CN104236388B - Fork machinery position-limit mechanism - Google Patents
Fork machinery position-limit mechanism Download PDFInfo
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- CN104236388B CN104236388B CN201410344416.5A CN201410344416A CN104236388B CN 104236388 B CN104236388 B CN 104236388B CN 201410344416 A CN201410344416 A CN 201410344416A CN 104236388 B CN104236388 B CN 104236388B
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- hole
- guide
- fork
- baffle plate
- stay rod
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Abstract
Fork machinery position-limit mechanism of the present invention relates to a kind of for limiting the mechanical stop limiter of flat pad fork position. the present invention includes fan-shaped limiting plate, plug housing, square cotter, drag link mechanism, the angle that limiting plate two working faces form is less than the angle of arranging of fork, limiting plate is provided with the first through hole near center position, the edge of limiting plate can insert in the groove of plug housing, on plug housing, establish square cotter hole and pull bar pin-and-hole, square cotter lower end can be inserted in square cotter hole, drag link mechanism comprises hollow guide, guide internal upper part is provided with baffle plate, baffle plate outer wall and the laminating of guide inwall, in guide, bottom is provided with step through-hole, stay rod pin top is connected with handle, stay rod pin bottom is provided with oval baffle plate, stay rod pin is through baffle plate, step through-hole also stretches out guide lower surface, pull bar pin-and-hole can be inserted in its lower end, spring housing is contained in stay rod pin middle part outer surface, support is fixedly connected on plug housing, the outer wall of guide is fixedly connected with the inwall of the circular hole arranging on support.
Description
Technical field
The present invention relates to a kind of position-limit mechanism, particularly relate to a kind of for limiting the mechanical position limitation mechanism of flat pad fork position.
Background technology
Large delivery movable launch platform mainly by frame for movement, pin down releasing device, electric-control system, hydraulic system, walking and driveThe composition such as system, air-conditioning system is baroque mechanical, electrical, liquid integrated large-scale plant.
Wherein, the frame for movement of flat pad mainly comprises stage body, umbilical tower and fork etc., and fork is used for carrying filling, air feedDeng pipeline and relevant cables, also for dodging with arranging of rocket body connecting line before launching. Fork is truss structure, with gyroaxisBe fixed on umbilical tower both sides, fork wraparound rotating shaft revolution. Before rocket launching, fork closes up near rocket body, carrying filling, confessionThe pipelines such as gas and relevant cables; Launching phase, drives fork to arrange corresponding angle, abdicates the rocket passage that takes off, and ensures that rocket is suitableProfit is taken off.
For ensureing that fork work is not subject to impact automatically controlled, hydraulic test fault, need to be used for keeping pendulum in fork root design oneThe mechanical device of bar state, prevents that fork from mistake pendulum occurring.
Summary of the invention
The technical problem to be solved in the present invention is to provide one, and to realize fork locking spacing, avoids fork that the rocker mechanism of mistake pendulum occursTool position-limit mechanism.
Fork machinery position-limit mechanism of the present invention, comprises limiting plate, plug housing, square cotter, drag link mechanism, and described limiting plate is fan-shaped,The two sides of described limiting plate are working face, and the angle that two working faces form is less than the angle of arranging of fork, during described limiting plate is closeHeart position is provided with the first through hole, and described plug housing comprises and paralleling and spaced two transverse slats, equal with one end of two transverse slatsRiser connected vertically, forms groove between two transverse slats and riser, and the edge of described limiting plate can insert in the groove of plug housing,On the transverse slat of upside, be provided with square cotter hole and pull bar pin-and-hole, described square cotter hole and pull bar pin-and-hole are through hole, and described square cotter lower end canInsert in square cotter hole, described drag link mechanism comprises handle, stay rod pin, spring, guide, rectangle support, described guide hollow,Guide internal upper part is provided with baffle plate, the outer wall of baffle plate and the laminating of the inwall of guide, and in guide, bottom is provided with step through-hole, described inThe top of stay rod pin is connected with handle, and the bottom of described stay rod pin is provided with oval baffle plate, the shape of oval baffle plate and step through-holeThe shape of lower stomidium identical, stay rod pin is through baffle plate, step through-hole the lower surface of stretching out guide, the lower end of stay rod pin can be insertedEnter pull bar pin-and-hole, described spring housing is contained in stay rod pin middle part outer surface, and the upper end of spring withstands on baffle plate lower surface, the lower end of springWithstand on oval baffle plate upper surface, described support lower end is fixedly connected on the transverse slat of upside, and described support top is provided with circular hole,Described circular hole is coaxial with pull bar pin-and-hole, and the outer wall of described guide is fixedly connected with the inwall of circular hole.
Fork machinery position-limit mechanism of the present invention, wherein said guide upper end is provided with access panel, described access panel and guide inwall phaseLaminating, the edge of described access panel is provided with at least one peep hole.
Fork machinery position-limit mechanism of the present invention, is provided with multiple bolts hole on wherein said riser.
Fork machinery position-limit mechanism difference from prior art of the present invention is that fork machinery position-limit mechanism of the present invention comprises spacingPlate, plug housing, square cotter, drag link mechanism, described limiting plate is provided with the first through hole near center position, and this through hole makes limitPosition plate is fixedly connected with fork main shaft, in the time that fork swings, fork main shaft rotation, limiting plate along with the rotation of fork main shaftIn groove, slide, before transhipment and in transport process, manually square cotter is inserted in the square cotter hole arranging on plug housing, block spacingA side of plate, spacing for transition transportation fork; Pull bar on the corresponding plug housing of stay rod pin in drag link mechanismPin-and-hole, can realize spacing in launch process, and in transport process, stay rod pin is retracted in guide, and now spring is in pressingContracting state, proceeds to launch site, until face before transmitting, Field Force withdraw, manually square cotter is extracted and is withdrawn, by stay rod pin fromIn guide, stretch out through pull bar pin-and-hole, make the lower surface of stay rod pin and limiting plate obtain upper surface good contact, now spring is also for pressingContracting state, the angle forming due to limiting plate two working faces is less than the angle of arranging of fork, in emission process, when the angle that fork is arrangedWhen degree is greater than the angle of limiting plate two working faces formation, stay rod pin inserts completely in plug housing under spring force and Action of Gravity Field, cardLive another side of limiting plate, complete in emission process spacing to fork, restriction fork swings, and after transmitting completes, carries outWhen transition, the locking that can realize equally fork is spacing, has avoided the situation of mistake pendulum to occur.
In fork machinery position-limit mechanism of the present invention, guide upper end is provided with access panel, and described access panel and guide inwall fit, instituteThe edge of stating access panel is provided with at least one peep hole, and convenient working condition of observing this device, judges termination, stay rod pin lower endWhether pass the upper plane good contact of pull bar pin-and-hole and limiting plate. On riser, be provided with multiple bolts hole, facilitate riser and send outPenetrate being fixedly connected with of platform umbilical tower, connect more reliable.
Below in conjunction with accompanying drawing, fork machinery position-limit mechanism of the present invention is described further.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of fork machinery position-limit mechanism of the present invention;
Fig. 2 is the cutaway view along A-A in Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the structural representation of the drag link mechanism in fork machinery position-limit mechanism of the present invention;
Fig. 5 is the upward view of Fig. 4;
Fig. 6 is the schematic diagram of stepped hole in Fig. 5;
Fig. 7 is the right view of Fig. 6;
Fig. 8 is the structural representation of plug housing;
Fig. 9 is the top view of Fig. 8;
Figure 10 is the left view of Fig. 8;
Figure 11 is the structural representation of square cotter in the present invention;
Figure 12 is the left view of Figure 11.
Detailed description of the invention
Shown in Fig. 1,2,3, fork machinery position-limit mechanism of the present invention comprises limiting plate 1, plug housing 2, square cotter 3, pull barMechanism 4, limiting plate 1 is fan-shaped, and the two sides 12 of limiting plate 1 are working face, and the angle that two working faces form is less than forkArrange angle, limiting plate 1 is provided with the first through hole 11 near center position, for being fixedly connected with fork main shaft 5 '.
Again in conjunction with shown in Fig. 8 to 12, plug housing 2 comprise parallel and spaced two transverse slats 21, with one of two transverse slats 21End all forms groove 23 between riser 22, two transverse slats 21 connected vertically and riser 22, and the edge of limiting plate 1 can insert slottingIn the groove 23 of key seat 2, on the transverse slat 21 of upside, be provided with square cotter hole 211 and pull bar pin-and-hole 212, square cotter hole 211 and drawingLever pin hole 212 is through hole, and square cotter 3 lower ends can be inserted in square cotter hole 211,
In conjunction with shown in Fig. 4 to 7, drag link mechanism 4 comprises handle 41, stay rod pin 42, spring 43, guide 44, rectangle support45, guide 44 hollows, guide 44 internal upper parts are provided with baffle plate 441, the inwall laminating of the outer wall of baffle plate 441 and guide 44,The interior bottom of guide 44 is provided with step through-hole 442, and the top of stay rod pin 42 is connected with handle 41, and establish the bottom of stay rod pin 42Be equipped with oval baffle plate 421, the shape of oval baffle plate 421 is identical with the shape of the lower stomidium of step through-hole 442, and stay rod pin 42 is wornThe lower surface of crossing baffle plate 441, step through-hole 442 and stretching out guide 44, pull bar pin-and-hole 212 can be inserted in the lower end of stay rod pin 42,Spring 43 is sleeved on stay rod pin 42 middle part outer surfaces, and the upper end of spring 43 withstands on baffle plate 441 lower surfaces, the lower end of spring 43Withstand on oval baffle plate 421 upper surfaces, support 45 lower ends are fixedly connected on the transverse slat 21 of upside, and support 45 tops are provided with circleHole, circular hole is coaxial with pull bar pin-and-hole 212, and the outer wall of guide 44 is fixedly connected with the inwall of circular hole, and guide is arranged in circular hole,Guide 44 upper ends are provided with access panel 46, and access panel 46 fits with guide 44 inwalls, the edge of access panel 46 be provided with toA few peep hole 461. On riser 22, be provided with multiple bolts hole 221.
When use, the riser of plug housing 22 is connected with flat pad umbilical tower bolt by bolt hole 221, by limiting plate 1 andFork main shaft 5 ' is fixedly connected with, and in the present invention, adopts and is welded and fixed.
The course of work of the present invention in the time that fork is arranged is: before fork is being arranged, confirmation square cotter 3 has been extracted and withdrawn, pull-up pull barThe handle 41 of mechanism 4 makes its half-twist, unclamps handle 41, and stay rod pin 42 rebounds under spring action, from peep hole 461Observe, confirm the upper surface good contact of stay rod pin 42 lower ends through pull bar pin-and-hole 212 and limiting plate 1, fork starts action,In course of action, the lower end of stay rod pin 42 is fitted and is slided with the upper surface of limiting plate 1 all the time, because limiting plate design angle isThe folded angle of limiting plate two working face is less than the angle of arranging of fork, and in present embodiment, the design angle of limiting plate is 90 °, soArrange angle when fork and be greater than after 90 °, stay rod pin 42 inserts completely in pull bar pin-and-hole 212 under spring force and Action of Gravity Field,Block a side 12 of limiting plate 1, restriction fork swings back.
The course of work of the present invention in the time that fork swings back is: before fork swings back, pull-up stay rod pin 42 half-twist, unclamp alsoRotate and confirm that the oval baffle plate 421 of stay rod pin 42 has been stuck in the step through-hole 442 of guide 44 interior settings, to ensure stay rod pin 42Can not eject because of fork vibration. After fork swings back, manually square cotter 3 is inserted in square cotter hole 211, thereby block limiting plateAnother side 12 of 1, restriction fork is arranged.
Above-described embodiment is described the preferred embodiment of the present invention, not scope of the present invention is carried outLimit, design under the prerequisite of spirit not departing from the present invention, those of ordinary skill in the art make technical scheme of the present inventionVarious distortion and improvement, all should fall in the definite protection domain of the claims in the present invention book.
Claims (3)
1. a fork machinery position-limit mechanism, is characterized in that: comprise limiting plate (1), plug housing (2), square cotter (3), drawLinkage (4), described limiting plate (1) is fan-shaped, and the two sides of described limiting plate (1) are working face, and two working faces formAngle be less than the angle of arranging of fork, described limiting plate (1) is provided with the first through hole (11) near center position, described insertingKey seat (2) comprise parallel and spaced two transverse slats (21), with all risers connected vertically of one end of two transverse slats (21)(22), between two transverse slats (21) and riser (22), form groove (23), the edge of described limiting plate (1) can insert latchIn the groove (23) of seat (2), on the transverse slat (21) of upside, be provided with square cotter hole (211) and pull bar pin-and-hole (212), instituteState square cotter hole (211) and pull bar pin-and-hole (212) is through hole, described square cotter (3) lower end can be inserted in square cotter hole (211),Described drag link mechanism (4) comprises handle (41), stay rod pin (42), spring (43), guide (44), rectangle support (45),Described guide (44) hollow, guide (44) internal upper part is provided with baffle plate (441), the outer wall of baffle plate (441) and guide (44)Inwall laminating, the interior bottom of guide (44) is provided with step through-hole (442), the top of described stay rod pin (42) and handle (41)Connect, the bottom of described stay rod pin (42) is provided with oval baffle plate (421), shape and the step through-hole of oval baffle plate (421)(442) shape of lower stomidium is identical, and stay rod pin (42) is through baffle plate (441), step through-hole (442) and stretch out guide(44) lower surface, pull bar pin-and-hole (212) can be inserted in the lower end of stay rod pin (42), and described spring (43) is sleeved on pull barPin (42) middle part outer surface, the upper end of spring (43) withstands on baffle plate (441) lower surface, and the lower end of spring (43) withstands on lengthJustify baffle plate (421) upper surface, described support (45) lower end is fixedly connected on the transverse slat (21) of upside, described support (45)Top is provided with circular hole, and described circular hole is coaxial with stay rod pin (212), and the outer wall of described guide (44) and the inwall of circular hole are fixedConnect.
2. fork machinery position-limit mechanism according to claim 1, is characterized in that: described guide (44) upper end is provided withAccess panel (46), described access panel (46) fits with guide (44) inwall, and the edge of described access panel (46) is provided withAt least one peep hole (461).
3. fork machinery position-limit mechanism according to claim 2, is characterized in that: on described riser (22), be provided with manyIndividual bolt hole (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410344416.5A CN104236388B (en) | 2014-07-18 | 2014-07-18 | Fork machinery position-limit mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410344416.5A CN104236388B (en) | 2014-07-18 | 2014-07-18 | Fork machinery position-limit mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104236388A CN104236388A (en) | 2014-12-24 |
| CN104236388B true CN104236388B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410344416.5A Active CN104236388B (en) | 2014-07-18 | 2014-07-18 | Fork machinery position-limit mechanism |
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| Country | Link |
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| CN (1) | CN104236388B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044900B (en) * | 2016-12-26 | 2019-02-19 | 江西省智成测控技术研究所有限责任公司 | A kind of swing rod locking device |
| CN110030874B (en) * | 2019-03-29 | 2021-06-11 | 北京航天发射技术研究所 | Swing rod withdrawing system for automatic zero-second swinging of rocket during takeoff |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU95111719A (en) * | 1995-07-06 | 1997-06-27 | Государственный ракетный центр "КБ им.акад.В.П.Макеева" | Method of evacuation of launch vehicle from ship to water |
| RU2150656C1 (en) * | 1998-12-18 | 2000-06-10 | Государственный ракетный центр "КБ им. акад. В.П.Макеева" | Rocket mock-up launcher |
| CN103092120A (en) * | 2011-10-27 | 2013-05-08 | 北京航天发射技术研究所 | Highly-reliable control system and highly-reliable control method of oscillating bar |
-
2014
- 2014-07-18 CN CN201410344416.5A patent/CN104236388B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU95111719A (en) * | 1995-07-06 | 1997-06-27 | Государственный ракетный центр "КБ им.акад.В.П.Макеева" | Method of evacuation of launch vehicle from ship to water |
| RU2150656C1 (en) * | 1998-12-18 | 2000-06-10 | Государственный ракетный центр "КБ им. акад. В.П.Макеева" | Rocket mock-up launcher |
| CN103092120A (en) * | 2011-10-27 | 2013-05-08 | 北京航天发射技术研究所 | Highly-reliable control system and highly-reliable control method of oscillating bar |
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| Publication number | Publication date |
|---|---|
| CN104236388A (en) | 2014-12-24 |
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