Piston cooling nozzle detection device

Abstract

The utility model discloses a piston cooling nozzle detection device which comprises a limiting plate, a first positioning plate, a second positioning plate, a connecting shaft and a telescopic verification rod, the first positioning plate and the second positioning plate are connected through the connecting shaft, the limiting plate is installed on one side of the first positioning plate away from the connecting shaft, and the telescopic verification rod is installed on one side of the first positioning plate away from the connecting shaft. One end of the telescopic verification rod sequentially penetrates through the limiting plate, the first positioning plate and the second positioning plate, at least part of the end of the telescopic verification rod is located on the side, away from the connecting shaft, of the second positioning plate, and the telescopic verification rod is provided with a positioning hole used for allowing the piston cooling nozzle to be inserted therein. By adjusting the length of the telescopic verification rod and observing whether the cooling nozzle can be smoothly inserted into the positioning hole, whether installation of the cooling nozzle deviates or not can be judged, and the problem that whether installation of the cooling nozzle is accurate or not cannot be accurately judged is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection technical field, especially a kind of piston cooling nozzle detection device. BACKGROUND

[0002] The repair work of certain diesel engine has basically reached the level that needs to be overhauled at present. However, the current factory has not yet equipped with special tooling for piston cooling nozzle installation and verification. Due to the lack of tooling specially used for verifying the installation of piston cooling nozzle, it is impossible to accurately determine whether the installation of cooling nozzle is accurate or not. When the cooling nozzle deviates from the position, it will affect the cooling effect of the piston, and may cause serious quality accidents such as cylinder pulling. SUMMARY

[0003] The technical problem to be solved by the utility model is that due to the lack of tooling specially used for verifying the installation of piston cooling nozzle, it is impossible to accurately determine whether the installation of cooling nozzle is accurate or not.

[0004] In order to solve the above technical problem, the utility model provides a kind of piston cooling nozzle detection device, including limiting plate, first positioning plate, second positioning plate, connecting shaft and telescopic verification rod, the first positioning plate and the second positioning plate are connected by the connecting shaft, and the side of the first positioning plate away from the connecting shaft is equipped with the limiting plate, one end of the telescopic verification rod successively passes through the limiting plate, the first positioning plate and the second positioning plate, and at least part of one end of the telescopic verification rod is located on the side of the second positioning plate away from the connecting shaft, the telescopic verification rod has positioning hole for the piston cooling nozzle insertion.

[0005] Further, the telescopic verification rod includes main rod body and telescopic rod, the main rod body is recessed inward at one end to form a hollow structure, and the telescopic rod is telescopically installed in the hollow structure, and the telescopic rod has the positioning hole.

[0006] Further, the telescopic verification rod is made of stainless steel.

[0007] Further, the first positioning plate includes first main body part and a plurality of first branch parts formed by extending outward from the first main body part, a plurality of the first branch parts are arranged at intervals around the axis of the first main body part, and the connection between the first branch part and the first main body part is smoothly connected, a plurality of first mounting holes are provided on the first main body part, and the limiting plate and the connecting shaft are connected with the first main body part through the first mounting hole.

[0008] Further, the second positioning plate comprises a second main body part and a plurality of second branch parts extending outward from the second main body part, the plurality of second branch parts are arranged at intervals around the axis of the second main body part, and the connection part of the second branch part and the second main body part is smoothly connected, a plurality of second mounting holes are arranged on the second main body part, and the connecting shaft is connected with the second main body part through the second mounting hole.

[0009] Further, the first branch part and the second branch part each have a third mounting hole for mounting the telescopic calibration rod.

[0010] Further, the connecting shaft comprises a shaft body, two mounting bosses and a first locking member, the two mounting bosses are mounted on the two sides of the shaft body, the mounting boss has a fourth mounting hole matched with the first locking member, and the mounting boss is connected with the first positioning plate and the second positioning plate through the first locking member.

[0011] Further, a second locking member matched with the first mounting hole is further included, the limiting plate has a fifth mounting hole matched with the second locking member, the fifth mounting hole is arranged at the corresponding position of the first mounting hole, the limiting plate is connected with the first main body part through the second locking member, and the plurality of first branch parts are arranged at intervals on the two sides of the limiting plate.

[0012] Further, a positioning pin is further included, the limiting plate has a positioning hole matched with the positioning pin, and the limiting plate is fixed to the cylinder sleeve shoulder through the positioning pin.

[0013] Further, the first positioning plate, the second positioning plate and the limiting plate are each made of an aluminum alloy material.

[0014] Compared with the prior art, the piston cooling nozzle detection device provided in the embodiment of the utility model has the beneficial effects that:

[0015] By adjusting the length of the telescopic calibration rod and observing whether the cooling nozzle can be smoothly inserted into the positioning hole, whether the installation of the cooling nozzle deviates can be determined, and whether the cooling nozzle is correctly inserted into the specified position is directly verified through physical contact, so that an intuitive and reliable detection method is provided, and the problem that whether the cooling nozzle is accurately installed cannot be determined is solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structure schematic view of the piston cooling nozzle detection device provided in the embodiment of the utility model;

[0017] Figure 2 is a structure schematic view of the limiting plate and the first positioning plate provided in the embodiment of the utility model;

[0018] Figure 3 is a sectional view of the connecting shaft provided by the embodiment of the utility model;

[0019] In the figure, 1, limit board;11, positioning hole;2, first positioning board;21, first main body part;22, first branch part;23, third mounting hole;3, second positioning board;4, connecting shaft;41, shaft body;42, mounting boss;43, first locking piece;5, telescopic calibration rod;6, second locking piece;7, positioning pin. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model are described in further detail below in combination with the drawings and embodiments. The following embodiments are used to illustrate the utility model, but are not used to limit the scope of the utility model.

[0021] As Figure 1 Indicated, the utility model provides a kind of piston cooling nozzle detection device, including limit board 1, first positioning board 2, second positioning board 3, connecting shaft 4 and telescopic calibration rod 5, first positioning board 2 and second positioning board 3 are connected by connecting shaft 4, form a frame structure, for supporting telescopic calibration rod 5, and help to determine its position and direction, and first positioning board 2 is installed with limit board 1 on the side away from connecting shaft 4, for fixing entire detection device on diesel engine cylinder liner shoulder, as stroke limit, it is guaranteed that device can be positioned stably in the position needing detection, to provide accurate measurement result;Telescopic calibration rod 5 is sequentially passed through limit board 1, first positioning board 2 and second positioning board 3 one end, and the one end of telescopic calibration rod 5 is at least partially located on the side of second positioning board 3 away from connecting shaft 4, and telescopic calibration rod 5 has positioning hole 11 for inserting piston cooling nozzle, by adjusting the length of telescopic calibration rod 5 and observing whether cooling nozzle can be smoothly inserted into positioning hole 11, whether the installation of cooling nozzle deviates can be judged.

[0022] Based on the above structure, the device directly verifies whether cooling nozzle is correctly inserted into specified position by physical contact mode, provides intuitive and reliable detection method, solves the problem that whether the installation of cooling nozzle is accurate cannot be judged exactly.

[0023] Further, the telescopic calibration rod 5 of the embodiment adopts the structure of a telescopic rod, which includes a main rod body and a telescopic rod. The main rod body is recessed inward at one end to form a hollow structure, providing a sliding space for the telescopic rod. The telescopic rod is telescopically installed at one end of the hollow structure, so as to be telescopically adjusted along the hollow part of the main rod body according to actual needs, so that the telescopic calibration rod 5 can adjust the length according to different detection needs, enhancing the versatility and flexibility of the device. The telescopic rod has a positioning hole 11. By adjusting the position of the telescopic rod, the positioning hole 11 can accurately correspond to the position of the cooling nozzle, so as to verify whether the cooling nozzle is correctly installed in place.

[0024] The telescopic rod of the embodiment enables the detection device to adapt to diesel engine cooling systems of different models and specifications, without the need to prepare special tools for each specific situation. The telescopic structure simplifies the operation process, and the user can quickly adjust the length of the telescopic calibration rod 5 according to actual conditions, reducing the preparation time and improving the work efficiency.

[0025] Further, the telescopic calibration rod 5 is made of stainless steel, which has high strength and hardness. This enables the telescopic calibration rod 5 to withstand certain external forces without deformation or damage during use. Stainless steel has good wear resistance, so even if the telescopic calibration rod 5 is frequently telescopically operated or used in a more severe working environment, it can still guarantee a long service life and stable performance. The preferred material is 1Cr18Ni9Ti.

[0026] For reference Figure 2 The first positioning plate 2 includes a first main body part 21 and a plurality of first branch parts 22 extending outward from the first main body part 21. The plurality of first branch parts 22 are arranged at intervals around the axis of the first main body part 21, increasing the contact area of the first positioning plate 2 while maintaining the balance and stability of the overall structure. The connection between the first branch part 22 and the first main body part 21 is smoothly connected, increasing the aesthetic appearance and improving the structural strength, reducing stress concentration points, and preventing breakage or other damage due to stress concentration during use. The first main body part 21 is provided with a plurality of first mounting holes. The limiting plate 1 and the connecting shaft 4 are connected to the first main body part 21 through the first mounting holes, so that the operator can quickly and accurately assemble and adjust according to the specific situation, improving the work efficiency and accuracy.

[0027] The first positioning plate 2 of the embodiment not only enhances the overall stability and structural strength of the device, but also improves its flexibility and adaptability, making it better suited for the detection task of the piston cooling nozzle.

[0028] Further, the second positioning plate 3 comprises a second main body part and a plurality of second branch parts extending outward from the second main body part, the second main body part provides a central support area of the entire second positioning plate 3 and serves as a basis for connection with other components, and the plurality of second branch parts are arranged at intervals around the axis of the second main body part, increasing the contact area with the contact surface and helping to improve the stability of the positioning plate, while allowing flexible adjustment according to specific application scenarios; the connection between the second branch part and the second main body part is smoothly connected, increasing the aesthetic appearance and improving the structural strength, reducing stress concentration points and preventing structural damage or fatigue fracture caused by stress concentration during use; a plurality of second mounting holes are arranged on the second main body part, and the connecting shaft 4 is connected with the second main body part through the second mounting hole, which can be conveniently assembled and disassembled.

[0029] The plurality of second branch parts of the embodiment are arranged at intervals around the axis of the second main body part, so that the second positioning plate 3 can be more stably fixed in its working position, not only enhancing the stability and structural strength of the entire detection device, but also improving its flexibility and adaptability.

[0030] It can be understood that the second positioning plate of the embodiment has the same structure as the first positioning plate.

[0031] Further, a first branch part 22 and a second branch part have a third mounting hole 23 for mounting the telescopic verification rod 5 to provide an installation position for the telescopic verification rod 5, ensuring that the telescopic verification rod 5 can accurately detect or verify the position of the piston cooling nozzle.

[0032] Referring to Figure 3 , the connecting shaft 4 comprises a shaft body 41, two mounting bosses 42 and a first locking member 43, the two mounting bosses 42 are mounted on both sides of the shaft body 41 as connecting points, the mounting boss 42 has a fourth mounting hole matched with the first locking member 43, and the mounting boss 42 is connected with the first positioning plate 2 and the second positioning plate 3 through the first locking member 43, so that the connection is more stable and reliable.

[0033] By using the connecting shaft 4 with the mounting boss 42 and the first locking member 43, the embodiment can enhance the connection strength and overall stability between the first positioning plate 2 and the second positioning plate 3, and help to ensure that all components can be accurately maintained at the predetermined position during the detection of the piston cooling nozzle. In addition, the above structure simplifies the assembly process, so that the operator can easily connect the connecting shaft 4 with the first positioning plate 2 and the second positioning plate 3, and also facilitates subsequent maintenance or adjustment work, which can be completed by tightening or loosening the first locking member 43, improving the work efficiency.

[0034] Further, the second locking member 6 is further included, and the limiting plate 1 is provided with a fifth mounting hole matched with the second locking member 6, and the fifth mounting hole is arranged correspondingly with the first mounting hole, so that when the limiting plate 1 is placed in the correct position, the limiting plate 1 is connected with the first main body 21 through the second locking member 6, and the plurality of first branch parts 22 are arranged on both sides of the limiting plate 1, so that more balanced support is provided, and the stability and reliability of the whole structure are increased.

[0035] In the embodiment, the limiting plate 1 is firmly connected to the first main body 21 by using the second locking member 6, so that the stability of the whole detection device can be enhanced, and since the limiting plate 1 is fixed through the aligned first mounting hole and the fifth mounting hole, it can be ensured that the detection device remains stable during the whole operation process.

[0036] Further, the positioning pin 7 is further included, and the limiting plate 1 is provided with a positioning hole 11 matched with the positioning pin 7, so that the positioning pin 7 can be accurately inserted, thereby realizing accurate positioning and firm fixing of the limiting plate 1, and the limiting plate 1 is fixed to the cylinder liner shoulder through the positioning pin 7.

[0037] In the embodiment, the limiting plate 1 is fixed on the cylinder liner shoulder by using the combination of the positioning pin 7 and the positioning hole 11, so as to perform accurate measurement and verification work. In addition, the positioning pin 7 provides a physical locking mechanism, so that the limiting plate 1 can not only be fixed with the first main body 21 through the second locking member 6 (such as a bolt or a screw), but also can be further reinforced through the positioning pin 7, thereby greatly enhancing the stability of the whole device and preventing rotation or displacement of the device during use.

[0038] Further, the first positioning plate 2, the second positioning plate 3 and the limiting plate 1 are all made of aluminum alloy material, the aluminum alloy is easy to cut, form and weld, and meanwhile, the production cost and time are reduced, in addition, the aluminum alloy material can significantly reduce the weight of the whole detection device, and facilitates carrying and operation.

[0039] In summary, the piston cooling nozzle detection device provided by the embodiment of the utility model utilizes the diesel engine cylinder liner center line positioning, accurately verifies the position of the piston cooling nozzle, ensures that the piston cooling nozzle is installed correctly, can guarantee the piston cooling effect, the piston cooling nozzle is aligned with the piston cooling cavity, and the effect of lubricating oil cooling the piston is ensured.

[0040] The above only describes the preferred embodiments of the utility model, and it should be noted that for ordinary technical personnel in the technical field, some improvements and replacements can be made without departing from the technical principles of the utility model, and these improvements and replacements should also be regarded as the protection range of the utility model.

Claims

1. A piston cooling nozzle detection device, characterized by, The device comprises a limiting plate, a first positioning plate, a second positioning plate, a connecting shaft and a telescopic calibration rod, the first positioning plate and the second positioning plate are connected through the connecting shaft, the limiting plate is installed on the side of the first positioning plate away from the connecting shaft, one end of the telescopic calibration rod passes through the limiting plate, the first positioning plate and the second positioning plate in sequence, and at least part of the one end of the telescopic calibration rod is located on the side of the second positioning plate away from the connecting shaft, and the telescopic calibration rod is provided with a positioning hole for inserting the piston cooling nozzle.

2. The piston-cooling nozzle detection apparatus of claim 1, wherein The telescopic calibration rod comprises a main rod body and a telescopic rod, one end of the main rod body is recessed inward to form a hollow structure, and one end of the telescopic rod is telescopically installed in the hollow structure, and the telescopic rod is provided with the positioning hole.

3. The piston-cooling nozzle detection apparatus of claim 1 or 2, wherein The telescopic calibration rod is made of stainless steel.

4. The piston-cooling-jet detection apparatus of claim 1, wherein The first positioning plate comprises a first main body and a plurality of first branch parts extending outward from the first main body, the plurality of first branch parts are arranged at intervals around the axis of the first main body, and the connection between the first branch part and the first main body is smoothly connected, a plurality of first mounting holes are arranged on the first main body, and the limiting plate and the connecting shaft are connected with the first main body through the first mounting holes.

5. The piston-cooling-jet detection apparatus of claim 4, wherein The second positioning plate comprises a second main body and a plurality of second branch parts extending outward from the second main body, the plurality of second branch parts are arranged at intervals around the axis of the second main body, and the connection between the second branch part and the second main body is smoothly connected, a plurality of second mounting holes are arranged on the second main body, and the connecting shaft is connected with the second main body through the second mounting holes.

6. The piston-cooling nozzle detection apparatus of claim 5, wherein The first branch part and the second branch part are provided with a third mounting hole for installing the telescopic calibration rod.

7. The piston-cooling-jet detection apparatus of claim 1, wherein The connecting shaft comprises a shaft body, two mounting bosses and a first locking member, the two mounting bosses are installed on the two sides of the shaft body, the mounting boss is provided with a fourth mounting hole matched with the first locking member, and the mounting boss is connected with the first positioning plate and the second positioning plate through the first locking member.

8. The piston-cooling-jet detection apparatus of claim 4, wherein Further comprising a second locking member matched with the first mounting hole, the limiting plate is provided with a fifth mounting hole matched with the second locking member, the fifth mounting hole is arranged corresponding to the first mounting hole, the limiting plate is connected with the first main body through the second locking member, and the plurality of first branch parts are arranged on the two sides of the limiting plate.

9. The piston-cooling nozzle detection apparatus of claim 1 or 8, wherein Further comprising a positioning pin, the limiting plate is provided with a positioning hole matched with the positioning pin, and the limiting plate is fixed to the cylinder liner shoulder through the positioning pin.

10. The piston-cooling-jet detection apparatus of claim 1, wherein The first positioning plate, the second positioning plate and the limiting plate are made of aluminum alloy.

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