Rear-row planet carrier assembly grabbing device and using method

Abstract

The invention relates to the technical field of gearbox assembly, in particular to a rear row planet carrier assembly grabbing device which comprises a positioning sleeve. An inner shell is arranged in the positioning sleeve; the positioning sleeve is connected with a handle; the handle is connected with the inner shell; a clamping jaw is arranged at the bottom of the positioning sleeve; a guide block is arranged at the bottom of the inner shell; the guide block is propped against the clamping jaw; the clamping jaw is connected with the rear-row planet carrier assembly. When a worker pulls the handle, the inner shell can move in the positioning sleeve in the axial direction. Therefore, the guide blocks can abut against the clamping jaws, the clamping jaws extend towards the two sides and are inserted into the clamping grooves of the rear-row planet carrier assembly, at the moment, the rear-row planet carrier assembly can be movably assembled into the gearbox through the device, and the situation that the installation space of the gearbox is narrow or interference is caused by other parts can be avoided; and the rear-row planet carrier assembly and the gearbox are convenient to assemble.

Description

Technical Field

[0001] The present invention relates to the technical field of gearbox assembly, and in particular to a rear planetary carrier assembly grabbing device and a use method thereof. Background Art

[0002] The gearbox assembly process involves the assembly of the rear planetary carrier assembly and the gearbox. Currently, the rear planetary carrier assembly is assembled into the gearbox manually, which has disadvantages such as inconvenience in taking and associated hidden dangers. Workers manually take and place the planetary carrier assembly, which is difficult to operate and has low work efficiency.

[0003] After searching, the applicant found that the Chinese patent document with publication number 217433627U disclosed a planetary carrier initial installation structure on September 16, 2022, including a frame, a feeding structure, an adjustment structure, a first guide rail, a transfer structure and a grasping structure; the adjustment structure is located in the middle position between the feeding structure and the first guide rail, and the transfer structure is installed on the first guide rail; the grasping structure includes two suction cups, and each time the grasping structure works, it can simultaneously grab the materials on the feeding structure and the adjustment structure, and then feed them into the transfer structure and the adjustment structure respectively, that is, each time the grasping structure works, it will place an adjusted workpiece into the transfer structure, and at the same time place a new workpiece into the adjustment structure; the device also cannot solve the above-mentioned technical problems.

[0004] Therefore, in order to improve or solve at least one of the above problems, it is necessary to provide a rear planetary carrier assembly grabbing device that can easily grab the rear planetary carrier assembly. Summary of the invention

[0005] The object of the present invention is to provide a rear planetary carrier assembly grasping device which can conveniently grasp the rear planetary carrier assembly.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a rear planetary carrier assembly grasping device, comprising a positioning sleeve; an inner shell is provided in the positioning sleeve; the positioning sleeve is connected to a handle; the handle is connected to the inner shell; a claw is provided at the bottom of the positioning sleeve; a guide block is provided at the bottom of the inner shell; the guide block is tightly pressed against the claw; the claw is connected to the rear planetary carrier assembly.

[0007] A top plate is provided at one end of the positioning sleeve; the inner shell includes an inner shell top plate; a mounting hole is provided on the top plate; the handle includes a connecting rod; the connecting rod is arranged in the mounting hole, and the connecting rod is connected to the inner shell top plate; a return spring is sleeved on the connecting rod; the return spring is arranged between the top plate and the inner shell top plate.

[0008] The positioning sleeve is provided with a base at one end away from the top plate; the base includes a connecting hole and a movable groove; the bottom of the inner shell is arranged in the connecting hole; the claw and the guide block are both arranged in the movable groove.

[0009] The base includes a first clamping block and a second clamping block; the movable groove is arranged between the first clamping block and the second clamping block; a first connecting block is arranged on the top of the first clamping block; a second connecting block is arranged on the top of the second clamping block; the bottom of the positioning sleeve is arranged between the first connecting block and the second connecting block; a bolt is connected between the first connecting block and the second connecting block; and the claw is connected to the bolt.

[0010] A first mounting block is provided on both sides of the first connecting block; a second mounting block is provided on both sides of the second connecting block; a first bolt hole is provided on the first mounting block; a second bolt hole is provided on the second mounting block; one end of the bolt is provided in the first bolt hole; the other end of the bolt is provided in the second bolt hole and is connected with a nut; a bolt through hole is provided on the clamping claw; the bolt is provided in the bolt through hole.

[0011] Connecting springs are provided on both sides of the positioning sleeve; a connecting sleeve is sleeved on the connecting spring; the connecting sleeve is fixedly connected to one end of the connecting spring away from the positioning sleeve; the connecting sleeve is connected to the end of the claw.

[0012] A tilting block is provided on one side of the claw; the tilting block includes an inclined surface; the guide block includes an extension section; the extension section is provided in the movable groove, and the extension section is tightly pressed against the inclined surface; a grab hook is provided at one end of the claw away from the connecting spring; a slot is provided on the rear planetary carrier assembly, and the grab hook is inserted into the slot.

[0013] The first connecting block is connected to a mounting plate; a positioning plate is provided at the end of the mounting plate away from the first connecting block; the positioning plate is arranged at the bottom of the mounting plate; a positioning groove is provided on the rear planetary carrier assembly, and the positioning plate is inserted into the positioning groove.

[0014] The inner shell is provided with a limiting hole; the positioning sleeve is provided with a limiting rod; the limiting rod is inserted into the limiting hole.

[0015] A method for using the rear planetary carrier assembly grabbing device comprises the following steps:

[0016] S1: Insert the positioning plate into the positioning slot on the rear planetary carrier assembly;

[0017] S2: Pull the handle axially along the positioning sleeve; at this time, the grab hook is inserted into the slot of the rear planetary carrier assembly.

[0018] The beneficial effects of the present invention are:

[0019] The present invention includes a positioning sleeve; when a staff member pulls the handle, the inner shell can move axially inside the positioning sleeve; thereby, the guide block can be pressed against the clamping claw, so that the clamping claw extends to both sides and is inserted into the clamping groove of the rear planetary carrier assembly. At this time, the rear planetary carrier assembly can be moved and assembled into the gearbox through the device, which can avoid the narrow installation space of the gearbox or interference from other components; the assembly of the rear planetary carrier assembly and the gearbox is convenient, and the assembly efficiency and operation stability of the employees are greatly improved; the device is designed according to the structure of the rear planetary carrier assembly, which is consistent with the size of the rear planetary carrier assembly, and the tooling operation is simple and easy to take, which is convenient for assembly work, solves the problem of inconvenience in the operation of the operator when taking the rear planetary carrier assembly for assembly and the error problem caused by the inconvenience in the operation, and effectively improves the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings, wherein:

[0021] Figure 1 It is a schematic structural diagram of the grabbing device of the rear planetary carrier assembly of the present invention.

[0022] Figure 2 It is a schematic structural diagram of the inner shell of the present invention.

[0023] Figure 3 It is a structural schematic diagram of the base of the present invention.

[0024] Figure 4 It is a schematic diagram of the installation state of the clamping claw of the present invention.

[0025] Figure 5 It is a schematic diagram of the bottom structure of the base of the present invention.

[0026] Figure 6 It is a schematic structural diagram of the clamping claw of the present invention.

[0027] The marks in the above figure are:

[0028] The markings in the figure are:

[0029] 1. Positioning sleeve,

[0030] 2. Inner shell, 201. Inner shell top plate, 202. Limiting hole,

[0031] 3. Handle, 301, connecting rod, 302, return spring,

[0032] 4. Claw, 401. Bolt hole, 402. Tilt block, 403. Inclined surface,

[0033] 5. Guide block, 501, extension section,

[0034] 6. Top plate, 601, mounting holes,

[0035] 7. Base, 701. Connecting hole, 702. Movable groove,

[0036] 8. First clamping block, 801. Second clamping block, 802. First connecting block, 803. Second connecting block, 804. Bolt, 805. First mounting block, 806. Second mounting block, 807. First bolt hole, 808. Second bolt hole, 809. Nut,

[0037] 9. Connecting spring, 901. Connecting sleeve, 902. Grabbing hook,

[0038] 10. Mounting plate, 101. Positioning plate, 102. Limit rod. DETAILED DESCRIPTION

[0039] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.

[0040] Figure 1 The rear planetary carrier assembly grasping device comprises a positioning sleeve 1; an inner shell 2 is arranged in the positioning sleeve 1; a handle 3 is connected to the positioning sleeve 1; the handle 3 is connected to the inner shell 2; a claw 4 is arranged at the bottom of the positioning sleeve 1; a guide block 5 is arranged at the bottom of the inner shell 2; the guide block 5 is pressed against the claw 4; and the claw 4 is connected to the rear planetary carrier assembly.

[0041] When the staff pulls the handle 3, the inner shell 2 can move axially inside the positioning sleeve 1; thereby, the guide block 5 can be pressed against the claw 4, so that the claw 4 extends to both sides and is inserted into the groove of the rear planetary carrier assembly. At this time, the rear planetary carrier assembly can be moved and assembled into the gearbox through the device, which can avoid the narrow installation space of the gearbox or interference from other components; the assembly of the rear planetary carrier assembly and the gearbox is convenient, and the assembly efficiency and operation stability of the employees are greatly improved; the device is designed according to the structure of the rear planetary carrier assembly, which fits the size of the rear planetary carrier assembly, and the tooling operation is simple and easy to take, which is convenient for assembly work, solves the problem of inconvenience in the operation of the operator when taking the rear planetary carrier assembly for assembly and the error problem caused by the inconvenience in the operation, and effectively improves the assembly efficiency.

[0042] A top plate 6 is provided at one end of the positioning sleeve 1; the inner shell 2 includes an inner shell top plate 201; a mounting hole 601 is provided on the top plate 6; the handle 3 includes a connecting rod 301; the connecting rod 301 is provided in the mounting hole 601, and the connecting rod 301 is connected to the inner shell top plate 201; a return spring 302 is sleeved on the connecting rod 301; the return spring 302 is provided between the top plate 6 and the inner shell top plate 201.

[0043] The positioning sleeve 1 and the inner shell 2 are both hollow cylindrical structures with an opening at the bottom; the top plate 6 is arranged on the top of the positioning sleeve 1 and is an integral structure with the positioning sleeve 1; the mounting hole 601 is a through hole, the handle 3 is a T-shaped structure, the connecting rod 301 passes through the mounting hole 601 and extends into the interior of the positioning sleeve 1, and is fixedly connected to the inner shell top plate 201; when the staff pulls the connecting rod 301 outward from the positioning sleeve 1, the inner shell top plate 201 of the inner shell 2 squeezes the reset spring 302; when the staff stops applying force to the handle 3, the reset spring 302 relaxes, and the inner shell 2 rebounds and resets in the positioning sleeve 1.

[0044] A base 7 is provided at one end of the positioning sleeve 1 away from the top plate 6 ; the base 7 includes a connecting hole 701 and a movable groove 702 ; the bottom of the inner shell 2 is arranged in the connecting hole 701 ; the claw 4 and the guide block 5 are both arranged in the movable groove 702 .

[0045] The bottom of the positioning sleeve 1 is fixedly connected to the base 7; the base 7 is an annular structure; the connecting hole 701 is arranged in the middle of the base 7; movable grooves 702 are arranged on both sides of the base 7; the claws 4 are movably connected in the movable grooves 702, and the guide blocks 5 extend into the movable grooves 702 to press against the claws 4 and push the claws 4 out to both sides of the base 7.

[0046] The base 7 includes a first clamping block 8 and a second clamping block 801; the movable groove 702 is arranged between the first clamping block 8 and the second clamping block 801; a first connecting block 802 is arranged on the top of the first clamping block 8; a second connecting block 803 is arranged on the top of the second clamping block 801; the bottom of the positioning sleeve 1 is arranged between the first connecting block 802 and the second connecting block 803; a bolt 804 is connected between the first connecting block 802 and the second connecting block 803; and the claw 4 is connected to the bolt 804.

[0047] The first clamping block 8, the second clamping block 801, the first connecting block 802 and the second connecting block 803 are all semi-annular structures; the first connecting block 802 is fixedly connected to the top of the first clamping block 8, and the second connecting block 803 is fixedly connected to the top of the second clamping block 801; the first connecting block 802 and the second connecting block 803 are connected by bolts 804, and movable grooves 702 are provided between the first clamping block 8 and the second clamping block 801 and between the first connecting block 802 and the second connecting block 803; the claw 4 is movably connected to the screw rod of the bolt 804 and can flexibly rotate on the bolt 804.

[0048] A first mounting block 805 is provided on both sides of the first connecting block 802; a second mounting block 806 is provided on both sides of the second connecting block 803; a first bolt hole 807 is provided on the first mounting block 805; a second bolt hole 808 is provided on the second mounting block 806; one end of the bolt 804 is provided in the first bolt hole 807; the other end of the bolt 804 is provided in the second bolt hole 808 and is connected with a nut 809; a bolt through hole 401 is provided on the claw 4; the bolt 804 is provided in the bolt through hole 401.

[0049] A first mounting block 805 is provided at both end portions of the first connecting block 802; a second mounting block 806 is provided at both end portions of the second connecting block 803; the end portion of the bolt 804 passes through the first bolt hole 807 and the bolt through hole 401 in sequence, extends out from the second bolt hole 808 and is connected to the nut 809, thereby realizing the connection between the first connecting block 802, the claw 4 and the second connecting block 803; the bolt through hole 401 is clearance-matched with the bolt 804, so that the claw 4 can rotate flexibly on the bolt 804.

[0050] Connecting springs 9 are provided on both sides of the positioning sleeve 1 ; a connecting sleeve 901 is sleeved on the connecting spring 9 ; the connecting sleeve 901 is fixedly connected to one end of the connecting spring 9 away from the positioning sleeve 1 ; the connecting sleeve 901 is connected to the end of the claw 4 .

[0051] One end of the connecting spring 9 is fixedly connected to the outer wall of the positioning sleeve 1; a connecting sleeve 901 is sleeved on the connecting spring 9; one end of the connecting sleeve 901 is fixedly connected to the end of the connecting spring 9 away from the positioning sleeve 1; the top of the claw 4 is fixedly connected to the connecting sleeve 901; when the guide block 5 pushes the bottom of the claw 4 to the outside of the base 7, the top of the claw 4 moves toward the positioning sleeve 1, thereby compressing the connecting spring 9; when the guide block 5 is reset, the connected spring 9 of the claw 4 rebounds to reset in the direction away from the positioning sleeve 1.

[0052] A tilting block 402 is provided on one side of the claw 4; the tilting block 402 includes a slope 403; the guide block 5 includes an extension section 501; the extension section 501 is arranged in the movable groove 702, and the extension section 501 is tightly pressed against the slope 403; a grab hook 902 is provided at one end of the claw 4 away from the connecting spring 9; a slot is provided on the rear planetary carrier assembly, and the grab hook 902 is inserted into the slot.

[0053] The grab hook 902 is a U-shaped structure; a tilting block 402 is provided on the side of the claw 4 close to the guide block 5; the tilting block 402 and the claw 4 are an integral structure; when the staff pulls the connecting rod 301 out of the positioning sleeve 1, the guide block 5 moves upward along the inclined surface 403 of the tilting block 402, so that the bottom of the claw 4 can be pushed outward from the base 7, so that the grab hook 902 is inserted into the slot of the rear planetary carrier assembly, thereby realizing the stable grasping of the rear planetary carrier assembly by the device.

[0054] The first connecting block 802 is connected to the mounting plate 10; a positioning plate 101 is provided at the end of the mounting plate 10 away from the first connecting block 802; the positioning plate 101 is arranged at the bottom of the mounting plate 10; a positioning groove is provided on the rear planetary carrier assembly, and the positioning plate 101 is inserted into the positioning groove.

[0055] The mounting plate 10 is a square plate; the mounting plate 10 is connected to the top of the first connecting block 802 by multiple bolts; the positioning plate 101 is connected to the bottom of the mounting plate 10 by bolts; the positioning plate 101 coincides with the position of the external positioning groove of the rear planetary carrier assembly, which makes it easy for employees to place the device in the correct position of the rear planetary carrier assembly and plays a role in judging and positioning.

[0056] The inner shell 2 is provided with a limiting hole 202 ; the positioning sleeve 1 is provided with a limiting rod 102 ; the limiting rod 102 is inserted into the limiting hole 202 .

[0057] The limiting hole 202 is a waist-shaped hole and a through hole; the limiting holes 202 are respectively arranged on both sides of the inner shell 2; the limiting rod 102 is fixedly connected to the inside of the positioning sleeve 1; the limiting rod 102 is inserted into the limiting hole 202, so as to limit the inner shell 2 and prevent the inner shell 2 from falling out of the positioning sleeve 1.

[0058] A method for using a rear planetary carrier assembly grabbing device comprises the following steps:

[0059] S1: Insert the positioning plate 101 into the positioning groove on the rear planetary carrier assembly;

[0060] S2: Pull the handle 3 axially along the positioning sleeve 1; at this time, the catch hook 902 is inserted into the slot of the rear planetary carrier assembly.

[0061] In S1, the positioning plate 101 is inserted into the positioning groove on the rear planetary carrier assembly, so that the positioning of the device and the rear planetary carrier assembly can be achieved; in S2, the staff pulls the connecting rod 301 out of the positioning sleeve 1, and the inner shell 2 moves upward with the guide block 5; the inner shell 2 compresses the reset spring 302; the extension section 501 of the guide block 5 is in the movable groove 702, and moves upward along the inclined surface 403 of the inclined block 402, so that the bottom of the claw 4 can be pushed out to the outside of the base 7, so that the grab hook 902 is inserted into the slot of the rear planetary carrier assembly, and the rear planetary carrier assembly can be grabbed, and the rear planetary carrier assembly can be installed in the gearbox; at this time, the top of the claw 4 moves toward the positioning sleeve 1, thereby compressing the connecting spring 9; when the rear planetary carrier assembly is assembled, the staff releases the handle 3; the reset spring 302 rebounds the inner shell 2; the guide block 5 no longer presses against the inclined surface 403; the connecting spring 9 rebounds the claw 4.

[0062] The specific workflow of the present invention is as follows:

[0063] The positioning plate 101 is inserted into the positioning groove on the rear planetary carrier assembly, so that the positioning of the device and the rear planetary carrier assembly can be achieved; the staff pulls the connecting rod 301 out of the positioning sleeve 1, and the inner shell 2 moves upward with the guide block 5; the inner shell 2 compresses the reset spring 302; the extension section 501 of the guide block 5 is in the movable groove 702, and moves upward along the inclined surface 403 of the inclined block 402, so that the bottom of the claw 4 can be pushed out to the outside of the base 7, so that the grab hook 902 is inserted into the slot of the rear planetary carrier assembly, and the rear planetary carrier assembly can be grabbed, and the rear planetary carrier assembly can be installed in the gearbox; at this time, the top of the claw 4 moves toward the positioning sleeve 1, thereby compressing the connecting spring 9; when the rear planetary carrier assembly is assembled, the staff releases the handle 3; the reset spring 302 rebounds the inner shell 2; the guide block 5 no longer presses against the inclined surface 403; the connecting spring 9 rebounds the claw 4.

[0064] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A grabbing device for a rear planetary carrier assembly, characterized in that: The invention comprises a positioning sleeve (1); an inner shell (2) is arranged in the positioning sleeve (1); the positioning sleeve (1) is connected to a handle (3); the handle (3) is connected to the inner shell (2); a clamping claw (4) is arranged at the bottom of the positioning sleeve (1); a guide block (5) is arranged at the bottom of the inner shell (2); the guide block (5) is tightly pressed against the clamping claw (4); and the clamping claw (4) is connected to a rear planetary carrier assembly.

2. A rear planet carrier assembly grabbing device according to claim 1, characterized in that: A top plate (6) is provided at one end of the positioning sleeve (1); the inner shell (2) comprises an inner shell top plate (201); a mounting hole (601) is provided on the top plate (6); the handle (3) comprises a connecting rod (301); the connecting rod (301) is arranged in the mounting hole (601), and the connecting rod (301) is connected to the inner shell top plate (201); a return spring (302) is sleeved on the connecting rod (301); the return spring (302) is arranged between the top plate (6) and the inner shell top plate (201).

3. A rear planet carrier assembly grabbing device according to claim 2, characterized in that: The positioning sleeve (1) is provided with a base (7) at one end away from the top plate (6); the base (7) comprises a connecting hole (701) and a movable groove (702); the bottom of the inner shell (2) is arranged in the connecting hole (701); The clamping claw (4) and the guide block (5) are both arranged in the movable groove (702).

4. A rear planet carrier assembly grabbing device according to claim 3, characterized in that: The base (7) comprises a first clamping block (8) and a second clamping block (801); the movable groove (702) is arranged between the first clamping block (8) and the second clamping block (801); a first connecting block (802) is arranged on the top of the first clamping block (8); a second connecting block (803) is arranged on the top of the second clamping block (801); the bottom of the positioning sleeve (1) is arranged between the first connecting block (802) and the second connecting block (803); a bolt (804) is connected between the first connecting block (802) and the second connecting block (803); and the clamping claw (4) is connected to the bolt (804).

5. A rear planet carrier assembly grabbing device according to claim 4, characterized in that: A first mounting block (805) is provided on both sides of the first connecting block (802); a second mounting block (806) is provided on both sides of the second connecting block (803); a first bolt hole (807) is provided on the first mounting block (805); a second bolt hole (808) is provided on the second mounting block (806); one end of the bolt (804) is arranged in the first bolt hole (807); the other end of the bolt (804) is arranged in the second bolt hole (808) and is connected with a nut (809); a bolt through hole (401) is provided on the clamping claw (4); and the bolt (804) is arranged in the bolt through hole (401).

6. A rear planet carrier assembly grabbing device according to claim 5, characterized in that: Connecting springs (9) are provided on both sides of the positioning sleeve (1); a connecting sleeve (901) is sleeved on the connecting spring (9); the connecting sleeve (901) is fixedly connected to one end of the connecting spring (9) away from the positioning sleeve (1); the connecting sleeve (901) is connected to the end of the claw (4).

7. A grabbing device for a rear planetary carrier assembly according to claim 6, characterized in that: A tilting block (402) is provided on one side of the clamping claw (4); the tilting block (402) includes a slope (403); the guide block (5) includes an extension section (501); the extension section (501) is arranged in the movable groove (702), and the extension section (501) is tightly pressed against the slope (403); a grab hook (902) is provided at one end of the clamping claw (4) away from the connecting spring (9); a slot is provided on the rear planetary carrier assembly, and the grab hook (902) is inserted into the slot.

8. A grabbing device for a rear planetary carrier assembly according to any one of claims 4 to 7, characterized in that: The first connecting block (802) is connected to a mounting plate (10); a positioning plate (101) is provided at an end of the mounting plate (10) away from the first connecting block (802); the positioning plate (101) is arranged at the bottom of the mounting plate (10); a positioning groove is provided on the rear planetary carrier assembly, and the positioning plate (101) is inserted into the positioning groove.

9. A rear planet carrier assembly grabbing device according to claim 8, characterized in that: The inner shell (2) is provided with a limiting hole (202); the positioning sleeve (1) is provided with a limiting rod (102); the limiting rod (102) is inserted into the limiting hole (202).

10. A method for using the rear planetary carrier assembly grabbing device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1: Insert the positioning plate (101) into the positioning groove on the rear planetary carrier assembly; S2: Pull the handle (3) axially along the positioning sleeve (1); at this time, the grab hook (902) is inserted into the slot of the rear planetary carrier assembly.

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