CN212445000U - Connecting rod piston assembly mounting tool - Google Patents
Connecting rod piston assembly mounting tool Download PDFInfo
- Publication number
- CN212445000U CN212445000U CN202020999452.6U CN202020999452U CN212445000U CN 212445000 U CN212445000 U CN 212445000U CN 202020999452 U CN202020999452 U CN 202020999452U CN 212445000 U CN212445000 U CN 212445000U
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- connecting rod
- guide body
- piston assembly
- clamping block
- rod piston
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Abstract
The utility model discloses a connecting rod piston assembly mounting tool, which relates to the technical field of engines and comprises a mounting frame, a connecting rod piston assembly mounting tool and a connecting rod piston assembly mounting tool, wherein the mounting frame is provided with a first end part used for being fixed with a crankshaft and a second end part used for being fixed with a connecting rod big end bearing, so that the connecting rod big end bearing does not slide or rotate on the crankshaft; the guide body is used for being connected with a connecting rod body in the connecting rod piston assembly, at least one locking assembly is installed on the guide body, the locking assembly comprises a guide body fixing rod used for being connected with the connecting rod body, and a clamping block enabling the guide body to abut against the bottom end of the connecting rod body is arranged at the lower end of the guide body fixing rod. When the connecting rod piston assembly is installed in a tilting mode, the utility model discloses a connecting rod piston assembly mounting tool can guarantee that the connecting rod body can not scratch the cylinder liner inner wall again.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to connecting rod piston assembly mounting tool.
Background
The diesel engine is composed of a plurality of mechanism parts, wherein a connecting rod piston assembly is an important part, the connecting rod piston assembly of each cylinder is assembled, lifted and installed in a cylinder sleeve and connected with a connecting rod big end bearing positioned at a crankshaft end, the installation process of the connecting rod piston assembly in an in-line type is simple, a lifting tool is installed on the connecting rod piston assembly, the connecting rod piston assembly is vertically lifted to a corresponding position of a rack and placed in the cylinder sleeve, and a connecting rod body is well butted with the connecting rod big end bearing. For the connecting rod piston assembly of the V-shaped diesel engine, the lifting tool is required to be installed on the connecting rod piston assembly, and simultaneously, the lifting tool is lifted to be inclined to a certain angle to meet the installation requirement, and the connecting rod piston assembly is installed in an inclined mode, so that the connecting rod body of the connecting rod piston assembly can easily scratch the inner wall of the cylinder sleeve. The common installation method for the V-shaped diesel engine is as follows: the machine body fixing base can rotate, the relative installation position of the inclined connecting rod piston assembly is changed into vertical, and the installation is convenient. However, this mounting method leads to increased costs due to the addition of an auxiliary rotating mechanism.
Disclosure of Invention
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the embodiment of the utility model provides a connecting rod piston assembly mounting tool, can incline to install connecting rod piston assembly, and the connecting rod body can not scratch the cylinder liner inner wall again.
According to the utility model discloses connecting rod piston subassembly mounting tool, including the mounting bracket, have the first end that is used for with the bent axle fixed and be used for with the second end that the big end bearing of connecting rod was fixed, so that the big end bearing of connecting rod does not take place to slide or rotate on the bent axle; and the guide body is connected with the bottom end of the rod body through at least one locking component.
In an alternative or preferred embodiment, the upper end face of the guide body is provided with a boss for being clamped into a counter bore at the bottom of the connecting rod body.
In an alternative or preferred embodiment, the locking assembly further comprises a fixing cap fixed at the upper end of the guide body fixing rod, and a clamping space for clamping the guide body and the bottom end of the connecting rod body (121) is formed between the fixing cap and the clamping block.
In an alternative or preferred embodiment, the clamping block is in an elongated shape, the guide body is provided with an elongated hole through which the clamping block passes, and the clamping block passes through the elongated hole and then rotates the guide body fixing rod, so that the clamping block is pressed against the lower end face of the guide body.
In an optional or preferred embodiment, the guide body fixing rod is provided with a second bolt located below the first bolt, the guide body fixing rod is sleeved with a pressure spring, the top of the pressure spring is connected to the second bolt, and the outer diameter of the pressure spring is larger than the width of the elongated hole.
In an alternative or preferred embodiment, the clamping block is fixed to the guide body by means of at least one set screw.
In an alternative or preferred embodiment, the lower end face of the guide body is provided with a counter bore for placing each clamping block.
In an optional or preferred embodiment, the bottom of the fixing cap is further provided with a limiting seat body, and the limiting seat body is connected to the guide body fixing rod through a first bolt.
In an optional or preferred embodiment, the first end portion and the second end portion are both provided with a connecting assembly, the connecting assembly comprises a fastening bolt and an adjusting bolt, the first end portion and the second end portion are both provided with a through hole for the fastening bolt to pass through, and the first end portion and the second end portion are both provided with a nut for the adjusting bolt to screw in.
Based on the technical scheme, the embodiment of the utility model provides a following beneficial effect has at least: among the above-mentioned scheme, through the design mounting bracket to it is fixed between connecting rod big end bearing and the bent axle, make connecting rod big end bearing not take place to slide or rotate on the bent axle, in addition, be connected with the guide body in connecting rod body bottom of connecting rod piston assembly, thereby make when putting piston assembly into the cylinder liner, guide body perisporium and cylinder liner inner wall contact, connecting rod body can not scratch the cylinder liner inner wall. When the connecting rod piston assembly is installed in a tilting mode, the utility model discloses a connecting rod piston assembly mounting tool can guarantee that the connecting rod body can not scratch the cylinder liner inner wall again.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
FIG. 1 is a schematic structural diagram of a mounting and dismounting state of an embodiment of the present invention during a mounting and dismounting process of a V-type engine;
FIG. 2 is a perspective view of the embodiment of the present invention applied to the installation of a connecting rod piston assembly;
FIG. 3 is an enlarged view of a portion of circle A of FIG. 2;
FIG. 4 is a side view of the embodiment of the present invention applied to the installation of a connecting rod piston assembly;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a sectional view of the connection of the guide body and the connecting rod body in the embodiment of the present invention;
FIG. 7 is a front view of a guide body coupled to a connecting rod body in an embodiment of the present invention, wherein the locking assembly is shown in partial cross-section;
fig. 8 is a perspective view of a mounting bracket in an embodiment of the invention;
fig. 9 is a perspective view of a guide body in an embodiment of the invention;
fig. 10 is a front view of a guide body in an embodiment of the invention;
fig. 11 is a perspective view of a locking assembly in an embodiment of the invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the positional or orientational descriptions, such as the central, longitudinal, lateral, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise, axial, radial, circumferential, etc., are based on the positional or orientational relationships shown in the drawings and are for convenience of description only and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.
In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and larger, lower, inner, etc. are understood as including the present number unless otherwise specifically limited. Furthermore, the descriptions of first and second are only for the purpose of distinguishing between technical features, and are not to be construed as indicating or implying relative importance or implying any number or order of indicated technical features.
In the description of the present invention, unless otherwise clear and definite limitations, words such as setting, arranging, installing, connecting, linking, fixing, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention by combining the specific contents of the technical solutions.
In the description of the present invention, unless otherwise expressly limited, the first feature may be located above or below the second feature and may be directly in contact with the second feature or indirectly in contact with the first feature through intervening media. Also, a first feature may be directly above or obliquely above a second feature, or merely that the first feature is at a higher level than the second feature. A first feature may be directly below or obliquely below a second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1-7, a connecting rod piston assembly installation tool is described that may be applied in the installation of a piston and connecting rod assembly of a V-type engine, according to an embodiment of the present invention. As known to those skilled in the art, the connecting rod piston assembly 12 comprises a piston and a connecting rod body 121, and the connecting rod piston assembly 12 is installed by placing the connecting rod piston assembly 12 into the cylinder sleeve 11 from the cylinder sleeve 11 and connecting the bottom of the connecting rod body 121 with the big end bearing 13 of the connecting rod.
According to the utility model discloses connecting rod piston assembly mounting tool, including mounting bracket 30 and guide body 40.
Wherein, referring to fig. 8, the mounting bracket 30 has a first end 31 for fixing with the crankshaft 20 and a second end 32 for fixing with the big end bearing 13, so that the big end bearing 13 does not slide or rotate on the crankshaft 20. As shown in fig. 3, the first end 31 is specifically a crankshaft balance weight 21 fixed to the crankshaft 20, and the second end 32 is fixed to the upper cover of the big end bearing 13, so that the big end bearing 13 is fixed to the crankshaft 20 through the mounting bracket 30, and the big end bearing 13 is aligned with the lower skirt of the cylinder liner 11. Preferably, the first end portion 31 and the second end portion 32 are both provided with a connecting assembly, the connecting assembly includes a fastening bolt 331 and an adjusting bolt 332, the first end portion 31 and the second end portion 32 are both provided with a through hole 333 for the fastening bolt 331 to pass through, and the first end portion 31 and the second end portion 32 are both provided with a nut 334 for the adjusting bolt 332 to screw in. Taking the first end 31 as an example, if only the fastening bolt 331 is installed, the side wall of the first end 31 cannot be closely attached to the crankshaft balance weight 21, but the side wall of the first end 31 can be closely attached to the crankshaft balance weight 21 by adjusting the adjusting bolt 332 adjacent to the fastening bolt 331, and it should be noted that the connecting rod large end bearing 13 and the crankshaft balance weight 21 are both provided with screw holes for the fastening bolt 331 and the adjusting bolt 332.
Referring to fig. 9 and 10, the guide body 40 is secured to the bottom end of the connecting rod body 121 by at least one locking assembly 50, the guide body 40 preferably being phenolic plastic, although other plastics may alternatively be used. Specifically, as shown in fig. 7, the upper end surface of the guide body 40 is provided with a boss 41 to be caught in a counter bore at the bottom of the pitman shaft 121. In this embodiment, two locking assemblies 50 are provided, and it can be understood that, as shown in fig. 9, the boss 41 is elongated to be inserted into the counter bore at the bottom of the connecting rod body 121, and the relative horizontal position of the boss and the counter bore is limited, and only one locking assembly 50 is needed to fix the guide body 40 at the bottom end of the connecting rod body 121. It should be noted that, as known by those skilled in the art, the bottom of the connecting rod body 121 needs to be connected with the connecting rod big end bearing 13, specifically, the connecting rod body is connected through a plurality of bolts, and mounting holes for the bolts to pass through are formed in four corners of the seat body at the bottom of the connecting rod body 121.
Specifically, referring to fig. 11, the locking assembly 50 includes a guide body fixing rod 51, a fixing cap 56 fixed to an upper end of the guide body fixing rod 51, and a clamping block 52 fixed to a lower end of the guide body fixing rod 51, and a clamping space for clamping the guide body 40 and the bottom end of the link shaft 121 is formed between the fixing cap 56 and the clamping block 52. Further, the clamping block 52 is long, the guide body 40 is provided with a long hole 42 through which the clamping block 52 passes, and the clamping block 52 passes through the long hole 42 and then rotates the guide body fixing rod 51, so that the clamping block 52 presses against the lower end face of the guide body 40. It will be appreciated that the width of the slot 42 is comparable to the diameter of the mounting hole of the seat at the bottom of the connecting rod shank 121.
The specific installation process of the locking assembly 50 is as follows: the clamping block 52 of the guide body fixing rod 51 penetrates through the mounting hole of the seat body at the bottom of the connecting rod body 121, the clamping block 52 is aligned to the long hole of the guide body 40 and penetrates through the long hole, then the fixing cap 56 is rotated, the rotation angle is approximately 90 degrees, both anticlockwise rotation and clockwise rotation are achieved, at the moment, the fixing cap 56 abuts against the seat body at the bottom of the connecting rod body 121, the clamping block 52 abuts against the lower end face of the guide body 40, and therefore the guide body 40 and the seat body at the bottom of the connecting rod body 121 are fixed. Preferably, the bottom of the fixing cap 56 is further provided with a limit seat 53, and the limit seat 53 is connected to the guide fixing rod 51 through a first bolt 55. The outer diameter of the limiting seat body 53 is in clearance fit with the mounting hole of the seat body at the bottom of the connecting rod body 121, so that the guide body fixing rod 51 can be prevented from shaking.
In addition, the guide fixing rod 51 is provided with a second bolt 57, the guide fixing rod 51 is sleeved with a compression spring 58, the top of the compression spring 58 is connected to the second bolt 57, and the outer diameter of the compression spring 58 is larger than the width of the elongated hole 42. It can be understood that, with reference to fig. 7, when the guide fixing rod 51 passes through the mounting hole of the seat body at the bottom of the connecting rod body 121 and then the clamping block 52 is aligned with the elongated hole of the guide body 40, the lower end of the pressure spring 58 will be pressed against the upper end surface of the guide body 40, at this time, the fixing cap 56 needs to be pressed down with force, so that the clamping block 52 passes through the elongated hole of the guide body 40 and then rotates, and the gap between the guide body and the seat body at the bottom of the connecting rod body can be restrained by the action of the pressure spring.
Furthermore, the clamping blocks 52 are fixed on the guide body 40 by at least one set screw 59, and in this embodiment, two set screws 59 are fastened on each clamping block 52, so that the guide body fixing rod 51 can be prevented from rotating relative to the guide body 40. Of course, the lower end face of the guide body 40 is preferably provided with a counter bore 43 into which each clamping block 52 is inserted.
Use the utility model discloses connecting rod piston assembly mounting tool, specific operating procedure is as follows:
s1, the first end 31 of the mounting bracket 30 is fixed to the crankshaft 20, and the second end 32 of the mounting bracket 30 is fixed to the big end connecting rod bearing 13, so that the big end connecting rod bearing 13 does not slide or rotate on the crankshaft 20. At this time, it is necessary to check whether the mounting bracket 30 exceeds the inner wall of the cylinder casing 11 to prevent interference between the guide body 40 and the mounting bracket 30 when they are butted.
The guide body 40 is connected to the bottom end of the connecting rod body 121, specifically, the boss 41 of the guide body 40 is clamped into the counterbore of the base body at the bottom of the connecting rod body 121, and then the two locking assemblies 50 fix the guide body 40 at the bottom end of the connecting rod body 121 respectively. In the installation process of the single locking assembly 50, after the guide body fixing rod 51 passes through the installation hole of the seat body at the bottom of the connecting rod body 121, and then the clamping block 52 is aligned with the long hole of the guide body 40, the fixing cap 56 needs to be pressed down with force, so that the clamping block 52 passes through the long hole of the guide body 40 and then rotates, and the corresponding set screw 59 is screwed.
S2, the connecting rod piston assembly 12 is lifted and placed into the cylinder casing 11, and the guide body 40 and the connecting rod piston assembly 12 slide down against the lubricating oil in the cylinder casing 11.
After the guide body 40 slides out of the cylinder sleeve 11, the guide body 40 is removed, the removal process can refer to the installation process of the guide body 40, namely, the guide body 40 is firstly supported by hand, the locking component 50 is removed, then the guide body 40 is removed, then the connecting rod piston component 12 slowly slides down, four connecting bolts of the bearing 13 at the upper end of the connecting rod are observed and respectively aligned with four installation holes on the base body at the bottom of the connecting rod body 121, the connecting rod piston component 12 can be properly adjusted in the process, the connecting rod piston component 12 is sunk onto the end surface of the bearing at the large end of the connecting rod, and the connecting rod body 121 of the connecting rod piston component 12 is connected with the bearing 13 at the large end.
And S3, removing the mounting frame 30.
In other embodiments, detach the connecting rod piston subassembly, also can use the utility model discloses a connecting rod piston subassembly mounting tool, concrete step of hanging out with the utility model discloses the connecting rod piston subassembly installation step of embodiment is opposite, and the technical personnel in the field can understand completely, and this is no longer repeated.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (9)
1. A connecting rod piston assembly mounting tool which characterized in that: comprises that
A mounting bracket (30) having a first end portion (31) for being fixed with the crankshaft (20) and a second end portion (32) for being fixed with the connecting rod big end bearing (13) so that the connecting rod big end bearing (13) does not slide or rotate on the crankshaft (20); and
the guide body (40), the guide body (40) passes through at least one locking subassembly (50) and fixes in connecting rod body (121) bottom.
2. The connecting rod piston assembly installation tool of claim 1, wherein: the upper end face of the guide body (40) is provided with a boss (41) which is clamped into a counter bore at the bottom of the connecting rod body (121).
3. The connecting rod piston assembly installation tool of claim 2, wherein: the locking assembly (50) comprises a guide body fixing rod (51), a fixing cap (56) fixed at the upper end of the guide body fixing rod (51) and a clamping block (52) fixed at the lower end of the guide body fixing rod (51), wherein a clamping space for clamping the guide body (40) and the bottom end of the connecting rod body (121) is formed between the fixing cap (56) and the clamping block (52).
4. A connecting rod piston assembly installation tool according to claim 3, wherein: the clamping block (52) is long, the guide body (40) is provided with a long hole (42) for the clamping block (52) to pass through, and the clamping block (52) passes through the long hole (42) and then rotates the guide body fixing rod (51) so that the clamping block (52) is pressed against the lower end face of the guide body (40).
5. The connecting rod piston assembly installation tool of claim 4, wherein: the guide body fixing rod (51) is provided with a second bolt (57), the guide body fixing rod (51) is sleeved with a pressure spring (58), the top of the pressure spring (58) is connected to the second bolt (57), and the outer diameter of the pressure spring (58) is larger than the width of the strip hole (42).
6. The connecting rod piston assembly installation tool of claim 5, wherein: the clamping block (52) is fixed to the guide body (40) by means of at least one set screw (59).
7. The connecting rod piston assembly installation tool of claim 6, wherein: the lower end face of the guide body (40) is provided with a counter bore (43) for placing each clamping block (52).
8. A connecting rod piston assembly installation tool according to claim 3, wherein: the bottom of the fixing cap (56) is also provided with a limiting seat body (53), and the limiting seat body (53) is connected to the guide body fixing rod (51) through a first bolt (55).
9. The connecting rod piston assembly installation tool of any one of claims 1 or 8, wherein: first end (31) with second end (32) all is provided with coupling assembling, coupling assembling includes fastening bolt (331) and adjusting bolt (332), first end (31) with confession has all been seted up in second end (32) through-hole (333) that fastening bolt (331) passed, first end (31) with second end (32) all is provided with the confession nut (334) of adjusting bolt (332) screw in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020999452.6U CN212445000U (en) | 2020-06-03 | 2020-06-03 | Connecting rod piston assembly mounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020999452.6U CN212445000U (en) | 2020-06-03 | 2020-06-03 | Connecting rod piston assembly mounting tool |
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| Publication Number | Publication Date |
|---|---|
| CN212445000U true CN212445000U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020999452.6U Active CN212445000U (en) | 2020-06-03 | 2020-06-03 | Connecting rod piston assembly mounting tool |
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| CN (1) | CN212445000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716281A (en) * | 2020-06-03 | 2020-09-29 | 广州柴油机厂股份有限公司 | Connecting rod piston assembly mounting tool and mounting method |
| CN111716281B (en) * | 2020-06-03 | 2024-06-25 | 广州柴油机厂股份有限公司 | Connecting rod piston assembly mounting tool and mounting method |
-
2020
- 2020-06-03 CN CN202020999452.6U patent/CN212445000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716281A (en) * | 2020-06-03 | 2020-09-29 | 广州柴油机厂股份有限公司 | Connecting rod piston assembly mounting tool and mounting method |
| CN111716281B (en) * | 2020-06-03 | 2024-06-25 | 广州柴油机厂股份有限公司 | Connecting rod piston assembly mounting tool and mounting method |
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