring terminal (5) on the upper side of the slot (6) is stamped to form a convex limiting point, a clamping opening (8) is formed on the upper side of the convex limiting point, and the clamping opening (8) is formed by a V-shaped sheet; and the wiring terminal (5) at the lower side of the clamping opening (8) forms a socket (9). The detection mechanism has the advantages of reliable detection, automation and the like.

Description

Technical Field

[0001] The present invention relates to the field of parking brakes, and particularly to an MGU actuating motor, a welding detection mechanism for motor wire terminals, and an installation detection method. Background Art

[0002] CN218633513U discloses a connection pin piece for a motor and a stator assembly and a motor using the same, which provides a structural style of a motor wiring terminal, but it does not meet the requirements of the MGU actuator motor. The existing wiring terminals of the MGU motor generally adopt the form of directly welding wires for wiring. The first problem with this solution is that the wiring is unstable. The second is that the wires are not easy to arrange, and it is difficult to realize automation in welding. Moreover, the strength after welding cannot be detected, and automated detection cannot be formed, and the quality level is difficult to guarantee. Summary of the Invention

[0003] The present invention aims at the deficiencies in the prior art and provides an MGU actuating motor, a welding detection mechanism for motor wire terminals, and an installation detection method.

[0004] In order to solve the above technical problems, the present invention is solved by the following technical solutions:

[0005] The MGU actuating motor includes a housing, a rotor and a stator are installed in the housing, a transmission shaft extends from one end of the housing, the housing is of a cylindrical structure, the upper end of the housing is a cover, a connection pin piece is led out from the cover, a wiring terminal is welded and fixed on the connection pin piece, the wiring terminal is of a sheet structure, a slot is formed by bending the lower end of the wiring terminal, a raised limiting point is formed by stamping on the upper side of the slot of the wiring terminal, and a clamping mouth is formed above the raised limiting point and is formed by a V-shaped piece; a socket is formed on the lower side of the clamping mouth of the wiring terminal.

[0006] Preferably, the clamping mouth is perpendicular to the main body piece of the wiring terminal, and the slot is formed by the gap between the limiting structure and the main body piece of the wiring terminal; the limiting structure is a cylindrical structure with a semicircular cross-section formed by bending the edge of the main body piece of the wiring terminal; the connection pin piece is inserted into the slot and is abutted by a limiting protrusion; the edge of the connection pin piece is welded and fixed on the main body piece of the wiring terminal.

[0007] The welding detection mechanism for motor wire terminals is used for the above-mentioned MGU actuating motor and includes a bottom clamping mechanism, a side clamping mechanism and a top clamping mechanism. The bottom clamping mechanism is supported and arranged at the bottom of the MGU motor, the side clamping mechanism clamps the side of the motor, and the top clamping mechanism is axially arranged for the motor and limits and connects the wiring terminal at the same time.

[0008] Preferably, the top clamping mechanism includes a fixing plate and a positioning mechanism for connecting the wiring terminal; an exposed hole is provided in the middle of the fixing plate, and the connecting pin piece extends out from the exposed hole and is pressed against the upper end surface of the motor; fixing screws are provided at the four corners of the fixing plate, and the fixing screws are fixedly connected to the top of the side clamping mechanism; the wiring terminal extends out from the exposed hole.

[0009] Preferably, the positioning mechanism includes a connecting seat at the top, a connecting rod extends out from the connecting seat, the positioning mechanism further includes a locking rod, a limiting column is provided at the lower end of the locking rod, the limiting column is inserted into the jack, and a tension sensor is provided on the limiting column.

[0010] Preferably, the connecting rod is a cylindrical rod, a notch is provided on one side of the connecting rod close to the wiring terminal, the shape of the locking rod is adapted to the shape of the notch, and the locking rod is installed in the notch; an installation hole is provided at the lower end of the connecting rod, the limiting column passes through the jack and is installed in the installation hole, and the limiting column is perpendicular to the locking rod and the connecting rod; fixing holes are provided on the connecting rod and the locking rod, and the two are connected by bolts installed in the fixing holes.

[0011] Preferably, the side clamping mechanism includes a first slide rail, a fixing block is provided on the upper end surface of the first slide rail, a side positioning block is installed on the track of the first slide rail, and the side positioning block is connected to the fixing block by an adjusting bolt; there are two groups of the fixing block and the positioning block, which are respectively arranged on the left side and the right side of the motor, a clamping groove is provided on the positioning block, the clamping groove clamps the outside of the motor, and a distance is left between the two clamping grooves in the clamped state, and the upper end surface of the positioning block is located below the upper end surface of the motor.

[0012] Preferably, the positioning block includes a sliding part installed on the first slide rail and a limiting part for limiting the motor, and the limiting part and the sliding part are of a split structure; it includes a horizontal slide table structure and a vertical slide table structure, the horizontal slide table structure and the vertical slide table structure are perpendicular to each other, and further includes a mounting seat, the mounting seat is installed on the vertical slide table structure, and the vertical slide table structure is installed on the horizontal slide table structure; it further includes a base, and the horizontal slide table structure is installed on the base.

[0013] Preferably, it further includes a frame and a cross beam, the base is installed on the cross beam, the frame includes transmission chambers on both sides, a lead screw structure is installed in the transmission chamber, the lead screw is connected to a driving motor, the cross beam cooperates with the lead screw, and the driving motor drives the cross bar to move by driving the lead screw to rotate.

[0014] The detection mechanism installation detection method includes the above-mentioned motor wire terminal welding detection mechanism, and the specific steps are as follows:

[0015] Step 1: Install the motor on the bottom clamping mechanism, and then clamp the motor by the side clamping mechanism;

[0016] Step 2: Fix the fixing plate on the upper part of the motor, and at the same time install and fix it with the side clamping mechanism using bolts. The motor is circumferentially and axially limited and fixed through the fixing plate, the bottom clamping mechanism, and the side clamping mechanism.

[0017] Step 3: Insert the limit post into the jack and fit it with the mounting hole on the connecting rod; connect and lock the connecting rod and the locking rod with bolts.

[0018] Step 4: Start the driving motor to pull the cross bar and read the load when the connecting terminal is de-soldered.

[0019] This solution has the following advantages compared with the prior art. The designed wire terminal and the matching motor can provide a large enough welding surface and contact points, and at the same time are convenient for the later pull-off test. The designed detection mechanism can stably position the motor to ensure the reliability of the detection process. Description of the Drawings

[0020] Figure 1 It is a structural schematic diagram of the test device.

[0021] Figure 2 is Figure 1 an enlarged view of

[0022] Figure 3 It is a structural schematic diagram of the wiring terminal.

[0023] The numbers shown in the figure: 1 - housing, 2 - transmission shaft, 3 - cover, 4 - connecting pin piece, 5 - wiring terminal, 6 - slot, 7 - limit protrusion, 8 - clamping mouth, 9 - socket, 10 - limit structure, 11 - bottom clamping mechanism, 12 - side clamping mechanism, 13 - top clamping mechanism, 14 - fixing plate, 15 - exposed hole, 16 - fixing screw, 17 - connecting seat, 18 - connecting rod, 19 - notch, 20 - locking rod, 21 - fixing hole, 22 - slide rail 1, 23 - fixing block, 24 - positioning block, 26 - holding groove, 27 - transverse slide structure, 28 - longitudinal slide structure, 29 - frame, 30 - cross beam. Detailed Embodiment

[0024] The present invention will be further described in detail below with reference to the drawings and embodiments.

[0025] The present invention will be described in detail below with reference to the accompanying specification drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described.

[0026] Embodiment 1

[0027] The MGU actuating motor includes a housing 1, a rotor and a stator are installed inside the housing 1, a transmission shaft 2 extends from one end of the housing 1, the housing 1 is of a cylindrical structure, and the upper end of the housing 1 is a cover 3, wherein the cover 3 is fixedly connected to the housing 1 through a buckle structure. The housing 1 is of a cylindrical structure, connection pin pieces 4 are led out from the cover 3, a terminal 5 is fixedly welded on the connection pin pieces 4, the terminal 5 is of a sheet structure, a slot 6 is formed by bending the lower end of the terminal 5, a raised limiting point is formed by stamping on the upper side of the terminal 5 of the slot 6, and a clamping opening 8 is formed above the raised limiting point. The clamping opening 8 is formed by a V-shaped piece; a socket 9 is formed on the lower side of the terminal 5 of the clamping opening 8. The V-shaped piece is formed by stamping the socket 9, so the V-shaped piece and the terminal 5 are integrally formed.

[0028] In this embodiment, the clamping opening 8 is vertically arranged with the main body piece of the terminal 5. The function of the clamping opening 8 is to wrap the wire. The connecting wire is installed in the clamping opening 8 and then clamped and welded. The slot 6 is formed by the gap between the limiting structure 10 and the main body piece of the terminal 5; the limiting structure 10 is a cylindrical structure with a semicircular cross-section formed by bending the edge of the main body piece of the terminal 5; the number of the semi-cylindrical structures is two, which are respectively located on the left side and the right side of the main body piece of the terminal 5. The connecting pin piece 4 is inserted into the slot 6 and abutted by the limiting protrusion 7; the edge of the connecting pin piece 4 is fixedly welded on the main body piece of the terminal 5. The connecting pin piece 4 is fixedly welded to the main body piece of the terminal 5. This connection method has the advantages of large welding surface and stable and reliable initial contact.

[0029] Embodiment 2

[0030] This embodiment provides a detection mechanism for detecting the reliable welding fixation of the connecting pin piece 4 and the terminal 5 in Embodiment 1. In this solution, the motor wire terminal welding detection mechanism is used for the above-mentioned MGU actuating motor, and includes a bottom clamping mechanism 11, a side clamping mechanism 12 and a top clamping mechanism 13. The bottom clamping mechanism 11 is supported at the bottom of the MGU motor, the side clamping mechanism 12 clamps the side of the motor, and the top clamping mechanism 13 is arranged axially for the motor and limits and connects the terminal 5 at the same time.

[0031] To facilitate the description of this solution, the top clamping mechanism 13 includes a fixing plate 14 and a positioning mechanism for connecting the terminal 5; an exposed hole 15 is arranged in the middle of the fixing plate 14, and the connecting pin piece 4 extends out from the exposed hole 15 and is pressed on the upper end surface of the motor; fixing screws 16 are arranged at the four corners of the fixing plate 14, and the fixing screws 16 are fixedly connected to the top of the side clamping mechanism 12; the terminal 5 extends out from the exposed hole 15. In this embodiment, the terminal 5 and the connecting pin piece 4 are isolated in the exposed hole 15, and subsequent detection and pull-out tests will not affect the strength of the terminal 5.

[0032] In this solution, the positioning mechanism includes a connecting seat 17 at the top. A connecting rod 18 extends from the connecting seat 17. The positioning mechanism further includes a locking rod 20. A limiting post is provided at the lower end of the locking rod 20. The limiting post is inserted into a jack, and a tension sensor is provided on the limiting post.

[0033] The connecting rod 18 is a cylindrical rod. A notch 19 is formed on one side of the connecting rod 18 close to the terminal 5. The shape of the locking rod 20 is adapted to the shape of the notch 19, and the locking rod 20 is installed in the notch 19. An installation hole is formed at the lower end of the connecting rod 18. The limiting post passes through the jack and is installed in the installation hole. The limiting post is perpendicular to the locking rod 20 and the connecting rod 18. Fixing holes 21 are formed on the connecting rod 18 and the locking rod 20, and the two are connected by bolts installed in the fixing holes 21. The characteristics of this structure are convenient for installation and fixation. Compared with a single rod structure, this structure can be installed while positioning, does not occupy extra space, and is also convenient for operation.

[0034] Among them, the side clamping mechanism 12 includes a first slide rail 22. A fixed block 23 is provided on the upper end surface of the first slide rail 22. A side positioning block 24 is installed on the track of the first slide rail 22. The side positioning block 24 is connected to the fixed block 23 through an adjusting bolt 25. There are two groups of the fixed block 23 and the positioning block 24, which are respectively arranged on the left and right sides of the motor. A clamping groove 26 is formed on the positioning block 24, and the clamping groove 26 is clamped outside the motor. There is a distance between the two clamping grooves 26 in the clamped state. The upper end surface of the positioning block 24 is located below the upper end surface of the motor. The installation and fixation realized through the slide rail design have the characteristics of being convenient for adjustment and being able to adapt to motors of different sizes.

[0035] In this embodiment, the positioning block 24 includes a sliding part installed on the first slide rail 22 and a limiting part for limiting the motor. The limiting part and the sliding part are of a split structure. The meaning of this split structure description is that the limiting part is detachably installed on the sliding part. The sliding mechanism includes a horizontal slide table structure 27 and a vertical slide table structure 28. The horizontal slide table structure 27 and the vertical slide table structure 28 are perpendicular to each other. It also includes a mounting seat. The mounting seat is installed on the vertical slide table structure 28, and the vertical slide table structure 28 is installed on the horizontal slide table structure 27. It also includes a base, and the horizontal slide table structure 27 is installed on the base.

[0036] It also includes a frame 29 and a cross beam 30. The base is installed on the cross beam 30. The frame 29 includes transmission chambers on both sides. A lead screw structure is installed in the transmission chamber. The lead screw is connected to a driving motor. The cross beam 30 cooperates with the lead screw, and the driving motor drives the movement of the cross bar by driving the lead screw to rotate.

[0037] In this solution, base structures are provided on both the upper and lower sides of the cross bar. Both of these base structures can be connected and installed with the above detection mechanism. During detection, only a click on the reverse button is required to achieve the above functions.

[0038] Embodiment 3

[0039] This embodiment discloses a detection method for the detection mechanism in Embodiment 2, and a detection method for installing the detection mechanism, including the above-mentioned motor wire terminal welding detection mechanism. The specific steps are as follows:

[0040] Step 1: Install the motor on the bottom clamping mechanism 11, and then clamp the motor by the side clamping mechanism 12.

[0041] Step 2: Fix the fixing plate 14 on the upper part of the motor, and at the same time install and fix it with the side clamping mechanism 12 using bolts. The motor is circumferentially and axially limited and fixed through the fixing plate 14, the bottom clamping mechanism 11, and the side clamping mechanism 12.

[0042] Step 3: Insert the limit post into the jack and cooperate with the mounting hole on the connecting rod 18; connect and lock the connecting rod 18 and the locking rod 20 through bolts.

[0043] Step 4: Start the driving motor to pull the cross bar and read the load when the connecting terminal is desoldered.

Claims

1. MGU actuator motor, characterized by: The invention comprises a housing (1), a rotor and a stator are installed in the housing (1), a transmission shaft (2) extends from one end of the housing (1), the housing (1) is a cylindrical structure, the upper end of the housing (1) is a cover (3), a connecting pin sheet (4) is led out from the cover (3), a connecting terminal (5) is welded and fixed to the connecting pin sheet (4), the connecting terminal (5) is a sheet-like structure, the lower end of the connecting terminal (5) is bent to form a slot (6), the upper side of the connecting terminal (5) of the slot (6) is stamped to form a raised limit point, the upper side of the raised limit point is formed with a clamp (8), the clamp (8) is formed by a V-shaped sheet; the lower side of the connecting terminal (5) of the clamp (8) forms a socket (9).

2. The MGU actuator motor according to claim 1, characterized in that: The clamp (8) is arranged perpendicularly to the main body of the terminal block (5); the slot (6) is formed by the gap between the limiting structure (10) and the main body of the terminal block (5); the limiting structure (10) is a cylindrical structure with a semicircular cross section formed by bending the edge of the main body of the terminal block (5); the connecting pin piece (4) is inserted into the slot (6) and abutted by the limiting protrusion (7); the edge of the connecting pin piece (4) is welded and fixed to the main body of the terminal block (5).

3. Motor wire terminal welding detection mechanism, characterized by: The device is used to detect the MGU actuator motor described in claim 2, comprising a bottom clamping mechanism (11), a side clamping mechanism (12) and a top clamping mechanism (13), wherein the bottom clamping mechanism (11) is arranged with the bottom support of the MGU motor, the side clamping mechanism (12) is clamped on the side of the motor, and the top clamping mechanism (13) sets the axial direction of the motor and limits the connection of the terminal (5).

4. The motor lead terminal welding detection mechanism according to claim 3, characterized in that: The top clamping mechanism (13) comprises a fixing plate (14) and a positioning mechanism identical to the connecting terminal (5); a bare hole (15) is provided in the middle of the fixing plate (14), and the connecting pin piece (4) extends out of the bare hole (15) and is pressed onto the upper end surface of the motor; fixing screws (16) are provided at the four corners of the fixing plate (14), and the fixing screws (16) are fixedly connected to the top of the side clamping mechanism (12); and the connecting terminal (5) extends out of the bare hole (15).

5. The motor lead terminal welding detection mechanism according to claim 4, characterized in that: The positioning mechanism comprises a connecting seat (17) at the top, a connecting rod (18) extending from the connecting seat (17), and a locking rod (20). A limiting column is arranged at the lower end of the locking rod (20), the limiting column is inserted into the insertion hole, and a tension sensor is arranged on the limiting column.

6. The motor lead terminal welding detection mechanism according to claim 5, characterized in that: The connecting rod (18) is a cylindrical rod. A notch (19) is provided on one side of the connecting rod (18) close to the wiring terminal (5). The shape of the locking rod (20) matches the shape of the notch (19). The locking rod (20) is installed in the notch (19). A mounting hole is provided at the lower end of the connecting rod (18). A limiting column passes through the insertion hole and is installed in the mounting hole. The limiting column and the locking rod (20) and the connecting rod (18) are vertically arranged. A fixing hole (21) is provided on the connecting rod (18) and the locking rod (20). The two are connected by a bolt installed in the fixing hole (21).

7. The motor lead terminal welding detection mechanism according to claim 4, characterized in that: The side clamping mechanism (12) comprises a slide rail (22), the upper end surface of the slide rail (22) is provided with a fixed block (23), a side positioning block (24) is installed on the track of the slide rail (22), and the side positioning block (24) is connected to the fixed block (23) through an adjusting bolt (25); the fixed block (23) and the positioning block (24) have two groups respectively arranged on the left side and the right side of the motor, and the positioning block (24) is provided with a clamping groove (26), the clamping groove (26) is clamped outside the motor, and a distance is left between the two clamping grooves (26) in the clamping state, and the upper end surface of the positioning block (24) is located on the lower side of the upper end surface of the motor.

8. The motor lead terminal welding detection mechanism according to claim 7, characterized in that: The positioning block (24) comprises a sliding portion installed on the slide rail (22) and a limiting portion used for limiting the position of the motor, wherein the limiting portion and the sliding portion are split structures; the positioning block (24) comprises a transverse slide structure (27) and a longitudinal slide structure (28), wherein the transverse slide structure (27) and the longitudinal slide structure (28) are perpendicular to each other; the positioning block (24) comprises a mounting seat, wherein the mounting seat is mounted on the longitudinal slide structure (28), and the longitudinal slide structure (28) is mounted on the transverse slide structure (27); and the positioning block (24) comprises a base, wherein the transverse slide structure (27) is mounted on the base.

9. The motor lead terminal welding detection mechanism according to claim 8, characterized in that: The machine also comprises a frame (29) and a crossbeam (30), wherein the base is mounted on the crossbeam (30), and the frame (29) comprises transmission chambers on both sides, wherein a screw rod structure is mounted in the transmission chamber, the screw rod is connected to a driving motor, the crossbeam (30) cooperates with the screw rod, and the driving motor drives the crossbeam to move by driving the screw rod to rotate.

10. A detection method for installing a detection mechanism, characterized in that: A motor lead terminal welding detection mechanism comprising any one of claims 3 to 7, wherein the specific steps are as follows: Step 1: Install the motor on the bottom clamping mechanism (11), and then clamp the motor with the side clamping mechanism (12); Step 2: The fixing plate (14) is fixedly mounted on the upper part of the motor, and is fixedly mounted with the side clamping mechanism (12) by bolts, and the motor is fixedly positioned in the circumferential direction and the circumferential direction by the fixing plate (14), the bottom clamping mechanism (11) and the side clamping mechanism (12); Step 3: Insert the limit column into the socket and connect it with the mounting hole on the connecting rod (18); connect and lock the connecting rod (18) and the locking rod (20) with bolts; Step 4: Start the drive motor to pull the crossbar and read the load when the connection terminal is desoldering.

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