CN208068085U - Crank assemblby fixing device - Google Patents
Crank assemblby fixing device Download PDFInfo
- Publication number
- CN208068085U CN208068085U CN201820285659.XU CN201820285659U CN208068085U CN 208068085 U CN208068085 U CN 208068085U CN 201820285659 U CN201820285659 U CN 201820285659U CN 208068085 U CN208068085 U CN 208068085U
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- section
- column
- fixing device
- crank assemblby
- toothholder
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Abstract
A kind of crank assemblby fixing device, including the fixed column being connected on engine cylinder body and the toothholder being connected in fixed column, the side of toothholder are equipped with the double wedge engaged with driving wheel.The crank assemblby fixture structure of the utility model is simple, can be with flexible modulation, easy to operate simple, the fixation suitable for different engine crankshaft assemblies.
Description
Technical field
The utility model is related to technical field of engines, more particularly to a kind of crank assemblby fixing device.
Background technology
The both ends of engine crankshaft are bolted to connection flywheel and belt pulley respectively.Connection flywheel is required in design
Bolt preload torsion in 80NM or so, it is desirable that connect the preload torsion of the bolt of belt pulley 200~400NM it
Between.So big preload torsion is being needed, the bolt of flywheel and belt pulley is pre-tightened by design just at being not easy to solve
The technical issues of.It is raw to meet safety therefore, it is necessary to design a kind of easy to operate, crank assemblby fixing device for being fixed conveniently
Production demand.
Utility model content
It is simple in structure the purpose of the utility model is to provide a kind of crank assemblby fixing device, it can flexibly adjust
Section, it is easy to operate simple, it is suitable for the fixation of different engine crankshaft assemblies.
The utility model solves its technical problem using technical solution below to realize.
A kind of crank assemblby fixing device, including the fixed column that is connected on engine cylinder body and be connected in fixed column
Toothholder, the side of toothholder are equipped with the double wedge engaged with driving wheel.
In the preferred embodiment of the utility model, above-mentioned fixed column be equipped with screw thread and connect with screw-thread fit the
One nut and the second nut, the toothholder are equipped with adjustment hole, and one end of the fixed column is arranged across the adjustment hole, described
Toothholder is fixed between first nut and second nut.
In the preferred embodiment of the utility model, above-mentioned adjustment hole is waist-shaped hole, and the length direction of the adjustment hole hangs down
Directly in the axis direction of driving wheel, the toothholder is adjustably coupled to the fixation along the length direction of the adjustment hole
Column.
In the preferred embodiment of the utility model, above-mentioned toothholder includes top surface, bottom surface, arcwall face and end face, the top
Face is oppositely arranged with the bottom surface, and the arcwall face and the end face are connected between the top surface and the bottom surface, the end
The both ends in face are connected to the arcwall face, and the double wedge setting is on the end surface.
In the preferred embodiment of the utility model, above-mentioned fixed column includes adjustable column and positioning column, the adjustable column with
The end of the positioning column coaxial arrangement, the adjustable column is equipped with screw hole, and the end of the positioning column is equipped with screw rod, the positioning
The screw rod of column is connected in the screw hole of the adjustable column.
In the preferred embodiment of the utility model, above-mentioned adjustable column includes handling section, adjusts section and limited block, the hand
It holds section to be coaxially disposed with the adjusting section, the limited block is connected between the handling section and the adjusting section, the screw hole
It is set to the end for adjusting section.
In the preferred embodiment of the utility model, above-mentioned limited block is circumferentially disposed along the adjustable column, the limit
The outer diameter of position block is more than the handling section or the outer diameter for adjusting section.It is above-mentioned fixed in the preferred embodiment of the utility model
Position column includes guide section and positioning section, and the guide section is coaxially disposed with the positioning section, and the outer diameter of the guide section is less than institute
The outer diameter of positioning section is stated, the junction of the guide section and the positioning section is equipped with transition cambered surface, and the screw rod is set to positioning
The end of section.
The crank assemblby fixing device of the utility model includes the fixed column being connected on engine cylinder body and is connected to solid
Toothholder on fixed column, the side of toothholder are equipped with the double wedge engaged with driving wheel.The crank assemblby fixing device of the utility model is used
It is produced in assembling process or maintenance process in fuel engines, it, will be bent when to fasten or dismantle belt pulley bolt and bolt of flywheel
Axle assembly is fixed on engine cylinder body.The toothholder of the crank assemblby fixing device of the utility model and driving wheel (belt pulley or
Flywheel) engagement, the torque of hundreds of Ns of rice when bolt (belt pulley bolt or bolt of flywheel) fastening can be born, it can perfect bent axle
Assembly., can be easy to operate simple with flexible modulation moreover, the crank assemblby fixture structure of the utility model is simple, it is applicable in
In the fixation of different engine crankshaft assemblies.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be clearer and more comprehensible with advantage, it is special below to lift preferred embodiment, and coordinate attached drawing, it is described in detail.
Description of the drawings
Fig. 1 is the structural schematic diagram of the crank assemblby fixing device of the utility model first embodiment.
Fig. 2 is the fractionation structural representation of the crank assemblby fixing device of the utility model first embodiment.
Fig. 3 is the overlooking structure diagram of the crank assemblby fixing device of Fig. 1.
Fig. 4 is that the crank assemblby fixing device of the utility model fixes the structural schematic diagram of flywheel.
Fig. 5 is the structural schematic diagram of the crank assemblby fixing device of the utility model second embodiment.
Specific implementation mode
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model is taken,
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes crank assemblby fixing device specific embodiment party
Formula, structure, feature and its effect, detailed description are as follows:
Aforementioned and other technology contents, feature and effect in relation to the utility model, following cooperation with reference to schema compared with
It can be clearly appeared from the detailed description of good embodiment.By the explanation of specific implementation mode, when can be to the utility model up to
The technological means and effect taken at predetermined purpose are able to more go deep into and specifically understand, however institute's accompanying drawings are only to provide
Reference and description is used, and is not used for limiting the utility model.
Fig. 1 is the structural schematic diagram of the crank assemblby fixing device of the utility model first embodiment.Fig. 2 is that this practicality is new
The fractionation structural representation of the crank assemblby fixing device of type first embodiment.Fig. 3 is bowing for the crank assemblby fixing device of Fig. 1
Depending on structural schematic diagram.As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, crank assemblby fixing device 10 includes 12 He of fixed column
Toothholder 17.
The first nut 15 and the second nut 16 that fixed column 12 is equipped with screw thread and is connect with screw-thread fit, the first nut
15 and second nut 16 along the length direction of fixed column 12 be adjustably coupled to fixed column 12.Fixed column 12 includes adjustable column
13 and positioning column 14, adjustable column 13 is coaxially disposed with positioning column 14, and the end of adjustable column 13 is equipped with screw hole, the end of positioning column 14
Equipped with screw rod 144, the screw rod 144 of positioning column 14 is connected in the screw hole of adjustable column 13.
Further, adjustable column 13 includes handling section 132, adjusts section 133 and limited block 134.Handling section 132 and adjusting section
133 coaxial arrangements, between limited block 134 is connected to handling section 132 and adjusts section 133, screw hole is set to the end for adjusting section 133
Portion.In the present embodiment, limited block 134 is more than handling section 132 along the circumferentially disposed of adjustable column 13, the outer diameter of limited block 134
Or adjust the outer diameter of section 133, therefore the extreme position that is moved in fixed column 12 of the first nut 15 or the second nut 16 be against
On limited block 134.
Positioning column 14 includes positioning section 142 and guide section 143.Guide section 143 is coaxially disposed with positioning section 142, guide section
143 outer diameter is less than the outer diameter of positioning section 142, and guide section 143 and the junction of positioning section 142 are equipped with transition cambered surface 101, facilitate
Positioning column 14 be inserted into engine cylinder body hole in, while avoid positioning column 14 to the hole of engine cylinder body cause scratch situations such as.
Screw rod 144 is set to the end of positioning section 142.In the present embodiment, according to the internal diameter in hole difference, more outer diameter differences can be designed
Positioning column 14, so that positioning column 14 is matched with hole, facilitate installation crank assemblby.
It is noted that screw hole may also be arranged on positioning column 14, screw rod may also be arranged on adjustable column 13, according to need
It wants voluntarily to select.
Toothholder 17 is adjustably connected in fixed column 12, and the side of toothholder 17 is equipped with the double wedge 172 engaged with driving wheel.
Toothholder 17 is equipped with adjustment hole 17a, and adjustment hole 17a is waist-shaped hole, the axis of the length direction of adjustment hole 17a perpendicular to driving wheel
Direction, toothholder 17 are adjustably coupled to fixed column 12 along the length direction of adjustment hole 17a.Toothholder 17 includes top surface 102, bottom
Face 103, arcwall face 104 and end face 105.Top surface 102 is oppositely arranged with bottom surface 103, and arcwall face 104 and end face 105 are connected to top
Between face 102 and bottom surface 103, the both ends of end face 105 are connected to arcwall face 104, and double wedge 172 is arranged on end face 105.In this reality
It applies in example, the driving wheel on bent axle is flywheel or belt pulley etc..
Fig. 4 is that the crank assemblby fixing device of the utility model fixes the structural schematic diagram of flywheel.Fig. 1 to Fig. 4 is please referred to,
Include using the step of fixation flywheel of crank assemblby fixing device 10：
Step S1 selects a suitable hole on engine cylinder body, matching positioning is selected according to the diameter in hole
Positioning column 14 is connect to form fixed column 12 by column 14 with adjustable column 13.
One end of fixed column 12 is inserted into the hole of engine cylinder body by step S2, adjusts the mounting height and tune of toothholder 17
The depth of knothole 17a makes double wedge 172 be engaged with driving wheel 20 (flywheel), while the first nut 15 of adjusting and the second nut 16 are solid
Fixed tooth seat 17.
Flywheel can be fixed on engine cylinder body by the crank assemblby fixing device 10 of the utility model, can carry out bent axle spiral shell
Bolt, the fastening of bolt of flywheel, dismantlement work.Moreover, during fastening, demounting bolt, the torque of hundreds of Ns of rice can be born.
Fig. 5 is the structural schematic diagram of the crank assemblby fixing device of the utility model second embodiment.As shown in figure 5, this
The crank assemblby fixing device 10 ' of embodiment is roughly the same with the structure of crank assemblby fixing device 10 of first embodiment, no
It is that the structure of fixed column 12 ' is different with point.
Specifically, fixed column 12 ' is formed by a steel integral production.It is in the present embodiment, different according to the internal diameter in hole,
The more different fixed columns 12 ' of outer diameter can be designed, so that fixed column 12 ' is matched with hole, facilitates installation crank assemblby.
The crank assemblby fixing device 10,10 ' of the utility model include the fixed column 12 being connected on engine cylinder body,
12 ' and the toothholder 17 that is connected in fixed column 12,12 ', the side of toothholder 17 be equipped with the double wedge 172 engaged with driving wheel 20.This
The crank assemblby fixing device 10,10 ' of utility model is produced for fuel engines in assembling process or maintenance process, for fastening
Or when dismounting belt pulley bolt and bolt of flywheel, crank assemblby is fixed on engine cylinder body.The bent axle of the utility model is total
Engaged with driving wheel 20 (belt pulley or flywheel) at the toothholder 17 of fixing device 10,10 ', can bear bolt (belt pulley bolt or
Bolt of flywheel) fastening when hundreds of Ns of rice torque, can perfect crank assemblby.Moreover, the crank assemblby of the utility model is solid
It is simple in structure to determine device 10,10 ', can be easy to operate simple with flexible modulation, suitable for consolidating for different engine crankshaft assemblies
It is fixed.
Preferred embodiments of the present invention are described in detail above in association with attached drawing, but the utility model is not limited to
Detail in the above embodiment can be to the technology of the utility model in the range of the technology design of the utility model
Scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.In above-mentioned specific embodiment party
Each particular technique feature described in formula can be combined by any suitable means in the case of no contradiction.
In order to avoid unnecessary repetition, the utility model no longer separately illustrates various combinations of possible ways.
Claims (8)
1. a kind of crank assemblby fixing device, which is characterized in that including the fixed column being connected on engine cylinder body and be connected to
Toothholder in the fixed column, the side of the toothholder are equipped with the double wedge engaged with driving wheel.
2. crank assemblby fixing device as described in claim 1, which is characterized in that the fixed column be equipped with screw thread and with
The first nut and the second nut of screw-thread fit connection, the toothholder are equipped with adjustment hole, and one end of the fixed column passes through institute
Adjustment hole setting is stated, the toothholder is fixed between first nut and second nut.
3. crank assemblby fixing device as claimed in claim 2, which is characterized in that the adjustment hole is waist-shaped hole, the tune
The length direction of knothole perpendicular to driving wheel axis direction, the toothholder along the adjustment hole length direction adjustably
It is connected to the fixed column.
4. crank assemblby fixing device as described in claim 1, which is characterized in that the toothholder includes top surface, bottom surface, arc
Face and end face, the top surface are oppositely arranged with the bottom surface, the arcwall face and the end face be connected to the top surface with it is described
Between bottom surface, the both ends of the end face are connected to the arcwall face, and the double wedge setting is on the end surface.
5. the crank assemblby fixing device as described in Claims 1-4 any one, which is characterized in that the fixed column includes
Adjustable column and positioning column, the adjustable column are coaxially disposed with the positioning column, and the end of the adjustable column is equipped with screw hole, described fixed
The end of position column is equipped with screw rod, and the screw rod of the positioning column is connected in the screw hole of the adjustable column.
6. crank assemblby fixing device as claimed in claim 5, which is characterized in that the adjustable column includes handling section, adjusts
Section and limited block, the handling section are coaxially disposed with the adjusting section, and the limited block is connected to the handling section and the tune
Between segment, the screw hole is set to the end for adjusting section.
7. crank assemblby fixing device as claimed in claim 6, which is characterized in that the limited block is along the adjustable column
Circumferentially disposed, the outer diameter of the limited block is more than the handling section or the outer diameter for adjusting section.
8. crank assemblby fixing device as claimed in claim 5, which is characterized in that the positioning column includes guide section and positioning
Section, the guide section are coaxially disposed with the positioning section, and the outer diameter of the guide section is less than the outer diameter of the positioning section, described to lead
It is equipped with transition cambered surface to the junction of section and the positioning section, the screw rod is set to the end of positioning section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820285659.XU CN208068085U (en) | 2018-02-28 | 2018-02-28 | Crank assemblby fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820285659.XU CN208068085U (en) | 2018-02-28 | 2018-02-28 | Crank assemblby fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208068085U true CN208068085U (en) | 2018-11-09 |
Family
ID=64038372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820285659.XU Active CN208068085U (en) | 2018-02-28 | 2018-02-28 | Crank assemblby fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208068085U (en) |
-
2018
- 2018-02-28 CN CN201820285659.XU patent/CN208068085U/en active Active
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