CN111409042A - Disc crankshaft tool and using method - Google Patents
Disc crankshaft tool and using method Download PDFInfo
- Publication number
- CN111409042A CN111409042A CN202010345834.1A CN202010345834A CN111409042A CN 111409042 A CN111409042 A CN 111409042A CN 202010345834 A CN202010345834 A CN 202010345834A CN 111409042 A CN111409042 A CN 111409042A
- Authority
- CN
- China
- Prior art keywords
- crankshaft
- sleeve
- arc
- handle
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 4
- 244000309464 bull Species 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- B25B33/00—Hand tools not covered by any other group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a disc crankshaft tool and a using method thereof, wherein the disc crankshaft tool comprises a sleeve and a rotating rod device, wherein one end of the rotating rod device is detachably connected with the sleeve; the right part of the sleeve is provided with a central connecting hole, the outer side of the sleeve is provided with a mounting groove, and the mounting groove extends along the axial direction of the sleeve; the rotating rod device comprises a connecting key, an arc-shaped rod and a handle, wherein the connecting end of the arc-shaped rod is respectively connected with the connecting key and the handle, the arc-shaped rod is perpendicular to the connecting key and the handle, and the connecting key and the handle are parallel in space; the connecting key is in clearance fit with the mounting groove; the handle corresponds to a positioning hole or a screw hole of the large-end flange of the crankshaft to be rotated. The invention has the advantages of simple structure, convenient use, flexible application and the like.
Description
Technical Field
The invention relates to the technical field of engine accessory assembling tools, in particular to a disc crankshaft tool and a using method thereof.
Background
In the process of assembling the engine, required parts are organically combined and assembled, and certain technological requirements are met. The crankshaft is one of the most important parts of the engine, and the crankshaft is often required to rotate and stop in order to meet the installation requirements in the assembly process of the engine, such as assembly of a piston connecting rod, measurement of the projection height of a piston and the like. Therefore, a certain tool or mechanism is required to effectively clamp or rotate the crankshaft. The existing crankshaft clamping method is to use a crowbar to support the crankshaft and give a certain resistance in the opposite direction of the crankshaft rotation direction, so as to clamp the crankshaft, or to use two hands to shake the crankshaft, so as to rotate the crankshaft to achieve the purpose. In actual operation, the crankshaft clamping method is low in efficiency, low in reliability and accuracy, a reverse stress point is difficult to find on an engine, and interference on other parts of the engine is avoided, so that the invention of the novel crankshaft coiling tool is particularly important.
The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
The invention aims to provide a disc crankshaft tool and a using method, wherein the disc crankshaft tool is simple in structure, convenient to use and practical.
Preferably, the invention can also have the following technical features:
a disc crankshaft tool comprises a sleeve and a rotating rod device, wherein one end of the rotating rod device is detachably connected with the sleeve; the right part of the sleeve is provided with a central connecting hole, the outer side of the sleeve is provided with a mounting groove, and the mounting groove extends along the axial direction of the sleeve; the rotating rod device comprises a connecting key, an arc-shaped rod and a handle, wherein the connecting end of the arc-shaped rod is respectively connected with the connecting key and the handle, the arc-shaped rod is perpendicular to the connecting key and the handle, and the connecting key and the handle are parallel in space; the connecting key is in clearance fit with the mounting groove; the handle corresponds to a positioning hole or a screw hole of the large-end flange of the crankshaft to be rotated.
Furthermore, one end of the sleeve is provided with the central connecting hole, and the other end of the sleeve is provided with a central weight removing hole; the central connecting hole is in clearance fit with an end shaft of the large end of the crankshaft to be rotated; the side wall of the weight-removing hole is provided with the mounting groove.
Furthermore, one end of the sleeve, which is provided with the weight removing hole, is also provided with a connecting structure of a rotating part.
Further, the connecting structure is a through hole penetrating through the radial direction of the sleeve and/or an outer hexagonal head arranged on the outer side of the weight removing hole or an inner hexagonal head arranged on the weight removing hole.
Furthermore, the arc-shaped rods and the connecting keys form a G-shaped structure.
Furthermore, the connecting key is in clearance fit with the key groove of the small end of the crankshaft to be rotated, and the height of the connecting key is smaller than the depth of the key groove of the small end of the crankshaft to be rotated and the depth of the mounting groove.
Furthermore, the arc-shaped rod comprises a first arc line and a second arc line, the diameter of the first arc line is larger than the shaft diameter of a key groove at the small end of the crankshaft to be rotated, and the ratio of the diameter of the second arc line to the diameter of the first arc line is 1.62-2: 1; the arc length of the first arc is 1/4 times its corresponding circumference.
Furthermore, one end of the arc-shaped rod where the handle is located in an area which is 160-200 degrees anticlockwise along one end of the arc-shaped rod for assembling and connecting the key.
Further, the handle with the arc pole welded fastening, the tip of handle is equipped with the chamfer.
A use method of a disc crankshaft tool comprises the following steps:
the connecting key of the rotating rod device is assembled in the mounting groove of the sleeve, then the connecting hole of the sleeve is connected into the end shaft of the large end of the crankshaft, the sleeve is rotated, the end part of the handle is aligned to the positioning hole of the flange of the large end of the crankshaft, the sleeve is pushed in, the handle is inserted into the positioning hole of the flange of the crankshaft, and the crankshaft can be rotated by rotating the sleeve by using a tool.
Compared with the prior art, the invention has the advantages that:
(1) when the left part of the sleeve is machined, the diameter of the left part of the sleeve is the same as or close to the shaft diameter of the key groove arranged at the small end of the crankshaft to be rotated, so that the left part of the sleeve is utilized to simulate the environment of the key groove arranged at the small end of the crankshaft, and the tool is favorable for selecting the left end or the right end of the rotating crankshaft according to the field condition;
(2) the end part of the sleeve is provided with an outer hexagon or a through hole along the radial direction of the outer hexagon, so that an operator can conveniently rotate the sleeve by using a wrench tool or a tilting rod.
(3) This device uses in a flexible way, can connect the big end or the tip of bent axle according to the on-the-spot condition and rotate the bent axle.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a cross-sectional view of one embodiment of the sleeve of the present invention.
Fig. 3 is a schematic view of one embodiment of the rotating rod device of the invention.
Fig. 4 is a schematic view of another embodiment of the turn bar apparatus of the present invention.
Fig. 5 is a front view of the handle in the embodiment of fig. 4.
Fig. 6 and 7 are diagrams illustrating the effects of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
Non-limiting and non-exclusive embodiments will be described with reference to the following figures, wherein like reference numerals refer to like parts, unless otherwise specified.
The disc crankshaft tooling tool shown in fig. 1-7 comprises a sleeve 1 and a rotating rod device, wherein one end of the rotating rod device is detachably connected with the sleeve 1. Specifically, the right part of sleeve 1 is equipped with central connecting hole 11, and mounting groove 12 has been seted up to the outside of sleeve 1, mounting groove 12 is followed sleeve 1's axial extension. The rotating rod device comprises a connecting key 21, an arc-shaped rod 22 and a handle 23, wherein the front end of the arc-shaped rod 22 is connected with the connecting key 21, and the rear end of the arc-shaped rod 22 is connected with the handle 23. The front end of the arc rod 22 is welded and fixed in the middle of the connecting key 21, the arc rod 22 is perpendicular to the central axis of the connecting key 21, and the arc rod 22 and the connecting key 21 form a structure similar to a G shape. The handle 23 is fixedly connected to the rear end of the arc rod 22, and the handle 23 is perpendicular to the arc rod 22 and is parallel to the connecting key 21 in space. Thus, the connecting key 21, the arc rod 22 and the handle 23 constitute a rotating rod device. When the sleeve 1 and the rotating rod device are assembled, the connecting key 21 of the rotating rod device is installed in the installation groove 12 of the sleeve 1, the connecting key 21 is in clearance fit with the installation groove 12, the arc-shaped rod 22 of the rotating rod device is wound on the outer side of the sleeve 1, and the end part of the handle of the rotating rod device points to the flange 6 at the large end of the crankshaft. An outer hexagonal or radial through hole 14 is provided at the end of the socket 1 to facilitate the operator to turn the socket 1 with a wrench or a cocked lever.
The technical concept of the technical scheme is as follows: the combination of the sleeve 1 and the rotating rod device is utilized to obtain the tool for rotating the big end or the small end of the crankshaft. The method is realized by the following steps: by selecting the size of the connecting key 21, the connecting key 21 is in clearance fit with the key groove on the small end of the crankshaft (the planes on the two sides are in clearance fit), so that an operator can connect the connecting key 21 of the rotating rod device with the key groove on the small end of the crankshaft and then stir the handle 23, thereby rotating the crankshaft; offer on sleeve 1 with connecting key 21 clearance fit's mounting groove 12, when needing to rotate the bent axle main aspects, operating personnel can assemble in mounting groove 12 with the connecting key 21 of bull stick device, make the handle 23 tip of bull stick device towards bent axle main aspects flange 6, then insert the bent axle along the tip axle of bent axle main aspects with sleeve 1, rotate sleeve 1, make handle 23 correspond with 5 positions of locating hole of bent axle main aspects flange 6, continue to move sleeve 1, make handle 23 insert in the locating hole 5 of bent axle main aspects flange 6, and like this, accomplish the connection of this frock and bent axle main aspects promptly, it can rotate the bent axle to rotate sleeve 1.
Referring to fig. 2, the sleeve 1 is a stepped column structure with a large right and a small left, a central connecting hole 11 is formed in the right part of the sleeve, and the diameter of the connecting hole 11 is in clearance fit with an end shaft of the large end of the crankshaft to be rotated. The left part of the sleeve 1 is provided with a central weight-removing hole 13, and the side wall of the weight-removing hole 13 is provided with an installation groove 12 along the axial direction. Meanwhile, the left side of the mounting groove 12 of the sleeve 1 is also provided with a connecting structure of the rotating part, and the connecting structure can be a through hole 14 penetrating through the radial direction of the sleeve, or an outer hexagonal head 16, or an inner hexagonal head of a weight removing hole, or the combination of the above 3 modes. When processing 1 left part of sleeve, make the diameter of 1 left part of sleeve the same or be close with the shaft diameter of treating that the rotation bent axle tip is equipped with the keyway, reach the environment that utilizes 1 left part of sleeve simulation bent axle tip to be equipped with the keyway, be favorable to utilizing this frock to select the left end or the right-hand member of rotating the bent axle according to the on-the-spot condition.
Referring again to fig. 3-5, the lever mechanism includes a connecting key 21, an arc-shaped lever 22, and a handle 23. The connecting key 21 is in clearance fit with a key groove arranged at the small end of the crankshaft to be rotated (namely, the plane at the two sides is in clearance fit). The height of the connecting key 21 is smaller than the depth of the key groove of the small end of the crankshaft to be rotated and the depth of the mounting groove 12. The arc-shaped rod 22 consists of a first arc line 221 and a second arc line 222 which are different in diameter, the diameter of the first arc line 221 is larger than the shaft diameter of a key groove arranged at the small end of the crankshaft to be rotated, the ratio of the diameter of the second arc line 222 to the diameter of the first arc line 221 is 1.62-2: 1, and the preferable ratio is 1.75-1.85: 1. The arc length of the first arc 221 is 1/4 corresponding to the circumference, and after the connecting key 21 is assembled to the sleeve 1 in place, the end of the arc rod 22 where the handle 23 is located is preferably located in the region 160-200 degrees counterclockwise along the end of the arc rod 22 where the connecting key 21 is assembled, and at the same time, the handle 23 can be directly opposite to the positioning hole 5 or the screw hole 7 pointing to the crankshaft big end flange 6 to be rotated. The handle 23 is fixed on the end of the arc rod 22 by welding. Referring to fig. 4-5, in addition, the arc rod 22 can also be fixed at the end of the arc rod 22 by adopting a detachable connection mode, the handle 23 is set to be a stepped column structure with two small ends and a large middle, one end of the handle is connected at the end of the arc 22 by adopting a shaft hole connection mode and is fixed by utilizing a nut 24, and the diameter of the other end is matched with the positioning hole 5 of the large-end flange 6 of the crankshaft to be rotated. The end of the handle 23 is provided with a chamfer to facilitate the rapid insertion of the handle 23 into the positioning hole 5 of the crankshaft flange 6.
A use method of a disc crankshaft tool comprises the following steps:
the connecting key 21 of the rotating rod device is assembled in the mounting groove 12 of the sleeve 1, then the connecting hole 11 of the sleeve 1 is connected with the end shaft of the large end of the crankshaft, the sleeve 1 is rotated to enable the end part of the handle 23 to be aligned with the positioning hole 5 of the flange 6 of the large end of the crankshaft, the sleeve 1 is pushed, the handle 23 is inserted into the positioning hole 5 of the flange 6 of the crankshaft, and then the sleeve 1 is rotated by a tool, so that the crankshaft can be rotated.
In addition, the rotating rod device can be used independently and matched with a key groove at the small end of the crankshaft to rotate the crankshaft. Specifically, the crank shaft can be rotated by fitting the connecting key 21 into the key groove of the crank shaft and rotating the handle 23 by hand.
Those skilled in the art will recognize that numerous variations are possible in light of the above description, and therefore the examples and drawings are merely intended to describe one or more specific embodiments.
While there has been described and illustrated what are considered to be example embodiments of the present invention, it will be understood by those skilled in the art that various changes and substitutions may be made therein without departing from the spirit of the invention. In addition, many modifications may be made to adapt a particular situation to the teachings of the present invention without departing from the central concept described herein. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments and equivalents falling within the scope of the invention.
Claims (10)
1. The utility model provides a disc crankshaft frock tool which characterized in that: the device comprises a sleeve and a rotating rod device, wherein one end of the rotating rod device is detachably connected with the sleeve; the right part of the sleeve is provided with a central connecting hole, the outer side of the sleeve is provided with a mounting groove, and the mounting groove extends along the axial direction of the sleeve; the rotating rod device comprises a connecting key, an arc-shaped rod and a handle, wherein the connecting end of the arc-shaped rod is respectively connected with the connecting key and the handle, the arc-shaped rod is perpendicular to the connecting key and the handle, and the connecting key and the handle are parallel in space; the connecting key is in clearance fit with the mounting groove; the handle corresponds to a positioning hole or a screw hole of the large-end flange of the crankshaft to be rotated.
2. The disc crankshaft tooling tool of claim 1, wherein: one end of the sleeve is provided with the central connecting hole, and the other end of the sleeve is provided with a central weight removing hole; the central connecting hole is in clearance fit with an end shaft of the large end of the crankshaft to be rotated; the side wall of the weight-removing hole is provided with the mounting groove.
3. The disc crankshaft tooling tool of claim 2, wherein: one end of the sleeve, which is provided with the weight removing hole, is also provided with a connecting structure of a rotating part.
4. The disc crankshaft tooling tool of claim 3, wherein: the connecting structure is a through hole penetrating through the radial direction of the sleeve and/or an outer hexagonal head arranged on the outer side of the weight-removing hole or an inner hexagonal head arranged on the weight-removing hole.
5. The disc crankshaft tooling tool of claim 1, wherein: the arc-shaped rods and the connecting keys form a G-shaped structure.
6. The disc crankshaft tooling tool of claim 1, wherein: the connecting key is in clearance fit with the key groove of the small end of the crankshaft to be rotated, and the height of the connecting key is smaller than the depth of the key groove of the small end of the crankshaft to be rotated and the depth of the mounting groove.
7. The disc crankshaft tooling tool of claim 1, wherein: the arc-shaped rod comprises a first arc and a second arc, the diameter of the first arc is larger than the shaft diameter of a key groove at the small end of the crankshaft to be rotated, and the ratio of the diameter of the second arc to the diameter of the first arc is 1.62-2: 1; the arc length of the first arc is 1/4 times its corresponding circumference.
8. The disc crankshaft tooling tool of claim 1, wherein: one end of the arc-shaped rod where the handle is located in an area which is 160-200 degrees anticlockwise from one end of the arc-shaped rod assembling and connecting key.
9. The disc crankshaft tooling tool of claim 1, wherein: the handle with the arc pole welded fastening, the tip of handle is equipped with the chamfer.
10. A use method of a disc crankshaft tool comprises the following steps:
the connecting key of the rotating rod device is assembled in the mounting groove of the sleeve, then the connecting hole of the sleeve is connected into the end shaft of the large end of the crankshaft, the sleeve is rotated, the end part of the handle is aligned to the positioning hole of the flange of the large end of the crankshaft, the sleeve is pushed in, the handle is inserted into the positioning hole of the flange of the crankshaft, and the crankshaft can be rotated by rotating the sleeve by using a tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010345834.1A CN111409042B (en) | 2020-04-27 | 2020-04-27 | Disc crankshaft tooling tool and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010345834.1A CN111409042B (en) | 2020-04-27 | 2020-04-27 | Disc crankshaft tooling tool and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111409042A true CN111409042A (en) | 2020-07-14 |
| CN111409042B CN111409042B (en) | 2024-02-02 |
Family
ID=71487019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010345834.1A Active CN111409042B (en) | 2020-04-27 | 2020-04-27 | Disc crankshaft tooling tool and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111409042B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029152A (en) * | 2014-06-30 | 2014-09-10 | 重庆长安汽车股份有限公司 | Crankshaft timing tool and crankshaft timing locating method |
| DE102017001324A1 (en) * | 2017-02-11 | 2017-08-17 | Daimler Ag | Assembly tool for mounting a crankcase cover to a crankshaft of an internal combustion engine |
| CN107953292A (en) * | 2017-12-27 | 2018-04-24 | 宁波美佳宁生物科技有限公司 | A kind of automobile engine crankshaft timing frock and crankshaft timing localization method |
| CN208592767U (en) * | 2018-07-16 | 2019-03-12 | 中国石油天然气股份有限公司 | Fastening tool |
| CN212287491U (en) * | 2020-04-27 | 2021-01-05 | 广西玉柴机器股份有限公司 | Disc crankshaft tool |
-
2020
- 2020-04-27 CN CN202010345834.1A patent/CN111409042B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029152A (en) * | 2014-06-30 | 2014-09-10 | 重庆长安汽车股份有限公司 | Crankshaft timing tool and crankshaft timing locating method |
| DE102017001324A1 (en) * | 2017-02-11 | 2017-08-17 | Daimler Ag | Assembly tool for mounting a crankcase cover to a crankshaft of an internal combustion engine |
| CN107953292A (en) * | 2017-12-27 | 2018-04-24 | 宁波美佳宁生物科技有限公司 | A kind of automobile engine crankshaft timing frock and crankshaft timing localization method |
| CN208592767U (en) * | 2018-07-16 | 2019-03-12 | 中国石油天然气股份有限公司 | Fastening tool |
| CN212287491U (en) * | 2020-04-27 | 2021-01-05 | 广西玉柴机器股份有限公司 | Disc crankshaft tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111409042B (en) | 2024-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4901577B2 (en) | Rubber bushing characteristic test equipment jig | |
| CN212287491U (en) | Disc crankshaft tool | |
| EP3816031A1 (en) | Retrofitting electric device for bicycle, and bicycle | |
| CN111409042A (en) | Disc crankshaft tool and using method | |
| US7261017B2 (en) | Stabilizer link removal tool for vehicles | |
| CN201871928U (en) | Mounting and positioning tool for clutch plate of automobile mold sheet spring clutch | |
| CN212665975U (en) | Camshaft bolt tightening tool | |
| CN111805465B (en) | Convenient multipurpose screwdriver assembly and use method | |
| CN206241916U (en) | A kind of combination wrench | |
| CN207807560U (en) | A kind of simple tool for fast tightening bolt | |
| WO2011042022A1 (en) | Tool for mounting stud bolts | |
| CN103358259A (en) | Sword-shaped large-torque manual torque wrench | |
| CN209272623U (en) | Bolt cutting implement | |
| JP3170297U (en) | Knock pin removal tool | |
| CN213889784U (en) | Simple round nut auxiliary tightening device suitable for narrow and deep space | |
| CN101441121B (en) | Engine net torque detection fixture | |
| CN210389052U (en) | Disassembly and assembly tool for camshaft bush | |
| CN212044512U (en) | Bolt assembly and disassembly tool in limited space | |
| CN101249645A (en) | Screw rotating tool | |
| CN206170000U (en) | Return spring assembly fixture | |
| CN213731534U (en) | Bush extracting tool | |
| CN217669188U (en) | Crankshaft device of manual continuous disk transfer motor | |
| CN212601634U (en) | Handling tool for threaded fastener | |
| CN220740952U (en) | Quick dismounting and mounting tool for butt bolts | |
| CN215548246U (en) | Auxiliary tool for assembling automobile screw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |