CN102490695B - Slide bar locking mechanism, support leg supporting device and engineering machine - Google Patents
Slide bar locking mechanism, support leg supporting device and engineering machine Download PDFInfo
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- CN102490695B CN102490695B CN201110421367.7A CN201110421367A CN102490695B CN 102490695 B CN102490695 B CN 102490695B CN 201110421367 A CN201110421367 A CN 201110421367A CN 102490695 B CN102490695 B CN 102490695B
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Abstract
The invention relates to a slide bar locking mechanism, which comprises a slide bar and a locking pin. A recess and a stop portion are arranged on the locking pin, the stop portion is limited by the recess, the locking pin can rotate and correspondingly has an unlocking state and a locking state, the slide bar can slide into the recess of the locking pin when the locking pin rotates properly so that the locking mechanism is unlocked, and the slide bar is stopped by the stop portion of the locking pin, cannot move and is locked in the recess of the locking pin when the locking pin rotates properly so that the locking mechanism is locked. The invention further relates to a support leg supporting device and an engineering machine comprising the support leg supporting device.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of sliding bar lockout mechanism, supporting leg supporting and construction machinery and equipment.
Background technology
Construction machinery and equipment is widely used in the engineering fields such as building, water conservancy, electric power, road, mine, harbour and national defence, of a great variety.Many construction machinery and equipments, especially large-tonnage construction machinery and equipment, movable crane for example, its chassis, except being provided with wheel, is generally also provided with telescopic leg, to do not increasing under the condition of mechanical width, for it provides larger support span.
Please refer to Fig. 1, existing supporting leg supporting 10 comprises the telescopic oil cylinder 16 being arranged between supporting leg 12 and vehicle seat 14, and the expansion of supporting leg 12 is controlled by telescopic oil cylinder 16 with retraction.When supporting leg 12 all launches, by the locked telescopic oil cylinder 16 of locking limit valve of telescopic oil cylinder 16, thereby restriction supporting leg 12 is in the displacement of expansion direction.But the application force that car load work (revolution etc.) produces, because burst and immeasurability usually make the disabler of locking limit valve or damage.Therefore there is following shortcoming in existing supporting leg supporting 10: 1, the locking limit valve of telescopic oil cylinder is poor to huge burst application force reliability of service, easily causes valve member to damage, and fault rate is higher; 2, the locking limit valve of telescopic oil cylinder has retardance as the used time, can not complete in time spacing.Although bearing pin that can additional activity carries out supporting leg 12 and vehicle seat 14 spacing,, more difficult to large-tonnage construction machinery and equipment assembling activity bearing pin, and location should not control, and in addition, after active pin shaft dismounting, inconvenience is placed.
Summary of the invention
The invention provides a kind of sliding bar lockout mechanism, there is higher reliability and handling preferably.
In addition, be necessary to provide a kind of supporting leg supporting with above-mentioned sliding bar lockout mechanism.
In addition, be also necessary to provide a kind of construction machinery and equipment with above-mentioned supporting leg supporting.
For reaching above-mentioned advantage, the invention provides a kind of sliding bar lockout mechanism, comprise sliding bar, sliding rail and lock pin, this sliding bar can slide along this sliding rail, this lock pin is arranged on one end of this sliding rail, the stop section that this lock pin is provided with depressed part and is limited by this depressed part, this lock pin is rotatable and to having release and locking two states, this lock pin turns to and makes this lockout mechanism when released state, this sliding bar is in this sliding rail can slip into the depressed part of this lock pin or in this depressed part, can slide out to this sliding rail, this lock pin turns to when this lockout mechanism is in the lock state, thereby this sliding bar is stopped by the stop section of this lock pin, cannot be moved on this sliding rail and lock this sliding bar in the depressed part of this lock pin.
In one embodiment of this invention, the bar handle that this lock pin comprises bearing pin main body and is arranged on this bearing pin main body one end, this depressed part and stop section are formed in this bearing pin main body.
In one embodiment of this invention, this sliding bar lockout mechanism also comprises fixture block, this fixture block comprises depression and is positioned at the screens groove of these depression both sides, the bearing pin main body of this lock pin and the junction of bar handle are positioned at this depression, and this bar handle is optionally locked in one of them screens groove of this fixture block.
In one embodiment of this invention, this stop section comprises and is positioned at the U-shaped boss at these bearing pin main body two ends and the connecting portion that connects these two U-shaped boss, these two U-shaped boss are extended to the middle part of this bearing pin main body along its outer rim by the two ends of this bearing pin main body respectively, and these two U-shaped boss have respectively U-shaped wedge surface.
In one embodiment of this invention, this lockout mechanism further comprises the first stay bearing plate, and this first stay bearing plate comprises two spaced plate bodys, offers a through hole for holding this lock pin on each plate body.
In one embodiment of this invention, this lockout mechanism further comprises the second stay bearing plate, this second stay bearing plate is arranged between two plate bodys of this first stay bearing plate, this second stay bearing plate has a hook-shaped plate body and is positioned at the bearing surface of hook-shaped plate body recess, this bearing surface comprises guide-contour face, semicircle snap-latch surface and spacing end face, and this semicircle snap-latch surface is arranged between this guide-contour face and this spacing end face for holding this lock pin.
In one embodiment of this invention, the side of two plate bodys of this first stay bearing plate extends a baffle plate to the interval of these two plate bodys respectively, and the U-shaped wedge surface of these two U-shaped boss forms with the guide-contour face of this second stay bearing plate and the baffle plate of this first stay bearing plate the guide groove sliding for this sliding bar respectively.
In one embodiment of this invention, this lockout mechanism further comprises two orienting lugs, these two orienting lugs are separately positioned on the inner side of two plate bodys of this first stay bearing plate, and the U-shaped wedge surface of these two U-shaped boss forms with guide-contour face and this two orienting lugs of this second stay bearing plate the guide groove sliding for this sliding bar respectively.
For reaching above-mentioned advantage, the invention provides also a kind of supporting leg supporting, comprise the strut bar be located between supporting leg and vehicle seat, be arranged at the sliding rail on this vehicle seat and be arranged at the lockout mechanism on this vehicle seat, this strut bar has fixed end and sliding end, this fixed end and this supporting leg are hinged, this sliding end has the sliding bar with this sliding rail bearing fit, this lockout mechanism is arranged on one end of this sliding rail, this lockout mechanism comprises lock pin, the stop section that this lock pin is provided with depressed part and is limited by this depressed part; This lock pin is rotatable and to having release and locking two states, this lock pin turns to and makes this lockout mechanism when released state, this sliding bar can slip in the depressed part of this lock pin in this sliding rail, this lock pin turns to when this lockout mechanism is in the lock state, and this sliding bar is stopped and cannot to the direction at this sliding rail place, move to lock this sliding bar in the depressed part of this lock pin by the stop section of this lock pin.
In one embodiment of this invention, the bar handle that this lock pin comprises bearing pin main body and is arranged on this bearing pin main body one end, this depressed part and stop section are formed in this bearing pin main body.
In one embodiment of this invention, this stop section comprises and is positioned at the U-shaped boss at these bearing pin main body two ends and the connecting portion that connects these two U-shaped boss, and these two U-shaped boss are extended to the middle part of this bearing pin main body along its outer rim by the two ends of this bearing pin main body respectively.
In one embodiment of this invention, this lockout mechanism also comprises fixture block, this fixture block comprises the screens groove that caves in and be positioned at these depression both sides, and the junction of this bearing pin main body and this bar handle is positioned at this depression, and this bar handle is optionally locked in one of them screens groove of this fixture block.
In one embodiment of this invention, this supporting leg supporting further comprises articulated slab, and this articulated slab is fixed on this supporting leg, and the fixed end of this strut bar and this articulated slab are hinged.
In one embodiment of this invention, this supporting leg supporting further comprises the first stay bearing plate, and this first stay bearing plate comprises two spaced plate bodys, offers a through hole for holding this lock pin on each plate body.
In one embodiment of this invention, this supporting leg supporting further comprises the second stay bearing plate, this second stay bearing plate is arranged between two plate bodys of this first stay bearing plate, this second stay bearing plate has a hook-shaped plate body and is positioned at the bearing surface of hook-shaped plate body recess, this bearing surface comprises guide-contour face, semicircle snap-latch surface and the spacing end face tilting with this sliding rail, and this semicircle snap-latch surface is arranged between this guide-contour face and this spacing end face for holding this lock pin.
In one embodiment of this invention, the cylinder of this sliding bar and this sliding rail moving contact, and the bearing of trend that is axially perpendicular to this sliding rail of this sliding bar.
In one embodiment of this invention, this strut bar comprises that shaft, first connects bearing and second and connects bearing, this first connects bearing and second is connected bearing and passes through screw-threaded engagement with the two ends of this shaft respectively with this, this the first connection bearing and this supporting leg are hinged, and this sliding bar is arranged on this second connection bearing.
For reaching above-mentioned advantage, the invention provides also a kind of construction machinery and equipment, comprise vehicle seat and supporting leg, this vehicle seat and this supporting leg are hinged, and between this vehicle seat and this supporting leg, are provided with above-mentioned supporting leg supporting.
Compared to prior art, supporting leg supporting of the present invention and construction machinery and equipment are spacing to supporting leg physics by lockout mechanism, stop the shortcomings such as the spacing retardance of hydraulic valve, have high reliability; And by sliding rail design, save arrangement space, and strut bar is acted freely, have well handling.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate appended graphicly, be described in detail below.
Accompanying drawing explanation
Fig. 1 is that the supporting leg of prior art construction machinery and equipment is in entirely stretching the plan view of state.
Fig. 2 is the plan view of supporting leg supporting leg supporting when entirely stretching state in the embodiment of the present invention.
Fig. 3 is the plan view of supporting leg supporting leg supporting when full reduced state in the embodiment of the present invention.
Fig. 4 is the three-dimensional view of supporting leg supporting leg supporting when entirely stretching state in the embodiment of the present invention.
Fig. 5 is the three-dimensional view of supporting leg supporting leg supporting when full reduced state in the embodiment of the present invention.
Fig. 6 is the decomposition view of the supporting leg supporting of the embodiment of the present invention.
Fig. 7 is the decomposition view of articulated slab.
Fig. 8 is the decomposition view of strut bar.
Fig. 9 is the three-dimensional view of the first stay bearing plate, sliding rail and the second stay bearing plate.
Figure 10 is the decomposition view of Fig. 9.
Figure 11 is the decomposition view of part lockout mechanism.
Figure 12 is the decomposition view of lockout mechanism.
Figure 13 is the three-dimensional view that lockout mechanism is in the lock state.
Figure 14 is the three-dimensional view of lockout mechanism in released state.
Figure 15 is the decomposing schematic representation of lockout mechanism in another embodiment.
Figure 16 is the partial enlarged drawing of the lockout mechanism shown in Figure 15 in released state.
The specific embodiment
A kind of supporting leg supporting of preferred embodiment of the present invention is mainly applicable to have the construction machinery and equipment of supporting leg, and vehicle seat and the supporting leg of construction machinery and equipment are hinged.Under normal condition, supporting leg draws the sidepiece at vehicle seat in, and while needing operation, under the effect of telescopic oil cylinder, supporting leg launches to support the vehicle body of construction machinery and equipment.
More safe and reliable when guaranteeing operation, the present invention, installing supporting leg supporting between supporting leg and vehicle seat additional to strengthen supporting leg in the stability of entirely stretching under state, guarantees that the operation of construction machinery and equipment is normally carried out.
Fig. 2 is the plan view of supporting leg supporting leg supporting when entirely stretching state; Fig. 3 is the plan view of supporting leg supporting leg supporting when full reduced state; Fig. 4 is the three-dimensional view of supporting leg supporting leg supporting when entirely stretching state; Fig. 5 is the three-dimensional view of supporting leg supporting leg supporting when full reduced state; And Fig. 6 is the decomposing schematic representation of supporting leg supporting.Referring to Fig. 2 to Fig. 6, the supporting leg supporting 20 that the embodiment of the present invention provides, comprise and be located at the supporting leg 22 of construction machinery and equipment and the strut bar 26 between vehicle seat 24, be arranged at the sliding rail 28 on vehicle seat 24 sides, and be arranged at the lockout mechanism 30 on vehicle seat 24 sides.Lockout mechanism 30 is arranged on one end of sliding rail 28.Strut bar 26 has fixed end and sliding end, and fixed end and supporting leg 22 are hinged, sliding end and sliding rail 28 bearing fits.Lockout mechanism 30 is for the sliding end of lock support bar 26 when supporting leg 22 launches.After lockout mechanism 30 lock support bars 26, the support function that strut bar 26 is realized supporting leg 22; Unlock after the locking of 30 pairs of strut bars 26 of mechanism, (telescopic oil cylinder is only shown in Fig. 2 and Fig. 3 at telescopic oil cylinder 32 for supporting leg 22, in other figure, omit) effect under freely launch and retract, simultaneously strut bar 26 is along the guide direction automatic deploying and retracting of sliding rail 28.
Fig. 8 is the decomposition view of strut bar, and referring to Fig. 8, strut bar 26 is length-adjustable telescopic structure, and it comprises that the first connection bearing 260, second connects bearing 262 and connects the first connection bearing 260 and is connected the shaft 264 of bearing 262 with second.Shaft 264 is tubular structure, and two ends are equipped with negative thread, and first connects bearing 260 is connected bearing 262 and is provided with outside thread in the junction of itself and shaft 264 with second, be threaded connection with shaft 264.Preferably, the first connection bearing 260 is for example that dextrorotation is connected with shaft 264, the second connection bearing 262 is for example left-handed connection with shaft 264, the opposite direction of both helix lines, when the first connection bearing 260 is connected bearing 262 and is connected and fixed with miscellaneous part with second after, by rotating shaft 264, can regulate the length of strut bar 26.Like this, when installing for the first time, in the situation that the mounting hole of supporting leg 22 and vehicle seat 24 is apart from there being larger error, by regulating the length of strut bar 26, can makes up within the specific limits above-mentioned error, thereby complete smoothly assembling.
Referring to Fig. 7, on supporting leg 22, be provided with articulated slab 220.The fixed end of strut bar 26 is hinged by the first connection bearing 260 and the articulated slab 220 on supporting leg 22.First connects bearing 260 adopts oscillating bearing structures, and the accuracy of can assurance power transmitting is concrete, and first to connect bearing 260 can be flat platy structure.First connects bearing 260 stretches into after articulated slab 220 hingedly by bearing pin 222, and bearing pin 222 is by β pin 224 location.The movable end of strut bar 26 passes through the second sliding rail 28 bearing fits that connect on bearing 262 and vehicle seat 24, and is locked by lockout mechanism 30.
Referring again to Fig. 8, in the present embodiment, second connects bearing 262 adopts columnar stays, and that while both having guaranteed strut bar 26 folding and unfolding, had slided is flexible, and while also realizing locking, the movable end of strut bar 26 is connected with the effective of lockout mechanism 30.Concrete, second connects the sliding bar 2620 that bearing 262 comprises column.The bearing of trend near normal of the axis of sliding bar 2620 and strut bar 26.In the present embodiment, sliding bar 2620 is cylindrical, referring to Fig. 6, during sliding rail 28 bearing fit on the second connection bearing 262 and vehicle seat 24, the cylinder of sliding bar 2620 contacts with sliding rail 28, and the bearing of trend that is axially perpendicular to sliding rail 28 of sliding bar 2620.The second connection bearing 262 offers hollow hole 2622 near the part of sliding bar 2620, for matching with lockout mechanism 30.
Please refer to Fig. 9 to Figure 12, lockout mechanism 30 comprises the locking seat 300 being arranged on vehicle seat 24 sides and the lock pin 302 coordinating with 300 rotations of locking seat.Locking seat 300 comprises the first stay bearing plate 303, the second stay bearing plate 304 and the fixture block 305 that is arranged on vehicle seat 24 sides.The first stay bearing plate 303 and the second stay bearing plate 304 are for accommodating positioning lock shotpin 302, and fixture block 305 is for locking this lock pin 302.
Concrete, referring again to Fig. 9, the first stay bearing plate 303 comprises that two perpendicular to respectively offering a through hole 3032 and coaxially to each other on the side of vehicle seat 24 and 3030, two plate bodys 3030 of spaced plate body that are parallel to each other.The side of two plate bodys 3030 of the first stay bearing plate 303 vertically extends a baffle plate 3034 to the interval between two plate bodys 3030 respectively, is used to form the guide groove sliding for sliding bar 2620.Please refer to Figure 10, the second stay bearing plate 304 is arranged on the one end in sliding rail 28.The second stay bearing plate 304 comprises that at least one is perpendicular to the side of vehicle seat 24 and the spaced hook-shaped plate body 3040 and be positioned at the bearing surface 3041 of hook-shaped plate body 3040 recess of being parallel to each other, this bearing surface 3041 comprises guide-contour face 3042, semicircle snap-latch surface 3044 and the spacing end face 3046 tilting with sliding rail 28, and spacing end face 3046 is positioned at bill place.Semicircle snap-latch surface 3044 is arranged between guide-contour face 3042 and spacing end face 3046, for coordinating with lock pin 302.Spacing end face 3046 matches for the hollow hole 2622 with strut bar 26.
Please refer to Figure 11, lock pin 302 comprises the bearing pin main body 3020 of column and the bar handle 3022 that is fixed on bearing pin main body 3020 one end, bar handle 3022 and bearing pin main body 3020 near normal.In the present embodiment, bearing pin main body 3020 is cylindrical.The stop section 3026 that bearing pin main body 3020 comprises depressed part 3024 and limited by depressed part 3024, depressed part 3024 is for accommodating sliding bar 2620.In the present embodiment, stop section 3026 comprises the U-shaped boss 3028 that is positioned at bearing pin main body 3020 two ends and the connecting portion 3027 that connects two U-shaped boss.Two U-shaped boss 3028 are extended to the middle part of bearing pin main body 3020 along its outer rim by the two ends of bearing pin main body 3020 respectively, can spatially be formed for the semicircle snap-latch surface 3044 of the second stay bearing plate 304 accommodation space of accommodating sliding bar 2620.The U-shaped boss 3028 at two ends has U-shaped wedge surface 3029 and forms with the guide-contour face 3042 of the second stay bearing plate 304 and the baffle plate of the first stay bearing plate 303 3034 guide groove sliding for sliding bar 2620 respectively, realizes the slide-and-guide function that lockout mechanism 30 is opened rear sliding bar 2620.Fixture block 305 is made for elastomeric material (such as rubber etc.), has a depression 3050 and is positioned at the screens groove 3052 of depression 3050 both sides.Fixture block 305 is fixed on the side of vehicle seat 24 and is positioned at the outside of one of them plate body 3030 by bolt 312, realize spacing to the engaging of bar handle 3022 in two states of switch.In the through hole 3032 of two plate bodys 3030 of bearing pin main body 3020 insertion first stay bearing plates 303 of lock pin 302.The plate body 3030(that one end of bearing pin main body 3020 (in the present embodiment for bottom) is positioned at below by bolt 310 and positioning plate 308 is away from that plate body 3030 of fixture block 305) on.Wherein, the area of positioning plate 308 is greater than the through hole 3032 of this plate body 3030 and is arranged at the outside of this plate body 3030, bolt 310 is through the bottom (not being provided with one end of bar handle 3022) that is fixed on bearing pin main body 3020 after positioning plate 308, like this, bearing pin main body 3020 not only can but also can not split away off from the first stay bearing plate 303 with respect to the first stay bearing plate 303 rotations.The second stay bearing plate 304 is arranged between two plate bodys 3030, in the present embodiment to be provided with two the second stay bearing plates 304, certainly, arrange one or more the second stay bearing plates 304 also can, the present invention is not as limit.Bearing pin main body 3020 can be placed in the semicircle snap-latch surface 3044 of the second stay bearing plate 304 just, the junction of bearing pin main body 3020 and bar handle 3022 is positioned at the depression 3050 of fixture block 305, and bar handle 3022 can optionally be stuck in one of them the screens groove 3052 in two screens grooves 3052, prevents from becoming flexible.
Above-mentioned supporting leg supporting mechanism 20, when using first, first launches supporting leg 22, by regulating strut bar 26 to appropriate length to complete after installation, then regains supporting leg 22.In use afterwards, supporting leg 22 freely launch and retraction Shi Yao operational lock mechanism 30 in opening, realize the freedom retractable of supporting mechanism; At supporting leg 22, launch Hou， operational lock mechanism 30 completely and be placed in lock-out state, realize the limited support to supporting leg 22.
Introduce the specific works process of above-mentioned supporting leg supporting below.
Please refer to Fig. 4, Fig. 5, Figure 13 and Figure 14, when supporting leg 22 from full reduced state variation when entirely stretching state, first lockout mechanism 30 is arranged to opening, as shown in Fig. 5 and Figure 14, in the present embodiment, when bar handle 3022 is stuck in the close screens groove 3052 of sliding rail 28, lockout mechanism 30 is opening, now the U-shaped wedge surface 3029 of the U-shaped boss 3028 at bearing pin main body 3020 two ends forms with the baffle plate 3034 of the second stay bearing plate 304 and the first stay bearing plate 303 guide groove sliding for sliding bar 2620 respectively, jointly realize the slide-and-guide function that lockout mechanism 30 is opened rear sliding bar 2620.Supporting leg 22 rotates around hinge under the driving effect of telescopic oil cylinder 32, slowly open, strut bar 26 also slowly launches with it, its sliding end slides to the direction near the first stay bearing plate 303 on sliding rail 28, when strut bar 26 is deployed into assigned address, its sliding bar 2620 slides into semicircle snap-latch surface 3044 along the guide-contour face 3042 of the second stay bearing plate 304, and is just placed in semicircle snap-latch surface 3044.Now, turn to 180 degree to be stuck in another screens groove 3052 away from sliding rail 28 bar handle 3022, can make its lock-out state, as shown in Fig. 4 and Figure 13, now, the semicircle snap-latch surface 3044 of U-shaped boss 3028 and the second stay bearing plate 304 spatially forms circle, the bill of the second stay bearing plate 304 is inserted in the hollow hole 2622 of the second connection bearing 262, sliding bar 2620 is housed in the depressed part 3024 of bearing pin main body 3020, sliding bar 2620 is stopped and cannot move to the direction at sliding rail 28 places by the U-shaped boss 3028 at bearing pin main body 3020 two ends and connecting portion 3027, realization coordinates locking to sliding bar 2620.When supporting leg 22 is when entirely stretching state variation to full reduced state, first bar handle 3022 is turned to 180 degree, remove locking between the sliding bar 2620 of strut bar 26 and the bearing pin main body 3020 of lock pin 302, supporting leg 22 rotates around hinge under the driving effect of telescopic oil cylinder 32, slowly draw in, strut bar 26 is also along with slowly regaining, and its sliding end slides to the direction away from the first stay bearing plate 303 on sliding rail 28.In this device, strut bar 26 can adjust in length and direction in space, and realization is accurately spacing to supporting leg 22.This device locks when the extended configuration spacing by 30 pairs of supporting legs 22 of lockout mechanism, stop the shortcomings such as the spacing retardance of locking limit valve, has high reliability; This device, by the design of sliding rail 28, is saved arrangement space, and strut bar 26 is acted freely, and has well handling.
Be understandable that, the sliding bar 2620 of take in above-described embodiment describes as example as cylindric, certainly, this sliding bar 2620 can be also other column structures, as prism-shaped, depressed part 3024 in lockout mechanism 30 also can carry out change in shape according to the shape of sliding bar 2620, and the present invention is not as limit.In addition, the position of fixture block 305 and bar handle 3022 also can change.
Figure 15 shows that the decomposing schematic representation of lockout mechanism in another embodiment; Figure 16 is the partial enlarged drawing of the lockout mechanism shown in Figure 15.Refer to Figure 15, in the present embodiment, lockout mechanism 40 is arranged on one end of sliding rail 48, and the lockout mechanism 30 in its structure and the first embodiment is basic identical, comprises the locking seat 400 being arranged on vehicle seat 44 sides and the lock pin 402 coordinating with 400 rotations of locking seat.The structure of the locking seat 300 in locking seat the 400 and first embodiment is basic identical, comprises the first stay bearing plate 403, the second stay bearing plate 404 and the fixture block 405 that are arranged on vehicle seat 44 sides.Different from the locking seat 300 in the first embodiment, locking seat 400 also comprises two side plates 406 and two orienting lugs 407 that are arranged on vehicle seat 44 sides.Each side plate 406 correspondence is arranged on the inside edge of first stay bearing plate 403, side plate 406 is elongated strip plate body, its two ends are fixed on vehicle seat 44 sides, and its plate body forms the shape identical with the first stay bearing plate 403 side edge shape and is connected with the inner side of the first stay bearing plate 403.Each orienting lug 407 correspondence is arranged on the medial surface of a side plate 406, and orienting lug 407 is fixed on the inner side of side plate 406 by bolt 408.Orienting lug 407 is preferably made by nylon material, can strengthen resistance to abrasion.Concrete, please refer to Figure 16, for the matching relationship of clearer expression locking seat 400 and lock pin 402, Figure 16 has only drawn the Half-edge Structure of locking seat 400, and another one side of something half of and that draw is symmetrical set.The side that orienting lug 407 is relative with side plate 406 has a projection 4070, and projection 4070 comprises the first spigot surface 4072 and the second spigot surface 4074.The U-shaped wedge surface 4029 of the bearing pin main body 4020 of lock pin 402 can form with the first spigot surface 4072 of the second stay bearing plate 404 and orienting lug 407 guide groove slipping into for bearing pin main body 4020 respectively, realizes the slide-and-guide function to sliding bar 2620.The second spigot surface 4074 of the outside face of the U-shaped boss 4028 of bearing pin main body 4020 and orienting lug 407 leans.
Be understandable that, lockout mechanism in the embodiment of the present invention is except above-mentioned carrying out locking position the strut bar of supporting leg, can also carry out position restriction to the movable parts in other particular track in construction machinery and equipment, be specially adapted to the locking to large-scale slip rod member.
The above, only embodiments of the invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solution of the present invention content, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (18)
1. a sliding bar lockout mechanism, it is characterized in that: comprise sliding bar, sliding rail and lock pin, this sliding bar can slide along this sliding rail, this lock pin is arranged on one end of this sliding rail, the stop section that this lock pin is provided with depressed part and is limited by this depressed part, this lock pin is rotatable and to having release and locking two states, this lock pin turns to and makes this lockout mechanism when released state, this sliding bar is in this sliding rail can slip into the depressed part of this lock pin or in this depressed part, can slide out to this sliding rail, this lock pin turns to when this lockout mechanism is in the lock state, thereby this sliding bar is stopped by the stop section of this lock pin, cannot be moved on this sliding rail and lock this sliding bar in the depressed part of this lock pin.
2. sliding bar lockout mechanism as claimed in claim 1, is characterized in that, the bar handle that this lock pin comprises bearing pin main body and is arranged on this bearing pin main body one end, and this depressed part and stop section are formed in this bearing pin main body.
3. sliding bar lockout mechanism as claimed in claim 2, it is characterized in that, this sliding bar lockout mechanism also comprises fixture block, this fixture block comprises depression and is positioned at the screens groove of these depression both sides, the bearing pin main body of this lock pin and the junction of bar handle are positioned at this depression, and this bar handle is optionally locked in one of them screens groove of this fixture block.
4. sliding bar lockout mechanism as claimed in claim 2, it is characterized in that, this stop section comprises and is positioned at the U-shaped boss at these bearing pin main body two ends and the connecting portion that connects these two U-shaped boss, these two U-shaped boss are extended to the middle part of this bearing pin main body along its outer rim by the two ends of this bearing pin main body respectively, and these two U-shaped boss have respectively U-shaped wedge surface.
5. sliding bar lockout mechanism as claimed in claim 4, is characterized in that, this lockout mechanism further comprises the first stay bearing plate, and this first stay bearing plate comprises two spaced plate bodys, offers a through hole for holding this lock pin on each plate body.
6. sliding bar lockout mechanism as claimed in claim 5, it is characterized in that, this lockout mechanism further comprises the second stay bearing plate, this second stay bearing plate is arranged between two plate bodys of this first stay bearing plate, this second stay bearing plate has a hook-shaped plate body and is positioned at the bearing surface of hook-shaped plate body recess, this bearing surface comprises guide-contour face, semicircle snap-latch surface and spacing end face, and this semicircle snap-latch surface is arranged between this guide-contour face and this spacing end face for holding this lock pin.
7. sliding bar lockout mechanism as claimed in claim 6, it is characterized in that, the side of two plate bodys of this first stay bearing plate extends a baffle plate to the interval of these two plate bodys respectively, and the U-shaped wedge surface of these two U-shaped boss forms with the guide-contour face of this second stay bearing plate and the baffle plate of this first stay bearing plate the guide groove sliding for this sliding bar respectively.
8. sliding bar lockout mechanism as claimed in claim 6, it is characterized in that, this lockout mechanism further comprises two orienting lugs, these two orienting lugs are separately positioned on the inner side of two plate bodys of this first stay bearing plate, and the U-shaped wedge surface of these two U-shaped boss forms with guide-contour face and this two orienting lugs of this second stay bearing plate the guide groove sliding for this sliding bar respectively.
9. a supporting leg supporting, it is characterized in that: comprise the strut bar be located between supporting leg and vehicle seat, be arranged at the sliding rail on this vehicle seat and be arranged at the lockout mechanism on this vehicle seat, this strut bar has fixed end and sliding end, this fixed end and this supporting leg are hinged, this sliding end has the sliding bar with this sliding rail bearing fit, this lockout mechanism is arranged on one end of this sliding rail, this lockout mechanism comprises lock pin, the stop section that this lock pin is provided with depressed part and is limited by this depressed part; This lock pin is rotatable and to having release and locking two states, this lock pin turns to and makes this lockout mechanism when released state, this sliding bar can slip in the depressed part of this lock pin in this sliding rail, this lock pin turns to when this lockout mechanism is in the lock state, and this sliding bar is stopped and cannot to the direction at this sliding rail place, move to lock this sliding bar in the depressed part of this lock pin by the stop section of this lock pin.
10. supporting leg supporting as claimed in claim 9, is characterized in that, the bar handle that this lock pin comprises bearing pin main body and is arranged on this bearing pin main body one end, and this depressed part and stop section are formed in this bearing pin main body.
11. supporting leg supportings as claimed in claim 10, it is characterized in that, this stop section comprises and is positioned at the U-shaped boss at these bearing pin main body two ends and the connecting portion that connects these two U-shaped boss, and these two U-shaped boss are extended to the middle part of this bearing pin main body along its outer rim by the two ends of this bearing pin main body respectively.
12. supporting leg supportings as claimed in claim 10, it is characterized in that, this lockout mechanism also comprises fixture block, this fixture block comprises depression and is positioned at the screens groove of these depression both sides, the junction of this bearing pin main body and this bar handle is positioned at this depression, and this bar handle is optionally locked in one of them screens groove of this fixture block.
13. supporting leg supportings as claimed in claim 9, is characterized in that: this supporting leg supporting further comprises articulated slab, and this articulated slab is fixed on this supporting leg, and the fixed end of this strut bar and this articulated slab are hinged.
14. supporting leg supportings as claimed in claim 13, is characterized in that, this supporting leg supporting further comprises the first stay bearing plate, and this first stay bearing plate comprises two spaced plate bodys, offer a through hole for holding this lock pin on each plate body.
15. supporting leg supportings as claimed in claim 14, it is characterized in that, this supporting leg supporting further comprises the second stay bearing plate, this second stay bearing plate is arranged between two plate bodys of this first stay bearing plate, this second stay bearing plate has a hook-shaped plate body and is positioned at the bearing surface of hook-shaped plate body recess, this bearing surface comprises guide-contour face, semicircle snap-latch surface and the spacing end face tilting with this sliding rail, and this semicircle snap-latch surface is arranged between this guide-contour face and this spacing end face for holding this lock pin.
16. supporting leg supportings as claimed in claim 9, is characterized in that: the cylinder of this sliding bar and this sliding rail moving contact, and the bearing of trend that is axially perpendicular to this sliding rail of this sliding bar.
17. supporting leg supportings as claimed in claim 9, it is characterized in that: this strut bar comprises that shaft, first connects bearing and second and connects bearing, this first connects bearing and second is connected bearing and passes through screw-threaded engagement with the two ends of this shaft respectively with this, this the first connection bearing and this supporting leg are hinged, and this sliding bar is arranged on this second connection bearing.
18. 1 kinds of construction machinery and equipments, comprise vehicle seat and supporting leg, and this vehicle seat and this supporting leg are hinged, and it is characterized in that, between this vehicle seat and this supporting leg, are provided with the supporting leg supporting as described in any one in claim 9 to 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110421367.7A CN102490695B (en) | 2011-12-15 | 2011-12-15 | Slide bar locking mechanism, support leg supporting device and engineering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110421367.7A CN102490695B (en) | 2011-12-15 | 2011-12-15 | Slide bar locking mechanism, support leg supporting device and engineering machine |
Publications (2)
| Publication Number | Publication Date |
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| CN102490695A CN102490695A (en) | 2012-06-13 |
| CN102490695B true CN102490695B (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110421367.7A Active CN102490695B (en) | 2011-12-15 | 2011-12-15 | Slide bar locking mechanism, support leg supporting device and engineering machine |
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| Country | Link |
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| CN (1) | CN102490695B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795206B (en) * | 2012-09-04 | 2015-11-04 | 三一汽车制造有限公司 | A kind of construction machinery and equipment |
| CN103043040B (en) * | 2012-12-20 | 2015-07-08 | 三一汽车制造有限公司 | Supporting leg reinforcing arm and engineering machinery |
| CN107421253A (en) * | 2017-07-31 | 2017-12-01 | 合肥余塝电子商务有限公司 | A kind of building materials material drying device |
| CN110217722B (en) * | 2019-05-31 | 2021-08-24 | 宝鸡石油机械有限责任公司 | Rail mounted lifting mechanism |
| CN111559354B (en) * | 2020-04-24 | 2022-05-27 | 河南工学院 | Hydraulic device for controlling engineering vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4134500A (en) * | 1976-11-22 | 1979-01-16 | Sauber Charles J | Actuator linkage for mobile derricks and the like |
| US5387071A (en) * | 1993-06-29 | 1995-02-07 | Pinkston; Donald L. | Rotatable recovery vehicle |
| CN201511943U (en) * | 2009-09-17 | 2010-06-23 | 徐州重型机械有限公司 | Engineering machine and support leg locking device thereof |
| CN201580365U (en) * | 2009-11-30 | 2010-09-15 | 徐州重型机械有限公司 | Movable engineering machinery and supporting leg locking mechanism thereof |
| CN201970975U (en) * | 2011-03-22 | 2011-09-14 | 三一重工股份有限公司 | Engineering machinery and supporting leg device thereof |
| CN202369302U (en) * | 2011-12-15 | 2012-08-08 | 中联重科股份有限公司 | Slide bar lock mechanism, leg support device and engineering machinery |
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| CN102490695A (en) | 2012-06-13 |
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