Auxiliary equipment for mounting planetary gear of tractor

Abstract

The utility model relates to tractor planetary gear installation auxiliary equipment which comprises a supporting assembly, a base placed on the supporting assembly and linear telescopic pieces installed at the top end of the supporting assembly, the base is used for placing a planet carrier, and the linear telescopic pieces are arranged over the base at intervals. And the telescopic end vertically extends downwards. According to the planetary gear shaft, the technical problems that an existing planetary gear shaft is difficult to enter a planetary carrier in the installation process, the planetary carrier is prone to deformation, and a planetary gear is stuck, vibrates and is loud in noise in the operation process can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tractor technical field, especially a tractor planetary gear installation auxiliary equipment. BACKGROUND

[0002] The high-power tractor commonly uses planetary gear structure, has the advantages such as small volume, light weight, high efficiency. Star mechanism assembly is designed as planetary carrier + planetary gear shaft + planetary gear (including needle roller, needle roller spacer, gear bushing) composition, wherein the key assembly technical difficulty is that planetary gear shaft needs to pass through planetary carrier and planetary gear with needle roller, since there is no key structure such as top wire to fix planetary gear shaft, planetary gear shaft is interference fit in the installation process, to ensure that planetary gear shaft can be effectively fixed after installation. But in the assembly process, usually adopts copper hammer knocking method or manual pressing method, and it is difficult to guarantee that planetary gear shaft is vertically entered into planetary carrier, and it is easy to cause planetary carrier deformation, installation is poor, and further leads to the prominent problems such as planetary gear jamming, vibration and noise during tractor operation. SUMMARY

[0003] The utility model discloses to the existing planetary gear shaft in the installation process difficult to keep vertical into planetary carrier, it is easy to cause planetary carrier deformation, leads to the technical problem that there is planetary gear jamming, vibration and noise during operation, and provides a tractor planetary gear installation auxiliary equipment.

[0004] The utility model discloses a technical scheme that solves the above technical problem as follows:

[0005] A tractor planetary gear installation auxiliary equipment, including support assembly, the base of placing in support assembly and the linear telescopic piece of installing in support assembly top, the base is used to place planetary carrier, the linear telescopic piece is spaced apart and is arranged in the just above of base, and the telescopic end is vertically downward and stretches out.

[0006] The utility model discloses beneficial effect is: when installing the planetary gear shaft on the planetary gear, first, place the base on the support assembly, place the planet carrier on the base, and make it be located directly below the linear expansion and contraction spare, make its axial end face towards the linear expansion and contraction spare, then install the planetary gear in the planet carrier, and make the shaft hole of planetary gear and the mounting hole of planet carrier coaxial, then insert the planetary gear shaft to the mounting hole of planet carrier, because the planetary gear shaft end face chamfer, can guarantee that the planetary gear shaft end enters the mounting hole of planet carrier, then, start the linear expansion and contraction spare, and press down the planetary gear shaft through the expansion and contraction end of linear expansion and contraction spare, until the planetary gear shaft is pressed into the shaft hole of planetary gear, complete installation, through this installation mode, the linear expansion and contraction spare provides the pressure of planetary gear shaft axial direction downward, can improve the existing planetary gear shaft in the installation process difficult to keep vertical and enter the planet carrier, easily cause planet carrier deformation, lead to the technical problem that there is planetary gear jam, vibration and noise when operating, simultaneously, compared with the original use of copper hammer percussion assembly process mode, can effectively guarantee the safety of operating personnel, avoid percussion injury, improve installation safety.

[0007] On the basis of the above technical scheme, the utility model still can make following improvement.

[0008] Further, the base is provided with a positioning hole, and the positioning hole is used for adapting to the planet carrier and inserting the planet carrier.

[0009] The beneficial effect of the above further scheme is that when the planet carrier is placed on the base, the end of the planet carrier is inserted into the positioning hole downward to position and install the planet carrier through the positioning hole, and when the planet carrier is pressed down by the linear expansion and contraction spare, the positioning hole limits the planet carrier, which can prevent the planet carrier from warping, moving and other problems under pressure, and ensure stable installation.

[0010] Further, the cross section of the base is circular, and the support assembly is fixedly connected with an arc plate, and the inner side of the arc plate abuts against the outer side of the base.

[0011] The beneficial effect of the above further scheme is that when the base is placed on the support assembly so that the subsequently placed planet carrier is directly located below the linear expansion and contraction spare, and fast alignment and installation are completed, the side of the base can abut against the inner side of the arc plate to form positioning through the arc plate and the base. When the installation of a certain planetary gear shaft is completed, and the next planetary gear shaft is pressed and installed, the arc plate is used as positioning, the base is rotated to drive the planet carrier to rotate, fast positioning of the next planetary gear shaft is completed, and the next planetary gear shaft is coaxial with the pressing direction of the linear expansion and contraction spare.

[0012] Further, four pads are provided, and the pads are symmetrically arranged at the axial two ends of the planetary gear, and adjacent two pads are located on the same plane.

[0013] The beneficial effect of the further scheme is that when the planetary gear is placed in the planet carrier, the planetary gear can be clamped and lifted by the four pads for quick installation and position adjustment; meanwhile, the pads can form a partition during the process of installing the planetary gear shaft by the linear extension and retraction component, reducing the possibility of force being directly transmitted to the planetary gear.

[0014] Further, the end of each of the two adjacent pads is provided with a clearance hole.

[0015] The beneficial effect of the further scheme is that when the planetary gear is clamped and lifted by the four pads for installation, the clearance holes of the two adjacent pads can form a clearance for the planetary gear shaft and a clearance for the bushing at the end of the planetary gear, avoiding the possibility of force transmission and deformation and damage of the bushing during the process of installing the planetary gear shaft by the linear extension and retraction component.

[0016] Further, the support assembly includes a support frame and a support platform connected to the support frame, the base is placed on the support platform, and the linear extension and retraction component is installed at the top end of the support frame.

[0017] The beneficial effect of the further scheme is that the support frame serves as the base of the entire auxiliary device, forming a stable installation platform for the planetary gear shaft, and during operation, the base can be placed on the support platform.

[0018] Further, the support platform includes two clamping seats and multiple connection rods fixedly connected to the two clamping seats at both ends, the two clamping seats are clamped on both sides of the support frame and connected to the support frame at both ends, and the base is placed on the two clamping seats.

[0019] The beneficial effect of the further scheme is that during operation, the base can be placed in the middle of the two clamping seats to be stably supported by the two clamping seats.

[0020] Further, the support frame is provided with multiple pin holes, each of the pin holes is distributed in a column, and each column of pin holes is vertically spaced apart; the support platform further includes two one-way limit pins respectively inserted into the corresponding pin holes, both of the one-way limit pins abut against the lower side of the two clamping seats and are respectively located at both ends of the clamping seats.

[0021] The beneficial effect of the further scheme is that during installation, the height of the two clamping seats lifted by the two one-way limit pins can be adjusted by inserting the one-way limit pins into the pin holes at different heights, and then the height of the base placed on the two clamping seats can be adjusted, and the vertical distance between the base and the linear extension and retraction component can be adjusted.

[0022] Further, the support assembly further comprises a hoisting platform, the hoisting platform comprises two sliding plates and two connecting plates, the two sliding plates are connected to the top end of the support frame, the two connecting plates are clamped on the support frame, and the two ends of the two connecting plates are fixedly connected with the two sliding plates, and the linear telescopic piece is fixed between the two connecting plates.

[0023] The beneficial effect of the above further scheme is that the linear telescopic piece is installed on the hoisting platform during operation, so that the linear telescopic piece is stably installed directly above the base.

[0024] Further, the support frame is provided with a plurality of pin holes, the pin holes are distributed in a plurality of columns, and the pin holes in each column are vertically spaced apart; the two sliding plates are vertically slidably connected to the support frame, and each of the two sliding plates is provided with at least one insertion hole which can communicate with the pin holes; the hoisting platform further comprises at least two second limiting pins, and each second limiting pin is inserted into the insertion hole and the pin hole which are connected.

[0025] The beneficial effect of the above further scheme is that during installation, the height of the hoisting platform can be adjusted by inserting the second limiting pin into the pin hole and the insertion hole which are connected at different heights, so as to adjust the height of the linear telescopic piece and the vertical distance between the linear telescopic piece and the base. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural diagram of the utility model;

[0027] Figure 2 It is Figure 1 a local enlarged view;

[0028] Figure 3 It is a structural diagram of the base of the utility model;

[0029] Figure 4 It is a local structural diagram of the utility model.

[0030] In the drawings, the components represented by each reference numeral are listed as follows:

[0031] 1, planet carrier; 2, planet gear; 3, support frame; 31, base plate; 32, vertical rod; 321, pin hole; 4, support platform; 41, clamping seat; 42, connecting rod; 43, first limiting pin; 5, hoisting platform; 51, sliding plate; 511, insertion hole; 52, connecting plate; 53, second limiting pin; 6, base; 61, positioning hole; 7, linear telescopic piece; 8, arc plate; 9, pad; 91, avoiding hole. DETAILED DESCRIPTION

[0032] The principles and characteristics of the present application are described below in conjunction with the accompanying drawings, and the examples are used to explain the present application and are not intended to limit the scope of the present application.

[0033] Embodiment 1

[0034] As Figure 1 and Figure 2 A tractor planetary gear installation auxiliary device, comprising a support assembly, a base 6 placed on the support assembly, and a linear telescopic piece 7 installed at the top end of the support assembly, the base 6 is used to place the planet carrier 1, the linear telescopic piece 7 is arranged vertically above the base 6, and the telescopic end vertically extends downward.

[0035] The beneficial effects of the present embodiment are: when installing the planetary gear shaft on the planetary gear 2, first place the base 6 on the support assembly, place the planet carrier 1 on the base 6, and make it located directly below the linear telescopic piece 7, with its axial end face facing the linear telescopic piece 7, then install the planetary gear 2 in the planet carrier 1, and make the shaft hole of the planetary gear 2 coaxial with the mounting hole of the planet carrier 1, then insert the planetary gear shaft into the mounting hole of the planet carrier 1, and since the planetary gear shaft end face is chamfered, it can ensure that the planetary gear shaft end enters the mounting hole of the planet carrier 1, then start the linear telescopic piece 7, and press the planetary gear shaft downward through the telescopic end of the linear telescopic piece 7 until the planetary gear shaft is pressed into the shaft hole of the planetary gear 2, completing the installation; through this installation method, the linear telescopic piece 7 provides axial pressure to the planetary gear shaft, which can improve the existing technical problems that the planetary gear shaft is difficult to maintain vertical during installation, and is prone to deformation of the planet carrier, resulting in planetary gear jamming, vibration and noise during operation, and at the same time, compared with the original assembly process using a copper hammer to knock, it can effectively ensure the safety of the operator, effectively avoid the knocking injury, and improve the installation safety.

[0036] As a specific solution of the above embodiment, the linear telescopic piece 7 can adopt a hydraulic cylinder, which is composed of an oil cylinder (rated pressure 10 tons), an oil cylinder piston and a pressure head, an oil pipe (steel pipe), a hydraulic oil tank, a control handle, etc., and the hydraulic pump is welded and fixed at the top end of the support assembly. The downward pressure is provided by the oil cylinder piston and the pressure head, and the pressure is transmitted to the planetary gear shaft to be installed to realize the installation function.

[0037] As a parallel solution, the linear telescopic piece 7 can also adopt an electric cylinder, an air cylinder, a worm gear and worm, etc.

[0038] A control box is also arranged on the support assembly, and the control box is electrically connected to the linear telescopic piece 7 to control the opening and closing of the linear telescopic piece 7 through the control box. The specific control method is a conventional technical means in the art, and therefore will not be described in detail here.

[0039] Embodiment 2

[0040] As Figure 2 And Figure 3 On the basis of embodiment 1, the base 6 is provided with a positioning hole 61 for adapting the planet carrier 1 and inserting the planet carrier 1.

[0041] The beneficial effect of the preferred scheme in the above embodiment is that when the planet carrier 1 is placed on the base 6, the end of the planet carrier 1 is inserted downward into the positioning hole 61 to position and install the planet carrier 1 through the positioning hole 61, and when the planet gear shaft is pressed down through the linear expansion piece 7, the positioning hole 61 limits the planet carrier 1, which can prevent the planet carrier 1 from being warped or moving under pressure, and ensures stable installation.

[0042] As prior art, the planet carrier 1 is in the form of a stepped shaft at the lower end, and the small-diameter end is internally formed with internal teeth to realize connection with other parts. In the utility model, the inner wall of the positioning hole 61 abuts against the outer side of the small-diameter end of the planet carrier 1 to limit the planet carrier 1.

[0043] Embodiment 3

[0044] As Figure 4 On the basis of embodiments 1 and 2, the cross section of the base 6 is circular, and the support assembly is fixedly connected with an arc plate 8, the inner side of which abuts against the outer side of the base 6.

[0045] The beneficial effect of the preferred scheme in the above embodiment is that when the base 6 is placed on the support assembly so that the subsequently placed planet carrier 1 is directly located below the linear expansion piece 7 to complete rapid alignment and installation, the side surface of the base 6 can abut against the inner side of the arc plate 8 to form positioning through the arc plate 8 to the base 6; at the same time, after the installation of a certain planet gear shaft to press down and install the next planet gear shaft, the arc plate 8 is positioned, the base 6 is rotated to drive the planet carrier 1 to rotate, rapid positioning of the next planet gear shaft is completed, and the next planet gear shaft is coaxial with the pressing direction of the linear expansion piece 7.

[0046] Embodiment 4

[0047] As Figure 1 , Figure 2 And Figure 4 On the basis of embodiments 1-3, the tractor planet gear installation auxiliary device further comprises four pieces of spacer plate 9, which are symmetrically arranged at the axial ends of the planet gear 2, and the adjacent two pieces of spacer plate 9 are located on the same plane.

[0048] The beneficial effect of the preferred solution in the above embodiments is that when the planetary gear 2 is placed in the planet carrier 1, the planetary gear 2 can be clamped and lifted by the four pads 9 for quick installation and position adjustment; at the same time, in the process of installing the planetary gear shaft by pressing down the linear expansion piece 7, the pads 9 can form a partition to reduce the possibility of force being directly transmitted to the planetary gear 2.

[0049] The length of each pad 9 is greater than the diameter of the planetary gear 2. When adjusting the position of the rotating base 6, force can be applied to the end of the pad 9 extending out of the planetary gear 2 to achieve rotation.

[0050] Embodiment 5

[0051] As Figure 1 , Figure 2 and Figure 4 , on the basis of embodiments 1-4, the end of each of the two adjacent pads 9 approaching each other is provided with an avoidance hole 91.

[0052] The beneficial effect of the preferred solution in the above embodiments is that when the planetary gear 2 is clamped and lifted by the four pads 9 for installation, the avoidance holes 91 of the two adjacent pads 9 can form an avoidance for the planetary gear shaft, and also form an avoidance for the bushing at the end of the planetary gear 2, avoiding the possibility of force being transmitted and causing the bushing to deform and be damaged in the process of installing the planetary gear shaft by pressing down the linear expansion piece 7.

[0053] By providing the avoidance hole 91, the two pads 9 located in the same plane can abut against each other to achieve maximum contact with the end surface of the planetary gear 2, keeping the planetary gear 2 stable

[0054] Embodiment 6

[0055] As Figure 1 and Figure 2 , on the basis of embodiments 1-5, the support assembly includes a support frame 3 and a support platform 4 connected to the support frame 3, the base 6 is placed on the support platform 4, and the linear expansion piece 7 is installed at the top end of the support frame 3.

[0056] The beneficial effect of the preferred solution in the above embodiments is that the support frame 3 serves as the base of the entire auxiliary equipment, forming a stable installation platform for the planetary gear shaft. When working, the base 6 can be placed on the support platform 4.

[0057] On the basis of the above embodiment, the support frame 3 comprises a base plate 31 and two vertical and spaced vertical rods 32; the base plate 31 can be made of steel plate and fixed to the ground; the two vertical rods 32 are both made of channel steel and welded to the base plate 31 at the lower end, and the two vertical rods 32 are oppositely open. The support platform 4 is connected to the middle end of the two vertical rods 32, and the linear telescopic member 7 is installed at the top end of the two vertical rods 32.

[0058] Embodiment 7

[0059] As Figure 1 , Figure 2 and Figure 4 , on the basis of embodiments 1-6, the support platform 4 comprises two clamping seats 41 and a plurality of connecting rods 42, both ends of which are simultaneously fixedly connected to the two clamping seats 41, the two clamping seats 41 are clamped on both sides of the support frame 3 and connected to the support frame 3 at both ends, and the base 6 is placed on the two clamping seats 41.

[0060] The beneficial effects of the preferred scheme in the above embodiment are that during operation, the base 6 is placed at the middle end of the two clamping seats 41 to stably support the base 6 by the two clamping seats 41.

[0061] As a specific scheme of the above embodiment, the two clamping seats 41 are both made of channel steel and oppositely open. The connecting rod 42 can be made of square steel and welded to the closed end of the two clamping seats 41.

[0062] On the basis of the above embodiment, the two connecting rods 42 at the end abut against one side of the two vertical rods 32 facing each other to limit the support platform 4 and prevent the support platform 4 from moving horizontally relative to the vertical rods 32.

[0063] Among them, the lower end of the arc plate 8 is welded to the two clamping seats 41.

[0064] Embodiment 8

[0065] As Figure 1 and Figure 2 , on the basis of embodiments 1-7, the support frame 3 is provided with a plurality of pin holes 321, each pin hole 321 is distributed in a plurality of rows, and each pin hole 321 in each row is vertically spaced; the support platform 4 further comprises two one-way limit pins 43 respectively inserted into the corresponding pin holes 321, the two one-way limit pins 43 both abut against the lower side of the two clamping seats 41 and are located at both ends of the clamping seat 41.

[0066] The beneficial effect of the preferred embodiment in the above embodiment is that during installation, the height of the two clamping seats 41 held by the two first limiting pins 43 can be adjusted by inserting the first limiting pins 43 into the pin holes 321 at different height positions, thereby adjusting the height of the base 6 placed on the two clamping seats 41 and adjusting the vertical distance between the base 6 and the linear extension piece 7.

[0067] As a specific solution of the above embodiment, the pin holes 321 are formed on the vertical rods 32.

[0068] Embodiment 9

[0069] As Figure 1 and Figure 2 On the basis of Embodiments 1-8, the support assembly further comprises a hoisting platform 5, the hoisting platform 5 comprises two sliding plates 51 and two connecting plates 52, the two sliding plates 51 are connected to the top end of the support frame 3, and the two connecting plates 52 are clamped to the support frame 3, the two ends of the two connecting plates 52 are fixedly connected to the two sliding plates 51 respectively, and the linear extension piece 7 is fixed between the two connecting plates 52.

[0070] The beneficial effect of the preferred embodiment in the above embodiment is that during operation, the linear extension piece 7 is installed by using the hoisting platform 5, so that the linear extension piece 7 is stably installed directly above the base 6.

[0071] As a specific solution of the above embodiment, the sliding plates 51 can be made of channel steel, and the open ends are clamped to the outer side of the vertical rods 32, so that the two vertical rods 32 are clamped and installed by the two sliding plates 51 under the connection of the connecting plates 52, preventing the hoisting platform 5 from deviating from the vertical rods 32. The two connecting plates 52 can be made of steel plates, and the end portions are welded to the wing ends of the sliding plates 51.

[0072] Specifically, the two sliding plates 51 are connected to the opposite sides of the top end of the support frame 3.

[0073] Embodiment 10

[0074] As Figure 1 and Figure 2 On the basis of Embodiments 1-9, the support frame 3 is provided with a plurality of pin holes 321, the pin holes 321 are distributed in multiple rows, and the pin holes 321 in each row are vertically spaced apart; the two sliding plates 51 are vertically and slidingly connected to the support frame 3, and each is provided with at least one insertion hole 511 that can communicate with the pin holes 321; the hoisting platform 5 further comprises at least two second limiting pins 53, and each second limiting pin 53 is inserted into the insertion hole 511 and the pin hole 321 that are connected.

[0075] The beneficial effect of the preferred solution in the above embodiment is that, during installation, the height of the hoisting platform 5 can be adjusted by inserting the second limiting pin 53 into the connected pin hole 321 and the insertion hole 511 at different height positions, thereby adjusting the height of the linear telescopic member 7 and adjusting the vertical distance between the linear telescopic member 7 and the base 6.

[0076] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0077] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0078] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0079] In the present application, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0080] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0081] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A tractor planetary gear installation auxiliary device, characterized in that, It includes a support assembly, a base (6) placed on the support assembly, and a linear telescopic member (7) installed on the top of the support assembly. The base (6) is used to place the planetary carrier (1), and the linear telescopic member (7) is spaced apart directly above the base (6) with its telescopic end extending vertically downward.

2. The tractor planetary gear installation auxiliary device according to claim 1, characterized in that, The base (6) has a positioning hole (61) for fitting the planet carrier (1) and for inserting the planet carrier (1).

3. The tractor planetary gear installation auxiliary device according to claim 2, characterized in that, The base (6) has a circular cross-section, and the support assembly is fixedly connected to an arc plate (8), the inner side of which abuts against the outer side of the base (6).

4. The tractor planetary gear installation auxiliary device according to claim 1, characterized in that, It also includes four pads (9), which are symmetrically arranged in pairs at both ends of the axial direction of the planetary gear (2), and adjacent pads (9) are located on the same plane.

5. The tractor planetary gear installation auxiliary device according to claim 4, characterized in that, Both adjacent pads (9) have corresponding clearance holes (91) at their close ends.

6. The tractor planetary gear installation auxiliary device according to any one of claims 1-5, characterized in that, The support assembly includes a support frame (3) and a support platform (4) connected to the support frame (3), the base (6) is placed on the support platform (4), and the linear telescopic member (7) is installed on the top of the support frame (3).

7. The tractor planetary gear installation auxiliary device according to claim 6, characterized in that, The support platform (4) includes two clamping seats (41) and multiple connecting rods (42) whose two ends are simultaneously fixedly connected to the two clamping seats (41). The two clamping seats (41) are clamped on both sides of the support frame (3) and both ends are connected to the support frame (3). The base (6) is placed on the two clamping seats (41).

8. The tractor planetary gear installation auxiliary device according to claim 7, characterized in that, The support frame (3) has multiple through holes (321), and each of the pin holes (321) is distributed in multiple rows, with each pin hole (321) in each row being vertically spaced apart; the support platform (4) also includes two first-position limit pins (43) that are respectively inserted into the corresponding pin holes (321), and both first-position limit pins (43) abut against the lower side of the two clamping seats (41), and are respectively located at both ends of the clamping seats (41).

9. The tractor planetary gear installation auxiliary device according to claim 6, characterized in that, The support assembly also includes a hoisting platform (5), which includes two sliding plates (51) and two connecting plates (52). The two sliding plates (51) are connected to the top of the support frame (3), and the two connecting plates (52) are clamped in the support frame (3). The two ends of the two connecting plates (52) are respectively fixedly connected to the two sliding plates (51). The linear telescopic member (7) is fixed between the two connecting plates (52).

10. The tractor planetary gear installation auxiliary device according to claim 9, characterized in that, The support frame (3) has multiple through holes (321), and each of the through holes (321) is distributed in multiple rows, with each of the through holes (321) in each row being vertically spaced apart; both of the sliding plates (51) are vertically slidably connected to the support frame (3), and each of them has at least one through hole (511) that can connect to the through holes (321); the hoisting platform (5) also includes at least two second-order limit pins (53), and each of the second-order limit pins (53) is inserted into the connected through hole (511) and the through hole (321).

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