CN108724092A - A kind of forced mounting tool of the inner cylinder of stability under loading - Google Patents
A kind of forced mounting tool of the inner cylinder of stability under loading Download PDFInfo
- Publication number
- CN108724092A CN108724092A CN201811043599.1A CN201811043599A CN108724092A CN 108724092 A CN108724092 A CN 108724092A CN 201811043599 A CN201811043599 A CN 201811043599A CN 108724092 A CN108724092 A CN 108724092A
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- China
- Prior art keywords
- contact
- inner cylinder
- stability under
- under loading
- mounting tool
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Classifications
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- 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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
A kind of forced mounting tool of the inner cylinder of stability under loading, including：Mounting bracket, the mounting bracket include bottom surface and upper top surface, and the bottom surface and the upper top surface are arranged in parallel, and are fixed by the connecting rod connection；Positioning plate, the positioning plate is located above the bottom surface, and there are location holes at center；Inner cylinder is installed, the installation inner cylinder is opening up to be placed at the location hole；Pressing mechanism, the pressing mechanism is installed at the upper top surface, including the ramming stem being vertically arranged, with the stop collar and drive disk of ramming stem cooperation, the stop collar and the upper top surface are affixed, the drive disk is located at the action for having rotation above the stop collar, is connected with below the ramming stem and stablizes component with the indentation of the installation inner cylinder register.The present invention drives pressing mechanism using variable-frequency motor, and indentation is arranged at the indentation end of pressing mechanism and stablizes stability under loading when component makes workpiece indentation installation, and does not exceed maximum bearing capacity.
Description
Technical field
The present invention relates to assembly tool field, more specifically to a kind of forced erector of the inner cylinder of stability under loading
Dress.
Background technology
During assembling parts, need to use tooling there are many in the case of.Especially for need control assembly dynamics
Workpiece, dynamics is less than normal to be caused to assemble insufficient strength or rigging position is not in place, and dynamics is bigger than normal to cause part impaired, than
Such as say that installation bolt usually needs to use torque wrench.And frangible or yielding workpiece installation is pressed into cylinder and is also required to
Control dynamics size, dynamics is too small to be pressed into place, and dynamics is easy workpiece crushing or compressive strain greatly very much.Therefore, it is badly in need of setting
Count a kind of tooling stablized workpiece in indentation cylinder.
Invention content
The present invention provides a kind of forced mounting tool of the inner cylinder of stability under loading, this hair in view of the deficiencies of the prior art
The forced mounting tool of inner cylinder of bright stability under loading drives pressing mechanism using variable-frequency motor, and in the indentation of pressing mechanism
End is arranged indentation and stablizes component, and the load force that component is stablized in indentation feeds back to rotating speed and rotation that controller controls variable-frequency motor
Direction, stability under loading when workpiece indentation being made to install, and not exceeding maximum bearing capacity causes workpiece impaired.
The specific technical solution of the present invention is as follows, a kind of forced mounting tool of the inner cylinder of stability under loading, including：
Mounting bracket, the mounting bracket include bottom surface and upper top surface, and the bottom surface and the upper top surface are arranged in parallel, and pass through
Connecting rod is fixedly connected；
Positioning plate, the positioning plate is located above the bottom surface, and there are location holes at center；
Inner cylinder is installed, the installation inner cylinder is opening up to be placed at the location hole；
Pressing mechanism, the pressing mechanism are installed at the upper top surface, including the ramming stem being vertically arranged, with the ramming stem
The stop collar and drive disk of cooperation, the stop collar and the upper top surface are affixed, and the drive disk is located above the stop collar
Have the action of rotation, is connected with below the ramming stem and stablizes component with the indentation of the installation inner cylinder register.
It is close concentric with the ramming stem consistency from top to bottom after the installation inner cylinder is placed on the positioning plate as a result, by work
Part is acted on by the pressing mechanism after being placed at the installation inner cylinder upper opening and workpiece is pressed into the installation inner cylinder, works as pressure
When on earth, if workpiece damage can be led to by continuing to push more than certain load, therefore the stable component of the indentation, which is arranged, makes workpiece be pressed into
When stability under loading.
As a preference of the present invention, straight-line groove of the ramming stem surface equipped with external screw thread and along its length, described
There is the bayonet engaged with the straight-line groove inside stop collar, there is the interior spiral shell coordinated with the external screw thread inside the drive disk
Line.
Energy under position-limiting action of the ramming stem under the driving disc spins screw drive power with the stop collar as a result,
It enough moves up and down, plays the role of workpiece being pressed into the installation inner cylinder and lifting restoring.
As a preference of the present invention, being equipped with the toothed disc concentric with the drive disk, the upper top below the drive disk
Variable-frequency motor is installed positioned at the gear disc side at face, the variable-frequency motor output shaft is equipped with to be coordinated with the toothed disc
Gear.
The pressing mechanism not only can be by the drive disk manual manipulation as a result, but also can be driven by the variable-frequency motor
The drive disk manipulation.
As a preference of the present invention, it includes the first buffer board, the second buffer board from lower to upper that component is stablized in the indentation
With third buffer board, the first buffer spring group is equipped between first buffer board and second buffer board, described second is slow
The second buffer spring group is equipped between punching and the third buffer board.
As a result, during the indentation stablizes component and pushes workpiece, first buffer board and second buffering
Plate plays cushioning effect under the action of the first buffer spring group and the second buffer spring group, makes described in workpiece indentation
Inner cylinder process stability under loading is installed.
As a preference of the present invention, be equipped with the first contact above first buffer board, below second buffer board with
The opposite position in first contact is equipped with the second contact；Third contact is equipped with above second buffer board, the third is slow
The position opposite with the third contact is equipped with the 4th contact below punching；First contact and second contact constitute electricity
Circuit, the third contact and the 4th contact constitute electrical circuit.
First contact and second contact form switch open in usual, first buffer board and described as a result,
Two buffer boards are closed after closing up；The third contact and the 4th contact form switch open in usual, second buffer board and
The third buffer board is closed after closing up.
As a preference of the present invention, the second buffer spring group compression travel is compressed more than the first buffer spring group
Stroke, and the elasticity modulus of the second buffer spring group is more than the elasticity modulus of the first buffer spring group.
It is connect as a preference of the present invention, the first buffer spring group is compressed to first contact and second contact
When touching, decrement when the second buffer spring group decrement is not more than the third contact and four contact
20%。
The second buffer spring group buffer distance is bigger than the first buffer spring group buffer distance as a result, buffering effect
Fruit is more preferable.
As a preference of the present invention, when the third contact and four contact, the second buffer spring group
Elastic force is the 1/4 ~ 2/3 of workpiece maximum bearing capacity.
Pressure is limited by the second buffer spring group under the ramming stem as a result, makes workpiece stability under loading, is installed into institute
It will not be damaged by pressure when stating installation inner cylinder；If the maximum bearing capacity of workpiece be 600N, the maximum lower pressure of ramming stem be 150N ~
400N ensures certain lower pressure and will not make lower hypertonia.
As a preference of the present invention, the variable-frequency motor is controlled by controller；First contact and second contact
When contact, the controller controls the variable-frequency motor and slows down；When the third contact and four contact, the control
Device processed controls the variable-frequency motor and reversely rotates.
The controller can be PLC, when first contact and second contact, the variable-frequency motor
It is decelerated to low speed rotation, but not is stopped, mobile inertia is pushed to reduce the ramming stem；The third contact and described
When four contacts, there is stable pressure that workpiece is pressed into the installation inner cylinder, the controller controls the frequency conversion
Motor reversal makes the ramming stem rise automatically.
In conclusion the invention has the advantages that：
The forced mounting tool of inner cylinder of the stability under loading of the present invention drives pressing mechanism using variable-frequency motor, and in pressing machine
Component is stablized in the indentation end setting indentation of structure, and the load force for being pressed into stable component feeds back to the rotating speed of controller control variable-frequency motor
And rotation direction, stability under loading when workpiece indentation being made to install, and not exceeding maximum bearing capacity causes workpiece impaired.
Description of the drawings
Fig. 1 is the front view of the forced mounting tool of inner cylinder of stability under loading of the present invention；
Fig. 2 is that the partial enlarged view at component is stablized in the forced mounting tool indentation of inner cylinder of stability under loading of the present invention；
In figure, 1- mounting brackets, 11- bottom surfaces, the upper top surfaces 12-, 13- connecting rods, 2- positioning plates, 21- location holes, 3- installation in
Cylinder, 4- pressing mechanisms, 41- ramming stems, 411- external screw threads, 412- straight-line grooves, 42- stop collars, 43- drive disks, 431- toothed discs,
44- indentation stablize component, the first buffer boards of 441-, the first contacts 4411-, the second buffer boards of 442-, the second contacts 4421-,
4422- thirds contact, 443- thirds buffer board, the 4th contacts 4431-, the first buffer springs of 444- group, the second buffering elastics of 445-
Spring group, 5- variable-frequency motors, 51- gears.
Specific implementation mode
Below in conjunction with attached drawing, by specific embodiment, the invention will be further described.
Such as Fig. 1, a kind of forced mounting tool of the inner cylinder of stability under loading, including：
Mounting bracket 1, mounting bracket 1 include bottom surface 11 and upper top surface 12, and bottom surface 11 and upper top surface 12 are arranged in parallel, and pass through company
Extension bar 13 is fixedly connected；
Positioning plate 2, positioning plate 2 is located at 11 top of bottom surface, and there are location holes 21 at center；
Inner cylinder 3 is installed, inner cylinder 3 is opening up is placed at location hole 21 for installation；
Pressing mechanism 4, pressing mechanism 4 are installed at top surface 12, including the ramming stem 41 being vertically arranged, and are coordinated with ramming stem 41
Stop collar 42 and drive disk 43, stop collar 42 and upper top surface 12 are affixed, and drive disk 43 is located at the top of stop collar 42 and has rotation
Action, the lower section of ramming stem 41 is connected with stablizes component 44 with the indentation of installation 3 register of inner cylinder.
It is close concentric with 41 consistency from top to bottom of ramming stem after installation inner cylinder 3 is placed on positioning plate 2 as a result, workpiece is placed on peace
Workpiece is pressed into installation inner cylinder 3 by the effect of pressing mechanism 4 after filling at 3 upper opening of inner cylinder, when being pressed onto bottom, if more than certain
Load, which continues to push, can lead to workpiece damage, therefore indentation is arranged and stablizes stability under loading when component 44 makes workpiece be pressed into.
Such as Fig. 1, a kind of forced mounting tool of the inner cylinder of stability under loading according to claim 1, it is characterised in that：Indentation
Straight-line groove 412 of 41 surface of bar equipped with external screw thread 411 and along its length, 42 inside of stop collar exists and straight-line groove 412 blocks
There is the internal thread coordinated with external screw thread 411 in the bayonet of conjunction, 43 inside of drive disk.
It as a result, can be upper and lower under position-limiting action of the ramming stem 41 in the case where drive disk 43 rotates screw drive power with stop collar 42
It is mobile, play the role of workpiece being pressed into installation inner cylinder 3 and lifting restoring.
Such as Fig. 1, a kind of forced mounting tool of the inner cylinder of stability under loading according to claim 2, it is characterised in that：Driving
The lower section of disk 43 is equipped with the toothed disc 431 concentric with drive disk 43, and variable-frequency electric is equipped with positioned at 431 side of toothed disc at upper top surface 12
Machine 5,5 output shaft of variable-frequency motor are equipped with the gear 51 coordinated with toothed disc 431.
Pressing mechanism 4 not only can be by 43 manual manipulation of drive disk as a result, but also can drive drive disk 43 by variable-frequency motor 5
Manipulation.
As shown in Figure 1, Figure 2, the forced mounting tool of inner cylinder of a kind of stability under loading according to claim 3, it is characterised in that：
It includes the first buffer board 441, the second buffer board 442 and third buffer board 443 from lower to upper that component 44 is stablized in indentation, and first is slow
The first buffer spring group 444, the second buffer board 442 and third buffer board 443 are equipped between punching 441 and the second buffer board 442
Between be equipped with the second buffer spring group 445.
As a result, during indentation stablizes component 44 and pushes workpiece, the first buffer board 441 and the second buffer board 442 exist
Cushioning effect is played under the action of first buffer spring group 444 and the second buffer spring group 445, makes workpiece indentation installation inner cylinder 3
Process stability under loading.
Such as Fig. 2, a kind of forced mounting tool of the inner cylinder of stability under loading according to claim 4, it is characterised in that：First
The top of buffer board 441 is equipped with the first contact 4411, and 442 lower section of the second buffer board position opposite with the first contact 4411 is equipped with the
Two contacts 4421；Second buffer board, 442 top is equipped with third contact 4422,443 lower section of third buffer board and third contact 4422
Opposite position is equipped with the 4th contact 4431；First contact 4411 and the second contact 4421 constitute electrical circuit, third contact 4422
Electrical circuit is constituted with the 4th contact 4431.
The first contact 4411 and the second contact 4421 form switch open in usual, the first buffer board 441 and second buffering as a result,
Plate 442 is closed after closing up；Third contact 4422 and the 4th contact 4431 form switch open in usual, the second buffer board 442 and third
Buffer board 443 is closed after closing up.
Such as Fig. 2, a kind of forced mounting tool of the inner cylinder of stability under loading according to claim 5, it is characterised in that：Second
445 compression travel of buffer spring group is more than 444 compression travel of the first buffer spring group, and the elasticity of the second buffer spring group 445
Modulus is more than the elasticity modulus of the first buffer spring group 444.
Such as Fig. 2, a kind of forced mounting tool of the inner cylinder of stability under loading according to claim 6, it is characterised in that：First
When buffer spring group 444 is compressed to the first contact 4411 and the contact of the second contact 4421,445 decrement of the second buffer spring group is not
The 20% of decrement when being contacted more than third contact 4422 and the 4th contact 4431.
445 buffer distance of the second buffer spring group is bigger than 444 buffer distance of the first buffer spring group as a result, buffering effect
More preferably.
Such as Fig. 2, a kind of forced mounting tool of the inner cylinder of stability under loading according to claim 7, it is characterised in that：Third
When contact 4422 and the 4th contact 4431 contact, 445 elastic force of the second buffer spring group is the 1/4 ~ 2/ of workpiece maximum bearing capacity
3。
41 times pressure of ramming stem are limited by the second buffer spring group 445 as a result, are made workpiece stability under loading, are installed into installation
It will not be damaged by pressure when inner cylinder 3；If the maximum bearing capacity of workpiece is 600N, the maximum lower pressure of ramming stem 41 is 150N ~ 400N, is protected
It demonstrate,proves certain lower pressure and lower hypertonia will not be made.
As shown in Figure 1, Figure 2, the forced mounting tool of inner cylinder of a kind of stability under loading according to claim 7, it is characterised in that：
Variable-frequency motor 5 is controlled by controller；When first contact 4411 and the second contact 4421 contact, controller control variable-frequency motor 5 subtracts
Speed；When third contact 4422 and the 4th contact 4431 contact, controller controls variable-frequency motor 5 and reversely rotates.
Controller can be PLC, and when the first contact 4411 and the second contact 4421 contact, variable-frequency motor 5 is decelerated to low speed
Rotation, but not stop, pushing mobile inertia to reduce ramming stem 41；Third contact 4422 and the contact of the 4th contact 4431
When, there is stable pressure that workpiece is pressed into installation inner cylinder 3, the controller control reversion of variable-frequency motor 5 keeps ramming stem 41 automatic
Rise.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the design of the present invention
It is defined with range.Under the premise of not departing from design concept of the present invention, technical side of the ordinary people in the field to the present invention
The all variations and modifications that case is made, should all drop into protection scope of the present invention, the claimed technology contents of the present invention,
Through all recording in detail in the claims.
Claims (9)
1. a kind of forced mounting tool of the inner cylinder of stability under loading, which is characterized in that including：
Mounting bracket（1）, the mounting bracket（1）Including bottom surface（11）With upper top surface（12）, the bottom surface（11）On described
Top surface（12）It is arranged in parallel, and passes through connecting rod（13）It is fixedly connected；
Positioning plate（2）, the positioning plate（2）Positioned at the bottom surface（11）Top, and there are location holes at center（21）；
Inner cylinder is installed（3）, the installation inner cylinder（3）It is opening up to be placed in the location hole（21）Place；
Pressing mechanism（4）, the pressing mechanism（4）It is installed on the upper top surface（12）Locate, including the ramming stem being vertically arranged
（41）, with the ramming stem（41）The stop collar of cooperation（42）And drive disk（43）, the stop collar（42）With the upper top surface
（12）It is affixed, the drive disk（43）Positioned at the stop collar（42）Top has the action of rotation, the ramming stem（41）Under
Side is connected with and the installation inner cylinder（3）Component is stablized in the indentation of register（44）.
2. a kind of forced mounting tool of inner cylinder of stability under loading according to claim 1, it is characterised in that：The indentation
Bar（41）Surface is equipped with external screw thread（411）And straight-line groove along its length（412）, the stop collar（42）Inside exist with
The straight-line groove（412）The bayonet of engaging, the drive disk（43）Inside exists and the external screw thread（411）The interior spiral shell of cooperation
Line.
3. a kind of forced mounting tool of inner cylinder of stability under loading according to claim 2, it is characterised in that：The driving
Disk（43）Lower section is equipped with and the drive disk（43）Concentric toothed disc（431）, the upper top surface（12）Place is located at the gear
Disk（431）Side is equipped with variable-frequency motor（5）, the variable-frequency motor（5）Output shaft is equipped with and the toothed disc（431）Cooperation
Gear（51）.
4. a kind of forced mounting tool of inner cylinder of stability under loading according to claim 3, it is characterised in that：The indentation
Stablize component（44）Including the first buffer board from lower to upper（441）, the second buffer board（442）With third buffer board（443）, institute
State the first buffer board（441）With second buffer board（442）Between be equipped with the first buffer spring group（444）, described second is slow
Punching（442）With the third buffer board（443）Between be equipped with the second buffer spring group（445）.
5. a kind of forced mounting tool of inner cylinder of stability under loading according to claim 4, it is characterised in that：Described first
Buffer board（441）Top is equipped with the first contact（4411）, second buffer board（442）Lower section and first contact（4411）
Opposite position is equipped with the second contact（4421）；Second buffer board（442）Top is equipped with third contact（4422）, described
Three buffer boards（443）Lower section and the third contact（4422）Opposite position is equipped with the 4th contact（4431）；Described first touches
Point（4411）With second contact（4421）Constitute electrical circuit, the third contact（4422）With the 4th contact（4431）
Constitute electrical circuit.
6. a kind of forced mounting tool of inner cylinder of stability under loading according to claim 5, it is characterised in that：Described second
Buffer spring group（445）Compression travel is more than the first buffer spring group（444）Compression travel, and second buffer spring
Group（445）Elasticity modulus be more than the first buffer spring group（444）Elasticity modulus.
7. a kind of forced mounting tool of inner cylinder of stability under loading according to claim 6, it is characterised in that：Described first
Buffer spring group（444）It is compressed to first contact（4411）With second contact（4421）When contact, described second is slow
Rush groups of springs（445）Decrement is not more than the third contact（4422）With the 4th contact（4431）Decrement when contact
20%。
8. a kind of forced mounting tool of inner cylinder of stability under loading according to claim 7, it is characterised in that：The third
Contact（4422）With the 4th contact（4431）When contact, the second buffer spring group（445）Elastic force is that workpiece is maximum
The 1/4 ~ 2/3 of bearing capacity.
9. a kind of forced mounting tool of inner cylinder of stability under loading according to claim 7, it is characterised in that：The frequency conversion
Motor（5）It is controlled by controller；First contact（4411）With second contact（4421）When contact, the controller control
Make the variable-frequency motor（5）Slow down；The third contact（4422）With the 4th contact（4431）When contact, the controller
Control the variable-frequency motor（5）It reversely rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811043599.1A CN108724092B (en) | 2018-09-07 | 2018-09-07 | Inner tube push-in type installation frock that atress is stable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811043599.1A CN108724092B (en) | 2018-09-07 | 2018-09-07 | Inner tube push-in type installation frock that atress is stable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108724092A true CN108724092A (en) | 2018-11-02 |
| CN108724092B CN108724092B (en) | 2023-06-20 |
Family
ID=63941870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811043599.1A Active CN108724092B (en) | 2018-09-07 | 2018-09-07 | Inner tube push-in type installation frock that atress is stable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108724092B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666740A (en) * | 2019-10-23 | 2020-01-10 | 中国电子科技集团公司第二十九研究所 | Assembling and disassembling tool for SMP (symmetrical multi processing) radio frequency coaxial connector and using method thereof |
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| DE3522167A1 (en) * | 1984-07-20 | 1986-01-23 | VE Backwarenkombinat Dresden, DDR 8016 Dresden | Fitting device |
| JPH0929452A (en) * | 1995-07-19 | 1997-02-04 | Kanto Auto Works Ltd | Pressure detection device for spot welding machine |
| CN103567961A (en) * | 2013-10-28 | 2014-02-12 | 奇瑞汽车股份有限公司 | Press fitting equipment and method for rubber ring of torsion damper |
| CN206272455U (en) * | 2016-12-16 | 2017-06-20 | 智德电机（苏州）有限公司 | A kind of novel motor rotor bearing press-in device |
| CN206550944U (en) * | 2017-02-23 | 2017-10-13 | 厦门精合电气自动化有限公司 | It is a kind of to realize spring synchronous compression and the device of assembling |
| CN206810859U (en) * | 2017-02-17 | 2017-12-29 | 郭磊 | A kind of screwdown gear of rolling mill |
| CN206898739U (en) * | 2017-06-02 | 2018-01-19 | 力茨（江苏）机电装备有限公司 | A kind of flexible press device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3522167A1 (en) * | 1984-07-20 | 1986-01-23 | VE Backwarenkombinat Dresden, DDR 8016 Dresden | Fitting device |
| JPH0929452A (en) * | 1995-07-19 | 1997-02-04 | Kanto Auto Works Ltd | Pressure detection device for spot welding machine |
| CN103567961A (en) * | 2013-10-28 | 2014-02-12 | 奇瑞汽车股份有限公司 | Press fitting equipment and method for rubber ring of torsion damper |
| CN206272455U (en) * | 2016-12-16 | 2017-06-20 | 智德电机（苏州）有限公司 | A kind of novel motor rotor bearing press-in device |
| CN206810859U (en) * | 2017-02-17 | 2017-12-29 | 郭磊 | A kind of screwdown gear of rolling mill |
| CN206550944U (en) * | 2017-02-23 | 2017-10-13 | 厦门精合电气自动化有限公司 | It is a kind of to realize spring synchronous compression and the device of assembling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666740A (en) * | 2019-10-23 | 2020-01-10 | 中国电子科技集团公司第二十九研究所 | Assembling and disassembling tool for SMP (symmetrical multi processing) radio frequency coaxial connector and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108724092B (en) | 2023-06-20 |
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| CB02 | Change of applicant information |
Address after: 313000 Beihu Street, Wukang Town, Deqing County, Huzhou City, Zhejiang Province Applicant after: ZHEJIANG MILITARY INDUSTRY GROUP Co.,Ltd. Address before: 313000 Beihu Street, Wukang Town, Deqing County, Huzhou City, Zhejiang Province Applicant before: ZHEJIANG JIEFANG MACHINERY MANUFACTURE CO.,LTD. Address after: 313000 No. 168, Beihu East Street, Wukang street, Deqing County, Huzhou City, Zhejiang Province Applicant after: Zhejiang Military Industry Group Co.,Ltd. Address before: 313000 Beihu Street, Wukang Town, Deqing County, Huzhou City, Zhejiang Province Applicant before: ZHEJIANG MILITARY INDUSTRY GROUP Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |