CN111136612A - Special tool for disassembling regulating and controlling gear of locomotive diesel engine - Google Patents
Special tool for disassembling regulating and controlling gear of locomotive diesel engine Download PDFInfo
- Publication number
- CN111136612A CN111136612A CN201811310470.2A CN201811310470A CN111136612A CN 111136612 A CN111136612 A CN 111136612A CN 201811310470 A CN201811310470 A CN 201811310470A CN 111136612 A CN111136612 A CN 111136612A
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- Prior art keywords
- screw
- threaded
- diesel engine
- regulating
- special tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a special tool for disassembling a regulating gear of a locomotive diesel engine, which belongs to the technical field of internal combustion locomotive maintenance and comprises a main board, a threaded lead screw, an adjusting nut and a drawing piece, wherein the main board is provided with a first threaded hole and a plurality of second threaded holes which are uniformly distributed along the circumferential direction of the first threaded hole, the threaded lead screw penetrates through the first threaded hole and is in threaded fit with the first threaded hole, the threaded lead screw is locked by the adjusting nut positioned on one side of the main board, both ends of the drawing piece are provided with threads, and the threads at one end of the drawing piece are in threaded fit with the second threaded holes on the main board.
Description
Technical Field
The invention belongs to the technical field of internal combustion locomotive maintenance, and particularly relates to a special tool for disassembling a regulating gear of a locomotive diesel engine.
Background
For the disassembly of the regulating gear of the diesel engine of the diesel locomotive, in order to reduce the operation on the regulating gear, the regulating gear and a locking keyboard in interference fit with the middle part of the regulating gear are detached and separated mainly in a manual knocking mode at present. This kind of dismantlement operation mode, the dismantlement degree of difficulty is big, the process is loaded down with trivial details, and not only intensity of labour is big, efficient, is difficult to control because of the power of knocking and direction moreover, causes the damage to the mounting hole of regulation and control gear easily.
Disclosure of Invention
The special tool for disassembling the regulating gear of the locomotive diesel engine is simple and light in structure and high in disassembling efficiency, and the regulating gear and the locking keyboard cannot be damaged.
In order to solve the problems in the prior art, the following technical scheme is adopted.
The utility model provides a specialized tool for locomotive diesel engine regulation and control gear dismantlement, includes mainboard, screw lead screw, adjusting nut and draws the piece, be equipped with first screw hole and a plurality of edge on the mainboard the second screw hole of first screw hole circumference evenly distributed, the screw lead screw is worn to establish first screw hole and rather than screw-thread fit, the screw lead screw is through being located the adjusting nut locking of mainboard one side, the both ends of drawing the piece all are equipped with the screw thread, draw the screw thread of a one end with second screw hole screw-thread fit on the mainboard.
Further, the drawing piece is a double-end screw.
Furthermore, the drawing piece is positioned on the outer side of the main board and is also provided with a nut matched with the drawing piece.
Further, the drawing piece is a bolt.
Furthermore, a gasket is arranged between the adjusting nut and the main board in a penetrating mode through the threaded lead screw.
Furthermore, the inner end of the threaded lead screw is also provided with a top.
Further, the top is fixedly connected with the thread lead screw in a threaded manner.
Compared with the prior art, the invention has the following beneficial effects:
1. when the special tool for disassembling the regulating gear of the locomotive diesel engine is used, one end of the drawing piece, which is far away from the main board, is screwed into the corresponding threaded hole in the regulating gear, the regulating nut is rotated to enable the threaded lead screw to be screwed into the end face of the regulating gear to be in contact with the end face of the stop keyboard, the regulating nut is continuously rotated to pull out the regulating gear from the stop keyboard to be separated, when the regulating gear is disassembled, the threaded lead screw is in contact with the end face of the stop keyboard but does not rotate relatively, the end face of the stop keyboard cannot be subjected to friction damage, the stress is uniform, the regulating gear is not easy to damage, the structure is simple and light, and the disassembling efficiency is high.
2. According to the special tool for disassembling the regulating gear of the locomotive diesel engine, the top head is fixedly connected with the threaded lead screw in a threaded manner, and the top heads with different diameters and made of different materials can be assembled at the top of the threaded lead screw according to requirements.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the special tool of the present invention.
Fig. 2 is a schematic view of the matching relationship between the special tool and the regulating gear.
In the figure: 1. a main board; 2. a threaded lead screw; 3. adjusting the nut; 4. drawing the piece; 5. a nut; 6. a gasket; 7. ejecting the head; 8. and regulating and controlling the gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
As shown in figure 1, the special tool for disassembling the regulating gear 8 of the locomotive diesel engine comprises a main plate 1, a threaded lead screw 2, an adjusting nut 3 and a drawing piece 4.
Be equipped with first screw hole and a plurality of edges on mainboard 1 first screw hole circumference evenly distributed's second screw hole. The number of second threaded holes should be equal to or greater than the number of pull pieces 4.
The threaded screw rod 2 penetrates through the first threaded hole and is in threaded fit with the first threaded hole, and the threaded screw rod 2 is locked through an adjusting nut 3 located on one side of the main board 1. The threaded screw rod 2 is screwed in or out to one side close to the regulating gear 8 or one side far away from the regulating gear 8 relative to the main plate 1 by rotating the regulating nut 3. The adjusting nut 3 can be arranged on one side (inner side) of the main board 1 close to the regulating gear 8, and also can be arranged on one side (outer side) of the main board 1 far away from the regulating gear 8.
Both ends of the drawing piece 4 are provided with threads, and the threads at one end of the drawing piece 4 are in threaded fit with the second threaded hole in the mainboard 1. The thread at the other end of the drawing piece 4 is in threaded fit with the corresponding threaded hole on the regulating gear 8.
As shown in fig. 2, during the use, one end screw thread screw in regulation and control gear 8 on the corresponding threaded hole of mainboard 1 will be kept away from to drawing piece 4, rotatory adjusting nut 3 makes threaded lead screw 2 advance to regulation and control gear 8 end precession to the end face contact with the locking keyboard, continue rotatory adjusting nut 3 to pull out and separate regulation and control gear 8 from the locking keyboard, when dismantling regulation and control gear 8, threaded lead screw 2 does not take place relative rotation with the end face contact of locking keyboard, can not cause the friction damage to the terminal surface of locking keyboard, and the atress is even, difficult damage regulation and control gear 8, and is simple in structure and light, it is efficient to dismantle.
Preferably, the drawing member 4 is a double-headed screw.
Preferably, the drawing member 4 is located at the outer side of the main plate 1 and is further provided with a nut 5 matched with the drawing member. The nut 5 is used for locking and fixing the drawing position and the main board 1 when the drawing piece 4 is screwed into the corresponding threaded hole on the regulating gear 8 in place.
Preferably, the drawing member 4 is a bolt. The threaded end of the bolt penetrates through the second threaded hole from the outer side of the main board 1.
In a preferable scheme, a gasket 6 is arranged between the adjusting nut 3 and the main board 1 through the threaded lead screw 2.
Preferably, the inner end (the end close to the regulating gear 8) of the threaded screw rod 2 is also provided with a top head 7, and the diameter of the top head 7 is not larger than the diameter of the end face of the locking keyboard. The arrangement of the top head 7 can ensure that the diameter of the threaded screw rod 2 is not limited by the diameter of the end face of the locking keyboard, and the applicability of the patent tool is improved. The top 7 and the cylinder part of the threaded screw rod 2 can be integrally machined.
In a further preferred scheme, the plug 7 is fixedly connected with the threaded lead screw 2 in a threaded manner, and the plug 7 with different diameters and materials can be assembled at the top of the threaded lead screw 2 as required. According to the preferable scheme, the matching part of the threaded screw rod 2 and the ejector head 7 is provided with a threaded counter bore, the matching part of the ejector head 7 and the threaded screw rod 2 is provided with an external threaded column, and the external threaded column of the ejector head 7 is fixed in the threaded counter bore of the threaded screw rod 2 in a threaded matching mode.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but rather by the equivalents thereof as may occur to those skilled in the art upon consideration of the present inventive concept.
Claims (7)
1. The utility model provides a specialized tool that is used for locomotive diesel engine regulation and control gear to dismantle which characterized in that: include mainboard (1), screw lead screw (2), adjusting nut (3) and draw piece (4), be equipped with first screw hole and a plurality of edge on mainboard (1) first screw hole circumference evenly distributed's second screw hole, screw lead screw (2) are worn to establish first screw hole and rather than screw-thread fit, screw lead screw (2) are through being located adjusting nut (3) locking of mainboard (1) one side, the both ends of drawing piece (4) all are equipped with the screw thread, draw the screw thread of piece (4) one end with second screw hole screw-thread fit on mainboard (1).
2. A special tool for the disassembly of a regulating gear (8) of a locomotive diesel engine, according to claim 1, characterized in that: the drawing piece (4) is a double-end screw.
3. The special tool for regulating and controlling gear disassembly of the locomotive diesel engine as claimed in claim 2, wherein: the drawing piece (4) is positioned on the outer side of the main board (1) and is also provided with a nut (5) matched with the drawing piece.
4. The special tool for regulating and controlling gear disassembly of the locomotive diesel engine as claimed in claim 1, wherein: the drawing piece (4) is a bolt.
5. The special tool for disassembling the regulating gear of the locomotive diesel engine according to any one of claims 1 to 4, characterized in that: and the threaded lead screw (2) is positioned between the adjusting nut (3) and the main board (1) and is also provided with a gasket (6) in a penetrating way.
6. The special tool for disassembling the regulating gear of the locomotive diesel engine according to any one of claims 1 to 4, characterized in that: the inner end of the threaded lead screw (2) is also provided with a top (7).
7. The special tool for regulating and controlling gear disassembly of the locomotive diesel engine as claimed in claim 6, wherein: the top (7) is fixedly connected with the threaded lead screw (2) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811310470.2A CN111136612A (en) | 2018-11-06 | 2018-11-06 | Special tool for disassembling regulating and controlling gear of locomotive diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811310470.2A CN111136612A (en) | 2018-11-06 | 2018-11-06 | Special tool for disassembling regulating and controlling gear of locomotive diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111136612A true CN111136612A (en) | 2020-05-12 |
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ID=70515976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811310470.2A Pending CN111136612A (en) | 2018-11-06 | 2018-11-06 | Special tool for disassembling regulating and controlling gear of locomotive diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111136612A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305769A (en) * | 2021-06-10 | 2021-08-27 | 西安微电子技术研究所 | High-torque pin pulling mechanism and pin pulling method for narrow cabin section |
-
2018
- 2018-11-06 CN CN201811310470.2A patent/CN111136612A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305769A (en) * | 2021-06-10 | 2021-08-27 | 西安微电子技术研究所 | High-torque pin pulling mechanism and pin pulling method for narrow cabin section |
| CN113305769B (en) * | 2021-06-10 | 2022-08-02 | 西安微电子技术研究所 | High-torque pin pulling mechanism and pin pulling method for narrow cabin section |
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