CN107476182A - A kind of two level springboard automatic turning mechanism with locking device - Google Patents
A kind of two level springboard automatic turning mechanism with locking device Download PDFInfo
- Publication number
- CN107476182A CN107476182A CN201710519677.XA CN201710519677A CN107476182A CN 107476182 A CN107476182 A CN 107476182A CN 201710519677 A CN201710519677 A CN 201710519677A CN 107476182 A CN107476182 A CN 107476182A
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- CN
- China
- Prior art keywords
- springboard
- oil cylinder
- split nut
- locking device
- big
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- 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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/127—Portable or sectional bridges combined with ground-supported vehicles for the transport, handling or placing of such bridges or of sections thereof
Abstract
The present invention discloses a kind of two level springboard switching mechanism with locking device, can reliably realize that the upset of the automatic turning and big springboard of size springboard is only locked.The switching mechanism includes big springboard switching mechanism, big springboard switching mechanism locking device and jete slab overturning machine structure；During turning unfolding, small springboard automatic turning is made in place by jete slab overturning machine structure first, then in the case where locking device is in released state, the expansion for realizing springboard by big springboard switching mechanism is overturn；When big springboard, which overturns a certain angle, to be needed to fix, stop overturning oil cylinder motion, manipulate locking device and be in the lock state, realize that the only lock of big springboard is fixed.
Description
Technical field
The present invention relates to a kind of automatic turning mechanism, and in particular to a kind of two level switching mechanism with locking device.
Background technology
Voluntarily the two sides end of the bridge of boats is usually provided with and connects bank springboard crawler belt, and usual springboard is two level springboard, including first
Level springboard (hereinafter referred to as big springboard) and second level springboard (hereinafter referred to as small springboard), wherein big springboard one end and crawler belt Self-sailing boat
Bridge casing end is hinged, and the other end is hinged with small springboard.Big springboard can be turned over by big springboard switching mechanism from crawler belt Self-sailing boat
Bridge casing by big springboard to specified location (or removing receipts to crawler belt voluntarily specified location on bridge of boats casing)；Will be small by manually overturning
Springboard is turned over from big springboard to specified location (or artificial receipts of removing are to specified location on big springboard).
Big springboard need to often be overturn in operation and carry out other operations again in a certain angle and fixation, at present big springboard upset
Generally use hydraulic pressure overturns system, and it overturns locking and realized by hydraulic system internal valve member, although having only lock function,
Its reliability is not high, easily causes big springboard and only locks the unexpected upset of failure and cause the damage of personnel and equipment.And small springboard uses
The work pattern manually overturn, operation process controlling extent is low, efficiency is low.
The content of the invention
In view of this, the present invention provides a kind of two level springboard automatic turning mechanism with locking device, can reliably realize
The upset of the automatic turning of size springboard and big springboard is only locked, it is ensured that the automation of springboard upset operation and security.
The technical scheme is that：
A kind of two level springboard automatic turning mechanism with locking device, including：One-level springboard switching mechanism and two level springboard
Switching mechanism；Also include being used for the locking device for carrying out one-level springboard position locking；
The one-level springboard switching mechanism includes：First overturning oil cylinder and connecting rod；In the end of first overturning oil cylinder
It is provided with oil cylinder pull bar；One end of the connecting rod is hinged with the oil cylinder pull bar, the other end and the connecting rod support on springboard
It is be hinged；Rack is provided with the outer circumference surface of the oil cylinder pull bar；
The locking device includes：Bearing, only split nut and the actuating unit for driving the only split nut rotation；Institute
State only split nut and the oil cylinder pull bar is coaxial, the only split nut is arranged in the locating slot of bearing, and can be described
Its axial rotation of the locating slot interior edge of bearing；It is described to be only provided with internal tooth, the oil cylinder pull bar on the inner peripheral surface of split nut
Through only split nut, when the only split nut turns to the internal tooth and the rack position under the drive of the actuating unit
The oil cylinder pull bar is pinned in internal tooth and the rack engagement during to corresponding to；
The two level springboard switching mechanism includes：Second overturning oil cylinder, straight connecting rod and bent connecting rod；Second overturning oil cylinder
End be hinged with the second oil cylinder seat being fixed on big springboard；One end of the bent connecting rod and two straight connecting rods respectively with it is described
The piston rod of second overturning oil cylinder is hinged, and the other end of the bent connecting rod is hinged with the bent connecting rod base being fixed on big springboard, and two
The other end of straight connecting rod described in root is hinged with two direct-connected pole sockets being fixed in the middle part of small springboard respectively, the end of the small springboard
It is hinged with the end of itself and big springboard connected end.
As a kind of preferred embodiment of the present invention, locking mark rod, the locking mark are provided with the locking device
Know bar by connecting plate with the only split nut to be connected, locked position mark is provided with the locking mark rod.
As a kind of preferred embodiment of the present invention, for locking oil untill driving the actuating unit that split nut rotates described only
Cylinder；The only split nut is hinged by the piston rod of connecting plate and only lock oil cylinder, is only locked so as to be driven by the only lock oil cylinder
Nut is in its axial rotation of the locating slot interior edge of bearing.
As a kind of preferred embodiment of the present invention, the guiding for guiding is additionally provided with the one-level springboard switching mechanism
Roller and guide groove；The guide roller is arranged on the oil cylinder pull bar, and the guide groove is arranged on the guide roller
Moving direction on；When first overturning oil cylinder works, the oil cylinder pull bar is by the guide roller along guide groove
Move along a straight line.Beneficial effect
(1) switching mechanism realizes the automatic turning of two level springboard, changes big springboard automatic turning in the past, small springboard
The work pattern manually overturn, operation process controlling extent is high, labor intensity is low, efficiency high.
(2) locking device is provided with big springboard switching mechanism, big springboard is improved and stops the reliability locked, security
It is high.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the two level springboard switching mechanism with locking device of the present invention；
Fig. 2 is the structural representation of the medium and small springboard switching mechanism of the present invention；
Fig. 3 is the schematic diagram of big springboard overturning oil cylinder in the present invention；
Fig. 4 stops lock operation schematic diagram for big springboard upset in the present invention；
Fig. 5 is the operation process schematic diagram of the two level springboard switching mechanism with locking device of the present invention.
Wherein：The oil cylinder seats of 1- first, 2- the first overturning oil cylinder A, 3- locking device, 4- oil cylinders pull bar, 5- connecting rods, 6-
Two oil cylinder seats, the overturning oil cylinders of 7- second, the direct-connected pole sockets of 8-, 9- straight connecting rods, 10- songs connecting rod base, 11- songs connecting rod, 12- orienting rolls
Wheel, 13- only lock oil cylinder, 14- lockings mark rod, 15- and stop split nut, 16- bearings
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
The present embodiment provides a kind of two level springboard switching mechanism with locking device for the crawler belt voluntarily bridge of boats, Neng Gouke
The upset of automatic turning and big springboard by realizing size springboard is only locked.
The two level springboard switching mechanism turns over including big springboard switching mechanism, big springboard switching mechanism locking device and small springboard
Rotation mechanism.
As depicted in figs. 1 and 2, big springboard switching mechanism includes：First oil cylinder seat 1, the first overturning oil cylinder 2, oil cylinder push-and-pull
Bar 4 and connecting rod 5；Wherein the first oil cylinder seat 1 is welded on crawler belt voluntarily in bridge of boats casing, passes through bearing pin and the tail of the first overturning oil cylinder 2
Portion's connecting hole is connected.The head of the piston rod of first overturning oil cylinder 2 is connected with oil cylinder pull bar 4, on the periphery of oil cylinder pull bar 4
The axially symmetric rack for being provided with two certain lengths, the head engaging lug outside of oil cylinder pull bar 4 are provided with two groups of orienting rolls
Wheel 12.One end of connecting rod 5 and the head of oil cylinder pull bar 4 are hinged, and the other end is hinged with the connecting rod support on big springboard.Thus
Oil cylinder pull bar 4 is set to be moved along a straight line in the guide groove in bridge of boats casing (straight line by the stretching motion of the first overturning oil cylinder 2
In motion process, guide roller 12 coordinates with guide groove to play the guiding role), and then big springboard is driven by connecting rod 5, realize big jump
The automatic turning operation of plate.
In operation process when big springboard, which is overturn to a certain angle, to be needed to stop fixed, stop oil cylinder and stretch, manipulate and only lock
Device, the piston rod of the first overturning oil cylinder 2 is pinned, prevents it big springboard is firmly fixed to the angle from moving axially.
The structure of locking device 3 as shown in figure 4, including：Only split nut 15, only lock oil cylinder 13, locking mark rod 14 and branch
Seat 16.Wherein bearing 16 is fixed on crawler belt voluntarily in bridge of boats casing, and only split nut 15 is arranged in the locating slot of bearing 16, only locks spiral shell
Mother 15 is coaxial with the piston rod of the first overturning oil cylinder 2, and its excircle coordinates with bearing 16 to be axially rotated in bearing 16, is
Prevent stuck phenomenon occur when rotating, it is kidney slot to be located groove processing, makes only that split nut 15 can be upper and lower in locating slot
Skew carries out automatic adjusument.Only the inner periphery of split nut 15 is axially disposed two symmetrical internal tooths, and oil cylinder pull bar 4 is worn
Only split nut 15 is crossed, when the rack on oil cylinder pull bar 4 during only internal tooth position correspondence in split nut 15 with meshing together, is reached
To the purpose of the piston rod of the first overturning oil cylinder 2 of locking.Only the excircle of split nut 15 is provided with two connecting plates, a connecting plate
It is be hinged with only lock oil cylinder 13, when only locking the piston rod movement of oil cylinder 13, driven by connecting plate and stop split nut 15 in bearing 16
Its axial rotation of locating slot interior edge, the internal tooth only in split nut 15 is set to form engagement with the rack of oil cylinder pull bar 4, separate, it is real
The locking and unblock of existing springboard position.Another connecting plate is connected with locking mark rod 14, is locked and is provided with lock on mark rod 14
Tight station location marker, when only split nut 15 rotates, locking mark rod 14 is driven to move up and down, and then whether judge locking device 3
Locking.Only lock oil cylinder 13 and crawler belt is fixed on voluntarily in bridge of boats casing by free bearing.
As shown in figures 1 and 3, jete slab overturning machine structure includes：Second oil cylinder seat 6, the second overturning oil cylinder 7, direct-connected pole socket
8th, straight connecting rod 9, bent connecting rod base 10 and bent connecting rod 11.Wherein the second oil cylinder seat 6 is ears seat, its bottom and big springboard welding machine, the
The end of two overturning oil cylinders 7 is be hinged by latch and the second oil cylinder seat 6；The piston rod front end of second overturning oil cylinder 7 is ears head,
One end of bent connecting rod 11 is hinged among ears head, and the other end and the bent connecting rod base 10 being fixed on big springboard are be hinged；Two straight
Ears head of the one end of connecting rod 9 respectively with the piston rod front end of the second overturning oil cylinder 7 is hinged, and the other end is respectively with being fixed on small springboard
Two direct-connected pole sockets 8 at middle part are be hinged, the end of small springboard and are hinged with the end of big springboard connected end.Can be small by being welded on
Three ear mounts on springboard are realized be hinged with two straight connecting rods 9 and big springboard respectively；Piston rod ears are realized by a latch
Head, 11, two straight connecting rods 9 of bent connecting rod it is be hinged.When the second overturning oil cylinder 7 stretches, drive by straight connecting rod 9 and bent connecting rod 11
The connecting rod mechanism movement of composition, realize expansion of the small springboard on big springboard.
As shown in figure 5, the springboard process of organizing work of the two level springboard switching mechanism is：When initial, big springboard and jete
Plate is in folded state, and small springboard is folded in above big springboard.When needing expansion, manipulating only lock oil cylinder 13 motion first makes to stop
The internal tooth of split nut 15 is in open mode (not engaging) with the rack of oil cylinder pull bar 4, that is, ensures big springboard switching mechanism
In the piston rod of the first overturning oil cylinder 2 be in released state.Then manipulating the second overturning oil cylinder 7 makes its piston rod be moved to outside cylinder body
It is dynamic, so as to drive bent connecting rod 11, the motion of straight connecting rod 9 small springboard is opened upset, until small springboard is opened completely.Small springboard is opened
In switching process, it is flipped up first by horizontality to vertical state, is then outwards expanded to again and is in same with big springboard
The horizontality of horizontal plane.After small springboard is opened completely, manipulating the first overturning oil cylinder 2 makes its piston rod drive oil cylinder pull bar 4
Move into cylinder body, moved linearly by head guide roller 12 in guide groove, drivening rod 5 first is around it in moving process
Rotated with the pin end of oil cylinder pull bar 4, big springboard is overturn to vertical state；Then the piston rod of the first overturning oil cylinder 2 after
Continue and moved into its cylinder body, drive big springboard to be rotated around big springboard and bridge of boats casing end pin joint by connecting rod 5, realize big jump
The expansion upset of plate.When big springboard, which overturns a certain angle, to be needed to fix, stop the first overturning oil cylinder 2 and move, manipulate and only lock oil
Cylinder 13 motion make only the internal tooth of split nut 15 be in bonding state (i.e. internal tooth engages with rack) with the rack on oil cylinder pull bar 4,
Realize that the only lock of big springboard is fixed, big springboard is firmly fixed to the angle.Springboard, which is removed, receives operation process with deploying process phase
Instead.
To sum up, presently preferred embodiments of the present invention is these are only, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., the protection of the present invention should be included in
Within the scope of.
Claims (6)
1. a kind of two level springboard automatic turning mechanism with locking device, including：One-level springboard switching mechanism and two level springboard turn over
Rotation mechanism；Characterized in that, also include being used for the locking device (3) for carrying out one-level springboard position locking；
The one-level springboard switching mechanism includes：First overturning oil cylinder (2) and connecting rod (5)；In first overturning oil cylinder (2)
End set has oil cylinder pull bar (4)；One end of the connecting rod (5) is be hinged with the oil cylinder pull bar (4), the other end and springboard
On connecting rod support be hinged；Rack is provided with the outer circumference surface of the oil cylinder pull bar (4)；
The locking device (3) includes：Bearing (16), stop split nut (15) and for driving only split nut (15) rotation
Actuating unit；With the oil cylinder pull bar (4) coaxially, the only split nut (15) is arranged on bearing to the only split nut (15)
(16) in locating slot, and can be in its axial rotation of the locating slot interior edge of the bearing (16)；The only split nut (15)
Internal tooth is provided with inner peripheral surface, the oil cylinder pull bar (4) is through only split nut (15), when the only split nut (15) is in institute
State turned under the drive of actuating unit the internal tooth and the rack position to it is corresponding when internal tooth and the rack engagement pin institute
State oil cylinder pull bar (4)；
The two level springboard switching mechanism includes：Second overturning oil cylinder (7), straight connecting rod (9) and bent connecting rod (11)；Described second turns over
End and the second oil cylinder seat (6) being fixed on big springboard for turning oil cylinder (7) are be hinged；The bent connecting rod (11) and two straight connecting rods
(9) piston rod of the one end respectively with second overturning oil cylinder (7) is hinged, and the other end of the bent connecting rod (11) is with being fixed on
Bent connecting rod base (10) on big springboard is be hinged, and the other end of two straight connecting rods (9) is respectively with being fixed in the middle part of small springboard
Two direct-connected pole sockets (8) are be hinged, and the end of the small springboard and the end of itself and big springboard connected end are hinged.
2. the two level springboard automatic turning mechanism with locking device as claimed in claim 1, it is characterised in that only locked described
Locking mark rod (14) is provided with device (3), the locking mark rod (14) passes through connecting plate and the only split nut (15)
It is connected, locked position mark is provided with the locking mark rod (14).
3. the two level springboard automatic turning mechanism with locking device as claimed in claim 1, it is characterised in that for driving
Oil cylinder (13) is locked untill stating the actuating unit that only split nut (15) rotates；The only split nut (15) is by connecting plate with only locking oil
The piston rod of cylinder (13) is hinged, so as to drive the locating slot for stopping split nut (15) in bearing (16) by the only lock oil cylinder (13)
Its axial rotation of interior edge.
4. the springboard switching mechanism with locking device as described in claim 1,2 or 3, it is characterised in that：The one-level springboard
The guide roller (12) and guide groove for guiding are additionally provided with switching mechanism；The guide roller (12) is arranged on the oil
On cylinder pull bar (4), the guide groove is arranged on the moving direction of the guide roller (12)；When first overturning oil cylinder
(2) when working, the oil cylinder pull bar (4) is moved along a straight line by the guide roller (12) along guide groove.
5. the springboard switching mechanism with locking device as described in claim 1,2 or 3, it is characterised in that：Pushed away in the oil cylinder
Two axially symmetric racks (6) are provided with the periphery of pull bar (4), are only set described on split nut (13) inner peripheral surface
There are two axially symmetric internal tooths (12).
6. the springboard switching mechanism with locking device as described in claim 1,2 or 3, it is characterised in that：The bearing (16)
The upper locating slot for being used to install the only split nut (15) is kidney slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710519677.XA CN107476182B (en) | 2017-06-30 | 2017-06-30 | Automatic second-stage springboard overturning mechanism with locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710519677.XA CN107476182B (en) | 2017-06-30 | 2017-06-30 | Automatic second-stage springboard overturning mechanism with locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107476182A true CN107476182A (en) | 2017-12-15 |
| CN107476182B CN107476182B (en) | 2020-10-20 |
Family
ID=60596132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710519677.XA Active CN107476182B (en) | 2017-06-30 | 2017-06-30 | Automatic second-stage springboard overturning mechanism with locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107476182B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041974A (en) * | 2020-01-14 | 2020-04-21 | 安徽水安建设集团股份有限公司 | Lap joint bridge for water conservancy ditch |
| CN112682452A (en) * | 2020-12-15 | 2021-04-20 | 中铁大桥勘测设计院集团有限公司 | Built-in locking type multifunctional adjustable damper and bridge structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030165590A1 (en) * | 2000-05-23 | 2003-09-04 | Jorg Dantlgraber | Injection unit for a plastic injection moulding machine |
| CN2609964Y (en) * | 2003-04-18 | 2004-04-07 | 中国人民解放军63983部队 | Drawboard lifting device |
| CN201784151U (en) * | 2010-09-07 | 2011-04-06 | 宁波新海太塑料机械有限公司 | Die locking device of two-plate pull rod telescopic injection-molding machine |
| CN103203621A (en) * | 2013-03-21 | 2013-07-17 | 浙江正裕工业股份有限公司 | Automobile shock absorber piston rod locking device |
| CN204036784U (en) * | 2014-07-10 | 2014-12-24 | 宁波新海太塑料机械有限公司 | A kind of two plate clamping apparatus |
| CN105603864A (en) * | 2015-12-29 | 2016-05-25 | 湖北华舟重工应急装备股份有限公司 | Bridge deploying mechanism for mechanical bridge |
| CN106544951A (en) * | 2016-10-18 | 2017-03-29 | 湖北华舟重工应急装备股份有限公司 | A kind of crawler belt vehicular mechanization obstacle detouring passage |
-
2017
- 2017-06-30 CN CN201710519677.XA patent/CN107476182B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030165590A1 (en) * | 2000-05-23 | 2003-09-04 | Jorg Dantlgraber | Injection unit for a plastic injection moulding machine |
| CN2609964Y (en) * | 2003-04-18 | 2004-04-07 | 中国人民解放军63983部队 | Drawboard lifting device |
| CN201784151U (en) * | 2010-09-07 | 2011-04-06 | 宁波新海太塑料机械有限公司 | Die locking device of two-plate pull rod telescopic injection-molding machine |
| CN103203621A (en) * | 2013-03-21 | 2013-07-17 | 浙江正裕工业股份有限公司 | Automobile shock absorber piston rod locking device |
| CN204036784U (en) * | 2014-07-10 | 2014-12-24 | 宁波新海太塑料机械有限公司 | A kind of two plate clamping apparatus |
| CN105603864A (en) * | 2015-12-29 | 2016-05-25 | 湖北华舟重工应急装备股份有限公司 | Bridge deploying mechanism for mechanical bridge |
| CN106544951A (en) * | 2016-10-18 | 2017-03-29 | 湖北华舟重工应急装备股份有限公司 | A kind of crawler belt vehicular mechanization obstacle detouring passage |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041974A (en) * | 2020-01-14 | 2020-04-21 | 安徽水安建设集团股份有限公司 | Lap joint bridge for water conservancy ditch |
| CN112682452A (en) * | 2020-12-15 | 2021-04-20 | 中铁大桥勘测设计院集团有限公司 | Built-in locking type multifunctional adjustable damper and bridge structure |
| CN112682452B (en) * | 2020-12-15 | 2022-03-18 | 中铁武汉大桥工程咨询监理有限公司 | Built-in locking type multifunctional adjustable damper and bridge structure |
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| Publication number | Publication date |
|---|---|
| CN107476182B (en) | 2020-10-20 |
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