Fixing tool structure for tractor OECD authentication

Abstract

The utility model relates to the technical field of tractor OECD certification, in particular to a fixing tool structure for tractor OECD certification, which comprises a transmission case shell and a fixing tool assembly, the fixing tool assembly comprises a first fixing tool and a second fixing tool, and the first fixing tool and the second fixing tool are arranged on the transmission case shell. The first fixing tool and the second fixing tool are installed on the two opposite sides of the transmission case shell correspondingly. The first fixing tool comprises a first fixing rod, the height of the first fixing rod is not smaller than that of the clamping hole, and the first fixing rod can be installed in the clamping hole and clamped by the clamping table; the second fixing tool comprises a second fixing rod, the height of the first fixing rod is not smaller than that of the clamping hole, and the second fixing rod can be installed in the clamping hole and clamped by the clamping table; the clamping device can be matched with a special clamping tool for OECD authentication and can be clamped by the special clamping tool.

Description

Technical Field

[0001] The utility model relates to the technical field of OECD certification of tractors, in particular to a fixed tooling structure used for OECD certification of tractors. Background Art

[0002] Existing technical solutions (such as Figure 1 ): Directly adopt the existing left final drive housing 2' and right final drive housing 4' of the tractor for OECD certification (the English abbreviation of the Organization for Economic Cooperation and Development OECD), fix the left final drive housing 2' and the right final drive housing 4' on the transmission case housing 6', and fix the left final drive housing 2' and the right final drive housing 4' by OECD certified special clamping tool (including two left and right clamping platforms 1' arranged oppositely, and the clamping platform 1' has an inverted trapezoidal clamping hole 103') by fixing the left final drive housing 2' and the right final drive housing 4' to achieve overall fixation. The clamping platform 1' includes a lower storage platform 101' and an upper cover plate 102', and an inverted trapezoidal clamping groove is provided at the middle position of the top of the lower storage platform 101', and the upper cover plate 102' and the lower storage platform 101' are connected by locking bolts to achieve detachable connection and fixation, and at the same time, the top of the clamping groove is blocked to form a clamping hole 103'.

[0003] The OECD Tractor Agreement is the main vehicle for issuing and implementing agricultural and forestry tractor policies, and is intended to promote the technological progress and international trade of agricultural and forestry tractors. All tractor inspection reports approved by the organization are mutually recognized within the member countries of the organization. Due to the rigor, advancement, scientificity and authority of the organization, many non-member countries also regard whether OECD tests have been conducted as one of the important conditions for tractor imports and bidding.

[0004] In terms of tractor exports, many national and regional markets and national policies require that tractors meet OECD certification requirements.

[0005] This application is used to solve the problem that the clamping surface on the left and right final drive housings of some tractors is not horizontal (from Figure 1 It can be seen that the clamping surface is a curved structure) and the special clamping tooling of the certification body cannot be used, resulting in the problem that the whole cannot be clamped. Utility Model Content

[0006] The utility model aims to provide a fixing tool structure for a tractor certified by OECD, which can be adapted to a special clamping tool certified by OECD and can be clamped by the special clamping tool.

[0007] The technical solution of the utility model is achieved in this way:

[0008] A fixing fixture structure for an OECD-certified tractor, which can be adapted to a special clamping fixture certified by the OECD, wherein the special clamping fixture comprises two clamping tables arranged opposite to each other, wherein the clamping tables are provided with an inverted trapezoidal clamping hole, wherein the trapezoidal height of the clamping hole is H; the fixing fixture structure comprises a transmission case housing and a fixing fixture assembly, wherein the fixing fixture assembly comprises a first fixing fixture and a second fixing fixture, wherein the first fixing fixture and the second fixing fixture are respectively mounted on opposite sides of the transmission case housing;

[0009] The first fixing fixture comprises a first fixing rod, the height of the first fixing rod is not less than the height of the clamping hole, and the first fixing rod can be installed in the clamping hole and clamped by the clamping platform;

[0010] The second fixing tool comprises a second fixing rod, the height of the second fixing rod is not less than the height of the clamping hole, and the second fixing rod can be installed in the clamping hole and clamped by the clamping platform.

[0011] Further, the first fixing rod comprises a first upper clamping surface and a first lower clamping surface which are arranged parallel to each other, the first upper clamping surface is the upper side surface of the first fixing rod, and the first lower clamping surface is the lower side surface of the first fixing rod;

[0012] The distance between the first upper clamping surface and the first lower clamping surface is H1, satisfying H1≥H.

[0013] Further, the second fixing rod comprises a second upper clamping surface and a second lower clamping surface arranged in parallel with each other, the second upper clamping surface is the upper side surface of the second fixing rod, and the second lower clamping surface is the lower side surface of the second fixing rod; and the first upper clamping surface and the second upper clamping surface are in the same plane, and the first lower clamping surface and the second lower clamping surface are in the same plane;

[0014] A distance between the second upper clamping surface and the second lower clamping surface is H2, satisfying H2≥H.

[0015] Furthermore, the first fixing fixture further includes a first connecting plate, and the first fixing rod is fixedly connected to the transmission box housing via the first connecting plate.

[0016] Furthermore, the first fixing rod is welded to one end surface of the first connecting plate, and the first connecting plate is bolted to the transmission box housing by a plurality of bolts.

[0017] Furthermore, the second fixing fixture further includes a second connecting plate, and the second fixing rod is fixedly connected to the transmission box housing via the second connecting plate.

[0018] Furthermore, the second fixing rod is welded to one end surface of the second connecting plate, and the second connecting plate is bolted to the transmission box housing by a plurality of bolts.

[0019] Furthermore, the first fixing tool is the same as the second fixing tool.

[0020] Furthermore, the special clamping tool also includes a special chassis clamping table;

[0021] A front fixing tool is also provided on the front side of the transmission box housing, and the front fixing tool can be fixed on the chassis clamping table to achieve the overall fixation of the tractor chassis.

[0022] Furthermore, the front fixing tooling includes a bottom plate, a side plate and a reinforcing rib plate, the bottom plate is perpendicular to the side plate, and two reinforcing rib plates are arranged at the corners of the bottom plate and the side plate, the side plate is connected to the front side of the transmission box housing by bolts, and the bottom plate can be connected to the chassis clamping table by bolts.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] The present application improves the left-side final drive housing and the right-side final drive housing in the prior art, and improves them into a first fixing fixture and a second fixing fixture respectively. When the fixing fixture structure is OECD certified, the first fixing rod can be installed in the clamping groove of the lower storage table of the left clamping table and the upper cover plate of the clamping table can be locked by the locking bolt. Since the height of the first fixing rod is not less than the height H of the clamping hole, the tightening degree of the locking bolt can be adjusted to clamp the first fixing rod; similarly, the height of the second fixing rod is not less than the height H of the clamping hole, the second fixing rod is installed in the clamping groove of the lower storage table of the right clamping table, and the second fixing rod is clamped by adjusting the tightening degree of the locking bolt; after the first fixing fixture and the second fixing fixture on both sides are clamped, they can be adapted to the special clamping fixture certified by OECD, and then the next tractor OECD certification test can be carried out. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a traditional fixed tooling structure in the prior art;

[0027] Figure 2It is the improved fixed tooling structure of the utility model;

[0028] Figure 3 It is a structural schematic diagram of the first fixing tool or the second fixing tool of the utility model;

[0029] Figure 4 It is a rear view of the first fixing tool and the second fixing tool of the utility model;

[0030] Figure 5 This is a schematic diagram of the structure of the clamping table of the utility model;

[0031] Figure 6 It is a left view or a right view of the clamping table of the utility model;

[0032] Figure 7 It is a structural schematic diagram of the front fixing tooling of the utility model.

[0033] In the figure:

[0034] 1-clamping platform; 101-lower storage platform; 102-upper cover; 103-clamping hole;

[0035] 2-first fixing rod; 201-first upper clamping surface; 202-first lower clamping surface; 3-first connecting plate; 4-second fixing rod; 401-second upper clamping surface; 402-second lower clamping surface; 5-second connecting plate;

[0036] 6-transmission box housing;

[0037] 7-front fixing tooling; 701-side panel; 702-bottom panel; 703-reinforcement rib panel. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0039] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0041] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0042] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0043] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0045] Example

[0046] The present embodiment is a fixed fixture structure for OECD certification of tractors, which can be adapted to the special clamping fixture certified by OECD to carry out OECD testing. The special clamping fixture includes two clamping platforms 1 arranged opposite to each other, and the clamping platform 1 is provided with an inverted trapezoidal clamping hole 103, and the trapezoidal height of the clamping hole 103 is H. Specifically, the clamping platform 1 includes a lower storage platform 101 and an upper cover plate 102, and an inverted trapezoidal clamping groove is provided in the middle position of the top of the lower storage platform 101, and the upper cover plate 102 and the lower storage platform 101 are detachably connected and fixed by bolts, and the clamping groove forms a clamping hole 103. The clamping platform 1 mainly realizes clamping by upper and lower clamping (upper and lower clamping means clamping in the longitudinal height direction).

[0047] Reference Figure 2-Figure 7 The fixed tooling structure includes a transmission box housing 6 and a fixed tooling assembly, wherein the fixed tooling assembly includes a first fixed tooling and a second fixed tooling, wherein the first fixed tooling and the second fixed tooling are respectively installed on opposite sides of the transmission box housing 6 (the opposite sides are respectively the left side and the right side).

[0048] The first fixing fixture comprises a first fixing rod 2, the height of the first fixing rod 2 is not less than the height of the clamping hole 103, and the first fixing rod 2 can be installed in the clamping hole 103 and clamped by the clamping platform 1;

[0049] The second fixing tool comprises a second fixing rod 4 , the height of the second fixing rod 4 is not less than the height of the clamping hole 103 , and the second fixing rod 4 can be installed in the clamping hole 103 and clamped by the clamping platform 1 .

[0050] The present application improves the left-side final drive housing and the right-side final drive housing in the prior art, and improves them into a first fixing fixture and a second fixing fixture respectively. When the fixing fixture structure is OECD certified, the first fixing rod 2 can be installed in the clamping groove of the lower storage platform 101 of the left clamping platform 1 and the upper cover plate 102 of the clamping platform 1 can be locked by the locking bolt. Since the height of the first fixing rod 2 is not less than the height H of the clamping hole 103, the tightening degree of the locking bolt can be adjusted to clamp the first fixing rod 2; similarly, the height of the second fixing rod 4 is not less than the height H of the clamping hole 103, the second fixing rod 4 is installed in the clamping groove of the lower storage platform 101 of the right clamping platform 1, and the second fixing rod 4 is clamped by adjusting the tightening degree of the locking bolt; after the first fixing fixture and the second fixing fixture on both sides are clamped, they can be adapted to the special clamping fixture certified by OECD, and then the next tractor OECD certification test can be carried out.

[0051] On this basis, the fixed tooling structure is optimized as follows:

[0052] The first fixing rod 2 includes a first upper clamping surface 201 and a first lower clamping surface 202 which are arranged parallel to each other. The first upper clamping surface 201 is the upper side surface (i.e., the top surface) of the first fixing rod 2, and the first lower clamping surface 202 is the lower side surface (i.e., the bottom surface) of the first fixing rod 2.

[0053] The distance between the first upper clamping surface 201 and the first lower clamping surface 202 is H1, satisfying H1≥H.

[0054] The second fixing rod 4 includes a second upper clamping surface 401 and a second lower clamping surface 402 which are arranged parallel to each other, the second upper clamping surface 401 is the upper side surface (i.e., the top surface) of the second fixing rod 4, and the second lower clamping surface 402 is the lower side surface (i.e., the top surface) of the second fixing rod 4; and the first upper clamping surface 201 and the second upper clamping surface 401 are in the same plane, and the first lower clamping surface 202 and the second lower clamping surface 402 are in the same plane.

[0055] The distance between the second upper clamping surface 401 and the second lower clamping surface 402 is H2, satisfying H2≥H.

[0056] Because the top surface and the bottom surface of the first fixing rod 2 are both planar structures and parallel to each other, that is, the first upper clamping surface 201 and the first lower clamping surface 202 are arranged parallel to each other; then when the first fixing rod 2 is actually placed in the clamping platform 1 on the left, the first fixing rod 2 is placed in the clamping groove of the lower storage platform 101, and the first lower clamping surface 202 fits the bottom surface of the inverted trapezoidal clamping hole 103, and the first upper clamping surface 201 fits the bottom surface of the upper cover plate 102, and then the first fixing rod 2 can be clamped by the locking bolt.

[0057] Because the top and bottom surfaces of the second fixing rod 4 are planar structures and are parallel to each other, that is, the second upper clamping surface 401 and the second lower clamping surface 402 are arranged parallel to each other; similarly, when the second fixing rod 4 is actually placed in the clamping platform 1 on the right side, the second fixing rod 4 is placed in the clamping groove of the lower storage platform 101, and the second lower clamping surface 402 fits the bottom surface of the inverted trapezoidal clamping hole 103, and the second upper clamping surface 401 fits the bottom surface of the upper cover plate 102, and then the second fixing rod 4 can be clamped by the locking bolt.

[0058] When H1=H2=H, the top surface of the first fixing rod 2, the top surface of the lower storage platform 101 on the left, and the bottom surface of the upper cover 102 are all in the same horizontal plane. When tightened by the locking bolts, the first upper cover 102 fits the lower storage platform 101 exactly without any gap. At the same time, the top surface of the second fixing rod 4, the top surface of the lower storage platform 101 on the right, and the bottom surface of the upper cover 102 are all in the same horizontal plane. When tightened by the locking bolts, the second upper cover 102 fits the lower storage platform 101 exactly without any gap.

[0059] When H1>H, H2>H, the top surface of the lower storage platform 101 on the left side is not in the same horizontal plane as the bottom surface of the upper cover 102. Although the first fixing rod 2 can be clamped by the locking bolt, there is a gap between the upper cover 102 and the lower storage platform 101. Similarly, the top surface of the lower storage platform 101 on the right side is not in the same horizontal plane as the bottom surface of the upper cover 102. Although the second fixing rod 4 can be clamped by the locking bolt, there is a gap between the upper cover 102 and the lower storage platform 101.

[0060] In summary, the preferred implementation method of this embodiment is: H1=H2=H.

[0061] In an optional implementation of this embodiment, the first fixing fixture further includes a first connecting plate 3, and the first fixing rod 2 is fixedly connected to the transmission box housing 6 via the first connecting plate 3. Specifically, the first fixing rod 2 is welded to one end surface of the first connecting plate 3, and the first connecting plate 3 is bolted to the transmission box housing 6 via a plurality of bolts.

[0062] In an optional implementation of this embodiment, the second fixing fixture further includes a second connecting plate 5, and the second fixing rod 4 is fixedly connected to the transmission box housing 6 via the second connecting plate 5. Specifically, the second fixing rod 4 is welded to one end surface of the second connecting plate 5, and the second connecting plate 5 is bolted to the transmission box housing 6 via a plurality of bolts.

[0063] Preferably, the first fixing fixture and the second fixing fixture are identical and are symmetrically arranged on the left and right sides of the transmission case housing 6. At the same time, the width of the first fixing rod 2 and the second fixing rod 4 is smaller than the width of the clamping hole 103, so that the first fixing rod 2 and the second fixing rod 4 can be placed in the clamping hole 103.

[0064] The special clamping tooling of some domestic OECD certified sites (Luoyang, Beijing) also includes a chassis clamping table (not shown in the figure, mainly designed for Luoyang and Beijing certified sites). Correspondingly, the front side of the transmission case housing 6 of this embodiment is also provided with a front fixing tooling 7, which can be fixed on the chassis clamping table to achieve the overall fixation of the tractor chassis.

[0065] Specifically, the front fixing tool 7 includes a bottom plate 702, a side plate 701 and a reinforcing rib plate 703, the bottom plate 702 is perpendicular to the side plate 701, and two reinforcing rib plates 703 are arranged at the corners of the bottom plate 702 and the side plate 701, the side plate 701 is connected to the front side of the transmission case housing 6 by bolts, and the bottom plate 702 can be connected to the chassis clamping table by bolts to achieve the overall fixation of the tractor chassis.

[0066] The beneficial effects of the technical solution of the utility model are:

[0067] 1. Use a simple welding structure (the first fixing rod 2 is welded to the first connecting plate 3, and the second fixing rod 4 is welded to the second connecting plate 5) to replace the traditional left-side final drive housing and right-side final drive housing as the chassis OECD test clamping and fixing, which can reduce the test investment (from the perspective of project development, the traditional left-side final drive housing and right-side final drive housing are generally 3D printed parts with high cost).

[0068] 2. Due to the special design of some tractors, the left final drive housing and the right final drive housing are not level with the ground after assembly, so the special clamping tool of the OECD certification body cannot be used and the test cannot be carried out; however, the present application can adapt to the special clamping tool of the certification body by designing the first fixing rod 2 and the second fixing rod 4.

[0069] 3. The clamping hole 103 of the special clamping tool of the OECD certification agency is an inverted trapezoid. The left final drive housing and the right final drive housing of some tractors may be too wide to be fixed using the clamping device; however, in the present application, the width of the first fixing rod 2 and the second fixing rod 4 is smaller than the width of the clamping hole 103, so that both the first fixing rod 2 and the second fixing rod 4 can be placed in the clamping hole 103.

[0070] 4. Low processing cost, which can reduce test investment.

[0071] 5. The structure is reliable and not prone to deformation.

[0072] 6. Easy to disassemble and assemble, and can be recycled.

[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

[0074] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fixed fixture structure for an OECD-certified tractor, which can be adapted to a special clamping fixture certified by the OECD, wherein the special clamping fixture comprises two clamping platforms (1) arranged opposite to each other, wherein the clamping platforms (1) are provided with an inverted trapezoidal clamping hole (103), wherein the trapezoidal height of the clamping hole (103) is H, and wherein: It comprises a transmission case housing (6) and a fixing fixture assembly, wherein the fixing fixture assembly comprises a first fixing fixture and a second fixing fixture, wherein the first fixing fixture and the second fixing fixture are respectively mounted on opposite sides of the transmission case housing (6); The first fixing tool comprises a first fixing rod (2), the height of the first fixing rod (2) is not less than the height of the clamping hole (103), and the first fixing rod (2) can be installed in the clamping hole (103) and clamped by the clamping platform (1); The second fixing tool comprises a second fixing rod (4), the height of the second fixing rod (4) is not less than the height of the clamping hole (103), and the second fixing rod (4) can be installed in the clamping hole (103) and clamped by the clamping platform (1).

2. The fixing tooling structure for tractor OECD certification according to claim 1, characterized in that: The first fixing rod (2) comprises a first upper clamping surface (201) and a first lower clamping surface (202) which are arranged parallel to each other, the first upper clamping surface (201) being the upper side surface of the first fixing rod (2), and the first lower clamping surface (202) being the lower side surface of the first fixing rod (2); The distance between the first upper clamping surface (201) and the first lower clamping surface (202) is H1, satisfying H1≥H.

3. The fixing tooling structure for tractor OECD certification according to claim 2, characterized in that: The second fixing rod (4) comprises a second upper clamping surface (401) and a second lower clamping surface (402) which are arranged parallel to each other, the second upper clamping surface (401) is the upper side surface of the second fixing rod (4), and the second lower clamping surface (402) is the lower side surface of the second fixing rod (4); and the first upper clamping surface (201) and the second upper clamping surface (401) are in the same plane, and the first lower clamping surface (202) and the second lower clamping surface (402) are in the same plane; The distance between the second upper clamping surface (401) and the second lower clamping surface (402) is H2, satisfying H2≥H.

4. The fixing tooling structure for tractor OECD certification according to claim 1, characterized in that: The first fixing fixture further comprises a first connecting plate (3), and the first fixing rod (2) is fixedly connected to the transmission box housing (6) via the first connecting plate (3).

5. The fixing tooling structure for tractor OECD certification according to claim 4, characterized in that: The first fixing rod (2) is welded to one end surface of the first connecting plate (3), and the first connecting plate (3) is bolted to the transmission box housing (6) via a plurality of bolts.

6. The fixing tooling structure for tractor OECD certification according to claim 1, characterized in that: The second fixing fixture further comprises a second connecting plate (5), and the second fixing rod (4) is fixedly connected to the transmission box housing (6) via the second connecting plate (5).

7. The fixing tooling structure for tractor OECD certification according to claim 6, characterized in that: The second fixing rod (4) is welded to one end surface of the second connecting plate (5), and the second connecting plate (5) is bolted to the transmission box housing (6) via a plurality of bolts.

8. The fixing tooling structure for tractor OECD certification according to claim 1, characterized in that: The first fixing fixture is identical to the second fixing fixture.

9. The fixing tooling structure for tractor OECD certification according to claim 1, characterized in that: The special clamping tool also includes a special chassis clamping table; The front side of the transmission box housing (6) is also provided with a front fixing tool (7), and the front fixing tool (7) can be fixed on the chassis clamping table to achieve the overall fixing of the tractor chassis.

10. The fixing tooling structure for tractor OECD certification according to claim 9, characterized in that: The front fixing tool (7) comprises a bottom plate (702), a side plate (701) and a reinforcing rib plate (703); the bottom plate (702) is perpendicular to the side plate (701), and two reinforcing rib plates (703) are arranged at the corners between the bottom plate (702) and the side plate (701); the side plate (701) is connected to the front side of the transmission case housing (6) by bolts, and the bottom plate (702) can be connected to the chassis clamping platform by bolts.

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