CN102729880B - Locking device and demountable tanker carrier - Google Patents
Locking device and demountable tanker carrier Download PDFInfo
- Publication number
- CN102729880B CN102729880B CN201210251409.1A CN201210251409A CN102729880B CN 102729880 B CN102729880 B CN 102729880B CN 201210251409 A CN201210251409 A CN 201210251409A CN 102729880 B CN102729880 B CN 102729880B
- Authority
- CN
- China
- Prior art keywords
- ratchet
- rotating shaft
- fixed parts
- connecting rod
- latching device
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides a locking device. The locking device comprises a first ratchet, a first pawl, a first rotating shaft and a fixed part, wherein the first rotating shaft is rotatably arranged on the fixed part; the first pawl is arranged on the first rotating shaft and can synchronously rotate along with the first rotating shaft; the first pawl is arranged on the fixed part; and the first pawl is matched with the first ratchet to lock the first rotating shaft. By utilizing the locking device, an auxiliary oil cylinder is guaranteed to stay at a position aligned to a joint of a hoisting arm after the hoisting of the hoisting arm is finished, so that the working efficiency of a demountable tanker carrier is improved, and the phenomenon that the oil cylinder is damaged because the oil cylinder naturally falls back is avoided. The invention also provides the demountable tanker carrier.
Description
Technical field
The present invention relates to mechanical structure field, in particular to a kind of latching device and a kind of demountable tanker carrier.
Background technology
In the process of demountable tanker carrier work, it is the process that demountable tanker carrier lift arm and mobile silo constantly lift and reclaim, in the process of lifting, need auxiliary cylinder first by certain power lift arm and mobile silo lifting, giving rise to after certain angle, then by elevating ram relay, lift arm and mobile silo lifting are being got up; In the process reclaiming, have elevating ram first slowly to reclaim, then aim at the interface of lift arm by auxiliary cylinder, relay is recovered to initial condition.
But, auxiliary cylinder is owing to having Action of Gravity Field at work, can not rest on the position that gives rise to certain angle, and naturally fall after rise by Action of Gravity Field, depart from lift arm interface position, caused lift arm cannot aim at auxiliary cylinder in the process reclaiming, now often needed a people that auxiliary cylinder is buttressed to aligning lift arm, another person's operating valve piece just can be recovered to initial condition, causes the waste of manpower and the reduction of demountable tanker carrier work efficiency; Simultaneously, auxiliary cylinder is because piston rod stretches out, cause center of gravity top, naturally after falling after rise, cause piston rod easily to collide near oil cylinder seat, so that piston rod is impaired, cause oil cylinder leakage of oil and scrap, and the damage of oil cylinder easily causes in lift arm, mobile silo lifting and removal process losing efficacy, cause uncertain safety misadventure, and cause the maintaining cost of damage, demountable tanker carrier of demountable tanker carrier high, the low inferior series of problems of service efficiency.
Therefore, how can guarantee that lifting rests on after completing on the position of aiming at lift arm interface auxiliary cylinder to lift arm, improving demountable tanker carrier work efficiency, and avoid auxiliary cylinder naturally to fall after rise oil cylinder is caused to damage, is the technical matters that those skilled in the art need solution badly.
Summary of the invention
Technical matters to be solved by this invention is, a kind of latching device is provided, can follow rotating shaft when rotating together countershaft implement locking or release.
In view of this, the invention provides a kind of latching device, comprise the first ratchet, the first ratchet, the first rotating shaft and fixed parts, wherein: described the first rotating shaft is installed in rotation on described fixed parts, described the first ratchet is arranged in described the first rotating shaft and can synchronously rotates with described the first rotating shaft, described the first ratchet is arranged on described fixed parts, and described the first ratchet coordinates with described the first ratchet, by described the first rotating shaft locking.
In this technical scheme, to realize the object of the first rotating shaft locking by the cooperation of the first ratchet and the first ratchet, it is simple in structure, and cost is low, and locking effect is good; This latching device is applied in demountable tanker carrier, auxiliary cylinder is fixedly connected with the first rotating shaft, can realize the locking to auxiliary cylinder, thereby guarantee that lifting rests on after completing on the position of aiming at lift arm interface auxiliary cylinder to lift arm, improve demountable tanker carrier work efficiency, and avoid auxiliary cylinder naturally to fall after rise oil cylinder is caused to damage.
Preferably, described the first ratchet is arranged on described fixed parts movably, described latching device also comprises inhibiting device, wherein: in the time that described the first ratchet is less than the first preset value to the pressure of described the first ratchet, thereby described inhibiting device limits described the first ratchet motion by described the first rotating shaft locking; In the time that described the first ratchet is greater than described the first preset value to the pressure of described the first ratchet, thereby promoting described the first ratchet, described the first ratchet is shifted described the first rotating shaft release.
In this technical scheme; the torsion that is subject to when the first rotating shaft is excessive while causing the first ratchet excessive to the pressure of the first ratchet, can, by the first rotating shaft release, avoid excessive torsion to damage whole latching device; realize overload protection, improved the reliability of whole device.
Preferably, on described fixed parts, be provided with through hole, on described the first ratchet, be fixedly installed connecting rod, the first end of described connecting rod stretches in described through hole and can in described through hole, move, the cross section of described connecting rod is non-circular, described through hole matches with described connecting rod, makes described fixed parts can limit the rotation of described connecting rod.
In this technical scheme, thereby adopt cross section non-circular connecting rod coordinate with through hole can limiting rod rotation, also just limited the rotation of the first ratchet, can guarantee better the restriction of the first ratchet to the first ratchet, avoid causing the first ratchet to separate with the first ratchet because the first ratchet rotates, improved the reliability of latching device.
Preferably, on described fixed parts, be provided with through hole, described through hole is waist shaped hole, on described the first ratchet, is fixedly installed connecting rod, and the first end of described connecting rod stretches in described through hole and can in described through hole, move, and the cross section of described connecting rod is circular; And described latching device also comprises the first spring, one end of described the first spring is connected to described fixed parts, and the other end is connected to described the first ratchet, on described the first spring, is provided with predetermincd tension, rotates for limiting described the first ratchet.
In this technical scheme, realize the rotation of restriction ratchet by the first spring, can guarantee better the restriction of the first ratchet to the first ratchet, avoid causing the first ratchet to separate with the first ratchet because the first ratchet rotates, improve the reliability of latching device.
Preferably, described latching device also comprises setting device, described setting device be arranged on described fixed parts and with the second end in contact of described connecting rod, in the time that described the first ratchet promotes described the first ratchet displacement, thereby described connecting rod drives described the first ratchet along moving and depart from described the first ratchet perpendicular to the direction of described fixed parts under the effect of described setting device, makes described the first ratchet free to rotate.
In this technical scheme, in the time that the first ratchet promotes the first ratchet displacement, setting device staggers the first ratchet and the first ratchet, makes to separate better between the first ratchet and the first ratchet, guarantees can more freely rotate after the first rotating shaft release.
Preferably, on described setting device, be provided with deep-slotted chip breaker, in the time that described the first ratchet promotes described the first ratchet displacement, described connecting rod moves along the bottom surface of described deep-slotted chip breaker.In this technical scheme, realize the connecting rod adjustment of position in the vertical direction by the distance between deep-slotted chip breaker and the surface of fixed parts, simple in structure, cost is low.
Preferably, described latching device also comprises reset attachment, can limit for described the first ratchet is reset in the direction vertical with described the first ratchet the position that described the first ratchet rotates.In this technical scheme, use reset attachment can make the first ratchet return back to the first ratchet and coordinate the position being limited, after the first rotating shaft release, can automatically restore to locking state, the latching device in the present invention can be recycled.
Preferably, described the first ratchet is between described fixed parts and described setting device, described reset attachment is the second spring being arranged between described the first ratchet and described fixed parts, described the second spring housing is located on described connecting rod and is provided with the predetermincd tension of compression, in the time that described the first ratchet promotes described the first ratchet displacement, described deep-slotted chip breaker further compresses described the second spring.In this technical scheme, realize the reset to the first ratchet by the second spring, simple in structure, cost is low.
Wherein, the implementation of inhibiting device can be: described inhibiting device comprises pressure sensor, controller and position limiting structure, wherein: described pressure sensor is the pressure to described the first ratchet for detection of described the first ratchet; When the pressure detecting when described pressure sensor is less than the first preset value, thereby described in described controller control, position limiting structure limits described the first ratchet motion described the first rotating shaft is locked; When the pressure detecting when described pressure sensor is greater than described the first preset value, thereby promoting described the first ratchet, described the first ratchet is shifted described the first rotating shaft release.
The specific implementation of inhibiting device can also be: the first ratchet, the first ratchet and the first rotating shaft are all positioned at the same side of described through hole on described fixed parts, described inhibiting device is positioned at the opposite side of described through hole, described inhibiting device specifically comprises torque spring, the second rotating shaft and position limiting structure, wherein: described the second rotating shaft is installed in rotation on described fixed parts, one end of described torque spring is fixedly attached to described the second rotating shaft, and the other end is fixedly attached to described connecting rod; When described the second rotating shaft is rotated in the forward, described torque spring is torqued-up to and makes described torque spring have default torsion, described position limiting structure is used for limiting described the second rotating shaft contrarotation; In the time that described the first ratchet reaches described the first preset value to the pressure of described the first ratchet, described connecting rod overcomes described default torsion, is shifted described the first rotating shaft release thereby make described the first ratchet promote described the first ratchet.In this technical scheme, preset torsion by torque spring and realize overload protection, simple in structure, cost is low.
Preferably, described fixed parts comprises body and housing, described housing is fixedly installed on described body, and described the second rotating shaft is arranged on described housing, and described torque spring, described the second rotating shaft, described position limiting structure are all in the space between described housing and described body.In this technical scheme, housing can form protection to other parts of inhibiting device, prevents that these parts of outer bound pair from becoming infringement, improved the reliability of whole device.
Preferably, described position limiting structure comprises the second ratchet and the second ratchet, described the second ratchet is arranged in described the second rotating shaft and can synchronously rotates with described the second rotating shaft, described the second ratchet is fixedly installed on described housing and with described the second ratchet and coordinates, for limiting described the second ratchet contrarotation.In this technical scheme, by the second ratchet and the second click-fit, the position of the second rotating shaft is limited, simple and reliable.
Preferably, described inhibiting device also comprises knob, and described housing is stretched out in one end of described the second rotating shaft, and described knob is arranged in described the second rotating shaft.In this technical scheme, by knob the second rotating shaft, thereby realize the setting of presetting torsion, convenient.
Preferably, described inhibiting device also comprises torque value dial plate, is arranged on described housing, for showing the torsion of described torque spring.In this technical scheme, show default torsion by torque value dial plate, can obtain intuitively the torsion on torque spring, setting and the monitoring of convenient operation personnel to default torsion.
Another object of the present invention is to, above-mentioned latching device is applied to demountable tanker carrier, thereby can implement locking or release to it according to the state of kinematic motion of demountable tanker carrier auxiliary cylinder.
The present invention also provides a kind of demountable tanker carrier, comprises the latching device described in any one in chassis, auxiliary cylinder and technique scheme, and described fixed parts is arranged on the side on described chassis, and described auxiliary cylinder is fixedly connected with described the first rotating shaft.
In this technical scheme, auxiliary cylinder is fixedly connected with the first rotating shaft, can realize the locking to auxiliary cylinder, thereby guarantee that lifting rests on after completing on the position of aiming at lift arm interface auxiliary cylinder to lift arm, improve demountable tanker carrier work efficiency, and avoid auxiliary cylinder naturally to fall the problem of interface position misalignment reduction demountable tanker carrier work efficiency when oil cylinder is caused damage and can avoid lift arm to fall after rise after rise, and reduce manpower waste, improve efficiency; In addition, inhibiting device can be preset certain torsion, stressed when excessive when auxiliary cylinder, can carry out release, realizes overload protection.
In sum, realized the object of the first rotating shaft locking by the cooperation of the first ratchet and the first ratchet, it is simple in structure, and cost is low, and locking effect is good; And inhibiting device can preset torsion, realize overload protection; This latching device is applied in demountable tanker carrier, auxiliary cylinder is fixedly connected with the first rotating shaft, can realize the locking to auxiliary cylinder, thereby guarantee that lifting rests on after completing on the position of aiming at lift arm interface auxiliary cylinder to lift arm, improve demountable tanker carrier work efficiency, and avoid auxiliary cylinder naturally to fall the problem of interface position misalignment reduction demountable tanker carrier work efficiency when oil cylinder is caused damage and can avoid lift arm to fall after rise after rise, and reduce manpower waste, improve efficiency; In addition, inhibiting device can be preset certain torsion, stressed when excessive when auxiliary cylinder, can carry out release, realizes overload protection.
Accompanying drawing explanation
Fig. 1 is according to the front view of the latching device of the embodiment of the present invention;
Fig. 2 is the right elevation of latching device in Fig. 1;
Fig. 3 is the birds-eye view of latching device in Fig. 1;
Fig. 4 is the A-A cutaway view of latching device in Fig. 1;
Fig. 5 is the B-B cutaway view of latching device in Fig. 1;
Fig. 6 is the cutaway view of left part in Fig. 2;
Fig. 7 is the schematic diagram of Fig. 6 middle shell inner structure;
Fig. 8 is the schematic diagram of Fig. 2 middle shell;
Fig. 9 is according to the schematic diagram of the demountable tanker carrier of the embodiment of the present invention;
Figure 10 is the schematic diagram of auxiliary cylinder and latching device in Fig. 9.
Wherein, in Fig. 1 to Figure 10, the corresponding relation between Reference numeral and component names is:
The first ratchet 1, the first ratchet 2, the first rotating shafts 3, fixed parts 4, the first spring 5, setting device 6, the second springs 7, torque spring 8, the second rotating shafts 9, strip projected parts 13, the second ratchet 11, the second ratchets 12, knob 14, torque value dial plate 15, chassis 16, auxiliary cylinder 17, connecting rod 21, body 41, housing 42, deep-slotted chip breaker 61.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.
A lot of details are set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
Below in conjunction with drawings and Examples, the present invention will be further described.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
As shown in Figures 1 to 5, latching device in the present invention comprises the first ratchet 1, the first ratchet 2, the first rotating shaft 3 and fixed parts 4, wherein: the first rotating shaft 3 is installed in rotation on fixed parts 4, the first ratchet 1 is arranged in the first rotating shaft 3 and can synchronously rotates with the first rotating shaft 3, the first ratchet 2 is arranged on fixed parts 4, the first ratchet 2 coordinates with the first ratchet 1, and the first rotating shaft 3 is locked.
In this technical scheme, realized the object that the first rotating shaft 3 is locked by the cooperation of the first ratchet 1 and the first ratchet 2, it is simple in structure, and cost is low, and locking effect is good; This latching device is applied in demountable tanker carrier, auxiliary cylinder is fixedly connected with the first rotating shaft 3, can realize the locking to auxiliary cylinder, thereby guarantee that lifting rests on after completing on the position of aiming at lift arm interface auxiliary cylinder to lift arm, improve demountable tanker carrier work efficiency, and avoid auxiliary cylinder naturally to fall after rise oil cylinder is caused to damage.
Wherein, make the first ratchet 1 synchronize with the first rotating shaft 3 rotate mode have multiple, for example both can be welded, or be fixed by bolt or screw etc., or also can pass through strip projected parts 10 transmitting torques as shown in FIG., guarantee the rotation of synchronizeing of the first ratchet 1 and the first rotating shaft 3.
Preferably, the first ratchet 2 is arranged on fixed parts 4 movably, described latching device also comprises inhibiting device, wherein: in the time that the first ratchet 1 is less than the first preset value to the pressure of the first ratchet 2, moves the first rotating shaft 3 is locked thereby inhibiting device limits the first ratchet 2; In the time that the first ratchet 1 is greater than the first preset value to the pressure of the first ratchet 2, thereby promoting the first ratchet 2, the first ratchet 1 is shifted the first rotating shaft 3 releases.
In this technical scheme; the torsion that is subject to when the first rotating shaft 3 is excessive while causing the first ratchet 1 excessive to the pressure of the first ratchet 2, can, by the first rotating shaft 3 releases, avoid excessive torsion to damage whole latching device; realize overload protection, improved the reliability of whole device.
In a kind of specific embodiment, on fixed parts 4, be provided with through hole, on the first ratchet 2, be fixedly installed connecting rod 21, the first end of connecting rod 21 stretches in through hole and can in described through hole, move, the cross section of connecting rod 21 is non-circular, through hole matches with connecting rod 21, makes the rotation that fixed parts 4 can limiting rod 21.
In this technical scheme, thereby adopt cross section non-circular connecting rod 21 coordinate with through hole can limiting rod 21 rotation, also just limited the rotation of the first ratchet 2, can guarantee better the first restriction of ratchet 2 to the first ratchet 1, avoid causing the first ratchet 1 to separate with the first ratchet 2 because the first ratchet 2 rotates, improved the reliability of latching device.
In the another kind of specific embodiment, on fixed parts 4, be provided with through hole, through hole is waist shaped hole, on the first ratchet 2, is fixedly installed connecting rod 21, and the first end of connecting rod 21 stretches in through hole and can in described through hole, move, and the cross section of connecting rod is circular; And latching device also comprises that one end of the first spring 5, the first springs 5 is connected to fixed parts 4, the other end is connected on the first ratchet 2, the first springs 5 and is provided with predetermincd tension, rotates for limiting the first ratchet 2.
In this technical scheme, realize the rotation of restriction ratchet 2 by the first spring 5, can guarantee better the first restriction of ratchet 2 to the first ratchet 1, avoid causing the first ratchet 1 to separate with the first ratchet 2 because the first ratchet 2 rotates, improve the reliability of latching device.
Further, described latching device also comprises setting device 6, setting device 6 be arranged on fixed parts 4 and with the second end in contact of connecting rod 21, in the time that the first ratchet 1 promotes the first ratchet 2 and is shifted, thereby connecting rod 21 drives the first ratchet 2 along moving and depart from the first ratchet 1 perpendicular to the direction of fixed parts 4 under the effect of setting device 6, makes the first ratchet 1 free to rotate.
In this technical scheme, in the time that the first ratchet 1 promotes the first ratchet 2 and is shifted, setting device 6 staggers the first ratchet 1 and the first ratchet 2, makes to separate better between the first ratchet 1 and the first ratchet 2, guarantees can more freely rotate after the first rotating shaft 3 releases.
Particularly, setting device 6 drives the first ratchet 2 can realize by the structure shown in figure along moving perpendicular to the direction of fixed parts 4, on setting device 6, be provided with deep-slotted chip breaker 61, in the time that the first ratchet 1 promotes the first ratchet 2 and is shifted, connecting rod 21 moves along the bottom surface of deep-slotted chip breaker 61.In this technical scheme, realize connecting rod 21 adjustment of position in the vertical direction by the distance between deep-slotted chip breaker 61 and the surface of fixed parts 4, simple in structure, cost is low.
Preferably, described latching device also comprises reset attachment, for the first ratchet 2 is reset to and can limits the position that the first ratchet 1 rotates in the direction vertical with the first ratchet 1.In this technical scheme, use reset attachment can make the first ratchet 2 return back to the first ratchet 1 and coordinate the position being limited, after the first rotating shaft 3 releases, can automatically restore to locking state, the latching device in the present invention can be recycled.
In a kind of specific embodiment, the implementation of reset attachment can be: the first ratchet 2 is between fixed parts 4 and setting device 6, reset attachment is the second spring 7 being arranged between the first ratchet 2 and fixed parts 4, the second spring 7 is set on connecting rod 21 and is provided with the predetermincd tension of compression, in the time that the first ratchet 1 promotes the first ratchet 2 and is shifted, deep-slotted chip breaker 61 further compresses the second spring 7.In this technical scheme, realize the reset to the first ratchet 2 by the second spring 7, simple in structure, cost is low.
In technique scheme, a kind of specific implementation of inhibiting device can be to comprise pressure sensor, controller and position limiting structure, wherein: pressure sensor is for detection of the pressure of the first ratchet 1 to the first ratchet 2; When the pressure detecting when pressure sensor is less than the first preset value, thereby controller control position limiting structure limits the first ratchet motion, the first rotating shaft 3 is locked; When the pressure detecting when pressure sensor is greater than the first preset value, thereby promoting the first ratchet 2, the first ratchet 1 is shifted the first rotating shaft 3 releases.
As shown in Fig. 2 to Fig. 8, the specific implementation of inhibiting device can also be:
The first ratchet 1, the first ratchet 2 and the first rotating shaft 3 are all positioned at the same side of through hole on fixed parts 4, inhibiting device is positioned at the opposite side of through hole, inhibiting device specifically comprises torque spring 8, the second rotating shaft 9 and position limiting structure, wherein: the second rotating shaft 9 is installed in rotation on fixed parts 4, one end of torque spring 8 is fixedly attached to the second rotating shaft 9, and the other end is fixedly attached to connecting rod 21; When the second rotating shaft 9 is rotated in the forward, torque spring 8 is torqued-up to and makes torque spring 8 have default torsion, position limiting structure is used for limiting the second rotating shaft 9 contrarotations; In the time that the first ratchet 1 reaches the first preset value to the pressure of the first ratchet 2, connecting rod 21 overcomes described default torsion, is shifted the first rotating shaft 3 releases thereby make the first ratchet 1 promote the first ratchet 2.In this technical scheme, realize overload protection by the default torsion of torque spring 8, simple in structure, cost is low.
Preferably, fixed parts 4 comprises body 41 and housing 42, and housing 42 is fixedly installed on body 41, and the second rotating shaft 9 is arranged on housing 42, and torque spring 8, the second rotating shaft 9, position limiting structure are all in the space between housing 42 and body 41.In this technical scheme, housing 42 can form protection to other parts of inhibiting device, prevents that these parts of outer bound pair from becoming infringement, improved the reliability of whole device.
Preferably, position limiting structure comprises the second ratchet 11 and the second ratchet 12, the second ratchet 11 is arranged in the second rotating shaft 9 and can synchronously rotates with the second rotating shaft 9, and the second ratchet 12 is fixedly installed on housing 42 and with the second ratchet 11 and coordinates, for limiting the second ratchet 11 contrarotations.In this technical scheme, coordinate the position of the second rotating shaft 9 is limited by the second ratchet 11 and the second ratchet 12, simple and reliable.
Preferably, inhibiting device also comprises that one end of knob 14, the second rotating shafts 9 stretches out housing 42, and knob 14 is arranged in the second rotating shaft 9.In this technical scheme, rotate the second rotating shaft 9 by knob 14, thereby realize the setting of default torsion, convenient.
Preferably, inhibiting device also comprises torque value dial plate 15, is arranged on housing 42, for showing the torsion of torque spring 8.In this technical scheme, show default torsion by torque value dial plate 15, can obtain intuitively the torsion on torque spring 8, setting and the monitoring of convenient operation personnel to default torsion.
The present invention also provides a kind of demountable tanker carrier, as shown in Figure 9 and Figure 10, comprise the latching device described in any one in chassis 16, auxiliary cylinder 17 and technique scheme, described fixed parts 4 is arranged on the side on described chassis 16, and described auxiliary cylinder 17 is fixedly connected with described the first rotating shaft 3.
In this technical scheme, auxiliary cylinder is fixedly connected with the first rotating shaft 3, can realize the locking to auxiliary cylinder 17, thereby guarantee that lifting rests on after completing on the position of aiming at lift arm interface auxiliary cylinder 17 to lift arm, improve demountable tanker carrier work efficiency, and avoid auxiliary cylinder 17 naturally to fall the problem of interface position misalignment reduction demountable tanker carrier work efficiency when oil cylinder is caused damage and can avoid lift arm to fall after rise after rise, and reduce manpower waste, improve efficiency; In addition, inhibiting device can be preset certain torsion, stressed when excessive when auxiliary cylinder 17, can carry out release, realizes overload protection.
Particularly, first preset certain torsion by inhibiting device, in the time that auxiliary cylinder 17 liftings are risen, the first rotating shaft 3 and the first ratchet 1 synchronously rotate, and the first ratchet 2 constantly lifts, and under the effect of the first spring 5, the first ratchet 2 locks the first ratchet 1, in the time that auxiliary cylinder 17 falls after rise, when falling power exceedes the default torsion of torque spring 8, auxiliary cylinder 17 and the first rotating shaft 3 rotate backward, the first ratchet 2 is under the promotion of the first ratchet 1, connecting rod 21 axles on the first ratchet 2 are in through hole and the interior slip of adjuster 6 of fixed parts 4, connecting rod 21 is in the interior slip of adjuster 6, because the inner structure of adjuster 6 is gradient structure, cause constantly past the pressing down of the first ratchet 2, finally depart from the first ratchet 1, the now locking of latching device to no effect, thereby auxiliary cylinder 17 is fallen after rise smoothly, after falling after rise, the first ratchet 2 is at the first spring 5, the second spring 7 and and the effect of torque spring 8 under, return to initial condition, start follow-up circulation.
In sum, realized the object of the first rotating shaft locking by the cooperation of the first ratchet and the first ratchet, it is simple in structure, and cost is low, and locking effect is good; And inhibiting device can preset torsion, realize overload protection; This latching device is applied in demountable tanker carrier, auxiliary cylinder is fixedly connected with the first rotating shaft, can realize the locking to auxiliary cylinder, thereby guarantee that lifting rests on after completing on the position of aiming at lift arm interface auxiliary cylinder to lift arm, improve demountable tanker carrier work efficiency, and avoid auxiliary cylinder naturally to fall the problem of interface position misalignment reduction demountable tanker carrier work efficiency when oil cylinder is caused damage and can avoid lift arm to fall after rise after rise, and reduce manpower waste, improve efficiency; In addition, inhibiting device can be preset certain torsion, stressed when excessive when auxiliary cylinder, can carry out release, realizes overload protection.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a latching device, it is characterized in that, comprise the first ratchet (1), the first ratchet (2), the first rotating shaft (3) and fixed parts (4), wherein: described the first rotating shaft (3) is installed in rotation on described fixed parts (4), described the first ratchet (1) is arranged on described the first rotating shaft (3) above and can synchronously rotates with described the first rotating shaft (3), described the first ratchet (2) is arranged on described fixed parts (4), described the first ratchet (2) coordinates with described the first ratchet (1), described the first rotating shaft (3) is locked, described the first ratchet (2) is arranged on described fixed parts (4) movably, described latching device also comprises inhibiting device, wherein:
In the time that described the first ratchet (1) is less than the first preset value to the pressure of described the first ratchet (2), described inhibiting device limits described the first ratchet (2) thereby described the first rotating shaft (3) is locked in motion;
In the time that described the first ratchet (1) is greater than described the first preset value to the pressure of described the first ratchet (2), described the first ratchet (1) promotes described the first ratchet (2) thereby is shifted described the first rotating shaft (3) release;
Described fixed parts is provided with through hole on (4), described through hole is waist shaped hole, on described the first ratchet (2), be provided with connecting rod (21), described the first ratchet (2) is fixedly connected with described connecting rod (21), the first end of described connecting rod (21) stretches in described through hole and can in described through hole, move, and the cross section of described connecting rod is circular; And,
Described latching device also comprises the first spring (5), one end of described the first spring (5) is connected to described fixed parts (4), the other end is connected to described the first ratchet (2), on described the first spring (5), is provided with predetermincd tension, rotates for limiting described the first ratchet (2);
Also comprise setting device (6), described setting device (6) be arranged on described fixed parts (4) upper and with the second end in contact of described connecting rod (21), in the time that described the first ratchet (1) promotes described the first ratchet (2) displacement, described connecting rod (21) under the effect of described setting device (6), drive described the first ratchet (2) along perpendicular to described fixed parts (4) thus direction motion depart from described the first ratchet (1), make described the first ratchet (1) free to rotate;
On described setting device (6), be provided with deep-slotted chip breaker (61), in the time that described the first ratchet (1) promotes described the first ratchet (2) displacement, described connecting rod (21) is along the bottom surface motion of described deep-slotted chip breaker (61);
Also comprise reset attachment, can limit for described the first ratchet (2) is reset in the direction vertical with described the first ratchet (1) position that described the first ratchet (1) rotates;
Described the first ratchet (2) is positioned between described fixed parts (4) and described setting device (6), described reset attachment is for being arranged on the second spring (7) between described the first ratchet (2) and described fixed parts (4), described the second spring (7) is set in described connecting rod (21) above and is provided with the predetermincd tension of compression, in the time that described the first ratchet (1) promotes described the first ratchet (2) displacement, described deep-slotted chip breaker (61) further compresses described the second spring (7).
2. latching device according to claim 1, is characterized in that, described inhibiting device comprises pressure sensor, controller and position limiting structure, wherein:
Described pressure sensor is the pressure to described the first ratchet (2) for detection of described the first ratchet (1);
When the pressure detecting when described pressure sensor is less than the first preset value, thereby described in described controller control, position limiting structure limits described the first ratchet motion described the first rotating shaft (3) is locked;
When the pressure detecting when described pressure sensor is greater than described the first preset value, described the first ratchet (1) promote described the first ratchet (2) thus displacement by described the first rotating shaft (3) release.
3. latching device according to claim 1, it is characterized in that, the first ratchet (1), the first ratchet (2) and the first rotating shaft (3) are all positioned at the same side of described through hole on described fixed parts (4), described inhibiting device is positioned at the opposite side of described through hole, described inhibiting device specifically comprises torque spring (8), the second rotating shaft (9) and position limiting structure, wherein:
It is upper that described the second rotating shaft (9) is installed in rotation on described fixed parts (4), and one end of described torque spring (8) is fixedly attached to described the second rotating shaft (9), and the other end is fixedly attached to described connecting rod (21);
When described the second rotating shaft (9) is rotated in the forward, described torque spring (8) is torqued-up to and makes described torque spring (8) have default torsion, described position limiting structure is used for limiting described the second rotating shaft (9) contrarotation;
In the time that described the first ratchet (1) reaches described the first preset value to the pressure of described the first ratchet (2), described connecting rod (21) overcomes described default torsion, make described the first ratchet (1) promote described the first ratchet (2) thus displacement by described the first rotating shaft (3) release.
4. latching device according to claim 3, it is characterized in that, described fixed parts (4) comprises body (41) and housing (42), described housing (42) is fixedly installed on described body (41), it is upper that described the second rotating shaft (9) is arranged on described housing (42), and described torque spring (8), described the second rotating shaft (9), described position limiting structure are all positioned at the space between described housing (42) and described body (41).
5. latching device according to claim 4, it is characterized in that, described position limiting structure comprises the second ratchet (11) and the second ratchet (12), described the second ratchet (11) is arranged on described the second rotating shaft (9) above and can synchronously rotates with described the second rotating shaft (9), described the second ratchet (12) is fixedly installed on described housing (42) above and coordinates with described the second ratchet (11), for limiting described the second ratchet (11) contrarotation.
6. latching device according to claim 4, is characterized in that, described inhibiting device also comprises knob (14), and described housing (42) is stretched out in one end of described the second rotating shaft (9), and described knob (14) is arranged in described the second rotating shaft (9).
7. latching device according to claim 4, is characterized in that, described inhibiting device also comprises torque value dial plate (15), is arranged on described housing (42) upper, for showing the torsion of described torque spring (8).
8. a demountable tanker carrier, it is characterized in that, comprise chassis (16), auxiliary cylinder (17) and the latching device as described in any one in claim 1 to 7, described fixed parts (4) is arranged on the side of described chassis (16), and described auxiliary cylinder (17) is fixedly connected with described the first rotating shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210251409.1A CN102729880B (en) | 2012-07-19 | 2012-07-19 | Locking device and demountable tanker carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210251409.1A CN102729880B (en) | 2012-07-19 | 2012-07-19 | Locking device and demountable tanker carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102729880A CN102729880A (en) | 2012-10-17 |
| CN102729880B true CN102729880B (en) | 2014-06-18 |
Family
ID=46986407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210251409.1A Expired - Fee Related CN102729880B (en) | 2012-07-19 | 2012-07-19 | Locking device and demountable tanker carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102729880B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737386A (en) * | 2013-12-12 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Rachet looseness prevention high-precision fine adjusting clamp |
| CN104043979A (en) * | 2013-12-13 | 2014-09-17 | 芜湖市天雄新材料科技有限公司 | Pressure measurable pawl-type locking clamp |
| CN104043981A (en) * | 2013-12-13 | 2014-09-17 | 芜湖市天雄新材料科技有限公司 | Pawl type anti-loosening clamp |
| CN104057314A (en) * | 2013-12-13 | 2014-09-24 | 芜湖市天雄新材料科技有限公司 | Pressure-controllable pawl type anti-loose clamp |
| CN103722400A (en) * | 2013-12-16 | 2014-04-16 | 芜湖欣荣管业科技有限公司 | Measurable pressure locking-pawl quick clamp |
| CN103753300A (en) * | 2013-12-16 | 2014-04-30 | 芜湖市天雄新材料科技有限公司 | Pawl-locking type fine tuning clamp with controllable pressure |
| CN108088604B (en) * | 2018-02-07 | 2019-09-03 | 电子科技大学 | A kind of single-degree-of-freedom occlusion robot monitored applied to food and dentistry |
| CN108749756B (en) * | 2018-05-24 | 2023-11-03 | 湖北神久汽车用品有限公司 | Motor vehicle tail protector |
| CN113182133B (en) * | 2021-04-25 | 2022-07-05 | 重庆德凯实业股份有限公司 | Colloid permeation filling device in gluing process and use method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6325036B1 (en) * | 1998-10-30 | 2001-12-04 | Briggs & Stratton Corporation | Starting and stopping device for an internal combustion engine |
| DE102004043592B3 (en) * | 2004-09-09 | 2006-03-09 | Demag Cranes & Components Gmbh | Safety brake mechanism for rope hoist, has brake surface provided for brake ring at outer periphery of coupling that concentrically connects output shaft of lifting gear drive and sleeve barrel |
| CN2731172Y (en) * | 2004-10-20 | 2005-10-05 | 长沙普雷科机电技术有限公司 | Automatic compensator and brake using the same |
| CN102303559B (en) * | 2011-06-28 | 2012-12-05 | 三一重工股份有限公司 | Improved demountable tanker carrier |
| CN202245909U (en) * | 2011-08-15 | 2012-05-30 | 赵明 | Positioning mechanism for ratchet pawl in winch |
-
2012
- 2012-07-19 CN CN201210251409.1A patent/CN102729880B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102729880A (en) | 2012-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102729880B (en) | Locking device and demountable tanker carrier | |
| CA2551697C (en) | Pothole protection mechanism | |
| CN205531813U (en) | Electronic padlock | |
| CN104947988B (en) | Parking place lock with kerb weight pressure energy storage function | |
| CN214690201U (en) | Unmanned aerial vehicle clamping device | |
| CN107379950A (en) | A kind of vehicle body platform with matching lifting quick change battery means | |
| JP2015093228A (en) | Disintegrator for flexible container and cracking method | |
| CN102729879B (en) | Preset torque force stop block and demountable tanker carrier | |
| CN200984832Y (en) | Ratchet type braking device | |
| CN201334291Y (en) | Elevator rope slack protecting device | |
| EP2712778A1 (en) | Vehicle parking brake control lever and pin with rollers | |
| CN217300038U (en) | Self-locking hook and elevator | |
| CN114084664B (en) | T-shaped shaft discharging mechanism and method for gas meter manufactured by industrial Internet of things | |
| CN207511761U (en) | A kind of elevator counterweight elevator belt is broken testing agency | |
| CN204826819U (en) | Parking stall lock with with vehicle dead weight energy storage function of exerting pressure | |
| CN215798159U (en) | High-reliability wheel shaft jack for bucket wheel machine maintenance | |
| CN211971620U (en) | Electric hydraulic jack | |
| CN210474138U (en) | Industrial and mining crushing device with balance adjusting function | |
| CN201264875Y (en) | Security device for bridge crane | |
| CN203807043U (en) | Compression-type static load jack machine | |
| CN202922586U (en) | Mechanical hand automatic opening and closing device | |
| CN207728125U (en) | The general clutch of smart lock | |
| CN105347249B (en) | A kind of hydraulic elevator with emergency protection system | |
| CN2732667Y (en) | Compression type garbage vehicle scraper creeping device | |
| CN214768264U (en) | Pneumatic stamping anti-collision induction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20170719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |