CN208914027U - A kind of spring dismounting tooling - Google Patents
A kind of spring dismounting tooling Download PDFInfo
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- CN208914027U CN208914027U CN201821745736.1U CN201821745736U CN208914027U CN 208914027 U CN208914027 U CN 208914027U CN 201821745736 U CN201821745736 U CN 201821745736U CN 208914027 U CN208914027 U CN 208914027U
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- spring
- mounting assembly
- tooling
- guidance set
- mounting
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Abstract
The utility model relates to aircraft manufacturing technical fields more particularly to a kind of spring to dismount tooling.Spring dismounting tooling provided by the utility model includes guidance set, the first mounting assembly, the second mounting assembly and driving assembly.Wherein, first mounting assembly is fixed on guidance set, and the both ends of the first mounting assembly and the second mounting assembly difference fixed spring, driving assembly drives the second mounting assembly to slide along guidance set, with separate or close first mounting assembly, the stretching and compression to spring are realized.Spring provided by the utility model dismounts tooling, effectively extension spring and spring can be avoided to spring back during changing the outfit and cause safety accident.
Description
Technical field
The utility model relates to aircraft manufacturing technical fields more particularly to a kind of spring to dismount tooling.
Background technique
Undercarriage is the unique apparatus that aircraft is used to support aircraft in ground taxi, and main landing gear is subject to mainly carry again
The landing gear components of lotus.The spring in lock connecting rod, down lock pressurized strut and side brace in main landing gear cooperates, and makes to lead
It falls frame decentralization in place, guarantees to the reliable support effect of fuselage.
In the actual installation process of spring, need first to be stretched to required length, when spring elongation certain length, mistake
Big spring force can be such that spring springs back, and cause great security risk to operator.
Based on this, it would be highly desirable to invent a kind of spring dismounting tooling, can effective extension spring, so that spring is being changed the outfit to aircraft side
During strut, the caused safety accident of rebound is avoided.
Utility model content
In order to improve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of springs to dismount tooling, can
Effective extension spring avoids the caused safety accident of recoil of spring during spring changes the outfit to aircraft side brace.
In order to achieve the above object, the utility model uses following technical scheme:
A kind of spring dismounting tooling, comprising:
Guidance set；
First mounting assembly is fixed on the guidance set, and is configured as pacifying spring-loaded one end；
Second mounting assembly is configured as installing the other end of the spring；And
Driving assembly is configured as that second mounting assembly is driven to slide along the extending direction of the guidance set, with
Keep second mounting assembly separate or close to first mounting assembly.
Optionally, the driving component is lead screw, and the lead screw is arranged in parallel with the guidance set, and with described second
Mounting assembly transmission connection.
Optionally, the thread of the lead screw is trapezoidal thread.
Optionally, the driving component includes driving end, and the section of the driving end is in regular hexagon.
Optionally, first mounting assembly includes:
First mounting body is fixed on the guidance set；
Stud is screwed in first mounting body；And
Nut is screwed on the stud.
Optionally, the stud includes big end external screw thread and small end external screw thread, and the stud passes through the big end external screw thread
It is screwed in first mounting body, the nut is mutually screwed by the small end external screw thread with the stud.
Optionally, the externally threaded nominal diameter of the big end is 7 millimeters~10 millimeters, and the externally threaded nominal of small end is straight
Diameter is 4 millimeters~6 millimeters.
Optionally, second mounting assembly includes:
Second mounting body is screwed on the lead screw；And
Bolt is screwed in second mounting body.
Optionally, second mounting body is in U-shape.
Optionally, the guidance set is polished rod, and second mounting assembly is threaded through on the polished rod.
The utility model has the following beneficial effects:
Spring provided by the utility model dismounting tooling include guidance set, the first mounting assembly, the second mounting assembly and
Driving assembly.Wherein, the first mounting assembly is fixed on guidance set, the first mounting assembly and the second mounting assembly difference
The both ends of fixed spring, driving assembly drive the second mounting assembly to slide along guidance set, with separate or close first installation group
Part realizes stretching and compression to spring.Spring provided by the utility model dismounts tooling, effectively extension spring and can avoid bullet
Spring springs back during changing the outfit and causes safety accident.
Detailed description of the invention
It, below will be to the utility model embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to the content of the utility model embodiment and these attached drawings.
Fig. 1 is the structural schematic diagram of spring dismounting tooling provided by the utility model；
Fig. 2 is the structural schematic diagram of the first mounting body provided by the utility model；
Fig. 3 is the structural schematic diagram of stud provided by the utility model；
Fig. 4 is the structural schematic diagram of nut provided by the utility model；
Fig. 5 is the structural schematic diagram of the second mounting body provided by the utility model.
It is marked in figure as follows:
1- spring dismounts tooling；
11- guidance set；The first mounting assembly of 12-；The second mounting assembly of 13-；14- driving assembly；
111- fastening nut；The first mounting body of 121-；122- stud；123- nut；The second mounting body of 131-；132-
Bolt；141- driving end；
1211- first through hole；The first threaded hole of 1212-；1221- big end external screw thread；1222- small end external screw thread；In 1231-
Threaded hole；The second through-hole of 1311-；The second threaded hole of 1312-；1313- motion thread hole.
Specific embodiment
The technical issues of in order to solve the utility model, the technical solution of use and the technical effect that reaches are more clear
Chu is described in further detail below in conjunction with technical solution of the attached drawing to the utility model embodiment.
Fig. 1 is the structural schematic diagram of spring dismounting tooling 1 provided in this embodiment.As shown in Figure 1, provided in this embodiment
It includes guidance set 11, the first mounting assembly 12, the second mounting assembly 13 and driving assembly 14 that spring, which dismounts tooling 1,.Wherein,
One mounting assembly 12 is fixed at one end of guidance set 11, and the second mounting assembly 13 is threaded through on guidance set 11 and edge is led
It is slided to component 11, the first mounting assembly 12 and the second mounting assembly 13 are respectively used to the both ends of fixed spring, driving assembly 14
It is arranged in parallel with guidance set 11, the second mounting assembly 13 can be driven to slide along guidance set 11, to pacify far from or close to first
Arrangement 12 realizes stretching and compression to spring, effectively spring can be avoided to spring back during changing the outfit and cause safety accident.
Specifically, guidance set 11 provided in this embodiment is two symmetrically set polished rod, the second mounting assembly 13
Also cross two polished rods, guarantee the second mounting assembly 13 along polished rod smooth sliding.In other embodiments, it can also will be oriented to
Component 11 is set as having one or more polished rod.Driving assembly 14 provided in this embodiment is trapezoidal screw, passes through flat ratchet
The section of spanner rotational lead screw end setting is the driving end 141 of regular hexagon, will be converted to edge along the power that lead screw rotates in a circumferential direction
The power of lead screw axis direction, 13 stress of the second mounting assembly is moved back and forth along lead screw, to realize the stretching and compression of spring.?
In other embodiments, driving end 141 can also be set to the shapes such as section triangular in shape, quincunx, cross or linear type,
It can also set driving end 141 to the slot with shapes such as triangle, quincunx, cross or linear types.Driving end 141
Thread it is trapezoidal, there is self-locking function, guarantee that spring can be elongated smoothly during stretching, and it is existing to generate rebound
As.In other embodiments, the ball-screw that driving assembly 14 is set as with self-locking motor or equipped with band-type brake can also be equal
When with transmission and self-locking function driving device.
Fig. 2 is the structural schematic diagram of the first mounting body 121 provided in this embodiment.As shown in Fig. 2, the first mounting body
121 is overall U-shaped, convenient to mount and dismount to spring, opens up that there are three first through hole in the first mounting body 121
1211, it is each passed through and is located in the middle driving assembly 14 and the guidance set 11 positioned at two sides.In the present embodiment, for installing the
One end of the guidance set 11 of one mounting body 121 is provided with multi-diameter shaft and external screw thread, and the first mounting body 121 is connected to the rank
On terraced axis, and the male threaded end by being pierced by the first mounting body 121 in guidance set 11 installs fastening nut 111, realizes
The fixation of first mounting body, 121 position.First mounting body 121 is symmetrical arranged there are two spring mounting post, and each spring is pacified
First threaded hole 1212, the fixed installation for stud 122 are offered on dress column.
Fig. 3 is the structural schematic diagram of stud 122 provided in this embodiment.As shown in figure 3, stud 122 is self-control multi-diameter shaft
Structure, the big end external screw thread 1221 of stud 122 are screwed in the second threaded hole 1312, by by the clamping aperture set of spring one end
It is located on stud 122, realizes the fixation to spring one end.The side stay being able to achieve in aircraft main landing gear is connected using stud 122
Fast Installation or disassembly are carried out to spring under the occasion that the opening characters such as bar upper end are poor, installation space is small, conventional bolt is avoided to connect
To the rigid requirement of installation space.The material of stud 122 provided in this embodiment is structural alloy steel 30CrMnSiA, intensity is high,
Good toughness, easy processing, the small and anti-fatigue performance of deformation are good.In the present embodiment, the nominal of the big end external screw thread 1221 of stud 122 is straight
Diameter is 8 millimeters, can guarantee being bonded between stud 122 and the first mounting body 121, the nominal of small end external screw thread 1222 is straight
Diameter be 5 millimeters, the clamping aperture of spring can be passed through, and can bear spring be stretched to preset length generation spring force and
Indeformable or damage.
Fig. 4 is the structural schematic diagram of nut 123 provided in this embodiment.As shown in figure 4, nut 123 is provided with internal screw thread
Hole 1231 is connected for the small end external screw thread 1222 with stud 122, realizes the fixation of spring position.It is provided in this embodiment
Nut 123 is self-control M5 nut, can be tightly fastened with stud 122, and spring is avoided to collapse de- cause danger.
Fig. 5 is the structural schematic diagram of the second mounting body 131 provided in this embodiment.As shown in Figure 1 and Figure 5, the second peace
Arrangement 13 includes the second mounting body 131 and bolt 132.Wherein, the second mounting body 131 symmetrically opens up logical there are two second
Hole 1311, is each passed through two polished rods of guidance set 11, and the second mounting body 131 is threaded through on guidance set 11 by realization.
Second mounting body 131 is also provided with trapezoidal motion thread hole 1313, matches with lead screw, realizes and turns the rotary motion of lead screw
The second mounting body 131 is changed to along the linear motion of lead screw.Second mounting body 131 is also provided with there are two spring mounting post, energy
Two springs are fixed respectively, realize that spring dismounting tooling 1 is stretched or compressed to two springs simultaneously, each spring mounting post
On offer second threaded hole 1312, bolt 132 is screwed in the second threaded hole 1312, by by the folder of the spring other end
It holds aperture to be set on bolt 132, realizes the fixation to the spring other end.Second mounting body 131 is also in U-shape, by spring
During the side brace to change the outfit to aircraft main landing gear, the song accommodated in side brace can be formed among the second mounting body 131
The accommodation space of handle facilitates and one end of spring is quickly installed on crank, while in the disassembly process of spring and crank
It is able to achieve the fast quick-detach of spring.Spring provided in this embodiment is directly provided by supplier, and spring diameter is 46 millimeters, and original is long
It is 449.8 millimeters, maximum tension length is 666.14 millimeters, and under maximum tension length, spring can generate the bullet of 1696 newton
Spring force, the practical tensile elongation of spring are 591.74 millimeters, and under practical tensile elongation, spring can generate the spring of 1250 newton
Power.Bolt 132 provided in this embodiment is bolt NAS6203-8 made in Great Britain, and shear strength is 655.025 megapascal, can be born
The spring force of 2000 newton can guarantee that spring is stretched to preset length without deformation or damage.In other embodiments,
It can also set bolt 132 to the strong bolt of other anti-shear abilities, screw or stud.
In order to facilitate understanding, the working principle of spring dismounting tooling 1 provided in this embodiment is as follows:
(1) spring installation process
Firstly, the clamping aperture of two spring upper ends to be respectively sleeved to two self-control studs of the first mounting assembly 12
On 122, and self-control M5 nut correspondence is screwed on the small end external screw thread 1222 of stud 122, realizes the fixation of spring one end, this
When spring be in relaxed state；Secondly, passing through the driving end 141 of flat ratchet spanner rotational lead screw, by 13 edge of the second mounting assembly
Guidance set 11 is moved in the former long range of spring, then the clamping aperture of two lower spring ends is respectively sleeved at the second installation group
On two bolts 132 of part 13, and the correspondence of bolt 132 is screwed in the second threaded hole 1312 of the second mounting assembly 13, it is real
The fixation of the existing spring other end；Again, by the driving end 141 of flat ratchet spanner rotational lead screw, the second mounting assembly 13 is driven
Far from the first mounting assembly 12, spring is gradually stretched to preset length；Then, just by the spring dismounting tooling 1 equipped with spring
The side brace of aircraft is placed, the method for passing through the mounting hole of spring end by pivot pin and being fastened using fastener, by spring
One end is fixed in side brace, while being connected with fuselage, and the other end is mutually fixed with the crank in side brace；Finally, removing solid
Bolt 132 used in during fixed and extension spring and nut 123 are realized so that spring dismounting tooling 1 be removed by spring
It changes the outfit onto the side brace of aircraft main landing gear, completes the installation process of spring.
(2) spring disassembly process
Firstly, the spring in the side brace of aircraft main landing gear is installed to according to the correspondence of connection relationship described in (1)
Spring dismounts in tooling 1；Secondly, the fastener and pivot pin of connecting spring lower end and crank are removed；It again, will be on connecting spring
It holds and is removed with the fastener and pivot pin of side brace；Then, by the driving end 141 of flat ratchet spanner rotational lead screw, second is driven
Spring is gradually restored to relaxed state close to the first mounting assembly 12 by mounting assembly 13；Finally, remove for connecting spring with
Spring dismounts the bolt 132 and nut 123 of tooling 1, completes the disassembly process of spring.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of spring dismounts tooling characterized by comprising
Guidance set (11)；
First mounting assembly (12) is fixed on the guidance set (11), and is configured as pacifying spring-loaded one end；
Second mounting assembly (13) is configured as installing the other end of the spring；And
Driving assembly (14) is configured as the extending direction for driving second mounting assembly (13) along the guidance set (11)
Sliding so that second mounting assembly (13) far from or close to first mounting assembly (12).
2. spring according to claim 1 dismounts tooling, which is characterized in that the driving component (14) is lead screw, described
Lead screw is arranged in parallel with the guidance set (11), and is sequentially connected with second mounting assembly (13).
3. spring according to claim 2 dismounts tooling, which is characterized in that the thread of the lead screw is trapezoidal thread.
4. spring according to claim 2 dismounts tooling, which is characterized in that the driving component (14) includes driving end
(141), the section of the driving end (141) is in regular hexagon.
5. spring according to any one of claims 1 to 4 dismounts tooling, which is characterized in that first mounting assembly
(12) include:
First mounting body (121) is fixed on the guidance set (11)；
Stud (122) is screwed on first mounting body (121)；And
Nut (123) is screwed on the stud (122).
6. spring according to claim 5 dismounts tooling, which is characterized in that the stud (122) includes big end external screw thread
(1221) and small end external screw thread (1222), the stud (122) are screwed in described first by the big end external screw thread (1221)
In mounting body (121), the nut (123) is mutually screwed by the small end external screw thread (1222) with the stud (122).
7. spring according to claim 6 dismounts tooling, which is characterized in that the nominal of the big end external screw thread (1221) is straight
Diameter is 7 millimeters~10 millimeters, and the nominal diameter of the small end external screw thread (1222) is 4 millimeters~6 millimeters.
8. dismounting tooling according to the described in any item springs of claim 2~4, which is characterized in that second mounting assembly
(13) include:
Second mounting body (131), is screwed on the lead screw；And
Bolt (132) is screwed on second mounting body (131).
9. spring according to claim 8 dismounts tooling, which is characterized in that second mounting body (131) is in U-shape.
10. spring according to any one of claims 1 to 4 dismounts tooling, which is characterized in that the guidance set (11) is
Polished rod, second mounting assembly (13) are threaded through on the polished rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821745736.1U CN208914027U (en) | 2018-10-26 | 2018-10-26 | A kind of spring dismounting tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821745736.1U CN208914027U (en) | 2018-10-26 | 2018-10-26 | A kind of spring dismounting tooling |
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| Publication Number | Publication Date |
|---|---|
| CN208914027U true CN208914027U (en) | 2019-05-31 |
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ID=66710644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821745736.1U Active CN208914027U (en) | 2018-10-26 | 2018-10-26 | A kind of spring dismounting tooling |
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| Country | Link |
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| CN (1) | CN208914027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421525A (en) * | 2019-08-15 | 2019-11-08 | 成都中车四方轨道车辆有限公司 | A kind of provision for disengagement for complex spring in draw beam |
| CN110434594A (en) * | 2019-08-27 | 2019-11-12 | 龙之盾军工科技（北京）有限公司 | Crawler belt blob of viscose attaching/detaching apparatus |
-
2018
- 2018-10-26 CN CN201821745736.1U patent/CN208914027U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421525A (en) * | 2019-08-15 | 2019-11-08 | 成都中车四方轨道车辆有限公司 | A kind of provision for disengagement for complex spring in draw beam |
| CN110421525B (en) * | 2019-08-15 | 2021-11-02 | 成都中车四方轨道车辆有限公司 | Dismounting device for composite spring in traction beam |
| CN110434594A (en) * | 2019-08-27 | 2019-11-12 | 龙之盾军工科技（北京）有限公司 | Crawler belt blob of viscose attaching/detaching apparatus |
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