CN215881449U - Mounting tool of diesel engine piston connecting rod system - Google Patents
Mounting tool of diesel engine piston connecting rod system Download PDFInfo
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- CN215881449U CN215881449U CN202120963095.2U CN202120963095U CN215881449U CN 215881449 U CN215881449 U CN 215881449U CN 202120963095 U CN202120963095 U CN 202120963095U CN 215881449 U CN215881449 U CN 215881449U
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Abstract
The utility model provides a mounting tool of a diesel engine piston connecting rod system, which comprises two mutually hinged semicircular mounting rings, wherein the two mounting rings form an annular sleeve capable of being opened and closed, the inner side walls of the two mounting rings are used for abutting against a piston ring, a gap adjusting mechanism is arranged between the two mounting rings, and the gap adjusting mechanism is used for adjusting the pressing force of the inner side walls of the two mounting rings on the piston ring. The utility model has simple structure, easy processing and assembly, portable carrying, simple operation, high assembly efficiency and success rate.
Description
Technical Field
The utility model belongs to the technical field of mechanical maintenance and assembly, and particularly relates to a mounting tool for a piston connecting rod system of a diesel engine.
Background
The installation of the piston connecting rod system of the diesel engine is an important component of the assembly industry of the diesel engine maintenance industry, along with the further increase of the power of the imported medium-sized high-power high-detonation pressure diesel engine, taking the temperature of cooling water of the diesel engine as an example, the temperature of the cooling water of the imported medium-sized high-detonation pressure high-power diesel engine is generally 70-80 ℃ in 90 years, after the electric control technology of the diesel engine is mature, the water outlet temperature of the cylinder head of the MTU4000 series diesel engine can be stably controlled to be 103-105 ℃, the higher water outlet temperature of the cooling water can enable fuel oil to be more fully combusted, and further the output power of the diesel engine is improved; along with the improvement of cooling temperature, the hardness of the diesel engine piston ring is gradually improved, the radial elasticity of the piston ring is increased, the difficulty of the diesel engine in the installation of the traditional guide sleeve in the state is increased, and the piston ring is broken due to the fact that the axial force exceeds the designed value in the piston ring assembling process, so that the assembling failure is caused.
When mechanical assembly is carried out in an overseas construction site, due to geographical environmental factors of the construction site, a service provider cannot carry a professional installation tool for maintenance and assembly, and due to high maintenance cost of an imported machine type, the service provider usually selects to purchase accessories and then automatically maintains the accessories when the technical strength of the construction site meets the requirements. Therefore, it is highly desirable to design a mounting tool for a piston rod system of a diesel engine, which is easy to machine and assemble, portable, high in mounting efficiency and success rate, and simple to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an installation tool for a piston connecting rod system of a diesel engine, which has the advantages of simple structure, light carrying, simplicity in operation, high assembly efficiency and high success rate, and can be simply processed and assembled.
The utility model is realized by the following technical scheme:
the utility model provides a mounting tool of diesel engine piston connecting rod system, includes two mutual articulated semi-circular collar mountings, and the cyclic annular sleeve pipe that can open and shut is constituteed to two collars, and the inside wall of two collars is used for the piston ring of contradicting, is equipped with clearance adjustment mechanism between two collars, and clearance adjustment mechanism is used for adjusting the packing force of two collars inside wall to the piston ring.
Further, clearance adjustment mechanism includes adjusting bolt, nut and two handles, and the one end of two handles is fixed respectively on the free end of two collars, and the length direction of two handles is an contained angle and arranges, and the other end of two handles all is equipped with the through-hole, and adjusting bolt passes behind the through-hole on two handles in proper order with the nut spiro union.
Furthermore, the mutual hinging of the two mounting rings is realized by arranging a plurality of first hinged plates at one end of one mounting ring from top to bottom, arranging a plurality of second hinged plates at one end of the other mounting ring from top to bottom, arranging the first hinged plates and the second hinged plates in a staggered manner, arranging hinged holes on the first hinged plates, arranging hinged holes at corresponding positions of the second hinged plates and penetrating hinged pins in the corresponding hinged holes.
Furthermore, the number of the first hinge plate and the second hinge plate is two.
Further, the roughness of the inside wall of the mounting ring is the same as the roughness of the inner wall of the cylinder liner to be mounted.
Compared with the prior art, the utility model has the beneficial effects that: the structure is simple, the piston ring can be simply processed and assembled, the carrying is light, after the piston ring is sleeved at the piston ring groove according to the installation angle, the two installation rings are sleeved at the piston ring area, the pressing force of the inner side walls of the two installation rings to the piston ring is adjusted through the gap adjusting mechanism, so that the elastic force of the piston ring before entering the cylinder sleeve reaches the design value, an axial force is applied above the piston during the installation, the piston slides into the cylinder sleeve to complete the installation of a piston connecting rod system, the piston ring does not bear the axial force during the installation, the situation that the piston ring is broken due to the fact that the axial force exceeds the design value during the installation is avoided, the assembly efficiency and the success rate are high, an operator can use the piston connecting rod system after simple training, the operation is simple, and the piston ring can be suitable for installing various imported medium-sized high detonation pressure diesel engine piston connecting rod systems.
Drawings
FIG. 1 is a schematic structural diagram of a mounting tool for a piston connecting rod system of a diesel engine according to the present invention;
FIG. 2 is a schematic view of an open position in the installation tool of the diesel engine piston connecting rod system of the present invention;
FIG. 3 is a side view of a mounting ring in the installation tool of the diesel piston connecting rod system of the present invention;
FIG. 4 is a top view of a mounting ring in the installation tool of the diesel piston connecting rod system of the present invention;
FIG. 5 is a side view of the piston rod system;
FIG. 6 is a side view of the piston rod system after pre-tensioning the piston rings;
FIG. 7 is a schematic view of the installation tool for installing the piston connecting rod system of the diesel engine according to the present invention.
In the figure, 1-mounting ring, 2-adjusting bolt, 3-nut, 4-handle, 41-through hole, 5-first hinged plate, 51-hinged hole, 6-second hinged plate, 7-hinged pin, 8-piston, 9-piston ring and 10-cylinder sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the utility model product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 6, fig. 1 is a schematic structural diagram of an installation tool of a diesel engine piston connecting rod system of the present invention, fig. 2 is a schematic diagram of an open state in the installation tool of the diesel engine piston connecting rod system of the present invention, fig. 3 is a side view of an installation ring in the installation tool of the diesel engine piston connecting rod system of the present invention, fig. 4 is a top view of the installation ring in the installation tool of the diesel engine piston connecting rod system of the present invention, and fig. 6 is a side view of the piston connecting rod system after a piston ring is pre-tightened. The utility model provides a diesel engine piston connecting rod system's mounting tool, includes two mutual articulated semi-circular collar 1, and two collar 1 constitute an annular sleeve pipe that can open and shut, and the inside wall of two collars 1 is used for conflicting piston ring 9, is equipped with clearance adjustment mechanism between two collars 1, and clearance adjustment mechanism is used for adjusting the packing force of two collars 1 inside wall to piston ring 9.
The inner diameters of the two mounting rings 1 are equal to the inner diameter of the pre-assembled oil extraction cylinder sleeve 10, the two mounting rings 1 form an annular sleeve capable of opening and closing, the piston ring 9 in a free stress state is conveniently placed between the two mounting rings 1, and the inner side wall of each mounting ring 1 needs to be abutted against the piston ring 9, so that the height of each mounting ring 1 needs to be larger than the width of the piston ring 9 area. In one embodiment, the two mounting rings 1 are hinged to each other by arranging a plurality of first hinge plates 5 at one end of one mounting ring 1 from top to bottom, arranging a plurality of second hinge plates 6 at one end of the other mounting ring 1 from top to bottom, arranging the first hinge plates 5 and the second hinge plates 6 in a staggered manner, arranging hinge holes 51 on the first hinge plates 5, arranging hinge holes 51 at corresponding positions of the second hinge plates 6, and penetrating hinge pins 7 in the corresponding hinge holes 51. The strength of the hinge pin 7 is required to meet the stress requirement when the piston ring 9 is contracted. In one embodiment, the number of the first hinge plate 5 and the second hinge plate 6 is two.
Referring to fig. 7, fig. 7 is a schematic view of a piston connecting rod system installed by the installation tool of the diesel engine piston connecting rod system according to the present invention. After the piston ring 9 is sleeved at the piston ring groove according to the installation angle, the two installation rings 1 are sleeved outside the piston ring 9, and the pressing force of the inner side walls of the two installation rings 1 on the piston ring 9 is adjusted through the gap adjusting mechanism, so that the elastic force of the piston ring 9 before entering the cylinder sleeve 10 reaches the design requirement. In an embodiment, the gap adjusting mechanism includes an adjusting bolt 2, a nut 3 and two handles 4, one end of each of the two handles 4 is fixed to the free end of each of the two mounting rings 1, the length directions of the two handles 4 form an included angle, the other ends of the two handles 4 are provided with through holes 41, and the adjusting bolt 2 sequentially penetrates through the through holes 41 of the two handles 4 and then is in threaded connection with the nut 3. After the two mounting rings 1 are sleeved outside the piston ring 9, the head of the bolt and the nut 3 are respectively abutted to the two handles 4 through the positions of the adjusting nut 3 on the adjusting bolt 2, the length of the bolt between the two handles 4 is gradually changed, the two mounting rings 1 are abutted to the piston ring 9, pressing force is applied to the piston ring 9, the piston ring 9 is compressed under stress, and the elastic force gradually reaches a designed value. The gap adjusting mechanism can gradually change the length of the bolt between the two handles 4, and can prevent the piston ring 9 from being suddenly stressed and broken. Preferably, the through-hole 41 is an elliptical hole. After the piston ring 9 is pre-tightened, the mounting tool of the piston connecting rod system of the diesel engine is placed above the pre-mounted cylinder sleeve 10, an axial force is applied above the piston 8, and the piston 8 slides into the specified position of the cylinder sleeve 10 to complete the mounting of the piston connecting rod system. In an embodiment, the roughness of the inner side wall of the mounting ring 1 is the same as the roughness of the inner wall of the cylinder liner 10 to be mounted. The inside wall of collar 1 is the contact surface with piston ring 9 contact, and this setting can prevent that in the installation, because the roughness difference of the medial surface of collar 1 and the cylinder liner 10 inner wall of treating the installation leads to the condition appearance that piston ring 9 was scratched.
The installation process of the installation tool of the diesel engine piston connecting rod system of the utility model is explained as follows:
firstly, detecting whether the hinge pin 7, the handle 4, the mounting ring 1 and the adjusting bolt 2 have deformation, cracks and the like, and after the detection is normal, preparing for assembling the piston connecting rod system of the diesel engine. The large end of a connecting rod of a pre-installed cylinder is coiled to the top dead center by a jigger or manpower, sundries on the inner wall of a cylinder sleeve 10 are cleaned, lubricating oil is uniformly coated along the inner wall, a piston ring 9 in a free stress state is assembled into a piston ring groove according to the specification requirement, two installation rings 1 are opened along a hinge pin 7, the two installation rings 1 are arranged in the groove area of the piston ring 9, then the two installation rings 1 are combined along the hinge pin 7, a nut 3 on an adjusting bolt 2 is gradually adjusted, the two installation rings 1 are locked, the inner side walls of the two installation rings 1 are abutted against the piston ring 9, radial pretightening force is gradually applied to the piston ring 9, the piston ring 9 is radially stressed to the design value, and the elasticity of the piston ring 9 before entering the cylinder sleeve 10 reaches the design value. The piston connecting rod system and the mounting tool of the piston connecting rod system of the diesel engine are arranged above a cylinder sleeve 10 of a pre-mounted cylinder together, the bottom end of a mounting ring 1 is attached to the top end of the cylinder sleeve 10, an axial force which is coincident with the axis of a piston 8 is applied to the upper side of the piston 8, the direction is the same as the direction A in the figure 7, the piston connecting rod system slides into the cylinder sleeve 10 along the axial direction, the piston connecting rod system is attached to a crankshaft, the assembly of the piston connecting rod system is completed, and at the moment, the piston connecting rod system is separated from the mounting tool of the piston connecting rod system of the diesel engine, and the mounting tool can be recovered.
Compared with the prior art, the utility model has the beneficial effects that: the structure is simple, the piston ring is formed by simple processing and assembly, the carrying is light, after the piston ring 9 is sleeved at the groove of the piston ring 9 according to the mounting angle, the two mounting rings 1 are sleeved at the area of the piston ring 9, the pressing force of the inner side walls of the two mounting rings 1 on the piston ring 9 is adjusted through the gap adjusting mechanism, so that the elastic force of the piston ring 9 before entering the cylinder sleeve 10 reaches the design value, an axial force is applied above the piston 8 during the mounting, the piston 8 slides into the cylinder sleeve 10 to complete the mounting of the piston connecting rod system, the piston ring 9 does not bear the axial force during the mounting process, the situation that the piston ring 9 is broken due to the fact that the axial force exceeds the design value during the mounting process is avoided, the assembly efficiency and the success rate are high, an operator can use the piston connecting rod system after simple training, the operation is simple, and the piston connecting rod system can be suitable for various imported medium-sized high detonation pressure diesel engines.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention will still fall within the scope of the technical solution of the present invention without departing from the content of the technical solution of the present invention.
Claims (5)
1. The mounting tool for the piston connecting rod system of the diesel engine is characterized by comprising two mutually hinged semicircular mounting rings, wherein the two mounting rings form an annular sleeve capable of being opened and closed, the inner side walls of the two mounting rings are used for abutting against a piston ring, a gap adjusting mechanism is arranged between the two mounting rings and used for adjusting the pressing force of the inner side walls of the two mounting rings on the piston ring.
2. The mounting tool for the piston connecting rod system of the diesel engine as claimed in claim 1, wherein the gap adjustment mechanism comprises an adjusting bolt, a nut and two handles, one end of each of the two handles is fixed to the free end of each of the two mounting rings, the length directions of the two handles form an included angle, the other ends of the two handles are provided with through holes, and the adjusting bolt is in threaded connection with the nut after sequentially passing through the through holes of the two handles.
3. The tool for installing the piston connecting rod system of the diesel engine as claimed in claim 1, wherein the two installation rings are hinged to each other by arranging a plurality of first hinged plates at one end of one installation ring from top to bottom and a plurality of second hinged plates at one end of the other installation ring from top to bottom, the first hinged plates and the second hinged plates are arranged in a staggered manner, the first hinged plates are provided with hinged holes, the second hinged plates are also provided with hinged holes at corresponding positions, and the hinged pins penetrate through the corresponding hinged holes.
4. The tool of claim 3, wherein the number of the first hinge plate and the second hinge plate is two.
5. The tool of claim 1, wherein the roughness of the inner side wall of the mounting ring is the same as the roughness of the inner wall of the cylinder liner to be mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120963095.2U CN215881449U (en) | 2021-05-07 | 2021-05-07 | Mounting tool of diesel engine piston connecting rod system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120963095.2U CN215881449U (en) | 2021-05-07 | 2021-05-07 | Mounting tool of diesel engine piston connecting rod system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215881449U true CN215881449U (en) | 2022-02-22 |
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ID=80347328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120963095.2U Active CN215881449U (en) | 2021-05-07 | 2021-05-07 | Mounting tool of diesel engine piston connecting rod system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215881449U (en) |
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2021
- 2021-05-07 CN CN202120963095.2U patent/CN215881449U/en active Active
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