Disassembling and assembling tool for intercooler bolt of diesel engine

Abstract

The utility model discloses a diesel engine intercooler bolt disassembling and assembling tool which comprises a tool body, a first gear assembly and a second gear assembly. A gear mounting groove is formed in the tool body; the first gear assembly comprises a first gear and a first gear shaft fixedly connected with the first gear, the first gear is rotationally arranged in the gear mounting groove, and one end of the first gear shaft is used for being connected with a torque wrench; the second gear assembly comprises a second gear and a second gear shaft fixedly connected with the second gear, the second gear is rotationally arranged in the gear mounting groove and meshed with the first gear, the second gear shaft is provided with a clamping part clamped with the fastening bolt, and the first gear shaft and the second gear shaft are rotationally connected with the tool body. According to the diesel engine intercooler bolt disassembling and assembling tool, the first gear is meshed with the second gear, the torque of the torque wrench is transmitted to the second gear shaft through the first gear shaft, then bolt disassembling and assembling are completed, the structure is simple, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of diesel engines, and more specifically to a diesel engine intercooler bolt disassembly and assembly tool. Background Art

[0002] The diesel engine intercooler needs to be replaced regularly because the diesel engine has a relatively compact structure. Figure 1 and Figure 2 As shown in , the space between the intercooler 100 and the exhaust pipe 200 is small, and an ordinary wrench cannot be used directly. There is a protruding rib 110 less than 100 mm above the bolt 300 of the intercooler 100, which makes it impossible to use a universal joint wrench, causing great difficulties in disassembling the intercooler 100.

[0003] Therefore, how to reduce the difficulty of disassembling and assembling the diesel engine intercooler and improve the efficiency of disassembling and assembling the diesel engine intercooler has become a technical problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a diesel engine intercooler bolt disassembly tool to reduce the difficulty of disassembly and assembly of the diesel engine intercooler and improve the disassembly and assembly efficiency of the diesel engine intercooler.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A diesel engine intercooler bolt disassembly and assembly tool, comprising:

[0007] A tool body, wherein a gear mounting groove is provided on the tool body;

[0008] A first gear assembly, the first gear assembly includes a first gear and a first gear shaft fixedly connected to the first gear, the first gear is rotatably arranged in the gear mounting groove, and one end of the first gear shaft is used to connect a torque wrench;

[0009] The second gear assembly includes a second gear and a second gear shaft fixedly connected to the second gear. The second gear is rotatably arranged in the gear mounting groove and meshes with the first gear. The second gear shaft is provided with a clamping portion clamped with a fastening bolt. Both the first gear shaft and the second gear shaft are rotatably connected to the tool body.

[0010] Optionally, in the above-mentioned diesel engine intercooler bolt disassembly and assembly tool, the tool body is a rectangular parallelepiped structure.

[0011] Optionally, in the above diesel engine intercooler bolt disassembly and assembly tool, the center of the first gear and the center of the second gear are located on the same straight line and are arranged along the diagonal line of the tool body.

[0012] Optionally, in the above diesel engine intercooler bolt disassembly and assembly tool, the clamping portion is a hexagonal clamping structure capable of being clamped with the fastening bolt; and / or,

[0013] The first gear shaft is provided with a hexagonal structure matched with the torque wrench.

[0014] Optionally, in the above diesel engine intercooler bolt disassembly and assembly tool, the lateral distance between the second gear shaft and the intercooler is 15 mm; and / or, the longitudinal distance between the second gear shaft and the intercooler is 15 mm.

[0015] Optionally, in the above diesel engine intercooler bolt disassembly and assembly tool, the distance between the first gear shaft and the intercooler is at least 30 mm.

[0016] Optionally, the above-mentioned diesel engine intercooler bolt disassembly and assembly tool also includes a cover plate, which is detachably connected to the tool body to cover the first gear and the second gear, and the first gear shaft and the second gear shaft are both rotatably connected to the cover plate.

[0017] Optionally, in the above-mentioned diesel engine intercooler bolt disassembly and assembly tool, the cover plate is connected to the tool body by fastening bolts, a mounting hole for the fastening bolts to pass through is provided on the cover plate, and a threaded hole matching the thread of the fastening bolt is provided on the tool body.

[0018] Optionally, in the above-mentioned diesel engine intercooler bolt disassembly and assembly tool, threaded holes are arranged around the tool body, and the mounting holes correspond to the threaded holes one by one.

[0019] Optionally, in the above-mentioned diesel engine intercooler bolt disassembly and assembly tool, the second gear shaft is arranged closer to the intercooler than the first gear shaft.

[0020] The diesel engine intercooler bolt disassembly and assembly tool disclosed in the embodiment of the utility model has a first gear shaft that is arranged away from the obstruction, and the first gear is meshed with the second gear to transmit the torque of the torque wrench to the second gear shaft, thereby completing the disassembly and assembly of the bolt. The structure is simple and easy to use, and the use space requirement in the axial direction of the bolt is reduced. When disassembling and assembling the diesel engine intercooler, there is no need to disassemble the exhaust pipe, which reduces the workload and can improve the disassembly and assembly efficiency of the intercooler. It is also suitable for other scenarios of bolt disassembly and assembly in narrow spaces. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is the structural diagram of diesel engine;

[0023] Figure 2 This is a schematic diagram of the bolt position of the diesel engine intercooler;

[0024] Figure 3 It is a structural schematic diagram of a tool body of a diesel engine intercooler bolt disassembly and assembly tool disclosed in an embodiment of the utility model;

[0025] Figure 4 for Figure 2 Sectional view of AA in the middle;

[0026] Figure 5 It is a structural schematic diagram of a cover plate of a diesel engine intercooler bolt disassembly and assembly tool disclosed in an embodiment of the utility model;

[0027] Figure 6 The utility model is a schematic diagram of the use process of the diesel engine intercooler bolt disassembly and assembly tool disclosed in the embodiment of the utility model.

[0028] Wherein, 10 is a tool body, 11 is a gear mounting groove, 12 is a first shaft hole, 13 is a threaded hole, 20 is a first gear assembly, 21 is a first gear, 22 is a first gear shaft, 30 is a second gear assembly, 31 is a second gear, 32 is a second gear shaft, 40 is a torque wrench, 50 is a cover plate, 51 is a mounting hole, and 52 is a second shaft hole;

[0029] 100 is an intercooler, 110 is a protruding rib plate, 200 is an exhaust pipe, and 300 is a bolt. DETAILED DESCRIPTION

[0030] The core of the utility model is to disclose a diesel engine intercooler bolt disassembly and assembly tool, so as to reduce the disassembly and assembly difficulty of the diesel engine intercooler and improve the disassembly and assembly efficiency of the diesel engine intercooler.

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] The utility model discloses a diesel engine intercooler bolt disassembly and assembly tool, comprising a tool body 10 , a first gear assembly 20 and a second gear assembly 30 .

[0033] Among them, Figure 3-Figure 4As shown, the tool body 10 is provided with a gear mounting groove 11, one side of the gear mounting groove 11 is an open structure for installation of the first gear assembly 20 and the second gear assembly 30; the other side is provided with two first shaft holes 12 for the first gear shaft 22 and the second gear shaft 32 to pass through.

[0034] The first gear assembly 20 includes a first gear 21 and a first gear shaft 22 (not shown) fixedly connected to the first gear 21. Specifically, the first gear shaft 22 can be connected to the first gear 21 by a key connection. The first gear 21 is rotatably disposed in the gear mounting groove 11. The first end of the first gear shaft 22 passes through the first shaft hole 12 and is rotatably matched with the first shaft hole 12. Any end of the first gear shaft 22 is used to connect a torque wrench 40, which can be a ratchet wrench.

[0035] The second gear assembly 30 includes a second gear 31 and a second gear shaft 32 fixedly connected to the second gear 31. Specifically, the second gear shaft 32 can be connected to the second gear 31 by a key connection. The second gear 31 is rotatably set in the gear mounting groove 11 and meshes with the first gear 21. The first end of the second gear shaft 32 is provided with a clamping portion that is clamped with the bolt 300, and the second end passes through the first axial hole 12 and rotatably cooperates with the first axial hole 12. In order to reduce friction, a bearing can be provided at the position of the first axial hole 12. It should be noted that one end of the first gear shaft 22 used to connect the torque wrench 40 is arranged opposite to the first end of the second gear shaft 32, and are respectively located on both sides of the tool body 10, such as Figure 6 as shown in .

[0036] like Figure 6 As shown, when in use, the clamping portion of the second gear shaft 32 is clamped and connected with the bolt 300, and the torque wrench 40 is connected with the first gear shaft 22. It can be seen from the figure that the second gear shaft 32 is arranged closer to the intercooler 100 than the first gear shaft 22. The torque wrench 40 drives the first gear shaft 22 to rotate, thereby driving the first gear 21 to rotate, and then drives the second gear shaft 32 to rotate, and the second gear shaft 32 drives the bolt 300 to rotate, thereby completing the disassembly and assembly of the bolt 300.

[0037] It should be noted that the standard tightening torque of the fastening bolts is 120 N·m. The diesel engine intercooler bolt disassembly and assembly tool disclosed in the embodiment of the utility model has been subjected to a torque test, and the tightening torque is 150 N·m. Under this torque, the tool body 10 is not deformed, and the first gear 21 and the second gear 31 are not damaged.

[0038] The diesel engine intercooler bolt disassembly and assembly tool disclosed in the embodiment of the utility model has a first gear shaft 22 that is arranged away from obstructions, and the first gear 21 is meshed with the second gear 31 to transmit the torque of the torque wrench 40 to the second gear shaft 32, thereby completing the disassembly and assembly of the bolt 300. The tool has a simple structure and is easy to use, and the space requirement for the axial direction of the bolt 300 is reduced. When disassembling and assembling the diesel engine intercooler, there is no need to disassemble the exhaust pipe, which reduces the workload, can improve the disassembly and assembly efficiency of the intercooler, and is suitable for the disassembly and assembly requirements of the bolt 30 in a narrow space.

[0039] like Figure 3 As shown, in a specific embodiment of the present invention, the tool body 10 is a rectangular parallelepiped structure.

[0040] On the basis of the above embodiment, the center of the first gear 21 and the center of the second gear 31 are located on the same straight line and are arranged along the diagonal line of the tool body 10 . Figure 3 The line connecting the centers of the two axial holes 12 shown in FIG. 1 is arranged along the diagonal line of the tool body 10 .

[0041] In some specific embodiments, the bolt 300 is a hexagonal bolt. In order to facilitate the disassembly and assembly of the bolt 300 and to facilitate the coordination with the torque wrench 40, the clamping portion of the second gear shaft 32 is a hexagonal clamping structure that can be clamped with the bolt 300; and / or, the first gear shaft 22 is provided with a hexagonal structure that is coordinated with the torque wrench 40. Specifically, the hexagonal clamping structure matches the size of the bolt 300 and can be sleeved in the hexagonal hollow structure of the bolt 300. The hexagonal structure of the clamping portion can be formed by processing the second gear shaft 32. This arrangement facilitates the direct insertion of the clamping portion of the second gear shaft 32 into the bolt 300 without adding a conversion head; at the same time, it facilitates the connection of the torque wrench 40 with the first gear shaft 22, making the disassembly and assembly operation more convenient.

[0042] In order to better match the installation position of the bolt 300 of the intercooler 100, in some specific embodiments, the lateral distance between the second gear shaft 32 and the intercooler 100 is 15 mm; and / or, the longitudinal distance between the second gear shaft 32 and the intercooler 100 is 15 mm. It should be noted that 15 mm is the distance between the bolt 300 and the intercooler 100.

[0043] On the basis of the above embodiment, the distance between the first gear shaft 22 and the intercooler 100 is at least 30 mm, so as to prevent the torque wrench 40 from affecting the rotation of the second gear shaft 32 when it cooperates with the first gear shaft 22 .

[0044] In order to protect the first gear 21 and the second gear 32, in some specific embodiments, the diesel engine intercooler bolt disassembly tool further includes a cover plate 50. Figure 5As shown, the size of the cover plate 50 matches the size of the tool body 10, and the cover plate 50 is detachably connected to the tool body 10, covering the first gear 21 and the second gear 31, that is, the first gear 21 and the second gear 31 are not exposed, and the first gear shaft 22 and the second gear shaft 32 are both rotatably connected to the cover plate 50. Two second axial holes 52 are provided on the cover plate 50, and the second axial holes 52 match the size and position of the first axial hole 12.

[0045] In some specific embodiments, the cover plate 50 is connected to the tool body 10 by fastening bolts. A mounting hole 51 for the fastening bolts to pass through is provided on the cover plate 50, and a threaded hole 13 for threadedly matching with the fastening bolts is provided on the tool body 10. The fastening bolts pass through the mounting hole 51 and threadedly match with the threaded hole 13. This connection method is convenient for assembly and disassembly and can improve installation efficiency.

[0046] Based on the above embodiments, Figure 3 and Figure 5 As shown, the threaded holes 13 are arranged around the tool body 10 , and the mounting holes 51 correspond to the threaded holes 13 one by one. This arrangement can ensure the firmness of the connection between the cover plate 50 and the tool body 10 .

[0047] It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0048] As shown in this application and claims, unless the context clearly indicates an exception, the words "a", "an", "a kind" and / or "the" do not refer to the singular, but also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of clearly identified steps and elements, and these steps and elements do not constitute an exclusive list. The method or device may also include other steps or elements. The elements defined by the sentence "includes a..." do not exclude the existence of other identical elements in the process, method, commodity or device that includes the elements.

[0049] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0050] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A diesel engine intercooler bolt disassembly and assembly tool, characterized in that: include: A tool body (10), wherein a gear mounting groove (11) is provided on the tool body (10); a first gear assembly (20), the first gear assembly (20) comprising a first gear (21) and a first gear shaft (22) fixedly connected to the first gear (21), the first gear (21) being rotatably disposed in the gear mounting groove (11), and one end of the first gear shaft (22) being used for connecting to a torque wrench (40); A second gear assembly (30), the second gear assembly (30) comprises a second gear (31) and a second gear shaft (32) fixedly connected to the second gear (31), the second gear (31) is rotatably disposed in the gear mounting groove (11) and meshes with the first gear (21), the second gear shaft (32) is provided with a clamping portion clamped with a fastening bolt (300), and the first gear shaft (22) and the second gear shaft (32) are both rotatably connected to the tool body (10).

2. The diesel engine intercooler bolt disassembly and assembly tool according to claim 1, characterized in that: The tool body (10) is in a rectangular parallelepiped structure.

3. The diesel engine intercooler bolt disassembly tool as claimed in claim 2, characterized in that: The center of the circle of the first gear (21) and the center of the circle of the second gear (31) are located on the same straight line and are arranged along the diagonal line of the tool body (10).

4. The diesel engine intercooler bolt disassembly and assembly tool according to claim 2, characterized in that: The clamping portion is a hexagonal clamping structure capable of being clamped with the fastening bolt (300); and / or, The first gear shaft (22) is provided with a hexagonal structure that matches the torque wrench (40).

5. The diesel engine intercooler bolt disassembly and assembly tool as claimed in claim 3, characterized in that: The lateral distance between the second gear shaft (32) and the intercooler (100) is 15 mm; and / or the longitudinal distance between the second gear shaft (32) and the intercooler (100) is 15 mm.

6. The diesel engine intercooler bolt disassembly and assembly tool according to claim 5, characterized in that: The distance between the first gear shaft (22) and the intercooler (100) is at least 30 mm.

7. The diesel engine intercooler bolt disassembly and assembly tool according to claim 1, characterized in that: The tool body (10) further comprises a cover plate (50) which is detachably connected to the tool body (10) so as to cover the first gear (21) and the second gear (31); the first gear shaft (22) and the second gear shaft (32) are both rotatably connected to the cover plate (50).

8. The diesel engine intercooler bolt disassembly and assembly tool according to claim 7, characterized in that: The cover plate (50) is connected to the tool body (10) via a fastening bolt; a mounting hole (51) for the fastening bolt to pass through is provided on the cover plate (50); and a threaded hole (13) threadably matched with the fastening bolt is provided on the tool body (10).

9. The diesel engine intercooler bolt disassembly and assembly tool according to claim 8, characterized in that: The threaded holes (13) are arranged around the tool body (10), and the mounting holes (51) correspond to the threaded holes (13) one by one.

10. The diesel engine intercooler bolt disassembly and assembly tool according to claim 1, characterized in that: The second gear shaft (32) is arranged closer to the intercooler (100) than the first gear shaft (22).

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