CN103862264B - A kind of auxiliary installation device of crank pulley and installation method thereof - Google Patents
A kind of auxiliary installation device of crank pulley and installation method thereof Download PDFInfo
- Publication number
- CN103862264B CN103862264B CN201410076571.3A CN201410076571A CN103862264B CN 103862264 B CN103862264 B CN 103862264B CN 201410076571 A CN201410076571 A CN 201410076571A CN 103862264 B CN103862264 B CN 103862264B
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- belt pulley
- keyway
- bent axle
- main body
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
Abstract
The invention discloses a kind of auxiliary installation device and method of belt pulley of bent axle, belt pulley is established central through hole and the first keyway, the small end of bent axle is provided with the second keyway with the first keyway adaptation, and auxiliary installation device comprises: main body, which is provided with installation through hole; Slide block, it is slidably mounted in the installation through hole of main body, and sandwiched spring between slide block and main body; Slide block is provided with the positioning end with the first keyway adaptation, and is provided with stop surface in the end face a distance apart from positioning end; In the assembled condition, the main body of auxiliary installation device is arranged on the central through hole of belt pulley, the positioning end of slide block is contained in the first keyway and the second keyway, the end face of the small end of bent axle abuts with stop surface, and abut with the end face of belt pulley, be installed on bent axle along the direction of positioning end at the elastic force bottom pulley of spring.Moved with the relative rectilinear realizing belt pulley and bent axle that coordinates of the first keyway and the second keyway with belt pulley and positioning end by the axis of guide, not easily misplace during assembling.
Description
Technical field
The present invention relates to engine art, particularly a kind of auxiliary installation device of crank pulley and installation method thereof.
Background technology
Engine crankshaft can be connected by key with belt pulley or interference fit connects.When adopting key to connect, as shown in Figure 1, belt pulley 5 is provided with semicircular first keyway 52, and the center of belt pulley 5 is provided with central through hole 53, its side is provided with the first outstanding flange 51. as shown in Figure 2, is provided with the second keyway 61 with the first keyway 52 adaptation at the small end of bent axle 6.In prior art, after small end belt pulley 5 being pressed into bent axle 6, the woodruff key of adaptation is knocked in the first keyway 52 and the second keyway 61, make the two be fastenedly connected.But in the process of small end belt pulley 5 being pressed into bent axle 6, operating personnel cannot ensure that the first keyway 52 and the second keyway 61 align completely, therefore easily make bent axle crack when woodruff key being knocked in keyway.
Summary of the invention
The present invention is to overcome defect in above-mentioned prior art, in the process of small end belt pulley being pressed into bent axle, by the positioning end identical with the profile that semicircle is good on auxiliary installation device, the first keyway and the second keyway are aligned, guarantee that semicircle key can enter the first keyway and the second keyway simultaneously, avoid damaging bent axle.
For achieving the above object, the invention provides a kind of auxiliary installation device of belt pulley of bent axle, belt pulley is provided with central through hole and the first keyway, and the small end of bent axle is provided with the second keyway with the first keyway adaptation, auxiliary installation device comprises: main body, which is provided with installation through hole; Slide block, it is slidably mounted in the installation through hole of main body, and sandwiched spring between slide block and main body; Slide block is provided with the positioning end with the first keyway adaptation, and is provided with stop surface in the end face a distance apart from positioning end; Under the duty of described auxiliary installation device, the main body of auxiliary installation device is arranged on the central through hole of belt pulley, the positioning end of slide block is contained in the first keyway and the second keyway, the end face of the small end of bent axle abuts with stop surface, and abut with the end face of belt pulley, be installed on bent axle along the direction of positioning end at the elastic force bottom pulley of spring.
In technique scheme, slide block comprises: keeper, and its one end is provided with positioning end, and the other end of keeper is provided with boss; The axis of guide, its lateral surface is provided with the groove with boss adaptation, and the boss of keeper is contained in the groove of the axis of guide, and keeper and the axis of guide are fixed together.
In technique scheme, one end of main body is provided with central blind hole, and the external diameter of the axis of guide and the diameter adaptation of central blind hole, install through hole and be arranged on the hole wall of central blind hole, and it is mutually vertical with the axis of central blind hole to install through hole, the boss of keeper is arranged on to be installed in through hole; The center of the axis of guide is provided with stepped hole, and spring clip is located between the bottom surface of central blind hole and the step surface of stepped hole.
In technique scheme, the other end of main body is provided with handle.
In technique scheme, an end face of belt pulley is provided with the first flange, and main body is provided with the second flange, and when positioning end is contained in the first keyway, the end face of the first flange abuts with the end face of the second flange.
The present invention also provides a kind of installation method of belt pulley of bent axle, belt pulley is provided with central through hole and the first keyway, the small end of bent axle is provided with the second keyway with the first keyway adaptation, installation method comprises: provide auxiliary installation device, auxiliary installation device comprises main body and slide block, main body is provided with installation through hole, and skid is arranged in the installation through hole of main body, and sandwiched spring between slide block and main body; Slide block is provided with the positioning end with the first keyway adaptation, and is provided with stop surface in the end face a distance apart from positioning end; Be arranged on the central through hole of belt pulley by the main body of auxiliary installation device, positioning end is contained in the first keyway; Make positioning end be contained in the second keyway of the small end of bent axle, the end face on the small end of bent axle abuts with stop surface and abuts with the end face of belt pulley; Knock the end of main body, under the action of the spring, belt pulley moves towards bent axle, and a part for belt pulley is arranged on bent axle; Auxiliary installation device is taken out from belt pulley; Belt pulley is pressed on the small end of bent axle completely.
In technique scheme, slide block comprises keeper and the axis of guide, and one end of keeper is provided with positioning end, and the other end is provided with boss; The lateral surface of the axis of guide is provided with the groove with boss adaptation, during assembling auxiliary installation device, is arranged on by boss and installs after in through hole, the boss of keeper is contained in the groove of the axis of guide, and keeper and the axis of guide is fixed together.
In technique scheme, main body is provided with handle, for the grip body when installing or removing auxiliary installation device.
In technique scheme, an end face of belt pulley is provided with the first flange, and main body is provided with the second flange, and in assembling process, when positioning end is contained in the first keyway, the end face of the first flange abuts with the end face of the second flange.
Compared with prior art, the present invention has following beneficial effect:
By coordinating of the centre bore of the axis of guide and belt pulley, and the positioning end of similar semicircle key moves with the relative rectilinear realizing belt pulley and bent axle that coordinates of the first keyway and the second keyway, makes whole assembling process stability high, not easily misplaces; The slide block utilizing spring to promote keeper and axis of guide formation leads, and ensures that, in whole assembling process, do not lose efficacy in the location of auxiliary installation device and belt pulley and bent axle, reliability is high.
Accompanying drawing explanation
Fig. 1 is the structure chart of the belt pulley of prior art;
Fig. 2 is the structure chart of the small end of the bent axle of prior art;
Fig. 3 is the installation diagram of auxiliary installation device of the present invention;
Fig. 4 is the structure chart of keeper of the present invention;
Fig. 5 is the top view of this Fig. 4;
Fig. 6 is the structure chart of the axis of guide of the present invention;
Fig. 7 is the sectional view of Fig. 6;
Fig. 8 is the structure chart of main body of the present invention;
Fig. 9 is the top view of Fig. 8;
Figure 10 is the installation diagram of auxiliary installation device and belt pulley;
Figure 11 is the installation diagram of the first installation site of belt pulley and bent axle;
Figure 12 is the installation diagram of the second installation site of belt pulley and bent axle.
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-keeper, 11-positioning end, 12-boss, 13-locating hole, 14-stop surface, the 2-axis of guide, 21-groove, 22-stepped hole, 3-main body, 31-installs through hole, 32-central blind hole, 33-handle, 34-second flange, 4-spring, 5-belt pulley, 51-first flange, 52-first keyway, 53-central through hole, 6-bent axle, 61-second keyway.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
As shown in Figure 3, auxiliary installation device of the present invention comprises keeper 1, the axis of guide 2, main body 3 and spring 4.
As shown in Figure 4,5, one end of keeper 1 is provided with the retaining tips 11 identical with semicircle key profile, and the width of positioning end is A, and positioning end 11 is provided with step apart from the position of its end face certain distance, forms stop surface 14.Be provided with boss 12 at the other end of keeper 1, boss 12 is provided with two locating holes 13.As shown in Figure 6,7, the axis of guide 2 is in cylindric, and the top of the axis of guide 2 is provided with groove 21, and the inside of the axis of guide 2 is provided with stepped hole 22.As shown in Figure 8,9, one end of main body 3 is provided with columned handle 33, the center of the other end of main body 3 is provided with central blind hole 32, the diameter of central blind hole 32 and the external diameter adaptation of the axis of guide 2, the hole wall of central blind hole 32 is provided with axes normal in the installation through hole 31 of central blind hole 32, the other end of main body 3 is provided with apart from its end face a distance the width B of the second flange 34, second flange 31 and the width A adaptation of positioning end 11.
As shown in Figure 3, during assembling auxiliary installation device, the boss 12 of keeper 1 is placed in the installation through hole 31 of main body 3, keeper 1 is installed in main body 3.Then be connected to by spring 4 on the step surface of stepped hole of the axis of guide 2, make the groove 21 of the axis of guide 2 penetrate in the centre bore 32 of main body 3 along the boss of keeper 1, the other end of spring 4 is connected to the bottom of centre bore 32.Finally, by bolt, keeper 1 and the axis of guide 2 are fixed together.Slide block is formed, relative movement in the installation through hole 31 of main body 3 under the effect of spring 4 after the groove 21 of the axis of guide 2 is fixing with the boss 12 of keeper 1.
The step be installed to by belt pulley on bent axle is as follows:
The first, as shown in Figure 10, auxiliary installation device is installed over pulleys carried.The positioning end 11 of auxiliary installation device is penetrated along the first keyway 52 of belt pulley 5, until the second flange of main body 3 abuts with the first flange 51 of belt pulley 5, now, positioning end 11 protrudes from the end face of belt pulley.
Second, as shown in figure 11, the small end of belt pulley 5 near bent axle 6 of auxiliary installation device will be installed, and make the end of positioning end 11 penetrate in the second keyway 61 of bent axle 6, and the small end end face of bent axle 6 abuts with the stop surface 14 of keeper 1, and abut with the end face of belt pulley 5.
3rd, knock the end of the handle 33 of auxiliary installation device gently, under the effect of spring 4, belt pulley 5 moves towards bent axle 6, and a part for belt pulley 5 is arranged on bent axle 6, as shown in figure 12.
4th, auxiliary installation device is taken out from belt pulley 5.
5th, belt pulley 5 is pressed on completely on the small end of bent axle 6.
The present invention is coordinated by the centre bore of the axis of guide and belt pulley, and the positioning end of similar semicircle key moves with the relative rectilinear realizing belt pulley and bent axle that coordinates of the first keyway and the second keyway, makes whole assembling process stability high, not easily misplaces.The slide block that the present invention utilizes spring to promote keeper 1 and the axis of guide 2 formation leads, and ensures that, in whole assembling process, do not lose efficacy in the location of auxiliary installation device and belt pulley and bent axle, reliability is high.
Be only a specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (8)
1. an auxiliary installation device for the belt pulley of bent axle, described belt pulley is provided with central through hole and the first keyway, and the small end of described bent axle is provided with the second keyway with described first keyway adaptation, and it is characterized in that, described auxiliary installation device comprises:
Main body, which is provided with installation through hole; And
Slide block, it is slidably mounted in the described installation through hole of described main body, and sandwiched spring between described slide block and described main body; Described slide block is provided with the positioning end with described first keyway adaptation, and is provided with stop surface in the end face a distance apart from described positioning end;
Wherein, described slide block comprises:
Keeper, its one end is provided with described positioning end, and the other end of described keeper is provided with boss; And
The axis of guide, its lateral surface is provided with the groove with described boss adaptation, and the described boss of described keeper is contained in the described groove of the described axis of guide, and described keeper and the described axis of guide are fixed together;
Under the duty of described auxiliary installation device, the described main body of described auxiliary installation device is arranged on the central through hole of described belt pulley, the described positioning end of described slide block is contained in described first keyway and described second keyway, the end face of the small end of described bent axle abuts with described stop surface, and abut with the end face of described belt pulley, under the elastic force of described spring, described belt pulley is installed on described bent axle along the direction of described positioning end.
2. the auxiliary installation device of the belt pulley of bent axle according to claim 1, it is characterized in that, one end of described main body is provided with central blind hole, the external diameter of the described axis of guide and the diameter adaptation of described central blind hole, described installation through hole is arranged on the hole wall of described central blind hole, and described installation through hole is mutually vertical with the axis of described central blind hole, the boss of described keeper is arranged in described installation through hole; The center of the described axis of guide is provided with stepped hole, and described spring clip is located between the bottom surface of described central blind hole and the step surface of described stepped hole.
3. the auxiliary installation device of the belt pulley of bent axle according to claim 2, is characterized in that, the other end of described main body is provided with handle.
4. the auxiliary installation device of the belt pulley of bent axle according to claim 3, it is characterized in that, an end face of described belt pulley is provided with the first flange, described main body is provided with the second flange, when described positioning end is contained in described first keyway, the end face of described first flange abuts with the end face of described second flange.
5. an installation method for the belt pulley of bent axle, described belt pulley is provided with central through hole and the first keyway, and the small end of described bent axle is provided with the second keyway with described first keyway adaptation, and it is characterized in that, described installation method comprises:
There is provided auxiliary installation device, described auxiliary installation device comprises main body and slide block, and described main body is provided with installation through hole, and described skid is arranged in the described installation through hole of described main body, and sandwiched spring between described slide block and described main body; Described slide block is provided with the positioning end with described first keyway adaptation, and is provided with stop surface in the end face a distance apart from described positioning end;
Wherein, described slide block comprises:
Keeper, its one end is provided with described positioning end, and the other end of described keeper is provided with boss; And
The axis of guide, its lateral surface is provided with the groove with described boss adaptation, and the described boss of described keeper is contained in the described groove of the described axis of guide, and described keeper and the described axis of guide are fixed together;
Be arranged on the central through hole of described belt pulley by the described main body of described auxiliary installation device, described positioning end is contained in described first keyway;
Make described positioning end be contained in the second keyway of the small end of described bent axle, the end face on the small end of described bent axle abuts with described stop surface and abuts with the end face of described belt pulley;
Knock the end of described main body, under the effect of described spring, described belt pulley moves towards described bent axle, and a part for described belt pulley is arranged on described bent axle;
Described auxiliary installation device is taken out from described belt pulley;
Described belt pulley is pressed on completely on the small end of described bent axle.
6. the installation method of the belt pulley of bent axle according to claim 5, is characterized in that, described slide block comprises keeper and the axis of guide, and one end of described keeper is provided with described positioning end, and the other end is provided with boss; The lateral surface of the described axis of guide is provided with the groove with described boss adaptation, when assembling described auxiliary installation device, described boss is arranged on after in described installation through hole, the described boss of described keeper is contained in the described groove of the described axis of guide, and described keeper and the described axis of guide are fixed together.
7. the installation method of the belt pulley of the bent axle according to claim 5 or 6, is characterized in that, described main body is provided with handle, grasps described main body for when installing or removing described auxiliary installation device.
8. the installation method of the belt pulley of bent axle according to claim 7, it is characterized in that, an end face of described belt pulley is provided with the first flange, described main body is provided with the second flange, in assembling process, when described positioning end is contained in described first keyway, the end face of described first flange abuts with the end face of described second flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410076571.3A CN103862264B (en) | 2014-03-04 | 2014-03-04 | A kind of auxiliary installation device of crank pulley and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410076571.3A CN103862264B (en) | 2014-03-04 | 2014-03-04 | A kind of auxiliary installation device of crank pulley and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103862264A CN103862264A (en) | 2014-06-18 |
| CN103862264B true CN103862264B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410076571.3A Active CN103862264B (en) | 2014-03-04 | 2014-03-04 | A kind of auxiliary installation device of crank pulley and installation method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932412B (en) * | 2017-11-29 | 2019-06-11 | 陕西航空电气有限责任公司 | A kind of alternator fan pressing method |
| CN108098681A (en) * | 2018-01-31 | 2018-06-01 | 广西玉柴机器股份有限公司 | A kind of auxiliary device and method of the assembling of engine snubber belt pulley |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11207539A (en) * | 1998-01-29 | 1999-08-03 | Ricoh Co Ltd | Shaft seal assembling device |
| CN101456113A (en) * | 2007-12-10 | 2009-06-17 | 广西玉柴机器股份有限公司 | Crank pulley assembly method and guiding tool |
| CN101856785A (en) * | 2009-04-07 | 2010-10-13 | 广西玉柴机器股份有限公司 | Assembly component and assembly method for crankshaft timing gear |
| CN201720670U (en) * | 2010-07-16 | 2011-01-26 | 上海新朋实业股份有限公司 | Pressing and installing mechanism of gear and gear shaft |
| CN203696384U (en) * | 2014-03-04 | 2014-07-09 | 广西玉柴机器股份有限公司 | Installation assisting device of belt pulley of crankshaft |
-
2014
- 2014-03-04 CN CN201410076571.3A patent/CN103862264B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11207539A (en) * | 1998-01-29 | 1999-08-03 | Ricoh Co Ltd | Shaft seal assembling device |
| CN101456113A (en) * | 2007-12-10 | 2009-06-17 | 广西玉柴机器股份有限公司 | Crank pulley assembly method and guiding tool |
| CN101856785A (en) * | 2009-04-07 | 2010-10-13 | 广西玉柴机器股份有限公司 | Assembly component and assembly method for crankshaft timing gear |
| CN201720670U (en) * | 2010-07-16 | 2011-01-26 | 上海新朋实业股份有限公司 | Pressing and installing mechanism of gear and gear shaft |
| CN203696384U (en) * | 2014-03-04 | 2014-07-09 | 广西玉柴机器股份有限公司 | Installation assisting device of belt pulley of crankshaft |
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| Publication number | Publication date |
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| CN103862264A (en) | 2014-06-18 |
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