Speed reducer assembly lifting appliance

Abstract

The utility model relates to a lifting appliance for a speed reducer assembly. The lifting appliance comprises a main body, an elastic lifting piece and an adjusting piece, the lower end of the main body is connected with a general assembly lifting lug of an assembly shell, the two sides, extending in the length direction, of the main body are divided into a first side and a second side, the lower end face of the first side is matched with a protrusion of the assembly shell, and an adjusting hole penetrating in the vertical direction is formed in the second side; the elastic hoisting piece is connected to the upper end of the main body and is connected with the hoisting device; the adjusting piece is installed in the adjusting hole in a vertically adjustable mode, and the lower end of the adjusting piece is used for abutting against the assembly shell. The lower end face of the first side and / or the lower end of the adjusting piece are / is always abutted against the assembly shell under the counter-force action of the joint of the main body and the lifting lug of the assembly shell, the lower end face of the first side and the lower end of the adjusting piece, so that the posture of the transmission assembly is fixed, and overturning is avoided; and the elastic hoisting piece further buffers and balances fluctuation in the hoisting process, so that the transmission assembly is stable.

Description

Technical Field

[0001] The utility model relates to the field of gearbox assembly, in particular to a speed reducer assembly hanger. Background Art

[0002] During the assembly of automotive parts, the powertrain or transmission unit is often hoisted. The operation requires that the center of gravity of the object passes through the hoisting axis, and the object cannot shake during the transportation process to prevent the assembly from flipping during the lifting and translation process. Once flipping or shaking occurs, it is very easy to cause harm to personnel. Most of the current assemblies are special-shaped structures, and the center of gravity will shift at different stages of assembly. It is often difficult to meet this requirement using a single hoist. Utility Model Content

[0003] Based on the above description, the present invention provides a speed reducer assembly lifting fixture to solve the problem that the center of gravity of the existing power assembly using one lifting fixture may shift during different stages of assembly.

[0004] The technical solution of the utility model to solve the above technical problems is as follows:

[0005] A speed reducer assembly lifting device, comprising:

[0006] The main body has a middle portion at its lower end for connection to the assembly lug of the assembly housing. The main body has two sides along its length divided into a first side and a second side. The lower end surface of the first side is adapted to fit the protrusion of the assembly housing. The second side is provided with an adjustment hole extending vertically therethrough.

[0007] an elastic lifting member connected to the upper end of the main body and used to connect to the lifting device; and

[0008] The adjusting member can be installed in the adjusting hole in an adjustable manner in the up and down directions, and the lower end of the adjusting member is used to abut against the assembly housing.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows:

[0010] Furthermore, the main body is formed with a connection groove with a notch facing downward, the connection groove is adapted to be adapted to the assembly lifting lug, and both side walls of the connection groove that are oppositely distributed along the width direction of the main body are penetrated by connection through holes;

[0011] The reducer assembly lifting device also includes a connecting pin, which is used to pass through the lifting hole of the assembly lifting ear and the two connecting through holes.

[0012] Furthermore, the subject includes:

[0013] a main body; and,

[0014] a connecting portion connected to the middle portion of the lower end surface of the main body;

[0015] The lower end surface of the main body is concavely provided with a receiving groove, and the receiving groove passes through the connecting portion downward to divide the connecting portion into two connecting blocks;

[0016] The receiving groove and the gap between the two connecting blocks constitute the connecting groove;

[0017] The two connecting through holes are respectively provided on the two connecting blocks;

[0018] The side surface of the connecting portion close to the first side and the lower end surface of the first side are used to form an arc-shaped surface adapted to the protrusion.

[0019] Furthermore, two groove walls of the accommodating groove spaced apart along the width direction of the main body are each provided with a rubber block, and the width of each rubber block is gradually reduced from top to bottom.

[0020] Furthermore, the shaft diameter of the middle portion of the connecting pin is smaller than the shaft diameters of the two ends of the connecting pin.

[0021] Furthermore, the difference between the axial diameters at both ends of the connecting pin and the axial diameter in the middle thereof is Δd, and 0.9 mm ≤ Δd ≤ 1.1 mm.

[0022] Furthermore, the main body further comprises a hoisting portion, wherein the hoisting portion is provided with a plurality of first hanging holes distributed along the length direction of the main body;

[0023] The elastic hanging member comprises:

[0024] A lifting lug having a second lifting hole for connection of a lifting device and a plurality of third lifting holes corresponding one-to-one to the plurality of first lifting holes; and

[0025] A plurality of tension springs correspond one-to-one to the plurality of first hanging holes, and two ends of each tension spring are respectively connected to the corresponding first hanging holes and the corresponding third hanging holes.

[0026] Furthermore, the adjustment hole is configured as a threaded hole;

[0027] The adjusting member is configured as a bolt threadedly connected to the threaded hole.

[0028] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0029] The lower side surface of the first side is adapted to the protrusion of the assembly shell, the middle part of the lower end of the main body is connected to the assembly lifting ear of the assembly shell, and the second side is provided with an adjustment hole that passes through in the upper and lower directions; after the middle part of the lower end of the main body is connected to the assembly lifting ear, the adjusting member is adjusted so that the lower end of the adjusting member abuts against the assembly shell, and at this time, the lower end surface of the first side is tightly abutted against the protrusion, so that after the lifting device is lifted, if the center of gravity of the transmission assembly shifts, the reaction force of the main body and the lifting ear of the assembly shell, the lower end surface of the first side and the lower end of the adjusting member makes the lower end surface of the first side and / or the lower end of the adjusting member always abut against the assembly shell, so that the posture of the transmission assembly is fixed; and the main body is connected to the lifting device through the elastic lifting member, which buffers and balances the fluctuations during the lifting process, so that the transmission assembly is stable; in this way, the posture of the transmission assembly is fixed and the shaking is buffered during the lifting process by a reducer assembly lifting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 A partial schematic diagram of a speed reducer assembly lifting device in use according to an embodiment of the present invention;

[0031] Figure 2 It is a partial structural diagram of the main body in the embodiment of the utility model;

[0032] Figure 3 This is a schematic structural diagram of a connecting pin in an embodiment of the utility model;

[0033] Figure 4 This is a schematic structural diagram of the lifting lug in an embodiment of the present utility model;

[0034] Figure 5 This is a schematic diagram of the structure of the extension spring in the embodiment of the present utility model;

[0035] Figure 6 This is a schematic structural diagram of the adjusting member in an embodiment of the present utility model;

[0036] Figure 7 It is a side view schematic diagram of the main body in the embodiment of the utility model (excluding the lifting part).

[0037] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0038] 1. Main body; 11. First side; 12. Second side; 13. Main body; 131. Accommodating groove; 132. Adjusting hole; 14. Connecting part; 141. Connecting through hole; 15. Connecting groove; 16. Arc-shaped surface; 17. Lifting part; 171. First lifting hole; 2. Elastic lifting part; 21. Lifting ear; 211. Second lifting hole; 212. Third lifting hole; 22. Tension spring; 3. Adjusting part; 31. Stud; 4. Connecting pin; 5. Rubber block; a. Reducer assembly; a1 assembly housing; a11. Protrusion. DETAILED DESCRIPTION

[0039] To facilitate understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The accompanying drawings provide embodiments of the present application. However, the present application may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application pertains. The terms used herein in the specification of this application are for the purpose of describing specific embodiments only and are not intended to limit this application.

[0041] It will be understood that spatial relational terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be understood that in addition to the orientations shown in the figures, spatial relational terms also include different orientations of the device in use and operation. For example, if the device in the drawings is turned over, the element or feature described as "under" or "beneath" or "beneath" the other elements will be oriented as "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include alternative orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0042] When used herein, the singular forms "a", "an", and "the" may also include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" and the like specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the possibility of the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

[0043] Reference Figure 1 and Figure 2The utility model provides a speed reducer assembly lifting device, including:

[0044] The main body 1 has a lower end for connection to the assembly lug 21 of the assembly housing a1. The main body 1 has two sides extending along its length, which are divided into a first side 11 and a second side 12. The lower end surface of the first side 11 is adapted to fit the protrusion a11 of the assembly housing a1. The second side 12 is provided with an adjustment hole 132 extending vertically therethrough.

[0045] an elastic hanging member 2 connected to the upper end of the main body 1 and used to connect to the lifting device; and

[0046] The adjusting member 3 can be installed in the adjusting hole 132 in an adjustable manner in the up and down directions, and the lower end of the adjusting member 3 is used to abut against the assembly housing a1.

[0047] After the middle of the lower end of the main body 1 is connected to the assembly lifting ear, the adjusting member 3 is adjusted so that the lower end of the adjusting member 3 is in contact with the assembly shell a1. At this time, the lower end surface of the first side 11 is tightly in contact with the protrusion a11. Therefore, after the lifting device is lifted, if the center of gravity of the reducer assembly a shifts, it is subjected to the reaction force of the main body 1 and the lifting ear 21 of the assembly shell a1, the lower end surface of the first side 11 and the lower end of the adjusting member 3, so that the lower end surface of the first side 11 and / or the lower end of the adjusting member 3 are always in contact with the assembly shell a1, so that the posture of the reducer assembly a is fixed to avoid overturning; and the main body 1 is connected to the lifting device through the elastic lifting member 2, which buffers and balances the fluctuations in the lifting process, so that the reducer assembly a is stable; in this way, the posture of the reducer assembly a is fixed and the shaking is buffered by a reducer assembly lifting device during the lifting process.

[0048] Specifically, continue to refer to Figure 1 and Figure 2 In order to connect the main body 1 with the assembly lifting ear, in this embodiment, the main body 1 is formed with a connecting groove 15 with a notch facing downward, and the connecting groove 15 is used to adapt to the assembly lifting ear 21, and the two side walls of the connecting groove 15 that are relatively distributed along the width direction of the main body 1 are penetrated by connecting through holes 141; the reducer assembly hanging device also includes a connecting pin 4, and the connecting pin 4 is used to pass through the lifting hole of the assembly lifting ear and the two connecting through holes 141; so that the two side walls of the connecting groove 15 that are relatively distributed along the width direction of the main body 1 clamp the assembly lifting ear, and the connecting pin 4 passes through one of the connecting through holes 141, the lifting hole of the assembly lifting ear 21 and the other connecting through hole 141 in sequence to connect the main body 1 with the assembly lifting ear. In this way, the connection is stable and the safety performance is high, and the reaction force of the assembly shell a1 can be realized with the lower end surface of the first side 11 and the lower end of the adjusting member 3.

[0049] In one embodiment, the lower end of the main body 1 may be provided with a through hole extending along the width direction of the main body 1, and a stud may pass through the through hole and the hanging hole of the assembly lug 21, and two nuts may be screwed to the two ends of the stud to connect the main body 1 and the assembly lug 21; in this way, the structure is simple.

[0050] More specifically, in this embodiment, referring to Figure 1 and Figure 2 , the hoisting position of the assembly shell a1 is the reinforcement rib, and the assembly lifting ear is provided on the reinforcement rib; the main body 1 includes a main body portion 13 and a connecting portion 14, and the connecting portion 14 is connected to the middle part of the lower end surface of the main body portion 13; the lower end surface of the main body portion 13 is concavely provided with a receiving groove 131, and the receiving groove 131 passes through the connecting portion 14 downward to divide the connecting portion 14 into two connecting blocks; the receiving groove 131 and the gap between the two connecting blocks constitute the connecting groove 15; at least part of the upper end of the reinforcement rib accommodates It is accommodated in the accommodating groove 131, and the two connecting blocks jointly clamp the assembly lifting ear, and are movably adjusted along the length direction of the main body 1 so that the two connecting through holes 141 correspond to the lifting holes of the assembly lifting ear, and then the connecting pin 4 is passed through the lifting hole of the assembly lifting ear and the two connecting through holes 141, so as to connect the assembly shell a1 to the main body 1; in this way, the connecting groove 15 is divided into two parts, one part accommodates the upper end of the reinforcing rib, and the other part is connected to the assembly lifting ear, with a solid structure and stable installation.

[0051] In addition, the side surface of the connecting portion 14 close to the first side 11 and the lower end surface of the first side 11 are used to form an arcuate surface 16 adapted to the protrusion a11; when the main body 1 is connected to the assembly lifting ear, the lower end of the adjusting member 3 is adjusted to abut against the assembly shell a1 and the arcuate surface 16 is pressed against the protrusion a11, so that during the lifting process, the arcuate surface 16 and the lower end of the adjusting member 3 are always set close to the assembly shell a1, thereby achieving a fixed posture of the assembly shell a1, avoiding overturning, and improving stability.

[0052] In one embodiment, the adjusting member 3 can be configured as a cylinder, which is installed on the upper end surface of the main body 1. The driving rod of the cylinder passes through the adjusting hole 132, and the driving rod of the cylinder can be extended and retracted in the up and down directions, so that the end of the driving rod can abut against the assembly shell a1.

[0053] In this embodiment, referring to Figure 2 and Figure 6The adjustment hole 132 is configured as a threaded hole; the adjustment member 3 is configured as a bolt 31 threadedly engaged with the threaded hole. The bolt 31 can be rotated to move upward or downward within the threaded hole, thereby causing the lower end of the bolt 31 to abut against the assembly housing a1. This provides a simple structure, saves costs, and is easy to configure.

[0054] Furthermore, in this embodiment, referring to Figure 2 and Figure 7 The two groove walls of the accommodating groove 131, which are spaced apart along the width direction of the main body 1, are each provided with a rubber block 5, and the width of each rubber block 5 is gradually reduced from top to bottom. The cross-section of each rubber block 5 is triangular, and the two sides of the triangle are respectively bonded to the bottom wall and side wall of the accommodating groove 131; the assembly ear is connected to the main body 1, and the upper end of the reinforcing rib is installed in the accommodating groove 131. The two rubber blocks 5 are deformed and jointly squeeze the upper end of the reinforcing rib, thereby increasing the contact friction and making the connection between the assembly ear and the main body 1 more stable.

[0055] Further, refer to Figure 1 and Figure 3 , the shaft diameter of the middle part of the connecting pin 4 is smaller than the shaft diameter at both ends of the connecting pin 4. In this embodiment, the diameter of the shaft section located in the middle part of the connecting pin 4 is smaller than the diameter of the shaft section located at both ends of the connecting pin 4. There is a step between the shaft section located in the middle part of the connecting pin 4 and the shaft sections located at both ends of the connecting pin 4. During the lifting process, if the connecting pin 4 moves radially, it is limited by the step under the influence of its own gravity, and the slippage of the connecting pin 4 is restricted to prevent the reducer assembly a from falling off.

[0056] Further, continue to refer to Figure 3 The difference between the shaft diameter at both ends of the connecting pin 4 and the shaft diameter in the middle is Δd, the diameter of the shaft section located in the middle of the connecting pin 4 is d1, and the shaft sections located at both ends of the connecting pin 4 are d2, d2-d1=Δd, 0.9mm≤Δd≤1.1mm. In this embodiment, Δd=1mm. In this way, when the assembly shell a1 and the main body 1 are connected, it will not affect the installation and removal of the connecting pin 4 from the connecting through hole 141 and the hanging hole.

[0057] Specifically, in this embodiment, referring to Figure 1 、 Figure 2 、 Figure 4 and Figure 5The main body 1 also includes a lifting part 17, which is installed on the upper end surface of the main body 13, and the lifting part 17 is provided with a plurality of first lifting holes 171 distributed along the length direction of the main body 1; the elastic lifting part 2 includes a lifting ear 21 and a plurality of tension springs 22, and the lifting ear 21 is provided with a second lifting hole 211 for connecting a lifting device and a plurality of third lifting holes 212 corresponding to the plurality of first lifting holes 171 one by one; a plurality of tension springs 22 correspond one by one to the plurality of first lifting holes 171, and the two ends of each of the tension springs 22 are respectively connected to the corresponding first lifting holes 171 and the third lifting holes 212; thereby generating fluctuations during the lifting process, the plurality of tension springs 22 play a buffering role to prevent shaking, so that the lifting process of the reducer assembly a is smooth.

[0058] It should be noted that the number of the tension springs 22 is not limited. In the present embodiment, three tension springs 22 are provided. The number can be set according to actual conditions, or more can be provided. The first hanging hole 171 and the third hanging hole 212 are also set to corresponding numbers, so as to achieve better buffering effect.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A speed reducer assembly hanger, characterized in that: include: A main body, the lower end of which is used to connect to the assembly ear of the assembly housing. The two sides of the main body distributed along the length direction are divided into a first side and a second side. The lower end surface of the first side is adapted to fit the protrusion of the assembly housing. The second side is provided with an adjustment hole extending vertically therethrough. an elastic lifting member connected to the upper end of the main body and used to connect to the lifting device; and The adjusting member can be installed in the adjusting hole in an adjustable manner in the up and down directions, and the lower end of the adjusting member is used to abut against the assembly housing.

2. The speed reducer assembly hanger according to claim 1, characterized in that: The main body is formed with a connection groove with a notch facing downward, the connection groove is adapted to be adapted to the assembly lifting lug, and both side walls of the connection groove, which are oppositely distributed along the width direction of the main body, are penetrated by connection through holes; The reducer assembly lifting device also includes a connecting pin, which is used to pass through the lifting hole of the assembly lifting ear and the two connecting through holes.

3. The speed reducer assembly hanger according to claim 2, characterized in that: The subject includes: a main body; and, a connecting portion connected to the middle portion of the lower end surface of the main body; The lower end surface of the main body is concavely provided with a receiving groove, and the receiving groove passes through the connecting portion downward to divide the connecting portion into two connecting blocks; The receiving groove and the gap between the two connecting blocks constitute the connecting groove; The two connecting through holes are respectively provided on the two connecting blocks; The side surface of the connecting portion close to the first side and the lower end surface of the first side are used to form an arc-shaped surface adapted to the protrusion.

4. The speed reducer assembly hanger according to claim 3, characterized in that: The two groove walls of the accommodating groove that are spaced apart along the width direction of the main body are both provided with rubber blocks, and the width of each rubber block is gradually reduced from top to bottom.

5. The speed reducer assembly hanger according to claim 2, characterized in that: The shaft diameter of the middle portion of the connecting pin is smaller than the shaft diameters of both ends of the connecting pin.

6. The speed reducer assembly hanger according to claim 5, characterized in that: The difference between the shaft diameters at both ends of the connecting pin and the shaft diameter in the middle thereof is Δd, and 0.9 mm ≤ Δd ≤ 1.1 mm.

7. The speed reducer assembly hanger according to claim 1, characterized in that: The main body further comprises a hanging portion, wherein the hanging portion is provided with a plurality of first hanging holes distributed along the length direction of the main body; The elastic hanging member comprises: A lifting lug having a second lifting hole for connection of a lifting device and a plurality of third lifting holes corresponding one-to-one to the plurality of first lifting holes; and A plurality of tension springs correspond one-to-one to the plurality of first hanging holes, and two ends of each tension spring are respectively connected to the corresponding first hanging holes and the corresponding third hanging holes.

8. The speed reducer assembly hanger according to claim 1, characterized in that: The adjustment hole is configured as a threaded hole; The adjusting member is configured as a bolt threadedly connected to the threaded hole.

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