CN102335901B - Rotary installation machine of movable optical-fiber connector - Google Patents
Rotary installation machine of movable optical-fiber connector Download PDFInfo
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- CN102335901B CN102335901B CN 201110294727 CN201110294727A CN102335901B CN 102335901 B CN102335901 B CN 102335901B CN 201110294727 CN201110294727 CN 201110294727 CN 201110294727 A CN201110294727 A CN 201110294727A CN 102335901 B CN102335901 B CN 102335901B
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- driving wheel
- sleeve
- push rod
- fiber connector
- movable optical
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Abstract
The invention discloses a rotary installation machine of a movable optical-fiber connector, which is characterized in that a base is provided with a friction-drive driving wheel in a rotating mode; a pressure head which forms a three-point positioning structure with the outer wheel edge of the driving wheel is installed near the outer wheel edge of the driving wheel; and the pressure head is in drive connection with a reciprocating drive mechanism. The rotary installation machine also comprises a fixture used for stopping a front positioning sleeve to rotate, wherein the fixture is connected with a torque control device for limiting a rotation degree between the front positioning sleeve and a connection sleeve. The phenomenon that the burrs of the workpiece hurt people in the manual assembling process can be avoided, and the assembling efficiency is greatly improved. Meanwhile, the defect that manual assembling and rotary installation can not achieve proper position, and screwing force is small can be overcome, the one-time assembling percent of pass of the movable optical-fiber connector is greatly improved, the phenomenon of pad control increase in the use process can be avoided, and the production and use cost of the movable optical-fiber connector can be lowered.
Description
Technical field
The present invention relates to a kind of joints of optical fibre make-up machinery, definite saying relates to the rotary installing machine for truck of the fine flexible jumper of a kind of automatic mounting luminous intensity distribution.
Background technology
At present, existing a kind of fiber active linker as shown in Figure 1 and Figure 2, this connector comprises that mainly prelocalization sleeve 1, outer sleeve 2, contact pin 3, spring 4, branch sleeve 5, rearmounted sleeve 6, snap ring 7 and tail cover 8 form, the front end outer peripheral face of prelocalization sleeve 1 be provided with for plinth location only screw close only revolve key, its rear end is provided with internal thread, the front end of branch sleeve 5 corresponding be provided with the external screw thread that spins with prelocalization sleeve 1 internal thread, outer peripheral face in its back-end is provided with the anti-skid structure that is fixedly connected with for rearmounted sleeve 6.During the assembling of this fiber active linker, the fibre core 9 of optical fiber passes successively tail cover 8, snap ring 7, rearmounted sleeve 6, branch sleeve 5, spring 4 and is fixed in contact pin 3, and branch sleeve 5 passes outer sleeve 2 spinnings and form connector on prelocalization sleeve 1.At present, this fiber active linker mainly relies on man-made assembly.During assembling, the front end that the workman pinches prelocalization sleeve 1 on the other hand only revolves the key place, grapples on the other hand the anti-skid structure place, rear end of branch sleeve 5, with branch sleeve 5 and prelocalization sleeve 1 spinning together.the small volume of this fiber active linker, certain difficulty is arranged when therefore assembling, cause efficiency of assembling lower, and due to reasons such as machining accuracies, sharp burr often appears in each parts of this fiber active linker, scratch workman's hand, if and the assembling that puts on one's gloves, because parts are less, the workman is difficult to pinch parts with hand on the one hand, the application of force is difficulty comparatively, the difficulty of assembling increases, can reduce on the other hand the feel of workman when assembling, it is not in place that the connector spinning easily appears, the phenomenon that the dynamics that screws is low, can cause optical fiber attenuation to increase during use, therefore the assembly quality of this fiber active linker is difficult to improve all the time at present, affect the use of connector.
Summary of the invention
The objective of the invention is: a kind of rotary installation machine of movable optical-fiber connector that utilizes the machinery assembling is provided, and it drives the branch sleeve rotation by Mechanical Driven and spins with the prelocalization sleeve, thereby solves the problem that hand assembled efficient is low, spinning is not in place.
technical scheme of the present invention is: a kind of rotary installation machine of movable optical-fiber connector, comprise base, it is characterized in that, be rotatably equipped with a driving wheel that is driven by actuating unit on described base, driving wheel is provided with for the outer rim that relies on friction-driven fiber active linker branch sleeve, outer rim at this driving wheel is attached with a pressure head, this pressure head has two and spaced apartly is used for be used to being clamped in the clamping part on the branch sleeve outer surface and being provided with between two clamping parts the accommodation section that holds branch sleeve, be formed for the three-point fix structure of spacing compression branch sleeve between two clamping parts of pressure head and the outer rim of driving wheel, be connected with at the pressure head upper driving and drive it along the driving wheel radial action, compress or loosen the reciprocating drive mechanism of branch sleeve with respect to the driving wheel outer rim, comprise that also one is used for stopping the fixture that spinning is joined the prelocalization sleeve, be connected with on this fixture for the torque control device that limits degree of screwing between prelocalization sleeve and branch sleeve.
Be positioned at its rearward end away from driving wheel and also be fixed with a push rod that radially extends along driving wheel on described pressure head, be fixed with described reciprocating drive mechanism in the rear end of this push rod and be in transmission connection, be used for the elastic pressuring clamping device that the restriction pressure head compresses dynamics.
Described driving wheel is horizontal axis and is arranged on base, and described push rod is horizontally disposed with, and the extension line of push rod center line passes the axle center of driving wheel, and is only revolving slidable fit on its bearing of trend in a fixed leg that vertically is fixed on base.
Described elastic pressuring clamping device comprises the adapter sleeve that is fixedly set in one heart the push rod rear end, axially slidable fit has a push rod that is in transmission connection with reciprocating drive mechanism in this adapter sleeve, in radially being provided with, the running-on place, rear end of adapter sleeve turns edge, on the periphery of push rod radial convex be provided with this adapter sleeve in the outward flange that the axial limiting block coordinates that turns edge, be top-loaded with holddown spring between the front end of push rod and push rod rear end.
Described reciprocating drive mechanism is electromagnet, and the rear end of described push rod coordinates with this electromagnet armature pushing tow, and is provided with a back-moving spring that is sleeved on push rod between adapter sleeve and fixed leg.
Be separately installed with on two clamping parts of described pressure head for the pinch roller that is rotatably assorted with the branch sleeve surface, the axis of two pinch rollers is parallel with the axis of driving wheel, and the outer rim of this two pinch roller and driving wheel consists of described three-point fix structure when compressing branch sleeve.
Described fixture comprises that is used for a hand-held mounting rod, offer the jack for plug-in mounting prelocalization sleeve on an end end face of mounting rod, the hole wall of jack be provided with for the prelocalization sleeve on only revolve the key corresponding matching only revolve structure, described torque control device comprises the pressing plate that is vertically fixed on mounting rod, is provided with one below pressing plate and contacts the elastic pressure switch that coordinates, is used for controlling reciprocating drive mechanism and/or driving wheel actuating unit with pressing plate being positioned on the driving wheel direction of rotation.
Described elastic pressure switch comprises the outer tube that vertically is fixed on the pressing plate below, in outer tube, vertical slidable fit has one to contact with pressing plate the middle contact that coordinates, be top-loaded with a compression spring in the bottom of middle contact, level is fixed with a pressing plate on middle contact, is being installed with a microswitch that is triggered by pressing plate after middle contact pressurized moves near the base outer tube.
The outer rim of described driving wheel is fixing sheathed rubber sleeve.
in rotary installation machine of movable optical-fiber connector of the present invention, it is by coordinating the three-point fix structure that forms to be fixedly connected with sleeve between pressure head and driving wheel, and utilize fixture only to be rotated with and decide the prelocalization sleeve, frictional force by driving wheel coordinates the rotation of driving branch sleeve with pressure head, thereby utilize mechanical installation mode to complete screwing of fiber active linker, it compared with prior art, not only avoided the burr of workpiece in the hand assembled process phenomenon of hurting sb.'s feelings, and the assembling speed of connector is brought up to one of several second by per minute of original manual assembly, make efficiency of assembling greatly improve, simultaneously, in the spinning process, branch sleeve can coordinate with torque control device by fixture with the dynamics that screws between the prelocalization sleeve and obtained effective control, overcome the defective that the hand assembled spinning is not in place and the dynamics that screws is little, an assembly qualified rate of fiber active linker is improved greatly, in having avoided using, the phenomenon that attenuation increases appears, production and the use cost of fiber active linker have been reduced.
Description of drawings
Fig. 1 is the Split type structure schematic diagram of existing a kind of fiber active linker;
Fig. 2 is the overall structure schematic diagram after the assembling of existing fiber flexible jumper in Fig. 1;
Fig. 3 is the structural representation (having omitted fixture in figure) of rotary installation machine of movable optical-fiber connector specific embodiment one of the present invention;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is the structural representation of Fig. 3 Elastic hold down gag;
Fig. 6 is the structural representation of pressure switch in Fig. 3;
Fig. 7 is the structural representation of fixture in Fig. 4;
Fig. 8 is the structural representation of the utility model embodiment two.
The specific embodiment
embodiment one: the specific embodiment of rotary installation machine of movable optical-fiber connector of the present invention is extremely shown in Figure 7 just like Fig. 3, this rotary installing machine for truck has a base 10, be installed with a cover motor-driven mechanism 21 on the mounting platform at base 10 tops, power output shaft in motor-driven mechanism 21 is horizontally disposed with, and radially be fixed with a driving wheel 11 that utilizes to be installed of frictional force drives on this power output shaft, this driving wheel 11 adopts rubber wheel to make, and be provided with a pressure head 12 near these driving wheel 11 left side outer rims, be rotatably equipped with two pinch roller 12-1 towards the leading section of this driving wheel 11 is arranged side by side up and down on this pressure head 12, the axis of these two pinch roller 12-1 is parallel with the axis of driving wheel 11, thereby make the three-point fix structure that is formed for spacing compression branch sleeve 5 between the outer rim of pressure head 12 and driving wheel 11.Pressure head 12 away from the rear end of driving wheel 11 be connected with one drive this pressure head 12 along the radial action of driving wheel 11, be used for the reciprocating drive mechanism 15 that branch sleeve 5 was pressed or loosened on the top.Further, be the excessive damage driving wheel 11 of the pressure that prevents pressure head 12 or branch sleeve 5 to be installed, its rear end at pressure head 12 also is fixed with one along the push rod 13 that radially extends of driving wheel 11, and is fixed with an elastic pressuring clamping device 16 that is in transmission connection with reciprocating drive mechanism 15 in the rear end of this push rod 13.In the present embodiment, push rod 13 is cylindrical structure, it is and is horizontally disposed with and is slidedly assemblied in a fixed leg 14 that vertically is fixed on base 10, the center line of push rod 13 passes the axle center of driving wheel 11, offer only spin slot along its bearing of trend on the outer surface of push rod 13, be installed with on fixed leg 14 one stretch into this stop spin slot in and stop with this jackscrew that spin slot both sides cell wall block coordinates, be slidably matched thereby make to form only to revolve between push rod 13 and fixed leg 14; Elastic pressuring clamping device 16 comprises an adapter sleeve 16-1 who is fixedly set in one heart push rod 13 rearward end, endwisely slip in this adapter sleeve 16-1 and be equipped with a push rod 16-2 who is in transmission connection with reciprocating drive mechanism 15, turn edge in being equipped with on the trepanning inwall of adapter sleeve 16-1 rear end, be positioned at push rod 16-2 on the outer peripheral face of adapter sleeve 16-1 trepanning and convex with the outward flange that coordinates with the above-mentioned axial limiting block that turns edge, and be top-loaded with between the rear end face of push rod 16-2 and push rod 13 for the holddown spring 16-3 that adjusts pressure head 12 thrusts; Reciprocating drive mechanism 15 is electromagnet, this electromagnet armature 15-1 coordinates with the rear end pushing tow of push rod 16-2, thereby can branch sleeve 5 be pressed on the outer rim of driving wheel 11 with dynamic head 12 by push rod 16-2 compression holddown spring 16-3, promotion push rod 13, simultaneously, be set with back-moving spring 17 on the push rod 13 between adapter sleeve 16-1 and fixed leg 14, so that after the electromagnet dead electricity, drive adapter sleeve 16-1 drive push rod 13 and pressure head 12 and reset.
It also comprises a fixture that is used for fixed fiber flexible jumper prelocalization sleeve 1, as shown in Figure 7, this fixture is one and is convenient to hand-held mounting rod 18, offer the jack 18-2 for plug-in mounting prelocalization sleeve 1 on an end end face of mounting rod 18, and be provided with on the hole wall of jack 18-2 for prelocalization sleeve 1 on only revolve the key corresponding matching only revolve structure, concrete, this only revolve structure be opened on the sidewall of jack 18-2 aperture with prelocalization sleeve 1 on only revolve key corresponding block join opening 18-3.simultaneously, for guaranteeing the degree of screwing after fiber active linker assembles, it also is being connected with on fixture for the torque control device 20 that limits degree of screwing between prelocalization sleeve 1 and branch sleeve 5, in the present embodiment, this torque control device 20 comprises the pressing plate 18-1 that is vertically fixed on mounting rod 18, and vertically be fixed with one by the elastic pressure switch of this pressing plate 18-1 triggering on the base 10 below this pressing plate 18-1, this elastic pressure switch 20 comprises an outer tube 20-1 who vertically is fixed on the base 10 of pressing plate 18-1 below, vertical slidable fit has one to be used for contacting with pressing plate 18-1 the middle contact 20-2 that coordinates in this outer tube 20-1, and be top-loaded with a preloading spring 20-4 in the bottom of this centre contact 20-2, level is fixed with a contact arm 20-3 on middle contact 20-2, the contact that this contact arm 20-3 passes on outer tube 20-1 sidewall near the corresponding slotted hole of the offering microswitch 20-5 with being fixed on side by side outer tube 20-1 contacts and coordinates.Further, for ease of adjusting the dynamics of tightening of fiber active linker, the bottom of this outer sleeve 20-1 vertically extends through the bottom surface of base downwards, and being installed with an adjustment screw 20-6 in the trepanning below middle contact 20-2, preloading spring 20-4 pushes up and is contained between this adjustment screw 20-6 and middle contact 20-2.
Further, for convenience of the use of mounting rod 18, it also vertically is fixed with two Support brackets 19 of placing mounting rod 18 when being used in spinning side by side being positioned on wing base 10 of driving wheel 11 and pressure head 12 cooperation places.
In concrete the application, the break-make of electromagnet is controlled by floor push.during use, prelocalization sleeve 1 in fiber active linker is inserted in the jack 18-2 of mounting rod 18, and the key that only revolves on prelocalization sleeve 1 is snapped in opening 18-3 on mounting rod 18, then with outer sleeve 2, contact pin 3, spring 4, after branch sleeve 5 each parts such as grade are set with successively, first branch sleeve 5 is screwed in the internal thread of prelocalization sleeves 1 one with hand, namely first each parts on fiber active linker are connected but do not screw by branch sleeve 5 and prelocalization sleeve 1, then hand-held mounting rod 18 is positioned over it on Support bracket 19, guarantee that pressing plate 18-1 is pressed on the middle contact 20-2 of elastic pressure switch 20, hand-held mounting rod 18 is pressed in the anti-skid structure of branch sleeve 5 rear ends on the outer rim of driving wheel 11, after motor-driven mechanism 21 starts, start electromagnet by floor push, electromagnet armature 15-1 is by the push rod 16-2 compression holddown spring 16-3 of elastic pressuring clamping device 16, this holddown spring 16-3 moves pressure head 12 to the right at the elastic force rear drive push rod 13 that has overcome back-moving spring 17, two pinch roller 12-1 on pressure head 12 coordinate with the outer rim of driving wheel 11 by the three-point fix structure on the spacing outer rim that is pressed on driving wheel 11 of branch sleeve 5, at this moment, between holddown spring 16-3 and back-moving spring 17, the difference of elastic force is the pre-pressing force of branch sleeve 5, driving wheel 11 coordinates with two pinch roller 12-1 on pressure head 12 rotates branch sleeve 5, because being formed only to screw by elastic pressure switch 20 blocks, closes the pressing plate 18-1 on this moment mounting rod 18, thereby branch sleeve 5 is driven by driving wheel 11 to be tightened in prelocalization sleeve 1, after branch sleeve 5 and prelocalization sleeve 1 screw, branch sleeve 5 drives prelocalization sleeve 1 and rotates, prelocalization sleeve 1 drives mounting rod 18 unitary rotation, pressing plate 18-1 triggers microswitch 20-5 by middle contact 20-2 after having overcome preloading spring 20-4, the electromagnet dead electricity resets, push rod 13 is back-moving spring 17 and mobile resetting under the branch sleeve 16-1 of elastic pressuring clamping device 16 coordinates, hand-held mounting rod 18 takes off the complete connector of assembling, prepare the assembling that screws of next connector.
Embodiment two: as shown in Figure 8, the present embodiment two is torque control device with the difference of embodiment one.Concrete, being used for spinning only joins the mounting rod 18 of prelocalization sleeve 1 and is Split type structure, this mounting rod 18 is used for hand-held Handheld Division 18-4 and is positioned at the anterior installation portion 18-5 that is used for plug-in mounting prelocalization sleeve 1 forming by being positioned at the rear portion, wherein, offer connecting hole on the front end face of Handheld Division 18-4, convex with the inserting section of pegging graft and being rotatably assorted with this connecting hole in the rear end of installation portion 18-5.Its torque control device is to be made of the damping layer 18-5 that rotates between the prevention Handheld Division 18-4 that establishes at pad between the inner hole wall of the outer peripheral face of this inserting section and connecting hole and installation portion 18-5.
During use, the staff is held on the Handheld Division 18-4 of mounting rod 18 rear ends, this Handheld Division 18-4 utilizes the damping action of damping layer 18-6 that installation portion 18-5 is only revolved, it is after the branch sleeve 5 in fiber active linker is tightened in prelocalization sleeve 1, the installation portion 18-5 of branch sleeve 5 by prelocalization sleeve 1 drive installation bar 18 front ends rotates after overcoming the damping force of damping layer, has certain dynamics that screws between branch sleeve 5 and prelocalization sleeve 1 thereby make.
The present invention is not limited to above-described embodiment, in above-described embodiment, pressure head can directly be connected with reciprocating drive mechanism, for example with pressure head directly and electromagnet armature be connected and realize the compression of pressure head and loosen, also holddown spring directly can be fixed on electromagnet armature and pressure head or holddown spring directly is fixed on electromagnet armature and push rod that the pressure head rear end is connected and realize the pre-pressing function; Above-mentioned reciprocating drive unit for drive ram can also adopt as cylinder, motor-driven pinion and rack except electromagnet or connect the conventional drive units such as linear electric motors of alternating current, and the clutch end of these drive units also can adopt the type of drive commonly used such as wedge system that the inclined-plane coordinates or lever drive to drive push rod or pressure head is controlled the compression of pressure head and loosens; Only revolve structure except adopting jackscrew and only spin slot coordinates between push rod and fixed leg, the through hole cooperation realization of the corresponding respective shapes of offering in the push rod that also can adopt square, oval, polygon top section and fixed leg; Above-mentionedly also can adopt conventional torque spanner for the fixture of fixing prelocalization sleeve and the torque control device of corresponding matching, utilize clamping jaw that torque spanner carries and Torque Control to realize the installation of prelocalization sleeve and screw the control of power; Can also adopt except using microswitch in the elastic pressure switch photoelectric detection switch is installed near pressing plate; by detecting the mobile control that realizes pretightning force of pressing plate, above-mentioned various different structures or the equivalent deformation means of shape are all within protection scope of the present invention.
in rotary installation machine of movable optical-fiber connector of the present invention, pressure head coordinates the branch sleeve that forms in three-point fix pressed fiber flexible jumper with driving wheel, driving wheel drives branch sleeve rotation by friction mode and completes itself and being connected of prelocalization sleeve, make fiber active linker be completed mechanically and screw assembly work, it compared with prior art, not only can avoid the burr on each parts of connector to hurt sb.'s feelings, and the efficient of machinery assembling is greatly improved, simultaneously, in the spinning process, the dynamics that screws of fiber active linker is by fixedly fixture and the cooperation between torque control device of prelocalization sleeve have obtained effective assurance, and realized that fiber active linker screws the unification of dynamics, an assembly qualified rate of fiber active linker is improved greatly, thereby production and the use cost of fiber active linker have been reduced.
Claims (8)
1. rotary installation machine of movable optical-fiber connector, comprise base, it is characterized in that, be rotatably equipped with a driving wheel that is driven by actuating unit on described base, driving wheel is provided with for the outer rim that relies on friction-driven fiber active linker branch sleeve, outer rim at this driving wheel is attached with a pressure head, this pressure head has two and spaced apartly is used for be used to being clamped in the clamping part on the branch sleeve outer surface and being provided with between two clamping parts the accommodation section that holds branch sleeve, be formed for the three-point fix structure of spacing compression branch sleeve between two clamping parts of pressure head and the outer rim of driving wheel, be connected with at the pressure head upper driving and drive it along the driving wheel radial action, compress or loosen the reciprocating drive mechanism of branch sleeve with respect to the driving wheel outer rim, comprise that also one is used for stopping the fixture that spinning is joined the prelocalization sleeve, be connected with on this fixture for the torque control device that limits degree of screwing between prelocalization sleeve and branch sleeve.
2. rotary installation machine of movable optical-fiber connector according to claim 1, it is characterized in that, be positioned at its rearward end away from driving wheel and also be fixed with a push rod that radially extends along driving wheel on described pressure head, be fixed with described reciprocating drive mechanism in the rear end of this push rod and be in transmission connection, be used for the elastic pressuring clamping device that the restriction pressure head compresses dynamics.
3. rotary installation machine of movable optical-fiber connector according to claim 2, it is characterized in that, described driving wheel is horizontal axis and is arranged on base, described push rod is horizontally disposed with, the extension line of push rod center line passes the axle center of driving wheel, and is only revolving slidable fit on its bearing of trend in a fixed leg that vertically is fixed on base.
4. rotary installation machine of movable optical-fiber connector according to claim 3, it is characterized in that, described elastic pressuring clamping device comprises the adapter sleeve that is fixedly set in one heart the push rod rear end, axially slidable fit has a push rod that is in transmission connection with reciprocating drive mechanism in this adapter sleeve, in radially being provided with, the running-on place, rear end of adapter sleeve turns edge, on the periphery of push rod radial convex be provided with this adapter sleeve in the outward flange that the axial limiting block coordinates that turns edge, be top-loaded with holddown spring between the front end of push rod and push rod rear end.
5. rotary installation machine of movable optical-fiber connector according to claim 4, it is characterized in that, described reciprocating drive mechanism is electromagnet, and the rear end of described push rod coordinates with this electromagnet armature pushing tow, and is provided with a back-moving spring that is sleeved on push rod between adapter sleeve and fixed leg.
6. rotary installation machine of movable optical-fiber connector according to claim 1, it is characterized in that, be separately installed with on two clamping parts of described pressure head for the pinch roller that is rotatably assorted with the branch sleeve surface, the axis of two pinch rollers is parallel with the axis of driving wheel, and the outer rim of this two pinch roller and driving wheel consists of described three-point fix structure when compressing branch sleeve.
7. rotary installation machine of movable optical-fiber connector according to claim 1, it is characterized in that, described fixture comprises that is used for a hand-held mounting rod, offer the jack for plug-in mounting prelocalization sleeve on an end end face of mounting rod, the hole wall of jack be provided with for the prelocalization sleeve on only revolve the key corresponding matching only revolve structure, described torque control device comprises the pressing plate that is vertically fixed on mounting rod, be provided with one below pressing plate and contact with pressing plate and coordinate being positioned on the driving wheel direction of rotation, be used for controlling the elastic pressure switch of reciprocating drive mechanism and/or driving wheel actuating unit.
8. rotary installation machine of movable optical-fiber connector according to claim 7, it is characterized in that, described elastic pressure switch comprises the outer tube that vertically is fixed on the pressing plate below, in outer tube, vertical slidable fit has one to contact with pressing plate the middle contact that coordinates, be top-loaded with a compression spring in the bottom of middle contact, level is fixed with a pressing plate on middle contact, is being installed with a microswitch that is triggered by pressing plate after middle contact pressurized moves near the base outer tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110294727 CN102335901B (en) | 2011-09-28 | 2011-09-28 | Rotary installation machine of movable optical-fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110294727 CN102335901B (en) | 2011-09-28 | 2011-09-28 | Rotary installation machine of movable optical-fiber connector |
Publications (2)
| Publication Number | Publication Date |
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| CN102335901A CN102335901A (en) | 2012-02-01 |
| CN102335901B true CN102335901B (en) | 2013-06-12 |
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| CN 201110294727 Expired - Fee Related CN102335901B (en) | 2011-09-28 | 2011-09-28 | Rotary installation machine of movable optical-fiber connector |
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| CN112415682B (en) * | 2020-10-30 | 2023-04-07 | 桂林东衡光通讯技术有限公司 | Special tool for AOC jumper wire tail pushing sleeve |
| CN117464614B (en) * | 2023-12-28 | 2024-04-02 | 杭州华翊科技有限公司 | Tool for separating compressor and combustion chamber shell of turbojet engine |
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| CN202241139U (en) * | 2011-09-28 | 2012-05-30 | 河南省通信电缆有限公司 | Rotary installing machine of fiber movable connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0663601A1 (en) * | 1989-11-24 | 1995-07-19 | Nippon Telegraph And Telephone Corporation | Optical jack |
| JP3407691B2 (en) * | 1999-05-19 | 2003-05-19 | エヌ・ティ・ティ・アドバンステクノロジ株式会社 | Grinding method of cylindrical shape of hard brittle material with belt drive rotation applying method |
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| CN102335901A (en) | 2012-02-01 |
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