Gearbox installation auxiliary device

Abstract

The utility model belongs to the technical field of gearbox assembly, and particularly relates to a gearbox installation auxiliary device which comprises a base, a plurality of guide columns are arranged on the top face of the base, the top ends of the guide columns jointly bear a hollow frame top plate, and two first electric lead screws are symmetrically arranged on the frame top plate. Each first electric lead screw is provided with a first female seat, a cross beam is arranged between the two first female seats, a second electric lead screw is arranged on the cross beam, a second female seat is arranged on the second electric lead screw, a first telescopic mechanism with a downward telescopic end is arranged on the second female seat, and a movable plate is arranged on the guide columns in a sliding mode. A movable plate is arranged on the base, a plurality of pressing rods are arranged on the movable plate, reset springs are arranged between the pressing rods and the movable plate, bearing butt joint ends are arranged at the bottom ends of the pressing rods, a workbench is erected on the base, and a plurality of box shell positioning pins are arranged on the workbench. According to the auxiliary device, rapid and accurate press fitting of the gearbox bearing is achieved, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of gearbox assembly technology, and specifically relates to a gearbox assembly auxiliary device. Background Technology

[0002] In the process of modern agricultural mechanization, various agricultural machines such as tractors, harvesters, and garden tillers are key tools for improving agricultural production efficiency, and their performance and reliability are of paramount importance. The gearbox, as the core transmission component of these machines, is responsible for regulating and transmitting power, and its assembly quality directly affects the overall operating efficiency and service life of the machine. However, in the traditional gearbox assembly process, especially for relatively simple gearbox models, the bearing pressing process often relies on manual operation, specifically by workers using tools such as hammers to install them.

[0003] This manual hammering assembly method has several drawbacks. First, from a labor intensity perspective, workers need to repeatedly apply considerable force, resulting in significant physical exertion and occupational health problems due to prolonged repetitive labor. Second, production efficiency is low; manual operation makes it difficult to maintain assembly speed, thus affecting the overall production line rhythm and increasing production costs. Third, assembly quality is difficult to control consistently; uneven hammering force can lead to improper bearing installation, damage, or uneven stress distribution, affecting the transmission accuracy and durability of the gearbox and ultimately reducing the overall performance of the agricultural machinery.

[0004] Therefore, designing and developing a gearbox installation auxiliary device that integrates high efficiency, precision and ease of use is of great significance for promoting the transformation and upgrading of the agricultural machinery manufacturing industry. Summary of the Invention

[0005] To address the shortcomings of the existing technology, this utility model provides a gearbox installation auxiliary device to solve the above problems.

[0006] This utility model discloses a gearbox installation auxiliary device, comprising a base, a plurality of guide columns on the top surface of the base, and a hollow frame top plate supported by the top ends of the guide columns. Two first electric lead screws are symmetrically arranged on the frame top plate, each first electric lead screw having a first female seat. A crossbeam is arranged between the two first female seats, and a second electric lead screw is arranged on the crossbeam. A second female seat is arranged on the second electric lead screw, and a first telescopic mechanism with its telescopic end pointing downwards is arranged on the second female seat. A movable plate is slidably arranged on the guide columns, and a plurality of pressure rods are arranged on the movable plate. A return spring is arranged between the pressure rods and the movable plate, and a bearing docking end is arranged at the bottom end of the pressure rod. A worktable is mounted on the base, and a plurality of gearbox housing positioning pins are arranged on the worktable.

[0007] Furthermore, the movable plate is provided with an open stepped groove, an upper template is provided in the stepped groove, the pressure rod is slidably disposed on the upper template, and the reset spring is sleeved between the pressure rod and the upper template.

[0008] Furthermore, lifting rings are provided on both sides of the top of the upper template.

[0009] Furthermore, a second telescopic mechanism is provided between the top plate of the frame and the movable plate.

[0010] Furthermore, the movable plate is provided with bushings that correspond one-to-one with the guide posts.

[0011] Furthermore, tightening bolts are symmetrically arranged on both sides of the workbench.

[0012] Furthermore, the inner end of the tightening bolt is provided with a rotatable turntable, and a washer is provided on the turntable.

[0013] Furthermore, a rotating handle is provided at the outer end of the tightening bolt.

[0014] Compared with existing technologies, this auxiliary device achieves efficient and precise automatic pressing of gearbox bearings through electric lead screws, telescopic mechanisms and precision guide structures, effectively reducing labor intensity, improving production efficiency, ensuring the consistency of assembly quality, promoting the automation process of agricultural machinery production, and has significant market application value and social benefits. Attached Figure Description

[0015] Figure 1 This is a front view of the present invention;

[0016] Figure 2 This is a top view of the top plate of this utility model.

[0017] In the diagram: 1. Base; 2. Guide column; 3. Frame top plate; 4. First electric lead screw; 5. First female seat; 6. Crossbeam; 7. Second electric lead screw; 8. Second female seat; 9. First telescopic mechanism; 10. Movable plate; 11. Pressure rod; 12. Return spring; 13. Worktable; 14. Housing positioning pin; 15. Lifting ring; 16. Second telescopic mechanism; 17. Tightening bolt; 18. Turntable; 19. Rotating handle; 20. Upper template. Detailed Implementation

[0018] To better understand this utility model, the following is in conjunction with... Figures 1-2 The embodiments of this utility model will be explained in detail below.

[0019] It should be noted that the directions "front, back, left, right, up, down" mentioned in the text are all relative to the direction of the text. Figure 1The "front, back, left, right, up and down" directions in the drawings are the reference directions.

[0020] The utility model discloses a gearbox installation auxiliary device, including base 1, the top surface vertical installation of base 1 has several guide columns 2, these guide columns 2 ensure that the stable movement of the structure on the vertical direction on top.

[0021] On the frame top plate 3, two first electric lead screws 4 are symmetrically arranged, and the two lead screws are driven by a motor and can be accurately controlled in rotation. Each first electric lead screw 4 is provided with a first female seat 5, and the two first female seats 5 are connected by a cross beam 6 to form a stable X-axis moving platform. A second electric lead screw 7 is further provided on the cross beam 6, and a second female seat 8 is arranged on the second electric lead screw 7. The second female seat 8 can move left and right on the cross beam 6 through the rotation of the second electric lead screw 7 to form a Y-axis movement. A first telescopic mechanism 9 with a telescopic end downward is fixedly installed on the second female seat 8. The mechanism can further adjust the position in the Z-axis direction to achieve accurate positioning in three-dimensional space.

[0022] On the guide column 2, a movable plate 10 is slidably arranged, and the movable plate 10 and the guide column 2 are precisely matched to ensure smooth sliding in the vertical direction. The movable plate 10 is uniformly distributed with several pressure rods 11, and the bottom of each pressure rod 11 is designed with a bearing butt joint end matched with a bearing for accurately pressing the bearing. A return spring 12 is arranged between the pressure rod 11 and the movable plate 10, which can elastically return to the initial position when the pressure rod 11 is subjected to external force, ensuring the accuracy of each pressing.

[0023] A workbench 13 is arranged on the base 1, and a plurality of box shell positioning pins 14 are arranged on the workbench 13. The box shell positioning pins 14 are used to fix the gearbox shell to ensure that the box shell does not move during pressing.

[0024] In order to improve the applicability of the auxiliary device, an open stepped groove is designed on the movable plate 10, and an upper mold plate 20 is installed in the stepped groove. The pressure rod 11 is slidably arranged on the upper mold plate 20, and the return spring 12 is sleeved between the pressure rod 11 and the upper mold plate 20. Such design not only enhances the stability of the structure, but also facilitates the maintenance and replacement of the pressure rod 11. The top of the upper mold plate 20 is provided with lifting rings 15 on both sides, which facilitates the lifting or movement of the entire movable plate 10 and the upper mold plate 20 by hoisting equipment. By removing the upper mold plate 20, the movable plate 10 becomes a frame structure, and the telescopic end of the first telescopic mechanism 9 in this state can directly pass through the stepped groove, which can be used for pressing the end cover of the speed changer or as a general pressure equipment, thereby improving the applicability of the auxiliary device.

[0025] In order to improve the flexibility of the press fitting, a second telescopic mechanism 16 is arranged between the frame top plate 3 and the movable plate 10, which can pre-adjust the movable plate 10 before the press fitting, and ensure the accurate butt joint of the press rod 11 and the bearing. The movable plate 10 is provided with a shaft sleeve corresponding to the guide column 2, and the design of the shaft sleeve reduces the friction of the movable plate 10 during sliding, and improves the smoothness and accuracy of sliding.

[0026] The workbench 13 is symmetrically provided with a jacking bolt 17 on both sides, which is used for further fixing the gearbox shell during the press fitting. The inner end of the jacking bolt 17 is provided with a rotating disc 18 connected in rotation, and the rotating disc 18 is provided with a gasket. By rotating the rotating disc 18, the thickness of the gasket can be adjusted, so as to realize the close fixing of the gearbox shell. The outer end of the jacking bolt 17 is provided with a rotating handle 19, which is convenient for the operator to manually rotate the bolt.

[0027] The use mode and principle of the utility model are as follows:

[0028] First step: the gearbox shell is placed on the workbench 13, and is preliminarily positioned by the gearbox positioning pin 14.

[0029] Second step: according to the need, the rotating disc 18 of the jacking bolt 17 is rotated, the thickness of the gasket is adjusted, and the gearbox shell is tightly fixed on the workbench 13.

[0030] Third step: the first electric lead screw 4 and the second electric lead screw 7 are started, the first telescopic mechanism 9 is adjusted to the appropriate position through the movement of the cross beam 6 and the second female seat 8.

[0031] Fourth step: according to the need, the movable plate 10 is fine adjusted through the second telescopic mechanism 16, and the accurate butt joint of the press rod 11 and the bearing is ensured.

[0032] Fifth step: the first telescopic mechanism 9 is started, and the press rod 11 is lowered to the position in contact with the bearing. The first telescopic mechanism 9 continuously applies pressure, and the bearing is pressed into the gearbox shell by the press rod 11.

[0033] Sixth step: after the press fitting is completed, the telescopic mechanism is closed, and the press rod 11 automatically returns to the initial position through the action of the reset spring 12.

[0034] Seventh step: the jacking bolt 17 is loosened, the gearbox shell is taken off from the workbench 13, and the whole press fitting process is completed.

[0035] Through the above-mentioned mode, the gearbox machine auxiliary device provided by the utility model realizes the rapid and accurate press fitting of the gearbox bearing, not only reduces the labor intensity and improves the production efficiency, but also ensures the stability of the assembly quality.

[0036] In the description of the utility model, need understanding is, the orientation or position relation that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" indicate is based on the orientation or position relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as the limitation to the utility model. In the description of the utility model, unless otherwise specified and limited, need to be explained, the terms "mount", "connect", "connect" should be understood broadly, for example, can be mechanical connection or electrical connection, also can be the intercommunication of two elements, can be directly connected, also can be indirectly connected through intermediate medium, for the ordinary skill in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0037] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A gearbox installation aid characterised in that: The utility model provides a kind of frame top plate and movable plate, it is including base (1), the top surface of the base (1) is provided with several guide columns (2), the top end of several guide columns (2) is jointly received with a hollow frame top plate (3), the frame top plate (3) is symmetrically provided with two first electric screw (4) on, and first female seat (5) is provided on each first electric screw (4), beam (6) is provided between two first female seats (5), second electric screw (7) is provided on the beam (6), second female seat (8) is provided on the second electric screw (7), first telescopic mechanism (9) with telescopic end downward is provided on the second female seat (8), movable plate (10) is slidably arranged on the guide column (2), several pressure bars (11) are provided on the movable plate (10), reset spring (12) is provided between the pressure bar (11) and movable plate (10), bearing butt joint end is provided at the bottom end of the pressure bar (11), workbench (13) is erected on the base (1), several box shell positioning pins (14) are provided on the workbench (13).

2. A gearbox installation aid as claimed in claim 1, characterised in that: The movable plate (10) is provided with an open stepped groove, and the stepped groove is provided with an upper die plate (20), the pressure bar (11) is slidably arranged on the upper die plate, and the reset spring (12) is sleeved between the pressure bar (11) and the upper die plate (20).

3. A gearbox installation aid as claimed in claim 2, characterised in that: The upper die plate (20) is provided with a lifting ring (15) on the top of both sides.

4. A gearbox installation aid as claimed in claim 1, characterised in that: The frame top plate (3) and movable plate (10) are provided with a second telescopic mechanism (16).

5. A gearbox installation aid as claimed in claim 1, characterised in that: The movable plate (10) is provided with a sleeve corresponding to the guide column (2).

6. A gearbox installation aid as claimed in claim 1, characterised in that: The workbench (13) is symmetrically provided with a jacking bolt (17) on both sides.

7. A gearbox installation aid as claimed in claim 6, characterised in that: The inner end of the jacking bolt (17) is provided with a rotary connected rotary disc (18), and the rotary disc (18) is provided with a gasket.

8. A gearbox installation aid as claimed in claim 7, characterised in that: The outer end of the jacking bolt (17) is provided with a rotary handle (19).

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