CN106736632B - A kind of bolt device with state arbitration functions - Google Patents
A kind of bolt device with state arbitration functions Download PDFInfo
- Publication number
- CN106736632B CN106736632B CN201611241232.1A CN201611241232A CN106736632B CN 106736632 B CN106736632 B CN 106736632B CN 201611241232 A CN201611241232 A CN 201611241232A CN 106736632 B CN106736632 B CN 106736632B
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- Prior art keywords
- bolt
- switch
- diameter end
- external device
- positioning pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005693 optoelectronics Effects 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000001960 triggered effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/28—Means for securing sliding members in any desired position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/54—Arrangements or details not restricted to group B23Q5/02 or group B23Q5/22 respectively, e.g. control handles
- B23Q5/58—Safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of bolt devices with state arbitration functions, including cover board, socket, positioning pin, locking nut, bolt, gusset piece, sleeve, spring and switch, lead slot is provided on socket, positioning pin passes through lead slot and is connected on the bigger diameter end of bolt, by adjusting position of the positioning pin in lead slot, positioning pin is moved along lead grooved rail mark, and bolt can be made to move axially in socket and radial rotating.Invention increases state arbitration functions, positioning pin adjusts at lead slot both ends, control bolt miner diameter end stretching with retract, it realizes and external device is locked and is released, the variation of the triggering end active state of the bigger diameter end and switch of bolt, extraneous control system detects the presence or absence of switch trigger signal, and then controls whether external device is enabled；The intelligent level for improving external device avoids human operational error's bring hidden danger.
Description
Technical field
The present invention relates to a kind of bolt devices with state arbitration functions, can be used as in the mechanical equipments such as turntable, lathe
The component of operating condition judgement.
Background technique
There is following disadvantages for existing bolt device:
Structure is not compact enough.After bolt is extracted, with equipment overall separation, bolt is easily caused to damage, be unfavorable for working service.
Stateless arbitration functions.The state of bolt only leans on operator artificially to differentiate, if operator's erroneous judgement, i.e. bolt
When in mechanical pin lock state, electric operation in equipment electrical system can then damage equipment, cause damages.
The bolt of stateful arbitration functions but its be used for state judgement switch and its lead it is exposed outside, be easily damaged,
And it is not beautiful enough.
Summary of the invention
Technical problem solved by the present invention is overcoming the shortage of prior art, a kind of inserting with state arbitration functions is provided
Pin assembly can effectively improve the enabled of control external device.
The technical solution of the invention is as follows:
A kind of bolt device with state arbitration functions, including cover board, socket, positioning pin, locking nut, bolt,
Gusset piece, sleeve, spring and switch,
Sleeve is hollow revolving body, and sleeve one end is connect with cover board, is reserved with fairlead in junction, the sleeve other end is logical
It crosses gusset piece to connect with socket, through-hole is provided on gusset piece, switch is placed in sleeve, the through-hole on gusset piece is switched,
It is fixedly connected with gusset piece, one end lead of switch passes through fairlead, connect with extraneous control system, and the other end of switch is touching
Originator,
Bolt is the column rotary structure with step, including bigger diameter end and miner diameter end,
Socket is hollow structure, and locking nut is connected to socket one end, and bolt is limited to bolt by locking nut
In the hollow structure of seat, bolt bigger diameter end and socket clearance fit are cased with spring on bolt miner diameter end, and spring is limited at slotting
In the space that pin, socket and locking nut are formed, the extended locking nut of bolt miner diameter end is enabled to external device；
Lead slot is provided on socket, positioning pin passes through lead slot and is connected on the bigger diameter end of bolt, by adjusting fixed
Position position of the pin in lead slot, positioning pin are moved along lead grooved rail mark, and bolt can be made to move axially in socket and diameter
To rotation；
When positioning pin is moved to lead slot one end, the miner diameter end of bolt stretches out locking nut, locks to external device, inserts
The bigger diameter end of pin and the triggering end of switch are not had an effect, and extraneous control system detects the Triggerless of switch, in turn
External device is not enabled；
When positioning pin is moved to the lead slot other end, the miner diameter end of bolt is returned to and locking nut flush position, solution
Except locking to external device, the bigger diameter end of bolt acts on the triggering end of switch, and extraneous control system detects contact switch
Trigger signal, and then external device is enabled.
Switch is optoelectronic switch, is fixed with anti-dazzling screen on the bigger diameter end of bolt,
When positioning pin is moved to lead slot one end, the miner diameter end of bolt stretches out locking nut, locks to external device, inserts
Anti-dazzling screen on the bigger diameter end of pin does not block the optical path of optoelectronic switch triggering end, and extraneous control system detects optoelectronic switch
Triggerless, and then external device is not enabled；
When positioning pin is moved to the lead slot other end, the miner diameter end of bolt is returned to and locking nut flush position, solution
Except locking to external device, the anti-dazzling screen on the bigger diameter end of bolt blocks the optical path of optoelectronic switch triggering end, extraneous control system
System detects the trigger signal of optoelectronic switch, and then enables to external device.
Switch is contact switch, and adjustable with the relative position of gusset piece, the other end of contact switch can be axially compressed,
When positioning pin is moved to lead slot one end, the miner diameter end of bolt stretches out locking nut, locks to external device, inserts
The major diameter end face of pin and the triggering end face of contact switch are kept completely separate, extraneous control system detect contact switch without triggering
Signal, and then external device is not enabled；
When positioning pin is moved to the lead slot other end, the miner diameter end of bolt is returned to and locking nut flush position, solution
Except locking to external device, the triggering end face of the bigger diameter end face pressure contracting contact switch of bolt, extraneous control system detects touching
The trigger signal of point switch, and then external device is enabled.
Fairlead is U-shaped hole, and opening is directed toward cover board, and cover board is separated with sleeve, and lead can be separated from fairlead.
It is provided with external screw thread on contact switch, by two nuts, realizes and the adjustment and fixation that couple Board position.
Bolt bigger diameter end and socket fit clearance are 0.01~0.03mm.
Lead slot is the different J-type structure of two side lengths, and both sides length difference is the length that bolt stretches out locking nut.
When the miner diameter end of bolt is returned to locking nut flush position, the decrement of contact switch triggering end is greater than contact
Switch the minimum stroke being triggered, the range being triggered less than contact switch.
For positioning pin in the moving process of the entire stroke of lead slot, spring is in compressive state always.The inner wall of socket
It is not more than 3.2 μm with the surface smoothness of bolt outer wall.
The internal diameter of spring is greater than the outer diameter of bolt miner diameter end, and the outer diameter of spring is less than socket inner diameter.
Compared with the prior art, the invention has the advantages that:
(1) invention increases state arbitration functions, positioning pin adjusts at lead slot both ends, controls the miner diameter end of bolt
It stretches out and retracts, realize and external device is locked and is released, the variation of the triggering end active state of the bigger diameter end and switch of bolt,
Extraneous control system detects the presence or absence of switch trigger signal, and then controls whether external device is enabled；It improves outer
The intelligent level of boundary's equipment avoids human operational error's bring hidden danger；
(2) the J configuration design of lead slot of the present invention ensure that the smoothness that bolt is run in socket, while in spring pressure
Under the action of clamp force, it can be ensured that the reliability of two kinds of positions；
(3) state judgment component of the present invention is hidden in inside whole device, is avoided artificial damage, is increased reliability,
Each composition External Shape is simple, and processing technology is good.
Detailed description of the invention
Fig. 1 is the present invention to external device enabled state structural schematic diagram；
Fig. 2 is schematic cross-section of the present invention；
Fig. 3 is this hair present invention not to external device enabled state structural schematic diagram；
Fig. 4 is J-type lead slot structure schematic diagram of the present invention.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
A kind of bolt device with state arbitration functions, including cover board 1, socket 2, positioning pin 3, locking nut 4, insert
Pin 5, gusset piece 6, sleeve 7, spring 8, switch 9,
Sleeve 7 is hollow revolving body, and 7 one end of sleeve is connect with cover board 1, is reserved with fairlead in junction, sleeve 7 is another
End is connect by gusset piece 6 with socket 2, and through-hole is provided on gusset piece 6, and switch 9 is placed in sleeve 7, and switch 9 passes through gusset piece
Through-hole on 6 is fixedly connected with gusset piece 6, and one end lead of switch 9 passes through fairlead, is connect with extraneous control system, lead
Hole is U-shaped hole, and opening is directed toward cover board 1, and cover board 1 is separated with sleeve 7, and lead can be separated from fairlead, and the other end of switch 9 is
Triggering end.
Bolt 5 is the column rotary structure with step, including bigger diameter end and miner diameter end,
Socket 2 is hollow structure, and locking nut 4 is connected to 2 one end of socket, and bolt 5 is limited to by locking nut 4
In the hollow structure of socket 2,5 bigger diameter end of bolt and 2 clearance fit of socket, 5 bigger diameter end of bolt and 2 fit clearance of socket
For 0.01~0.03mm.
Spring 8 is cased on 5 miner diameter end of bolt, spring 8 is limited at the sky that bolt 5, socket 2 and locking nut 4 are formed
In, the internal diameter of spring 8 is greater than the outer diameter of 5 miner diameter end of bolt, and the outer diameter of spring 8 is less than 2 inner diameter of socket, and bolt 5 is small
The extended locking nut in diameter end is enabled to external device.
Lead slot is provided on socket 2, positioning pin 3 passes through lead slot and is connected on the bigger diameter end of bolt 5, by adjusting
Position of the positioning pin 3 in lead slot, positioning pin 3 are moved along lead grooved rail mark, and bolt 5 can be made axially to move in socket 2
Dynamic and radial rotating；The inner wall of socket 2 and the surface smoothness of 5 outer wall of bolt are not more than 3.2 μm.
Lead slot is the different J-type structure of two side lengths, as shown in figure 4, both sides length difference is that bolt 5 stretches out locking nut 4
Length.For positioning pin 3 in the moving process of the entire stroke of lead slot, spring 8 is in compressive state, the compression of spring 8 always
Meet ergonomic requirements, not influence the operation of positioning pin as basic demand.
When positioning pin 3 is moved to lead slot one end, the miner diameter end of bolt 5 stretches out locking nut 4, locks to external device
Tightly, the bigger diameter end of bolt 5 and the triggering end of switch 9 are not had an effect, and extraneous control system detects that the oncontacting of switch 9 transmits
Number, and then external device is not enabled；
When positioning pin 3 is moved to the lead slot other end, the miner diameter end of bolt 5 return to 4 flush position of locking nut,
It releases and external device is locked, the bigger diameter end of bolt 5 acts on the triggering end of switch 9, and extraneous control system detects contact
The trigger signal of switch, and then external device is enabled.
Switch 9 may be designed as optoelectronic switch, need to be fixed with anti-dazzling screen on the bigger diameter end of bolt 5 at this time；
When positioning pin 3 is moved to lead slot one end, the miner diameter end of bolt 5 stretches out locking nut 4, locks to external device
Tightly, the anti-dazzling screen on the bigger diameter end of bolt 5 does not block the optical path of optoelectronic switch triggering end, and extraneous control system detects photoelectricity
The Triggerless of switch, and then external device is not enabled；
When positioning pin 3 is moved to the lead slot other end, the miner diameter end of bolt 5 return to 4 flush position of locking nut,
It releases and external device is locked, the anti-dazzling screen on the bigger diameter end of bolt 5 blocks the optical path of optoelectronic switch triggering end, extraneous control
System detection and then enables external device to the trigger signal of optoelectronic switch.
Switch 9 may be designed as contact switch, adjustable with the relative position of gusset piece 6, and the other end of contact switch can edge
It is axial to be compressed, it is provided with external screw thread on contact switch, by two nuts, realizes adjustment and fixation with 6 position of gusset piece.
When positioning pin 3 is moved to lead slot one end, as shown in Figure 1, the miner diameter end of bolt 5 stretches out locking nut 4, externally
The locking of boundary's equipment, the major diameter end face of bolt 5 and the triggering end face of contact switch are kept completely separate, and extraneous control system detects touching
The Triggerless of point switch, and then external device is not enabled；
When positioning pin 3 is moved to the lead slot other end, as shown in figure 3, the miner diameter end of bolt 5 returns to and locking nut
4 flush positions are released and are locked to external device, the triggering end face of the bigger diameter end face pressure contracting contact switch of bolt 5, extraneous control
System detection and then enables external device to the trigger signal of contact switch.The miner diameter end of bolt 5 is returned to and is locked
When 4 flush position of nut, the decrement of the triggering end of contact switch is greater than the minimum stroke that contact switch is triggered, and is less than contact
Switch the range being triggered.
For socket 2 of the invention, gusset piece 6,7 type of attachment of sleeve, such structure design form is not only as shown in Figure 2
It is compact-sized small and exquisite, moreover, the lead of switch 9 need not be welded and be opened when Inspection and maintenance in 9 first adjustment of switch or in the future
Just switch 9 can be made to separate with all constitutional details.
Invention increases state arbitration functions, positioning pin adjusts at lead slot both ends, controls stretching for the miner diameter end of bolt
Out with retract, realize to external device lock and release, the variation of the triggering end active state of the bigger diameter end and switch of bolt, outside
The control system on boundary detects the presence or absence of switch trigger signal, and then controls whether external device is enabled；Improve the external world
The intelligent level of equipment avoids human operational error's bring hidden danger.
The present invention is not disclosed content and is known to the skilled person common sense.
Claims (11)
1. a kind of bolt device with state arbitration functions, which is characterized in that including cover board (1), socket (2), positioning pin
(3), locking nut (4), bolt (5), gusset piece (6), sleeve (7), spring (8) and switch (9),
Sleeve (7) is hollow revolving body, and sleeve (7) one end is connect with cover board (1), is reserved with fairlead, sleeve (7) in junction
The other end is connect by gusset piece (6) with socket (2), and through-hole is provided on gusset piece (6), and switch (9) is placed in sleeve (7),
The through-hole of (9) on gusset piece (6) is switched, is fixedly connected with gusset piece (6), one end lead of switch (9) passes through fairlead,
It being connect with extraneous control system, the other end of switch (9) is triggering end,
Bolt (5) is the column rotary structure with step, including bigger diameter end and miner diameter end,
Socket (2) is hollow structure, and locking nut (4) is connected to socket (2) one end, and bolt (5) passes through locking nut (4)
It is limited in the hollow structure of socket (2), bolt (5) bigger diameter end and socket (2) clearance fit, on bolt (5) miner diameter end
It is cased with spring (8), spring (8) is limited in the space that bolt (5), socket (2) and locking nut (4) are formed, bolt (5)
The extended locking nut of miner diameter end is enabled to external device；
Lead slot is provided on socket (2), positioning pin (3) passes through lead slot and is connected on the bigger diameter end of bolt (5), passes through tune
Position of the whole positioning pin (3) in lead slot, positioning pin (3) are moved along lead grooved rail mark, and bolt (5) can be made in socket
(2) axial movement and radial rotating in；
When positioning pin (3) is moved to lead slot one end, the miner diameter end of bolt (5) stretches out locking nut (4), locks to external device
Tightly, the bigger diameter end of bolt (5) and the triggering end of switch (9) are not had an effect, and extraneous control system detects the nothing of switch (9)
Trigger signal, and then external device is not enabled；
When positioning pin (3) is moved to the lead slot other end, the miner diameter end of bolt (5), which is returned to, flushes position with locking nut (4)
It sets, releases and external device is locked, the bigger diameter end of bolt (5) acts on the triggering end of switch (9), extraneous control system detection
It is enabled to the trigger signal of contact switch (9), and then to external device.
2. a kind of bolt device with state arbitration functions as described in claim 1, which is characterized in that switch (9) is light
Electric switch is fixed with anti-dazzling screen on the bigger diameter end of bolt (5),
When positioning pin (3) is moved to lead slot one end, the miner diameter end of bolt (5) stretches out locking nut (4), locks to external device
Tightly, the anti-dazzling screen on the bigger diameter end of bolt (5) does not block the optical path of optoelectronic switch triggering end, and extraneous control system detects light
The Triggerless of electric switch, and then external device is not enabled；
When positioning pin (3) is moved to the lead slot other end, the miner diameter end of bolt (5), which is returned to, flushes position with locking nut (4)
It sets, releases and external device is locked, the anti-dazzling screen on the bigger diameter end of bolt (5) blocks the optical path of optoelectronic switch triggering end, extraneous
Control system detect the trigger signal of optoelectronic switch, and then external device is enabled.
3. a kind of bolt device with state arbitration functions as described in claim 1, which is characterized in that switch (9) is touching
Point switch, adjustable with the relative position of gusset piece (6), the other end of contact switch can be axially compressed,
When positioning pin (3) is moved to lead slot one end, the miner diameter end of bolt (5) stretches out locking nut (4), locks to external device
Tightly, the major diameter end face of bolt (5) and the triggering end face of contact switch (9) are kept completely separate, and extraneous control system detects contact
The Triggerless of (9) is switched, and then external device is not enabled；
When positioning pin (3) is moved to the lead slot other end, the miner diameter end of bolt (5), which is returned to, flushes position with locking nut (4)
It sets, releases and external device is locked, the triggering end face of the bigger diameter end face pressure contracting contact switch (9) of bolt (5), extraneous control system
System detects the trigger signal of contact switch (9), and then enables to external device.
4. a kind of bolt device with state arbitration functions as described in claim 1, which is characterized in that fairlead is U-shaped
Hole, opening are directed toward cover board (1), and cover board (1) is separated with sleeve (7), and lead can be separated from fairlead.
5. a kind of bolt device with state arbitration functions as claimed in claim 3, which is characterized in that set on contact switch
It is equipped with external screw thread, by two nuts, realizes adjustment and fixation with gusset piece (6) position.
6. a kind of bolt device with state arbitration functions as described in claim 1, which is characterized in that bolt (5) major diameter
End is 0.01~0.03mm with socket (2) fit clearance.
7. a kind of bolt device with state arbitration functions as described in claim 1, which is characterized in that lead slot is both sides
Long different J-type structure, both sides length difference are the length that bolt (5) stretch out locking nut (4).
8. a kind of bolt device with state arbitration functions as claimed in claim 3, which is characterized in that bolt (5) it is small
When diameter end is returned to locking nut (4) flush position, the decrement of contact switch triggering end is greater than what contact switch was triggered
Minimum stroke, the range being triggered less than contact switch.
9. a kind of bolt device with state arbitration functions as described in claim 1, which is characterized in that positioning pin (3) exists
In the moving process of the entire stroke of lead slot, spring (8) is in compressive state always.
10. a kind of bolt device with state arbitration functions as described in claim 1, which is characterized in that socket (2)
The surface smoothness of inner wall and bolt (5) outer wall is not more than 3.2 μm.
11. a kind of bolt device with state arbitration functions as described in claim 1, which is characterized in that spring (8) it is interior
Diameter is greater than the outer diameter of bolt (5) miner diameter end, and the outer diameter of spring (8) is less than socket (2) inner diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611241232.1A CN106736632B (en) | 2016-12-29 | 2016-12-29 | A kind of bolt device with state arbitration functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611241232.1A CN106736632B (en) | 2016-12-29 | 2016-12-29 | A kind of bolt device with state arbitration functions |
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| Publication Number | Publication Date |
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| CN106736632A CN106736632A (en) | 2017-05-31 |
| CN106736632B true CN106736632B (en) | 2019-04-09 |
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|---|---|---|---|
| CN201611241232.1A Active CN106736632B (en) | 2016-12-29 | 2016-12-29 | A kind of bolt device with state arbitration functions |
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| CN109015500B (en) * | 2018-07-23 | 2023-12-08 | 浙江得领工贸有限公司 | Lithium battery brushless spanner |
| CN109649680B (en) * | 2018-12-05 | 2022-04-19 | 中国航空工业集团公司西安飞行自动控制研究所 | Civil aircraft spoiler actuator ground maintenance safety guarantee device |
| CN109610222B (en) * | 2018-12-14 | 2020-09-22 | 维美德(中国)有限公司 | Connector and toilet paper machine |
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| CN113417160A (en) * | 2021-06-04 | 2021-09-21 | 山东鲁普耐特机械有限公司 | Multistrand synchronous D-shaped rope making machine and using method thereof |
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| US2975440A (en) * | 1958-03-25 | 1961-03-21 | Wickman Ltd | Feed mechanisms for screw thread-forming attachments for metal-working power-driven lathes |
| EP0438611A1 (en) * | 1990-01-20 | 1991-07-31 | Dolmar GmbH | Rotation-preventing locking device for a rotating component, especially for a cutting tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2975440A (en) * | 1958-03-25 | 1961-03-21 | Wickman Ltd | Feed mechanisms for screw thread-forming attachments for metal-working power-driven lathes |
| EP0438611A1 (en) * | 1990-01-20 | 1991-07-31 | Dolmar GmbH | Rotation-preventing locking device for a rotating component, especially for a cutting tool |
| CN103547410A (en) * | 2011-05-20 | 2014-01-29 | 株式会社牧野铣床制作所 | Safety device for rotating feed rod |
| CN203767900U (en) * | 2014-01-27 | 2014-08-13 | 徐州重型机械有限公司 | Rotation control system of crane turntable and crane |
| CN203863426U (en) * | 2014-06-09 | 2014-10-08 | 广西玉柴机器股份有限公司 | Bolt error prevention device of lathe |
| CN204263023U (en) * | 2014-11-12 | 2015-04-15 | 中冶南方工程技术有限公司 | A kind of locking positioning device |
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| CN106736632A (en) | 2017-05-31 |
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