CN210099915U - Cylinder sleeve assembling tool suitable for diesel engine - Google Patents
Cylinder sleeve assembling tool suitable for diesel engine Download PDFInfo
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- CN210099915U CN210099915U CN201921021856.1U CN201921021856U CN210099915U CN 210099915 U CN210099915 U CN 210099915U CN 201921021856 U CN201921021856 U CN 201921021856U CN 210099915 U CN210099915 U CN 210099915U
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- cylinder
- cylinder sleeve
- positioning
- cylinder liner
- positioning disc
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Abstract
The utility model discloses a cylinder liner assembly fixture suitable for diesel engine, include: the tool positioning device comprises a tool positioning disc, wherein a threaded hole is formed in the center of the tool positioning disc, and a plurality of through holes are formed in the tool positioning disc and used for installing fixing bolts; the assembling screw is assembled in the threaded hole and connected with the tool positioning disc; the cylinder sleeve positioning device comprises a cylinder sleeve positioning disc, a plurality of clamping pins are mounted on the lower end face of the cylinder sleeve positioning disc, and springs are connected to the inner side faces of the clamping pins, so that the clamping pins can stretch out and draw back under the action of the springs according to the inner diameter of the cylinder sleeve; when the engine cylinder sleeve is assembled, the lower end face of the assembling screw rod is in contact with the upper end face of the cylinder sleeve positioning disc so as to generate thrust on the cylinder sleeve positioning disc and enable the cylinder sleeve to be installed in the cylinder hole. The utility model discloses a cylinder liner assembly fixture can guarantee that the parallel and atress of cylinder liner organism of packing into uniformly, avoids organism, cylinder liner to warp impairedly, has improved assembly quality and assembly efficiency.
Description
Technical Field
The utility model relates to an assembly fixture, especially about a cylinder liner assembly fixture suitable for diesel engine.
Background
An assembly tool is needed when a cylinder sleeve of a diesel engine is assembled, the existing cylinder sleeve assembly tool is of a door-shaped structure (as shown in figure 1), only has two supporting points, is difficult to ensure that the two supporting points are on the same horizontal plane during assembly, and is easy to deflect the cylinder sleeve during assembly, so that a machine body and the cylinder sleeve are damaged; in addition, the contact surface between the middle long screw 101 and the positioning block 102 is not positioned, and is easy to slip and deviate. When assembling different engine cylinder liners, need to change the locating piece that corresponds with the cylinder liner, consequently, the frock commonality is not strong, uses inconveniently.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cylinder liner assembly fixture suitable for diesel engine, it can guarantee that the parallel and atress of cylinder liner organism of packing into uniformly, avoids organism, cylinder liner to warp impairedly, has improved assembly quality.
In order to achieve the above object, the utility model provides a cylinder liner assembly fixture suitable for diesel engine, this cylinder liner assembly fixture includes: the tool positioning device comprises a tool positioning disc, wherein a threaded hole is formed in the center of the tool positioning disc, and a plurality of through holes are formed in the tool positioning disc and used for installing fixing bolts; the assembling screw is assembled in the threaded hole and connected with the tool positioning disc; the cylinder sleeve positioning device comprises a cylinder sleeve positioning disc, a plurality of clamping pins are mounted on the lower end face of the cylinder sleeve positioning disc, and springs are connected to the inner side faces of the clamping pins, so that the clamping pins can stretch out and draw back under the action of the springs according to the inner diameter of the cylinder sleeve; when the engine cylinder sleeve is assembled, the lower end face of the assembling screw rod is in contact with the upper end face of the cylinder sleeve positioning disc so as to generate thrust on the cylinder sleeve positioning disc and enable the cylinder sleeve to be installed in the cylinder hole.
In a preferred embodiment, the center of the upper end surface of the cylinder liner positioning disc is provided with an arc-surface groove, so that the lower end surface of the assembling screw is in arc-surface contact with the upper end surface of the cylinder liner positioning disc.
In a preferred embodiment, the number of the through holes of the tool positioning plate is three, the three through holes are uniformly arranged at intervals, the number of the clamping feet is three, and the three clamping feet are uniformly arranged at intervals.
In a preferred embodiment, three positioning legs are uniformly arranged on the lower end surface of the tool positioning disc at intervals, and the upper end part of each positioning leg is provided with a thread so as to be screwed into the tool positioning disc.
In a preferred embodiment, the lower end surface of the cylinder liner positioning plate is provided with three grooves, each clamping pin is arranged in each groove, and the lower end of each clamping pin extends out of the lower end surface of the cylinder liner positioning plate and is used for being clamped into the cylindrical inner wall of the cylinder liner.
In a preferred embodiment, the outer side of the clamping foot is adjacent to the inner wall of the groove, the inner side of the clamping foot is provided with a projection, and the spring is sleeved on the projection.
In a preferred embodiment, the middle part of the lower end surface of the cylinder sleeve positioning disc is also provided with an anti-dropping disc, and the anti-dropping disc is connected with the lower end surface of the cylinder sleeve positioning disc through an anti-dropping disc fixing screw.
In a preferred embodiment, the positioning pin is made of PVC, and the positioning pin is perpendicular to the tool positioning plate and parallel to the inner wall of the cylinder hole.
In a preferred embodiment, the clip is made of PVC.
Compared with the prior art, according to the utility model discloses a cylinder liner assembly fixture suitable for diesel engine has following advantage: the cylinder sleeve assembling tool effectively guarantees the cylindricity of the assembled cylinder sleeve through the tool fixing disc, the positioning pin triangular positioning, the arc contact surface between the assembling screw rod and the cylinder sleeve fixing device and the triangular positioning clamping pin on the cylinder sleeve fixing device, avoids the machine body, the cylinder sleeve and the sealing ring from being deformed and damaged, improves the assembling quality of an engine, and avoids the faults of cylinder pulling, water leakage, air leakage and the like of the engine caused by assembling reasons. Meanwhile, the cylinder sleeve assembling tool is applicable to various diesel engines, high in universality and convenient to use, and the assembling efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a cylinder liner assembly tool in the prior art.
Fig. 2 is a schematic structural diagram of a cylinder liner assembly fixture according to an embodiment of the present invention.
Fig. 3 is a schematic top view of a tool positioning plate according to an embodiment of the present invention.
Fig. 4 is a sectional view taken along a-a of fig. 3.
Fig. 5 is a schematic top view of a liner locating apparatus according to an embodiment of the present invention.
Fig. 6 is a sectional view taken along the direction B-B of fig. 5.
Description of the main reference numerals:
201-tool positioning device, 202-assembly screw rod, 203-cylinder sleeve positioning device, 204-tool positioning disc, 205-threaded hole, 206-through hole, 207-fixing bolt, 208-cylinder sleeve positioning disc, 209-clamping pin, 210-spring, 211-cambered surface groove, 212-positioning pin and 213-anti-falling disc.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 2 to 6, according to the utility model discloses preferred embodiment's cylinder liner assembly fixture suitable for diesel engine, this cylinder liner assembly fixture includes: the tooling positioning device 201, the assembling screw 202 and the cylinder sleeve positioning device 203, wherein the tooling positioning device 201 comprises a tooling positioning disc 204, the tooling positioning disc 204 is of a cylindrical structure, a threaded hole 205 is formed in the center of the tooling positioning disc 204, and a plurality of through holes 206 are formed in the tooling positioning disc 204 and used for installing fixing bolts 207. The assembly screw 202 is fitted into the threaded hole 205 to be connected to the tool positioning plate 204. The cylinder sleeve positioning device 203 comprises a cylinder sleeve positioning disc 208, the cylinder sleeve positioning disc 208 is of a cylindrical structure, a plurality of clamping pins 209 are mounted on the lower end surface of the cylinder sleeve positioning disc 208, and springs 210 are connected to the inner side surfaces of the clamping pins 209, so that the clamping pins 209 can stretch and retract according to the inner diameter of the cylinder sleeve under the action of the springs 210; when the engine cylinder sleeve is assembled, the assembling screw 202 can be rotated by using tools such as a rocker arm, an air gun, a wrench and the like, and the lower end face of the assembling screw 202 is in contact with the upper end face of the cylinder sleeve positioning disc 208 so as to generate thrust on the cylinder sleeve positioning disc 208 and enable the cylinder sleeve to be installed in a cylinder hole.
As shown in fig. 2, the center of the upper end surface of the liner positioning plate 208 is provided with an arc-shaped groove 211 so that the lower end surface of the assembly screw 202 makes arc-shaped contact with the upper end surface of the liner positioning plate 208, thereby preventing slippage and misalignment between the two and enabling the thrust force to be transmitted uniformly.
As shown in fig. 3, the number of the through holes 206 of the tooling positioning plate 208 is three, the three through holes 206 are uniformly arranged at intervals, the fixing bolts are used for fixing the tooling positioning plate and bearing the reaction force generated when the cylinder sleeve is assembled, the fixing bolts (which are generally replaced by engine cylinder head bolts) can be adjusted in bolt size and positioning pitch according to the model, and the fixing bolts are installed in bolt holes of the engine cylinder head. As shown in fig. 5 to 6, the number of the locking legs 209 is three, and the three locking legs 209 are arranged at regular intervals.
As shown in fig. 2, three positioning legs 212 are uniformly spaced on the lower end surface of the tooling positioning plate 208, and the upper end of each positioning leg 212 is provided with a thread to be screwed into the tooling positioning plate 204. The positioning foot is perpendicular to the tool positioning disc and parallel to the inner wall of the cylinder hole. The positioning foot is used for balancing the whole tool, and the tool positioning disc is parallel to the cylinder sleeve and the cylinder hole, so that the cylinder sleeve is parallelly installed in the cylinder hole during assembly.
As shown in fig. 5-6, the lower end surface of the cylinder liner positioning plate 208 is provided with three grooves 215, each clamping pin 209 is respectively arranged in each groove, and the lower end of each clamping pin 209 extends out of the lower end surface of the cylinder liner positioning plate 208 and is used for being clamped in the cylindrical cylinder liner inner wall. The lateral surface of the clamping foot 209 is adjacent to the inner wall of the groove, the protruding part 216 is arranged on the lateral surface of the clamping foot 209, the spring 210 is sleeved on the protruding part 216, the clamping foot 209 can freely stretch out and draw back according to the inner diameter of the cylinder sleeve, the cylinder sleeve is suitable for cylinder sleeves with different diameters, meanwhile, the clamping foot 209 can play a role in pre-positioning, the cylinder sleeve positioning disc is prevented from loosening, and the stress point of the cylinder sleeve is located on the central axis of the cylinder sleeve. The middle part of the lower end face of the cylinder sleeve positioning plate is also provided with an anti-release plate 213, the anti-release plate 213 is connected with the lower end face of the cylinder sleeve positioning plate 208 through an anti-release plate fixing screw 214, and the anti-release plate 213 is used for limiting the clamping pins and the springs to prevent the clamping pins and the springs from falling off.
In a preferred embodiment, the clamping pin and the positioning pin are both made of PVC.
The utility model discloses a when cylinder liner assembly fixture suitable for diesel engine used, install the engine cylinder liner in the organism jar downthehole earlier, then adjust the hole site of fixing bolt according to organism cylinder cap bolt on the frock positioner, and twist three fixing bolt into the organism fixed, it is cylindrical cylinder liner inner wall to go into three card foot card on the cylinder liner positioner afterwards, at last with the rotatory assembly screw rod of instruments such as air gun, spanner, rocking arm, it is downthehole to go into the jar with the cylinder liner top on the cylinder liner positioner, unscrew fixing bolt after the completion, and it can to take out the frock.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a cylinder liner assembly fixture suitable for diesel engine, its characterized in that, cylinder liner assembly fixture includes:
the tool positioning device comprises a tool positioning disc, wherein a threaded hole is formed in the center of the tool positioning disc, and a plurality of through holes are formed in the tool positioning disc and used for installing fixing bolts;
the assembling screw rod is assembled in the threaded hole and connected with the tool positioning disc; and
the cylinder sleeve positioning device comprises a cylinder sleeve positioning disc, a plurality of clamping pins are mounted on the lower end face of the cylinder sleeve positioning disc, and springs are connected to the inner side faces of the clamping pins, so that the clamping pins can stretch out and draw back according to the inner diameter of the cylinder sleeve under the action of the springs;
when the engine cylinder sleeve is assembled, the lower end face of the assembling screw rod is in contact with the upper end face of the cylinder sleeve positioning disc so as to generate thrust on the cylinder sleeve positioning disc and enable the cylinder sleeve to be installed in a cylinder hole.
2. The cylinder liner assembling tool according to claim 1, wherein an arc-shaped groove is formed in the center of the upper end face of the cylinder liner positioning disc, so that the lower end face of the assembling screw rod is in arc-shaped contact with the upper end face of the cylinder liner positioning disc.
3. The cylinder liner assembling tool according to claim 1, wherein the number of the through holes of the tool positioning plate is three, the three through holes are evenly spaced, the number of the clamping feet is three, and the three clamping feet are evenly spaced.
4. The cylinder sleeve assembling tool according to claim 3, wherein three positioning legs are uniformly arranged on the lower end face of the tool positioning plate at intervals, and the upper end portion of each positioning leg is provided with a thread so as to be screwed into the tool positioning plate.
5. The cylinder liner assembling tool according to claim 4, wherein three grooves are formed in the lower end face of the cylinder liner positioning plate, each clamping pin is arranged in each groove, and the lower end of each clamping pin extends out of the lower end face of the cylinder liner positioning plate and is clamped into the cylindrical inner wall of the cylinder liner.
6. The cylinder liner assembling tool according to claim 5, wherein an outer side surface of the clamping foot is adjacent to an inner wall of the groove, a protruding portion is arranged on an inner side surface of the clamping foot, and the spring is sleeved on the protruding portion.
7. The cylinder liner assembling tool according to claim 6, wherein an anti-dropping disc is further arranged in the middle of the lower end face of the cylinder liner positioning disc, and the anti-dropping disc is connected with the lower end face of the cylinder liner positioning disc through anti-dropping disc fixing screws.
8. The cylinder liner assembling tool according to claim 5, wherein the positioning pin is made of PVC, and the positioning pin is perpendicular to the tool positioning plate and parallel to the inner wall of the cylinder hole.
9. The cylinder liner assembling tool according to claim 6, wherein the clamping legs are made of PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921021856.1U CN210099915U (en) | 2019-07-03 | 2019-07-03 | Cylinder sleeve assembling tool suitable for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921021856.1U CN210099915U (en) | 2019-07-03 | 2019-07-03 | Cylinder sleeve assembling tool suitable for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210099915U true CN210099915U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921021856.1U Active CN210099915U (en) | 2019-07-03 | 2019-07-03 | Cylinder sleeve assembling tool suitable for diesel engine |
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| CN (1) | CN210099915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170961A (en) * | 2019-07-03 | 2019-08-27 | 广西玉柴机器股份有限公司 | Cylinder sleeve assembly tooling suitable for diesel engine |
-
2019
- 2019-07-03 CN CN201921021856.1U patent/CN210099915U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170961A (en) * | 2019-07-03 | 2019-08-27 | 广西玉柴机器股份有限公司 | Cylinder sleeve assembly tooling suitable for diesel engine |
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