A motor stator hanger

Abstract

The utility model relates to the technical field of automobile parts lifting tools, and more specifically, to a motor stator lifting device, which includes a first connecting seat, a plurality of first connecting rods and a plurality of second connecting rods, wherein the first connecting rods are circumferentially distributed at the bottom of the first connecting seat, one end of the first connecting rods is rotationally connected to the first connecting seat, and the other end is rotationally connected to one end of the second connecting rod in a one-to-one correspondence, and the first connecting rods are provided with abutment components; a driving mechanism is provided on the first connecting seat, and the driving mechanism is used to drive one end of the second connecting rod to move up and down, and when one end of the second connecting rod moves up and down, the first connecting rod approaches the second connecting rod to move closer to or away from each other. The utility model overcomes the shortcomings of the prior art that the motor stator is manually controlled, which is not only time-consuming and labor-intensive, but also has the risk of the motor stator slipping due to loose fixation. The lifting device of the utility model is driven by the driving mechanism, and does not require manual control, which can improve the safety and reliability of the motor stator grasping.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessory hoisting tools, and more specifically, to a motor stator hoist. Background Art

[0002] The motor stator of the electromechanical coupling gearbox is an important part of its motor, usually in a cylindrical shape. Due to the heavy weight of the motor stator, when assembling the electromechanical coupling gearbox, the motor stator needs to be fixed on a hanger and moved into the gearbox case for assembly.

[0003] A motor stator hanger disclosed in the prior art includes an upper support block, a screw, a nut, a connecting rod assembly, and a lower support block; a through hole is provided on the upper support block; the screw passes through the through hole of the upper support block; a nut matching the thread of the screw is provided on the screw, located above the upper support block; there are multiple connecting rod assemblies, each of which includes a connecting rod and an arc block; the upper end of each connecting rod can be rotatably connected to the lower part of the upper support block; the arc block is rotatably arranged at the lower end of the connecting rod; a lower support block fixed to the screw is provided on the screw, located below the upper support block.

[0004] When the above technical solution is implemented, it is necessary to move the support block downward by screwing the handle. The support block moves downward along the screw and expands outward at the same time, so that the outer surface of the arc block is close to the inner wall of the object to be lifted, and the friction force of the arc block on the inner wall of the object to be lifted is used to grab the object to be lifted.

[0005] However, in the above technical solution, since the friction between the arc block and the suspended object is related to the number of turns of the manual handle, and the number of turns of the handle mainly depends on the subjective judgment of the staff, the number of turns may be insufficient. If the number of turns of the handle is not enough, the mutual friction between the arc block and the suspended object will be insufficient, and there is a safety risk that the stator will slip and injure the staff. Moreover, after the stator is hoisted into place, the handle needs to be turned in the opposite direction to loosen the stator. The whole process consumes a certain amount of manpower, is time-consuming, and is inefficient. Utility Model Content

[0006] In view of the problem that the grabbing of the motor stator in the above-mentioned prior art is carried out through manual control, which is not only time-consuming and labor-intensive, but also has the risk of the motor stator slipping due to loose fixation. The utility model provides a motor stator hanger, which is driven by a driving mechanism and does not require manual control, thereby improving the safety and reliability of grabbing the motor stator.

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0008] A motor stator hanger comprises a first connecting seat, a plurality of first connecting rods and a plurality of second connecting rods, wherein the first connecting rods are distributed in a circle at the bottom of the first connecting seat, one end of the first connecting rods is rotatably connected to the first connecting seat, and the other end is rotatably connected to one end of the second connecting rod in a one-to-one correspondence, that is, one first connecting rod is rotatably connected to one second connecting rod in correspondence; an abutment assembly for abutting against an inner wall of a motor stator is provided on the outer side of the first connecting rod, a driving mechanism is provided on the first connecting seat, one end of the second connecting rod away from the first connecting rod is rotatably connected to a power output end of the driving mechanism, and the driving mechanism is used to drive the end of the second connecting rod away from the first connecting rod to move up and down, and when the end of the second connecting rod away from the first connecting rod moves up and down, the first connecting rod approaches or moves away from the second connecting rod.

[0009] In the above technical scheme, in the initial state, one end of the second connecting rod connected to the driving mechanism is located above the end connected to the first connecting rod; when it is necessary to grab the motor stator, the first connecting rod is first inserted into the inner cavity of the motor stator, and then the driving mechanism drives the second connecting rod to move downward away from the end of the first connecting rod, so that the second connecting rod gradually tends to a horizontal state, so that the end of the first connecting rod close to the second connecting rod gradually moves away from each other until the abutment assembly is close to the inner wall of the inner cavity of the motor stator. When it is necessary to remove the motor stator, the driving mechanism drives the second connecting rod to move upward away from the end of the first connecting rod, so that the end of the first connecting rod close to the second connecting rod gradually moves closer to each other until the abutment assembly is separated from the inner wall of the inner cavity of the motor stator. Using the driving mechanism to drive the second connecting rod to move up and down is more labor-saving than manually driving the second connecting rod to move up and down, and the mutual friction between the abutment assembly driven by the driving mechanism and the motor stator is highly consistent, which can reduce the risk of the stator slipping and injuring the staff.

[0010] The driving mechanism may be one of a cylinder driving mechanism, a hydraulic cylinder driving mechanism, a synchronous belt driving mechanism, a motor screw driving mechanism, an electric push rod driving mechanism, a gear rack driving mechanism, etc.

[0011] Preferably, the driving mechanism comprises a cylinder, the cylinder body of the cylinder is connected to the first connecting seat, and the end of the second connecting rod away from the first connecting rod is rotatably connected to the end of the piston rod of the cylinder. When the piston rod of the cylinder is extended, the end of the second connecting rod connected to the cylinder piston rod moves downward, and when the piston rod of the cylinder is retracted, the end of the second connecting rod connected to the cylinder piston rod moves upward. The structure of the cylinder is relatively simple and the response is fast, which can improve the grasping efficiency of the motor stator.

[0012] Preferably, it further comprises an air intake pipe and a pilot valve arranged on the air intake pipe, wherein the air intake pipe is communicated with the inside of the cylinder body of the cylinder. The air intake pipe is used to connect an external air source, and when the air source is interrupted or the air pressure is insufficient during the process of the external air source providing air pressure to the inside of the cylinder body, the pilot valve can detect the abnormality of the air source pressure and quickly cut off the air source supply to the cylinder to stop the movement of the piston rod of the cylinder and prevent the motor stator from slipping due to the retraction of the piston rod of the cylinder.

[0013] Preferably, the air inlet pipe is also provided with an air control valve, which is arranged on the second connecting seat. The staff can manually open or close the air control valve to connect or disconnect the inside of the cylinder body with the external air source, thereby extending or retracting the piston rod of the cylinder. Providing an air control valve on the air inlet pipe allows the staff to more easily approach and control the supply of the air source, making it more convenient and quick to grab the motor stator.

[0014] Preferably, a first holding portion and a second holding portion are respectively provided on opposite sides of the second connecting seat. A staff member can adjust the posture of the device or carry the device by holding the first holding portion and the second holding portion.

[0015] Preferably, a lifting ring is provided on the second connecting seat. After the device grabs the motor stator, the hook of the lifting device can be passed through the lifting ring so as to lift the device and the motor stator together into the gearbox housing.

[0016] Since leads extend from the end faces of some motor stators, these leads are used for data transmission and communication between the motor and external devices. In order to avoid the first connection seat from squeezing these leads, preferably, a limit rod is provided on the first connection seat, the axis of the limit rod is parallel to the axis of the piston rod of the cylinder, and the end of the limit rod away from the first connection seat is used to abut against the annular end face of the motor stator. When grabbing the motor stator, the limit rod can abut against the annular end face of the motor stator, so that the annular end face of the motor stator maintains a certain distance from the bottom face of the first connection seat, avoiding the first connection seat from squeezing and damaging the leads on the motor stator.

[0017] Preferably, at least three limiting rods are provided and distributed in a circumference, so that the force on the motor stator can be more balanced, thereby improving the stability of the motor stator.

[0018] Preferably, the abutment assembly is provided with an arc portion for fitting with the inner wall of the inner cavity of the motor stator. The inner wall of the inner cavity of the motor stator is an arc surface, and the provision of the arc portion can increase the contact area between the abutment assembly and the inner wall of the inner cavity of the motor stator, thereby increasing the friction between the abutment assembly and the motor stator, and making the grip of the motor stator more secure.

[0019] Preferably, the abutment assembly includes a metal block connected to the first connecting rod and a polyurethane block connected to the metal block, and the arc portion is arranged on the polyurethane block. The metal block can improve the rigidity and strength of the abutment assembly, while the polyurethane block has good wear resistance, elasticity and adhesion, and can provide a more uniform contact area and pressure distribution when in contact with the inner wall of the inner cavity of the motor stator, and can be closely adhered to the inner wall of the inner cavity of the motor stator, thereby improving the stability of the motor stator. Moreover, the polyurethane block will not cause wear to the motor stator when in contact with the motor stator.

[0020] Beneficial effects of the utility model:

[0021] (1) Using a cylinder to drive the second connecting rod to move up and down saves more manpower than manually driving the second connecting rod to move up and down. In addition, the mutual friction between the abutment assembly driven by the cylinder and the motor stator is highly consistent, which can reduce the risk of the stator slipping and injuring workers.

[0022] (2) A pilot valve is installed on the air inlet pipe to detect abnormal air source pressure and quickly cut off the air supply to the cylinder to stop the movement of the cylinder piston rod and prevent the motor stator from slipping due to the retraction of the cylinder piston rod. At the same time, an air control valve is installed on the air inlet pipe to make it easier for staff to approach and control the air supply to the cylinder.

[0023] (3) The device is provided with a limit rod, which can keep a certain distance between the motor stator and the first connecting seat when grabbing the motor stator, so as to avoid the first connecting seat from squeezing the lead extending out of the end face of the motor stator. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of a motor stator hanger from the first perspective;

[0025] Figure 2 It is a structural schematic diagram of a motor stator hanger from a second perspective;

[0026] Figure 3 It is a structural schematic diagram of a motor stator hanger from a third perspective.

[0027] In the accompanying drawings: 1-first connecting seat; 101-extension structure; 2-first connecting rod; 3-second connecting rod; 4-abutment assembly; 401-metal block; 402-polyurethane block; 4021-arc-shaped portion; 5-cylinder; 6-pilot valve; 7-air control valve; 8-second connecting seat; 9-first holding portion; 10-second holding portion; 11-lifting ring; 12-limiting rod. DETAILED DESCRIPTION

[0028] The drawings are only for illustrative purposes and cannot be construed as limiting the present invention. To better illustrate the present embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. The positional relationships described in the drawings are only for illustrative purposes and cannot be construed as limiting the present invention.

[0029] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "long", "short" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, they are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0030] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

[0031] Example 1

[0032] Combination Figures 1 to 3 A motor stator hanger is shown, which comprises a first connecting seat 1, three first connecting rods 2 and three second connecting rods 3, wherein the first connecting rods 2 are circumferentially distributed at the bottom of the first connecting seat 1. Three extension structures 101 are provided at the bottom of the first connecting seat 1, one end of each first connecting rod 2 is rotatably connected to the first connecting seat 1 through an extension structure 101, and the other end is rotatably connected to one end of the second connecting rod 3 in a one-to-one correspondence, that is, one first connecting rod 2 is rotatably connected to one second connecting rod 3 in a corresponding manner; and an abutting assembly 4 for abutting against the inner wall of the motor stator is provided on the outer side of each first connecting rod 2.

[0033] Furthermore, a driving mechanism is provided on the first connecting seat 1, and the end of the second connecting rod 3 away from the first connecting rod 2 is rotatably connected to the power output end of the driving mechanism. The driving mechanism is used to drive the end of the second connecting rod 3 away from the first connecting rod 2 to move up and down. When the end of the second connecting rod 3 away from the first connecting rod 2 moves up and down, the first connecting rod 2 approaches the second connecting rod 3 or moves away from each other.

[0034] Furthermore, the driving mechanism includes a cylinder 5, a cylinder body of the cylinder 5 is connected to the first connecting seat 1, and one end of the second connecting rod 3 away from the first connecting rod 2 is rotatably connected to the end of the piston rod of the cylinder 5. When the piston rod of the cylinder 5 is extended, the end of the second connecting rod 3 connected to the piston rod of the cylinder 5 moves downward, and when the piston rod of the cylinder 5 is retracted, the end of the second connecting rod 3 connected to the piston rod of the cylinder 5 moves upward. The structure of the cylinder 5 is relatively simple and the response is fast, which can improve the grasping efficiency of the motor stator.

[0035] Furthermore, it also includes an air intake pipe (not shown in the figure) and a pilot valve 6 arranged on the air intake pipe, and the air intake pipe is connected to the inside of the cylinder body of the cylinder 5. The air intake pipe is used to connect an external air source. In the process of the external air source providing air pressure to the inside of the cylinder body of the cylinder 5, when the air source is interrupted or the air pressure is insufficient, the pilot valve 6 can detect the abnormality of the air source pressure and quickly cut off the air source supply to the cylinder 5 to stop the movement of the piston rod of the cylinder 5, so as to prevent the motor stator from slipping due to the retraction of the piston rod of the cylinder 5.

[0036] Furthermore, an air control valve 7 is provided on the air inlet pipe. The staff can manually open or close the air control valve 7 to connect or disconnect the inside of the cylinder 5 with the external air source, thereby extending or retracting the piston rod of the cylinder 5. Providing the air control valve 7 on the air inlet pipe allows the staff to more easily access and control the supply of the air source, making it more convenient and quick to grab the motor stator.

[0037] The working principle or workflow of this embodiment: in the initial state, the end of the second connecting rod 3 connected to the piston rod of the cylinder 5 is located above the end connected to the first connecting rod 2; when it is necessary to grab the motor stator, first extend the first connecting rod 2 into the inner cavity of the motor stator, then the cylinder 5 extends its piston rod to drive the end of the second connecting rod 3 away from the first connecting rod 2 to move downward, so that the second connecting rod 3 gradually tends to a horizontal state, so that the end of the first connecting rod 2 close to the second connecting rod 3 gradually moves away from each other until the abutment assembly 4 is tightly attached to the inner wall of the inner cavity of the motor stator. When it is necessary to remove the motor stator, the cylinder 5 retracts its piston rod to drive the end of the second connecting rod 3 away from the first connecting rod 2 to move upward, so that the end of the first connecting rod 2 close to the second connecting rod 3 gradually moves closer to each other until the abutment assembly 4 is separated from the inner wall of the inner cavity of the motor stator.

[0038] The beneficial effects of this embodiment are as follows: using a cylinder to drive the second connecting rod to move up and down saves more manpower compared to manually driving the second connecting rod to move up and down, and the mutual friction between the abutment assembly driven by the cylinder and the motor stator is highly consistent, which can reduce the risk of the stator slipping and injuring workers, and is safer and more reliable.

[0039] Example 2

[0040] This embodiment is based on the embodiment 1. Figures 1 to 3As shown, the top of the cylinder 5 is provided with a second connection seat 8, and the opposite sides of the second connection seat 8 are respectively provided with a first holding portion 9 and a second holding portion 10. The staff can hold the first holding portion 9 and the second holding portion 10 to adjust the posture of the device or carry the device.

[0041] Further, a lifting ring 11 is provided on the second connecting seat 8. After the device grabs the motor stator, the hook of the lifting device can be passed through the lifting ring 11 so as to lift the device and the motor stator together into the gearbox housing.

[0042] The other features, working principles and beneficial effects of this embodiment are consistent with those of Embodiment 1.

[0043] Example 3

[0044] This embodiment is based on the embodiment 2. Figures 1 to 3 As shown, a limiting rod 12 is provided at the bottom of the first connecting seat 1, and the axis of the limiting rod 12 is parallel to the axis of the piston rod of the cylinder 5. The end of the limiting rod 12 away from the first connecting seat 1 is used to abut against the annular end face of the motor stator. When grabbing the motor stator, the limiting rod 12 can abut against the annular end face of the motor stator, so that the annular end face of the motor stator maintains a certain distance from the bottom face of the first connecting seat 1. Since leads extend from the end faces of some motor stators, these leads are used for data transmission and communication between the motor and external devices. Keeping the annular end face of the motor stator at a certain distance from the bottom face of the first connecting seat 1 can avoid extrusion damage to these leads caused by the first connecting seat 1.

[0045] Specifically, three limiting rods 12 are provided and distributed in a circumference, so that the force on the motor stator can be more balanced, thereby improving the stability of the motor stator.

[0046] Furthermore, the abutting component 4 is provided with an arc portion 4021 for fitting with the inner wall of the inner cavity of the motor stator. The inner wall of the inner cavity of the motor stator is an arc surface, and the arc portion 4021 can increase the contact area between the abutting component 4 and the inner wall of the inner cavity of the motor stator, thereby increasing the friction between the abutting component 4 and the motor stator, and making the grasping of the motor stator more secure.

[0047] Further, the abutment assembly 4 includes a metal block 401 connected to the first connecting rod 2 and a polyurethane block 402 connected to the metal block 401, and the arc portion 4021 is arranged on the polyurethane block 402. The metal block 401 can improve the rigidity and strength of the abutment assembly 4, and the polyurethane block has good wear resistance, elasticity and adhesion, which can provide a more uniform contact area and pressure distribution when contacting the inner wall of the inner cavity of the motor stator, and at the same time, it can be closely adhered to the inner wall of the inner cavity of the motor stator, thereby improving the stability of the motor stator. Moreover, the polyurethane block 402 will not cause wear to the motor stator when contacting the motor stator.

[0048] The other features, working principles and beneficial effects of this embodiment are consistent with those of Embodiment 2.

[0049] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description, and it is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A motor stator hanger, comprising a first connecting seat (1), a plurality of first connecting rods (2) and a plurality of second connecting rods (3), wherein the first connecting rods (2) are circumferentially distributed at the bottom of the first connecting seat (1), one end of the first connecting rod (2) is rotatably connected to the first connecting seat (1), and the other end is rotatably connected to one end of the second connecting rod (3) in a one-to-one correspondence, and an abutting assembly (4) for abutting against an inner wall of a motor stator is provided on the outer side of the first connecting rod (2), characterized in that: A driving mechanism is provided on the first connecting seat (1); an end of the second connecting rod (3) away from the first connecting rod (2) is rotatably connected to a power output end of the driving mechanism; the driving mechanism is used to drive the end of the second connecting rod (3) away from the first connecting rod (2) to move up and down; when the end of the second connecting rod (3) away from the first connecting rod (2) moves up and down, an end of the first connecting rod (2) close to the second connecting rod (3) moves closer to or away from each other.

2. A motor stator hanger according to claim 1, characterized in that: The driving mechanism comprises a cylinder (5), the cylinder body of the cylinder (5) is connected to the first connecting seat (1), and the end of the second connecting rod (3) away from the first connecting rod (2) is rotatably connected to the end of the piston rod of the cylinder (5).

3. A motor stator hanger according to claim 2, characterized in that: It also includes an air intake pipe and a pilot valve (6) arranged on the air intake pipe, and the air intake pipe is connected to the interior of the cylinder body of the cylinder (5).

4. A motor stator hanger according to claim 3, characterized in that: The air inlet pipe is also provided with an air control valve (7).

5. The motor stator hanger according to claim 2, characterized in that: A second connecting seat (8) is provided on the top of the cylinder body of the cylinder (5), and a first holding portion (9) and a second holding portion (10) are provided on the second connecting seat (8).

6. The motor stator hanger according to claim 5, characterized in that: The second connecting seat (8) is also provided with a lifting ring (11).

7. The motor stator hanger according to claim 2, characterized in that: A limiting rod (12) is provided on the first connecting seat (1), the axis of the limiting rod (12) is parallel to the axis of the piston rod of the cylinder (5), and the end of the limiting rod (12) away from the first connecting seat (1) is used to abut against the annular end surface of the motor stator.

8. The motor stator hanger according to claim 7, characterized in that: At least three limiting rods (12) are provided and distributed in a circumference.

9. A motor stator hanger according to any one of claims 1 to 8, characterized in that: The abutment assembly (4) is provided with an arc-shaped portion (4021) for abutting against the inner wall of the inner cavity of the motor stator.

10. The motor stator hanger according to claim 9, characterized in that: The abutment assembly (4) comprises a metal block (401) connected to the first connecting rod (2) and a polyurethane block (402) connected to the metal block (401), and the arc-shaped portion (4021) is arranged on the polyurethane block (402).

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