CN208153512U - Insert studs mounting device and its tire-mold - Google Patents
Insert studs mounting device and its tire-mold Download PDFInfo
- Publication number
- CN208153512U CN208153512U CN201820276917.8U CN201820276917U CN208153512U CN 208153512 U CN208153512 U CN 208153512U CN 201820276917 U CN201820276917 U CN 201820276917U CN 208153512 U CN208153512 U CN 208153512U
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- China
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- bolt
- swivel nut
- insert studs
- mounting device
- fixation member
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Abstract
The utility model discloses insert studs mounting device and its tire-molds, including：Swivel nut fixation member, the swivel nut fixation member are threadedly coupled with swivel nut；Guiding parts forms the gap for accommodating bolt between the guiding parts and the swivel nut fixation member；Bolt pressing parts, the bolt pressing parts move in guiding parts under the effect of external force in the space that bolt is pressed on swivel nut.The utility model tooling is structure as a whole, easy for assemble or unload.Tooling is simply small and exquisite, at low cost, this tooling can interior curved or outer bending deformation, percussion handle conical structure make percussion stress concentration avoid striking partially in assembling process to avoid bolt.
Description
Technical field
The utility model relates to mechanical mounting techniques fields, more particularly to insert studs mounting device and its tyre mould
Tool.
Background technique
Insert studs be nonmetallic or Soft substrate material in improve screw strength and the thread bush that designs, spiral shell on material can be solved
The problems such as pit is easily damaged, sliding teeth, Soft substrate material is for example, aluminum alloy materials.In the internal thread hole screw thread reparation to having damaged
On, means are repaired as a kind of screw hole, screw hole is damaged and is also quickly and effectively repaired.
On component of machine, such as tire-mold is reinforced the intensity of screw hole, is needed for the normal use for guaranteeing screw hole
This intermediate medium of insert studs.
Currently, the installation of insert studs, which is divided into, screws in swivel nut and bolt two steps of indentation.
It is for screwing in the traditional operating method of swivel nut work step：Insert studs are screwed in into matrix screw hole manually and are tightened.
When above-mentioned screw-in swivel nut the problem is that：It is all born by bolt due to screwing in power, it is easy to cause bolt curved
Song deformation.
Corresponding method is pressed into for bolt, due to needing to destroy the intrinsic internal screw thread of base material screw hole when indentation bolt, is belonged to
In irreversible assembly, therefore, the existing conventional method by insert studs insertion base material screw hole is：It is withstood on bolt using formed punch
End taps formed punch with tup and is pressed into bolt.
Above-mentioned bolt is pressed into：Since the Impact direction of bolt when tup taps formed punch is difficult and inserts
Pin installation direction is consistent, and is led to bolt installation inclination, deformation even breakage phenomenon frequent occurrence, is come not to workpiece thread belt
Recoverable damage.
In addition, since bolt exposed portion is short and small, causing to tap precision when bolt will be completely embedded into before base material screw hole
It is difficult to ensure, formed punch directly hits base material end face frequent occurrence, causes base material screw hole periphery the case where colliding with, damaging occur, sternly
Ghost image rings the presentation quality of base material.
In conclusion being asked in the prior art for what caused bolt in the installation process of insert studs was difficult to accurately install
Topic, still shortage effective solution scheme.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides insert studs mounting device, the utility model energy
The Fast Installation for enough realizing insert studs, avoids in installation process in bolt the problems such as outer incline.
Insert studs mounting device, the mounting device include：
Swivel nut fixation member, the swivel nut fixation member are threadedly coupled with swivel nut；
Guiding parts forms the gap for accommodating bolt between the guiding parts and the swivel nut fixation member；
Bolt pressing parts, bolt is pressed into the bolt pressing parts by movement in guiding parts under the effect of external force
In space on swivel nut.
Further, the swivel nut fixation member is thread spindle, and front end is equipped with external thread of screw and the conical surface, the screw rod
The internal screw thread of external screw thread and insert studs matches, and the internal thread chamfering face of the conical surface and insert studs matches.
Further, the swivel nut fixation member, guiding parts, bolt pressing parts are connected by positioning element, positioning
Component limits its relative rotation；Or
The swivel nut fixation member, guiding parts, bolt pressing parts are equipped with radial through hole, and bolt pressing parts
Radial hole is long hole, and positioning element is slidably connected in long hole, and the long hole length has determined that bolt pressing parts are solid in swivel nut
Determine the stroke in the guide space of portion and guiding parts formation；
Wherein, the length of long hole is more than or equal to sleeve distance moved axially forward.
Further, the guiding parts front end is equipped with the conical surface, which matches with base material cone counterbore, the guide holder
Inner cavity is equipped with the interior step cooperated with sleeve outer step, for limiting set barrel stroke；Or
The guiding parts front end is planar structure, is suitable for installing insert studs in flat thread hole.
Further, the insert studs mounting device further includes tapping component, the swivel nut fixation member, guide part
It is coaxial after part, bolt pressing parts, percussion component assembling.
Further, it is formed after the swivel nut fixation member, guiding parts, bolt pressing parts, percussion component assembling
Buffer unit is installed in inner cavity；Or
The buffer unit front end is connected to the rear end inner chamber bottom surface of swivel nut fixation member, and the rear end of buffer unit is connected to
Tap the inner chamber bottom surface of component.
Further, bolt pressing parts rear end outer circle and percussion member forward end outer circle are equipped with annular knurl；Or it is described
Bolt pressing parts rear end and percussion member forward end are connected through a screw thread；Or
The bolt pressing parts and the percussion component are integrally formed.
Further, the percussion component rear end is equipped with circular cone feature.
Further, the swivel nut fixation member, guiding parts, the size of bolt pressing parts and insert studs specification ruler
It is very little to match；Or
The inscribed circle of the bolt consistency of thickness of the bolt pressing parts wall thickness and insert studs, inner wall size and bolt is straight
Diameter size is consistent, and outer diameter is consistent with the circumscribed circle diameter size of bolt；
The upper end outer diameter of the swivel nut fixation member is consistent with bolt pressing parts hole size；
The hole size of the guiding parts is consistent with bolt pressing parts outside diameter.
Further, for the bolt in telescopiny, sleeve distance moved axially forward is less than or equal to described insert
The length of pin；Sleeve distance moved axially forward is by the length of sleeve outer step and the length of guide holder limited step come really
It is fixed.Further, disclosed herein as well is insert studs installation methods, including：
Insert studs are screwed in swivel nut fixation member, guiding parts front end conical features are matched with base material cone counterbore,
And then ensure that the concentricity bolt of insert studs and base material screw hole is fully accommodated between swivel nut fixation member and guiding parts；
Component upper ends are tapped, the percussion impact force after buffering is vertically back and forth applied to insert studs
Bolt on, so that the bolt of insert studs gradually be wedged in base material screw hole, complete the installation of insert studs.
A kind of tire-mold, the insert studs installed including the use of above-mentioned insert studs mounting device.
Compared with prior art, the utility model has the beneficial effects that：
1, the swivel nut fixation member of the insert studs mounting device of the utility model, guiding parts, bolt pressing parts, strike
It hits after component assembling coaxially.The front end of swivel nut fixation member is equipped with external screw thread, the internal screw thread phase of external screw thread and insert studs
Match, the internal thread chamfering of the conical surface and insert studs that swivel nut fixation member front end is equipped with matches, and insert studs can elder generation and swivel nut
The thread spindle of fixation member screws, and after the internal thread chamfering and cone match of insert studs, then is assembled to spiral shell in base material
Line, to avoid bolt stress during swivel nut screws in, solves tradition assembly and causes to insert because assembly force is to screw torsion
The problem of selling stress bending, deformation.
2, the annular knurl of the bolt pressing parts upper end outer circle of the utility model and percussion component outer circle facilitates operator to carry out
It screws, avoid skidding and problem cannot be tightened.
3, the guiding parts front end of the utility model is equipped with conical features, matches with base material cone counterbore, ensure that work
It fills vertical with base material screw hole.Cone match ensure that the stability of installation when assembling stress.
4, the guiding parts inner cavity of the utility model is equipped with step, cooperates with bolt pressing parts outer step, to the two
Relative motion maximum distance limited, position-limiting action is equally played in positioning element and the cooperation of bolt pressing parts long hole, long
Hole length determines stroke of the bolt pressing parts in the guiding that swivel nut fixation member and guiding parts are formed, when avoiding assembly
Impact of the sleeve to base material.So as to avoid base material damage.
5, the swivel nut fixation member of the utility model is connected with guiding parts using positioning element, and guiding parts inner cavity is equipped with
Step and bolt pressing parts outer step cooperate, and when percussion assembly reaches range, the stress of sleeve is dispersed to swivel nut
Fixation member and guiding parts.Separately because buffer spring acts on respectively with swivel nut fixation member and tap the rear end and front end of component,
Component is tapped to connect with bolt pressing parts again.The impact force of percussion is dispersed, by swivel nut fixation member and guiding parts by spring
Buffering and abatement, to play the role of protecting workpiece and tooling.
6, the percussion component rear end of the utility model is equipped with circular cone feature, reduces forced area.Handle is tapped when percussion
Stress point concentrates on the center of circle, and assembly force caused by beating position deflection tilts when avoiding percussion, so as to avoid insert studs
The problem of assembly inclination or bolt are bent, fracture.
7, the tooling is the insert studs and screw rod that will be installed on swivel nut fixation member front end in a manner of being threadedly engaged
It is completely screwed into base material screw hole, guiding parts front end conical features are matched with base material cone counterbore, and then ensure insert studs
With the concentricity of base material screw hole, it ensure that tooling is vertical with base material screw hole.And the percussion impact force edge after buffering is made to hang down
Histogram is on the bolt for being back and forth applied to insert studs.It is perfect to gradually wedge the bolt of insert studs in base material screw hole
Completion insert studs installation.
8, the utility model had both guaranteed that swivel nut was lossless, no deformation, ensured that the primary success of installation；With it is simple and practical,
Advantage easy to operate, high in machining efficiency improves 4~7 times than conventional manual method processing efficiency.And the part consistency of processing
Good, product qualification rate 100%.
9, the utility model tooling is structure as a whole, bolt pressing parts upper end outer circle and the annular knurl for tapping component outer circle,
It is easy for assemble or unload.Tooling is simply small and exquisite, at low cost.This tooling can interior curved or excurvation becomes in assembling process to avoid bolt
Shape.Tapping component conical structure makes percussion stress concentration avoid striking partially.The bolt pressing parts of bolt cooperation are circle, the structure
It can be suitable for the insert studs that bolt is odd and even number simultaneously.For installation site direction without limitation, almost accomplish general.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the utility model mechanical structure overall schematic；
Structural schematic diagram before Fig. 2 is the utility model impact；
Fig. 3 is structural schematic diagram after the utility model impact；
Fig. 4 is insert studs structural schematic diagram；
Fig. 5 is the utility model tube-in-tube structure schematic diagram；
Fig. 6 is the utility model thread spindle structural schematic diagram；
Partial schematic diagram before Fig. 7 is the utility model impact；
Fig. 8 is partial schematic diagram after the utility model impact；
Fig. 9 is the perspective view of the explosion of the utility model；
Figure 10 is the schematic diagram that the utility model insert studs mounting device screws in insert studs；
In figure, 1, positioning pin, 2, thread spindle, 3, sleeve, 4, percussion handle, 5, guide holder, 6, buffer spring, 7, base material, 8,
Swivel nut, 9, bolt, 10, long hole, 11, the length of sleeve outer step, 12, the length of guide holder limited step.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It as background technique is introduced, exists in the prior art in traditional operation, bolt during insert studs screw in
Stress bending deformation；Be pressed into bolt during bolt it is flexible, inclination, fracture the problems such as, and tap disfiguring workpiece problem, cone
Counterbore threads hole insert studs are inconvenient to the problems such as installing, and in order to solve technical problem as above, present applicant proposes bolt spiral shells
Cover mounting device, method and its application.
In a kind of typical embodiment of the application, as shown in Figure 1, insert studs mounting device is provided, the bolt
Include swivel nut fixation member in swivel nut mounting device, guiding parts, bolt pressing parts, tap component, positioning element and buffering
Component, wherein swivel nut fixation member is preferably 2 structure of thread spindle in this embodiment example, and guiding parts is preferably this embodiment example
Middle 5 structure of guide holder, bolt pressing parts are preferably 3 structure of this embodiment example middle sleeve, and tapping component is preferably the present embodiment
4 structure of handle is tapped in son, buffer unit is preferably 6 structure of buffer spring in this embodiment example.
The insert studs specific structure of the application is shown in Fig. 4, including swivel nut 8 and bolt 9.
In order to ensure the concentricity of insert studs and base material screw hole in the application, thread spindle 1, sleeve 3, is tapped guide holder 5
Handle 4 is coaxial after assembling.
Thread spindle, guide holder, sleeve movement are limited in order to realize, thread spindle, guide holder, sleeve pass through positioning pin
Connection, on positioning pin fixed guide seat or on thread spindle, sleeve is in the gap between thread spindle and guide holder, threadingly axis
The axial movement for carrying out front and back, positioning pin can limit its stroke backward.Positioning pin can also limit thread spindle, guide holder,
The relative rotation of sleeve.Tube-in-tube structure as shown in figure 5, the upward range of sleeve is limited by positioning pin, downward movement by
The step of guide holder limits, and sleeve is located in the guiding clearance that thread spindle and guide holder are formed, and thread spindle, guide holder, sleeve are set
There is radial through hole, and sleeve radial hole is long hole, positioning pin is slidably connected in long hole 10, long hole and the positioning pin phase of sleeve
To sliding.
In order to realize the Fast Installation with insert studs, as shown in fig. 6, the application thread spindle front end is equipped with external thread of screw
And conical features, the internal screw thread of external screw thread and insert studs match, the internal thread chamfering face phase of the conical surface and insert studs
Match.Guide holder front end is equipped with conical features, matches with base material cone counterbore, and inner cavity is equipped with step, cooperates with sleeve outer step,
Its stroke is limited, avoids damaging base material when assembly.
In addition, 3 upper end outer circle of sleeve and tap handle outer circle annular knurl facilitate operator to screw, avoid skidding and not
Problem can be tightened.
5 front end of guide holder is equipped with conical features, matches with base material cone counterbore, ensure that tooling and base material screw hole are hung down
Directly.
It taps 4 rear end of handle and is equipped with circular cone feature, reduce forced area.The stress point that handle is tapped when percussion, which concentrates on, to be justified
The heart, assembly force caused by beating position deflection tilts when avoiding percussion, assembles inclination or bolt so as to avoid insert studs
The problem of being bent, fractureing.
It ensure that the stability of installation when assembling stress, 5 inner cavity of guide holder is equipped with step, with 3 outer step of sleeve
Position-limiting action is equally played in cooperation, positioning pin and the cooperation of 3 long hole of sleeve, and long hole length has determined sleeve 3 in thread spindle 2 and guiding
The stroke in guiding that seat 5 is formed, impact of the sleeve to base material 7 when avoiding assembling, so as to avoid the damage of base material 7.
The front end for tapping handle, which is equipped in screw rod, with sleeve, is equipped with threaded hole, and the two is connected through a screw thread.
Sleeve rear end is equipped with internal screw thread and inner cavity, screws with the external thread of screw for tapping handle and collectively constitutes spring cavity, screw thread
The rear end inner chamber bottom surface of axis is connect with buffer spring front end, and the rear end of buffer spring is connect with the inner chamber bottom surface for tapping handle.
Buffer spring 6 acts on respectively with thread spindle 2 and taps the rear end and front end of handle 4, and the impact force of percussion is delayed by spring
Punching and abatement, to play the role of protecting workpiece.
The thread spindle 2, guide holder 5 and sleeve 3 of the utility model can make the utility model can depending on the specification of swivel nut
It is suitble to the installation of different size insert studs.The bolt consistency of thickness of sleeve wall thickness and insert studs, inner wall size and bolt
Inscribed circle diameter size is consistent, and outer diameter is consistent with the circumscribed circle diameter size of bolt.The upper end outer diameter of the thread spindle with
Hub internal bore size is consistent, cooperates.The hole size of the guide holder is consistent with excircle of sleeve diameter, cooperates.Set
Cylinder slides in the guiding that thread spindle is formed with guide holder, and matches with bolt.Bolt is completely encapsulated in thread spindle and guiding
In the gap formed between seat, bolt is avoided to deform in telescopiny bending (interior curved or outer bending), or even from occurring
Fracture.
Specifically, bolt, in telescopiny, sleeve distance moved axially forward is less than or equal to the length of bolt.
Sleeve distance moved axially forward can by the length 11 of the length of long hole and/or sleeve outer step with lead
It is determined to the length 12 of seat limited step.When the length by long hole is to determine, before inlaying, positioning pin on sleeve
Position and after inlaying, distance when positioning pin is resisted against long hole one end is less than or equal to the length of bolt.
Preferably, sleeve distance moved axially forward is limited by the length 11 and guide holder of sleeve outer step
The length 12 of step determines.At this point, the length of long hole is more than or equal to sleeve distance moved axially forward.That is, the length of long hole
Degree is more than or equal to the length 11 of sleeve outer step.
In still another embodiment of the utility model, when 5 front end of guide holder is changed to planar structure, it is applicable to
Insert studs are installed in flat thread hole.Remaining structure is identical as above-described embodiment.
In another specific embodiment of the utility model, the specific structure before impacting is shown in Fig. 2, specific partial enlarged view
See Fig. 7, the concrete operation method of present embodiment insert studs mounting device：
1, the internal thread chamfering that insert studs screw on thread spindle up to insert studs is bonded completely with screw thread conical surface of shaft,
It is completely screwed into a manner of being threadedly engaged in base material screw hole together with the tooling.Guide holder front end conical features and base material bore counterbore
It matches, and then ensures the concentricity of insert studs Yu base material screw hole, ensure that tooling is vertical with base material screw hole.Bolt is complete
It is wrapped between thread spindle and guide holder, avoids outer incline in bolt.
2, handle upper end is tapped, the percussion impact force after buffering is vertically back and forth applied to insert studs
Bolt on.To which the bolt of insert studs gradually be wedged in base material screw hole.The perfect installation for completing insert studs, impact
Specific structure later is shown in that Fig. 3, specific partial enlarged view are shown in Fig. 8.
3, counter-rotating insert studs mounting device, thread spindle is light, quickly exits insert studs.Facilitate progress next
The installation of a insert studs.
The application of insert studs mounting device about the application, because the sleeve cooperated with bolt is circle, which can
It is suitable for the insert studs that bolt is odd and even number simultaneously.
The application perspective view of the explosion is as shown in figure 9, insert studs mounting device screws in schematic diagram such as Figure 10 of insert studs
It is shown.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. insert studs mounting device, characterized in that the mounting device includes：
Swivel nut fixation member, the swivel nut fixation member are threadedly coupled with swivel nut；
Guiding parts forms the gap for accommodating bolt between the guiding parts and the swivel nut fixation member；
Bolt pressing parts, the bolt pressing parts move in guiding parts under the effect of external force bolt being pressed into swivel nut
In.
2. insert studs mounting device as described in claim 1, characterized in that the swivel nut fixation member is thread spindle,
Front end is equipped with external thread of screw, and the internal screw thread of the external thread of screw and insert studs matches.
3. insert studs mounting device as described in claim 1, characterized in that the swivel nut fixation member, is inserted guiding parts
It sells pressing parts to connect by positioning element, positioning element limits its relative rotation；Or
The swivel nut fixation member, guiding parts, bolt pressing parts are equipped with radial through hole, and bolt pressing parts are radial
Hole is long hole, and positioning element is slidably connected in long hole, and the long hole length has determined bolt pressing parts in swivel nut fixed part
The stroke in guide space formed with guiding parts；
The length of long hole is more than or equal to sleeve distance moved axially forward.
4. insert studs mounting device as described in claim 1, characterized in that the guiding parts front end is equipped with the conical surface, should
The conical surface is matched with base material cone counterbore, and the inner cavity of the guiding parts is equipped with the interior step cooperated with sleeve outer step, for limiting
System set barrel stroke；Or
The guiding parts front end is planar structure, is suitable for installing insert studs in flat thread hole.
5. insert studs mounting device as described in claim 1, characterized in that the insert studs mounting device further includes striking
Hit component, the swivel nut fixation member, guiding parts, bolt pressing parts, tap it is coaxial after component assembling.
6. insert studs mounting device as described in claim 1, characterized in that the swivel nut fixation member, is inserted guiding parts
Buffer unit is installed in the inner cavity formed after pin pressing parts, percussion component assembling；Or
The buffer unit front end is connected to the rear end inner chamber bottom surface of swivel nut fixation member, and the rear end of buffer unit is connected to percussion
The inner chamber bottom surface of component.
7. insert studs mounting device as described in claim 1, characterized in that bolt pressing parts rear end outer circle and strike
It hits member forward end outer circle and is equipped with annular knurl；The percussion component rear end is equipped with circular cone feature.
8. insert studs mounting device as described in claim 1, characterized in that bolt pressing parts rear end and percussion portion
Part front end is connected through a screw thread；Or
Bolt pressing parts and percussion component are integrally formed.
9. insert studs mounting device as claimed in claim 3, characterized in that the bolt is in telescopiny, the sleeve
Distance moved axially forward is less than or equal to the length of the bolt；
Or, sleeve distance moved axially forward by the length of sleeve outer step and the length of guide holder limited step come
It determines.
10. a kind of tire-mold, characterized in that install dress including the use of any insert studs of the claims 1-9
Set the bolt of installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820276917.8U CN208153512U (en) | 2018-02-27 | 2018-02-27 | Insert studs mounting device and its tire-mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820276917.8U CN208153512U (en) | 2018-02-27 | 2018-02-27 | Insert studs mounting device and its tire-mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208153512U true CN208153512U (en) | 2018-11-27 |
Family
ID=64382775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820276917.8U Active CN208153512U (en) | 2018-02-27 | 2018-02-27 | Insert studs mounting device and its tire-mold |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450100A (en) * | 2019-07-20 | 2019-11-15 | 中国船舶重工集团公司第七二四研究所 | Revolve embedding integrated Rapid reset insert studs mounting device |
| CN112621660A (en) * | 2020-12-08 | 2021-04-09 | 青岛中科国晟动力科技有限公司 | Gas turbine bolt turnbuckle installation tool and installation method |
| CN113573850A (en) * | 2019-06-04 | 2021-10-29 | 株式会社三友精机 | Insert tool and insert method |
| CN114211233A (en) * | 2021-12-01 | 2022-03-22 | 贵州航天精工制造有限公司 | Bolt thread sleeve mounting method and bolt thread sleeve mounting tool |
-
2018
- 2018-02-27 CN CN201820276917.8U patent/CN208153512U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113573850A (en) * | 2019-06-04 | 2021-10-29 | 株式会社三友精机 | Insert tool and insert method |
| CN113573850B (en) * | 2019-06-04 | 2023-05-02 | 株式会社三友精机 | Insert tool and insert method |
| CN110450100A (en) * | 2019-07-20 | 2019-11-15 | 中国船舶重工集团公司第七二四研究所 | Revolve embedding integrated Rapid reset insert studs mounting device |
| CN112621660A (en) * | 2020-12-08 | 2021-04-09 | 青岛中科国晟动力科技有限公司 | Gas turbine bolt turnbuckle installation tool and installation method |
| CN114211233A (en) * | 2021-12-01 | 2022-03-22 | 贵州航天精工制造有限公司 | Bolt thread sleeve mounting method and bolt thread sleeve mounting tool |
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