CN106884847A - A kind of embedded removable fixing structure of engine and its assembly or disassembly method - Google Patents
A kind of embedded removable fixing structure of engine and its assembly or disassembly method Download PDFInfo
- Publication number
- CN106884847A CN106884847A CN201710183406.1A CN201710183406A CN106884847A CN 106884847 A CN106884847 A CN 106884847A CN 201710183406 A CN201710183406 A CN 201710183406A CN 106884847 A CN106884847 A CN 106884847A
- Authority
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- China
- Prior art keywords
- nut
- bolt
- engine
- dna
- releaxed circular
- 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 description 14
- 108020004638 Circular DNA Proteins 0.000 claims abstract description 64
- 230000003172 anti-dna Effects 0.000 claims abstract description 61
- 238000002474 experimental method Methods 0.000 claims abstract description 29
- 238000009958 sewing Methods 0.000 claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 108020004414 DNA Proteins 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
-
- 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
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/485—Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to the embedded removable fixing structure of engine of one kind, including bolt 1, engine 2, experiment sewing platform base 3, nut 5, anti-DNA releaxed circular DNA 6 and disassembling fixture 19；The bolt 1 has bolt external screw thread 7, the first bolt light rod 8, the second bolt light rod 9 and bolt annular groove 10, the nut 5 has nut inner threaded hole 11, the first nut unthreaded hole 14, the second nut unthreaded hole 16, the assembling of nut transition annular groove 12, nut to be oriented to chamfering 13, nut annular groove 15 and dismounting fabrication hole 17, the anti-DNA releaxed circular DNA 6 is elastic opening ring and has anti-DNA releaxed circular DNA assembling to be oriented to chamfering 18, and the external part that disassembling fixture projection 20 and disassembling fixture projection 20 are evenly equipped with the disassembling fixture 19 has projection guiding surface 21.By anti-DNA releaxed circular DNA and bolts assemblies, bolt with the assembling of engine and experiment sewing platform base and pad and nut with the assembling between bolt, engine reliable can be fixed on experiment sewing platform base, easily fixing structure of engine can be taken apart using disassembling fixture.
Description
Technical field
The invention belongs to Engine Block Test technical field, and in particular to a kind of embedded removable engine fixed knot
Structure.
Background technology
Diesel engine is in performance test or durability certification test, it is necessary to be fixed in threst stand
On, generally it is connected by screw bolts structure and is fixed on the pedestal of testing stand by by engine.But engine is in process of the test
In, being influenceed by combustion process etc., engine can bear the work of oscillating load and shock loading with experiment sewing platform base fixed position
With causing engine to occur and release phenomenon with the bolt of experiment sewing platform base connecting portion.Once there is pine in bolt fastening structure
It is de-, engine and experiment sewing platform base solid failure will be caused, cause cannot being normally carried out for engine.
To improve the reliability of bolt fastening structure, it will usually realize bolt fastening structure using various locking measures
Locking.For example, using the elastomeric pad to prevent what bolt fastening structure from loosening reaching by bearing certain shock loading
Purpose；For another example, by optimizing self-locking of pitch and the screw-down torque realization of screw thread to bolt fastening structure, and then prevent bolt from connecting
Binding structure gets loose in the course of the work.But, the de- measure of existing bolt connection anti-loose has certain limitation, can only
Prevent bolt fastening structure from getting loose to a certain extent.When bolt fastening structure in the larger shock loading of the amplitude of bearing or
During the oscillating load that amplitude is big, frequency is high, bolt fastening structure still suffers from the possibility for getting loose.
For bearing the bolt fastening structure that shock loading by a relatively large margin or amplitude, high-frequency oscillating load are acted on, need
New bolt connection anti-loose structure is used, to be got loose during preventing bolt fastening structure under arms, to realize quilt
Being reliably connected between connector.The fixation problem for being directed to engine and experiment sewing platform base of the invention, proposition one kind is embedded can
The fixing structure of engine of dismounting.
The content of the invention
The present invention proposes a kind of embedded removable fixing structure of engine.Engine reliable can be fixed on examination
Test on sewing platform base, effectively prevent bolt fastening structure from getting loose.
Technical scheme：
A kind of embedded removable fixing structure of engine, including bolt, engine, experiment sewing platform base, nut and anti-
DNA releaxed circular DNA, is sequentially provided with from screw cap end to bottom the spiral shell mutually assembled with experiment sewing platform base for same engine on the stud of the bolt
Bolt external screw thread, the first bolt light rod and the second bolt light rod for installing nut, first bolt light rod and the second bolt
The bolt annular groove for installing anti-DNA releaxed circular DNA is provided between polished rod, the diameter of first bolt light rod is less than the externally threaded spiral shell of bolt
Line bottom footpath, the diameter of the diameter less than the first bolt light rod of second bolt light rod；It is sequentially provided with the inside of the nut same
It is nut inner threaded hole that bolt external screw thread is mutually assembled, the first nut unthreaded hole mutually assembled with the first bolt light rod, anti-for installing
The nut annular groove of DNA releaxed circular DNA, the second nut unthreaded hole mutually assembled with the second bolt light rod；The nut inner threaded hole and the first nut
Nut transition annular groove is provided between unthreaded hole, nut assembling is provided near one end of nut inner threaded hole on the first nut unthreaded hole
It is oriented to chamfering, the nut uniform dismounting fabrication hole on one end end face of the second nut unthreaded hole；The anti-DNA releaxed circular DNA is elasticity
Split ring, the side end face outside of the anti-DNA releaxed circular DNA has the assembling of anti-DNA releaxed circular DNA to be oriented to chamfering, the screw bolt passes engine and
When being fixed by nut after experiment sewing platform base, in bolt annular groove and nut annular groove that the anti-DNA releaxed circular DNA is assemblied in, the anti-DNA releaxed circular DNA
Assembling is oriented to second nut unthreaded hole side of the chamfering towards nut.
Further, also including disassembling fixture, the disassembling fixture includes uniform on a plectane and its one side same tear open
The equal disassembling fixture projection of technique hole number is unloaded, the external part of the disassembling fixture projection is provided with projection guiding surface.
The assembly method of above-mentioned embedded removable fixing structure of engine, comprises the following steps：
A, determine fixing structure of engine union piece dimensional parameters；
The processing of b, fixing structure of engine union piece；
The assembling of c, anti-DNA releaxed circular DNA and bolt；
D, bolt with engine and experiment sewing platform base assembling；
The locking assembling of e, fixing structure of engine.
In step c, anti-DNA releaxed circular DNA is placed in bolt annular groove, anti-DNA releaxed circular DNA is oriented to chamfering towards installation nut on bolt
Side.
In step e, pad is arranged on bolt, then nut is screwed on bolt by screw thread, make to prevent
DNA releaxed circular DNA is assemblied in bolt annular groove and nut annular groove.
The method for dismounting of above-mentioned embedded removable fixing structure of engine, comprises the following steps：
A, the dimensional parameters for determining disassembling fixture；
B, disassembling fixture projection is pressed into the dismounting fabrication hole of fixing structure of engine top nut, departs from anti-DNA releaxed circular DNA
Nut annular groove；
C, nut is pulled down from fixing structure of engine；
D, bolt is pulled down from fixing structure of engine.
In step c, keep anti-DNA releaxed circular DNA in step b to depart from the state of nut annular groove, unclamped nut with spanner, and by spiral shell
Mother pulls down from fixing structure of engine.
The beneficial effects of the invention are as follows：
A kind of embedded removable fixing structure of engine, according to engine and the structure of experiment sewing platform base connecting portion
Size, in the part bolt involved by rationally determination and processing fixing structure of engine, nut, anti-DNA releaxed circular DNA, pad and dismounting work
On the basis of dress dimensional parameters, the assembling with engine and experiment sewing platform base and pad by anti-DNA releaxed circular DNA and bolts assemblies, bolt
Can be fixed on for engine reliable on experiment sewing platform base by piece and nut with the assembling between bolt, prevent bolted-on attachment
Structure gets loose.There are two sections of polished rods the annular groove both sides of bolt, and it is straight with diameter greater than another section of polished rod to be close to the polished rod of screw thread side
Footpath, is easy to the assembling between anti-DNA releaxed circular DNA and bolt.There is transition annular groove between nut inner threaded hole and polished rod, be not only convenient for internal thread
Processing, and the stress of nut can be reduced.There is assembling to be oriented to chamfering near one end of internal thread hole on the unthreaded hole of nut, be easy to prevent
Assembling between DNA releaxed circular DNA and nut.Fabrication hole is uniformly dismantled in one end of nut, is easy to the dismounting of fixing structure of engine.Anti- DNA releaxed circular DNA
It is split ring, is easy to the Assembly And Disassembly of fixing structure of engine.The one side end face outside of anti-DNA releaxed circular DNA has assembling to be oriented to chamfering, just
In anti-DNA releaxed circular DNA with the assembling between nut.The external part of projection has guiding surface on disassembling fixture, it is ensured that disassembling fixture pressure
Anti- DNA releaxed circular DNA is effectively departed from the annular groove of nut when tightly on nut, be easy to the dismounting of fixing structure of engine.
Brief description of the drawings
Fig. 1 is embedded dismantled and assembled fixing structure of engine schematic diagram.
Fig. 2 is the structural representation of bolt.
Fig. 3 is the structural representation of nut.
Fig. 4 is the structural representation of nut.
Fig. 5 is the structural representation of nut.
Fig. 6 is the structural representation of anti-DNA releaxed circular DNA.
Fig. 7 is the structural representation of anti-DNA releaxed circular DNA.
Fig. 8 is the structural representation of disassembling fixture.
Fig. 9 is the structural representation of disassembling fixture.
The anti-DNA releaxed circular DNA of 5 nut of experiment 4 pad of sewing platform base of 1 bolt, 2 engine 36
The bolt annular groove of 7 bolt external screw thread, 8 first 9 second bolt light rod of bolt light rod 10
The assembling of the nut of 11 nut inner threaded hole, 12 nut transition annular groove 13 is oriented to chamfering
The nut unthreaded hole of 14 first nut unthreaded hole, 15 nut annular groove 16 second
The anti-DNA releaxed circular DNA assembling of 17 nut dismounting fabrication hole 18 is oriented to chamfering
The projection guiding surface of 19 disassembling fixture, 20 disassembling fixture projection 21
Specific embodiment
A kind of embedded removable fixing structure of engine, as shown in figure 1, including bolt 1, engine 2, experiment stylobate
Seat 3, pad 4, nut 5 and anti-DNA releaxed circular DNA 6；
As shown in Fig. 2 being sequentially provided with for same engine 2 and experiment from screw cap end to bottom on the stud of the bolt 1
The bolt external screw thread 7 that sewing platform base 3 is mutually assembled, the first bolt light rod 8 and the second bolt light rod 9 for installing nut 5, described
The bolt annular groove 10 for installing anti-DNA releaxed circular DNA 6, the first bolt light are provided between one bolt light rod 8 and the second bolt light rod 9
, less than the core diameter of thread of bolt external screw thread 7, the diameter of second bolt light rod 9 is less than the first bolt light rod 8 for the diameter of bar 8
Diameter；
As shown in Fig. 3, Fig. 4 and Fig. 5, the inner side of the nut 5 is sequentially provided with the nut that same bolt external screw thread 7 is mutually assembled
It is screwed hole 11, the first nut unthreaded hole 14 mutually assembled with the first bolt light rod 8, the nut annular groove 15 for installing anti-DNA releaxed circular DNA 6, same
The second nut unthreaded hole 16 that second bolt light rod 9 is mutually assembled；Set between the nut unthreaded hole 14 of the nut inner threaded hole 11 and first
There is nut transition annular groove 12, being provided with nut assembling near one end of nut inner threaded hole 11 on the first nut unthreaded hole 14 is oriented to
Chamfering 13, the uniform dismounting fabrication hole 17 on one end end face of the second nut unthreaded hole 16 of the nut 5；
As shown in Figure 6 and Figure 7, the anti-DNA releaxed circular DNA 6 is elastic opening ring, and the side end face outside of the anti-DNA releaxed circular DNA 6 has anti-
DNA releaxed circular DNA assembling is oriented to chamfering 18, solid by nut 5 after the bolt 1 sequentially passes through engine 2, experiment sewing platform base 3 and pad 4
Fixed, in bolt annular groove 10 and nut annular groove 15 that the anti-DNA releaxed circular DNA 6 is assemblied in, the anti-DNA releaxed circular DNA assembling is oriented to chamfering 18 towards spiral shell
Female 5 side of the second nut unthreaded hole 16, preferably 10 ° -30 ° of its angle.
As shown in Figure 8 and Figure 9, also including disassembling fixture 19, the disassembling fixture 19 is included on a plectane and its one side
The equal disassembling fixture projection 20 of the uniform same quantity of dismounting fabrication hole 17, the external part of the disassembling fixture projection 20 is provided with convex
Post guiding surface 21.The normal orientation of projection guiding surface 21 of the disassembling fixture 19 and the angle of axis be preferably 10 °-
30°。
The assembly method of above-mentioned embedded removable fixing structure of engine, comprises the following steps：
A, determine fixing structure of engine union piece dimensional parameters：Connected according to engine 2 and experiment sewing platform base 3
The physical dimension at position, determines bolt external screw thread 7, connects the dimensional parameters of a bolt light rod and bolt annular groove 10, determines in nut
11, two unthreaded holes of screwed hole, nut assembling are oriented to the dimensional parameters of chamfering 13, nut annular groove 15 and nut dismounting fabrication hole 17,
Determine the dimensional parameters of pad 4, determine that internal diameter, external diameter, width, opening angle and the assembling of anti-DNA releaxed circular DNA of anti-DNA releaxed circular DNA 6 are oriented to chamfering
18 dimensional parameters；
For example, certain model 6V Diesel engines 2 with experiment sewing platform base 3 be connected position dimension of inner screw thread for M16 ×
1.5-H7H7, according to engine 2 and experiment the phase connection bit architecture dimensional parameters of sewing platform base 3, it is determined that bolt external screw thread 7 chi
Very little is M16 × 1.5-p6p6, and the diameter of two sections of polished rods is followed successively by Ф 11mm and Ф 10mm on bolt 1, and the depth of bolt annular groove 10 is
2mm, a width of 2mm；The size of the nut inner threaded hole 11 of determination be M16 × 1.5-H7H7, on nut 5 two sections of diameters of unthreaded hole according to
Secondary is 15 ° for Ф 11mm and Ф 10mm, nut assembling are oriented to chamfering 13, and the depth of nut annular groove 15 is 1mm, a width of 2mm, and nut is torn open
It is 3 to unload a diameter of Ф 2mm of fabrication hole 17, quantity；The internal diameter in the mounted state of anti-DNA releaxed circular DNA 6 for determining is Ф 8.2mm, outer
Footpath is Ф 12.6mm, width 2mm, opening angle are 1 °, the assembling of anti-DNA releaxed circular DNA is oriented to chamfering 18 for 15 °.
The processing of b, fixing structure of engine union piece：According to the fixing structure of engine union piece that step a determines
Parameters of structural dimension, carry out the processing of bolt 1, nut 5, anti-DNA releaxed circular DNA 6 and pad 4；
The assembling of c, anti-DNA releaxed circular DNA 6 and bolt 1：Anti- DNA releaxed circular DNA 6 is placed in bolt annular groove 10, anti-DNA releaxed circular DNA assembling is oriented to chamfering
18 towards the side that nut 5 is installed on bolt 1, as shown in Figure 1；
D, bolt 1 with engine 2 and experiment sewing platform base 3 assembling：To together start the bolt 1 equipped with anti-DNA releaxed circular DNA 6 in step c
Machine 2 and experiment sewing platform base 3 are screwed by screw thread and are assembled together；
The locking assembling of e, fixing structure of engine：Pad 4 is arranged on bolt 1, then nut 5 is revolved by screw thread
Tightly it is arranged on bolt 1, anti-DNA releaxed circular DNA 6 is assemblied in bolt annular groove 10 and nut annular groove 15, realizes to fixing structure of engine
Locking.
The method for dismounting of above-mentioned embedded removable fixing structure of engine, comprises the following steps：
A, the dimensional parameters for determining fixing structure of engine disassembling fixture：According to engine 2 and the experiment connecting portion of sewing platform base 3
The parameters of structural dimension of position nut 5, determines that the quantity of disassembling fixture projection 20, diameter, height and projection are led on disassembling fixture 19
To the dimensional parameters on inclined-plane 21；For example, according to certain model 6V Diesel engines 2 and the size ginseng of the experiment fixed structure of sewing platform base 3
Number, it is determined that disassembling fixture 19 on disassembling fixture projection 20 quantity be 3, a diameter of Ф 2mm, highly for 7mm and projection are led
It it is 15 ° to the angle of the normal coaxial line on inclined-plane 21；
B, the disassembling fixture projection 20 on disassembling fixture 19 is pressed into fixing structure of engine top nut dismounting fabrication hole
In 17, anti-DNA releaxed circular DNA 6 is set to depart from nut annular groove 15；
C, nut 1 is pulled down from fixing structure of engine：Keep the shape of the disengaging nut of anti-DNA releaxed circular DNA 6 annular groove 15 in step b
State, is unclamped nut 5 with spanner, and nut 5 is pulled down from fixing structure of engine；
D, pad 4, bolt 5 are pulled down from fixing structure of engine successively.
The preferred embodiment of the invention is the foregoing is only, creation is not intended to limit the invention, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc. should be included in the invention
Protection domain within.
Claims (7)
1. a kind of embedded removable fixing structure of engine, it is characterised in that：Including bolt, engine, experiment sewing platform base,
Nut and anti-DNA releaxed circular DNA, are sequentially provided with for same engine and experiment sewing platform base phase on the stud of the bolt from screw cap end to bottom
The bolt external screw thread of assembling, the first bolt light rod and the second bolt light rod for installing nut, first bolt light rod and
The bolt annular groove for installing anti-DNA releaxed circular DNA is provided between second bolt light rod, the diameter of first bolt light rod is less than outside bolt
The core diameter of thread of screw thread, the diameter of the diameter less than the first bolt light rod of second bolt light rod；
Nut inner threaded hole that same bolt external screw thread mutually assembles is sequentially provided with the inside of the nut, is mutually filled with the first bolt light rod
The the first nut unthreaded hole matched somebody with somebody, the nut annular groove for installing anti-DNA releaxed circular DNA, the second nut unthreaded hole mutually assembled with the second bolt light rod；
Nut transition annular groove is provided between the nut inner threaded hole and the first nut unthreaded hole, near nut on the first nut unthreaded hole
One end of internal thread hole is provided with nut assembling and is oriented to chamfering, and the nut is uniformly torn open on one end end face of the second nut unthreaded hole
Unload fabrication hole；
The anti-DNA releaxed circular DNA is elastic opening ring, and the side end face outside of the anti-DNA releaxed circular DNA has anti-DNA releaxed circular DNA assembling to be oriented to chamfering, described
When being fixed by nut after screw bolt passes engine and experiment sewing platform base, bolt annular groove and spiral shell that the anti-DNA releaxed circular DNA is assemblied in
In female ring groove, the anti-DNA releaxed circular DNA assembling is oriented to second nut unthreaded hole side of the chamfering towards nut.
2. embedded removable fixing structure of engine according to claim 1, it is characterised in that：Also include dismounting work
Dress, the disassembling fixture includes that the plectane disassembling fixture equal with same dismounting technique hole number uniform on its one side is convex
Post, the external part of the disassembling fixture projection is provided with projection guiding surface.
3. the assembly method of the embedded removable fixing structure of engine described in claim 1, it is characterised in that including with
Lower step：
A, determine fixing structure of engine union piece dimensional parameters；
The processing of b, fixing structure of engine union piece；
The assembling of c, anti-DNA releaxed circular DNA and bolt；
D, bolt with engine and experiment sewing platform base assembling；
The locking assembling of e, fixing structure of engine.
4. assembly method according to claim 3, it is characterised in that：In step c, anti-DNA releaxed circular DNA is placed on bolt annular groove
In, anti-DNA releaxed circular DNA is oriented to chamfering towards the side of installation nut on bolt.
5. assembly method according to claim 3, it is characterised in that：In step e, pad is arranged on bolt, so
Nut is screwed on bolt by screw thread afterwards, anti-DNA releaxed circular DNA is assemblied in bolt annular groove and nut annular groove.
6. the method for dismounting of the embedded removable fixing structure of engine described in claim 2, it is characterised in that including with
Lower step：
A, the dimensional parameters for determining disassembling fixture；
B, disassembling fixture projection is pressed into the dismounting fabrication hole of fixing structure of engine top nut, anti-DNA releaxed circular DNA is departed from nut
Annular groove；
C, nut is pulled down from fixing structure of engine；
D, bolt is pulled down from fixing structure of engine.
7. method for dismounting according to claim 6, it is characterised in that：In step c, anti-DNA releaxed circular DNA departs from keeping step b
The state of nut annular groove, is unclamped nut with spanner, and nut is pulled down from fixing structure of engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183406.1A CN106884847B (en) | 2017-03-24 | 2017-03-24 | The embedded removable fixing structure of engine of one kind and its assembly or disassembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183406.1A CN106884847B (en) | 2017-03-24 | 2017-03-24 | The embedded removable fixing structure of engine of one kind and its assembly or disassembly method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106884847A true CN106884847A (en) | 2017-06-23 |
| CN106884847B CN106884847B (en) | 2019-04-05 |
Family
ID=59181920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710183406.1A Active CN106884847B (en) | 2017-03-24 | 2017-03-24 | The embedded removable fixing structure of engine of one kind and its assembly or disassembly method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106884847B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060385A (en) * | 2020-08-07 | 2022-02-18 | 大富科技(安徽)股份有限公司 | Assembly component and fastener |
| JP2022054193A (en) * | 2020-09-25 | 2022-04-06 | 本田技研工業株式会社 | vehicle |
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|---|---|---|---|---|
| CN114060385A (en) * | 2020-08-07 | 2022-02-18 | 大富科技(安徽)股份有限公司 | Assembly component and fastener |
| JP2022054193A (en) * | 2020-09-25 | 2022-04-06 | 本田技研工業株式会社 | vehicle |
| JP7191911B2 (en) | 2020-09-25 | 2022-12-19 | 本田技研工業株式会社 | vehicle |
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| Publication number | Publication date |
|---|---|
| CN106884847B (en) | 2019-04-05 |
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