CN101100200B - Entirety type electric and manual hydraulic lifter for overturning driving cab - Google Patents
Entirety type electric and manual hydraulic lifter for overturning driving cab Download PDFInfo
- Publication number
- CN101100200B CN101100200B CN200710055922A CN200710055922A CN101100200B CN 101100200 B CN101100200 B CN 101100200B CN 200710055922 A CN200710055922 A CN 200710055922A CN 200710055922 A CN200710055922 A CN 200710055922A CN 101100200 B CN101100200 B CN 101100200B
- Authority
- CN
- China
- Prior art keywords
- lifting body
- elevating ram
- oil
- valve
- hydraulic
- 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
- Actuator (AREA)
Abstract
The electrically driven and hand driven hydraulic lifting machine for turning integral cab belongs to the field of automotive technology. The electrically driven and hand driven hydraulic lifting machine includes electric pump, hand pump and its operating mechanism, change valve and its operating mechanism, non-return valve for hand pump, one-way throttle valve, hydraulically controlled non-return valve, servo mechanism, unlocking oil cylinder, sealing member and control oil path mounted integrally inside one housing; lifting oil cylinder, piston and relevant parts integrated and mounted on the housing; and motor for the electric pump on the housing. The electrically driven and hand driven hydraulic lifting machine has reliable operation, wide application range, great lifting force and other advantages.
Description
Technical field
The invention belongs to automobile technical field, the integral type driver's cab turnover that is specifically related to five kinds of versions is with electronic, hand-hydraulic lifting machine, and international Patent classificating number is: B62D33/067.
Background technology
Existing cab tilting device mainly contains following three kinds of forms at present, and a kind of is the torque spring formula, torque spring is installed on the fulcrum before operator's compartment, and is given pre-torsion, is used to lower the gravity of operator's compartment; Second kind is to adopt screw-rod structure; The third adopts the manual or electronic mode of hydraulic gear; Above-mentioned three kinds of modes all have different defectives.The labour intensity of the upset chaufeur of first and second kind operator's compartment is very big and dangerous; The third has split type driver's cab turnover device to come out, and the oil pump of this tumbler and hydraulic ram are that two body branches are put, and the centre is connected by oil pipe, oil pipe in use easily is worn and causes system's leakage of oil, secondly make the tumbler operational failure, pipe seal is not good causes leakage of oil, and assembly process process is poor.Chinese patent disclosed the patent No. on December 21st, 2005 and has been: 200510016856.9, name is called: electric/manual lifting device for driver's cab turnover, this patent is electronic and manually integrated, overcome above-mentioned deficiency, though more convenient, be suitable for,, 1, whole device can not horizontal lifting (because having adopted the deadweight check valve).2, hoisting force is subjected to the restriction (because motor-drive pump adopts split-type structural) of plunger pump sliding spool diameter and quantity (two) so hoisting force promotes difficulty.3, the long valve opening quantity of body horizontal volume too much causes the loaded down with trivial details productive costs of manufacturing process than higher.4, the manual pump apparatus system because and body adopt in the actual use of outside installation form and easily cause thread looseness to make manual pump device operation failure.Adopt the mode that swings up and down to inject high pressure oil when 5, operating, do not have arrangement space so bring difficulty to car load layout and operation but when actual entrucking is used, adopt to swing up and down to system owing to the manual pump device.6, operator's compartment promptly adopted fastening lock to be locked at ordinary times before maintenance, opened the fastening lock mode and adopted manually and the auto-unlocking device.This just requires must open operator's compartment fastening lock device before lifting work could realize lifting.Lifting device for driving cabin turn-over then can only adopt manual mode to open a kind of form of fastening lock.7, follow-up mechanism being arranged in the inner manufacturing cost of piston rod is higher than and is arranged in the lifting body interior.8, can only realize that closely M/C can not be realized remote M/C and the remote automatically controlled and remote control of button.
Summary of the invention
Goal of the invention of the present invention provides safe, practical wide ranges, compact conformation, and is easy to use, and the lower integral type driver's cab turnover of cost is with electronic, hand-hydraulic lifting machine.
Technical solution of the present invention is that integral hydraulic pump, manual pump, control oil channel, control mechanism, check valve, by pass valve, flow regulating valve all are integrated in the lifting body interior;
But parts such as elevating ram cylinder barrel or slave cylinder, lifting piston, suspension ring become one and are installed on the lifting body; Lower ear base left side and upper surface and lifting body link into an integrated entity.
Electrical motor, dustproof cushion blocking, motor-drive pump device for preventing leakage, integral hydraulic pump are installed in described lifting body left upper portion from top to bottom successively, manual pump and slave cylinder or the oil cylinder of unblanking are installed in the bottom, left side, elevating ram is installed on the right side;
In the positive left-to-right of described lifting body manual pump and bar handle, by pass valve are installed successively, two four-ways rotate change-over valve and steering unit, one-way throttle valve and hydraulic control one-way valve;
In described lifting body left end face slave cylinder or the oil cylinder of unblanking (or be installed in body left side lower surface with the slave cylinder or the oil cylinder of unblanking), manual pump high pressure check valve are installed successively;
It is stifled at described lifting body aft end face the commutation valve oil to be installed;
It is dustproof stifled at described lifting body lower-left end face the manual pump piston to be installed;
Have the oil duct that connects all installing components on the lifting body in described lifting body interior;
In described lifting body right-hand member bottom the ear seat is arranged, ear seat left side and upper surface and lifting body link into an integrated entity, top is equipped with elevating ram, the hydraulic hand-pump of installing in lifting body left end bottom adopts manual pump rotary oscillation cam mechanism, and manual pump rotary oscillation cam mechanism is arranged in the front or the back of bottom, lifting body left side;
The steering unit that described two four-ways rotate change-over valve adopts 3 kinds of operating mode: manually closely maneuverability pattern, manually remote control mode and automatically controlled remote control mode;
In the lifting body interior described change-over valve and the 1st steering unit have been installed, electric hydraulic pump, hydraulic hand-pump and the 2nd steering unit, by pass valve, high pressure check valve, oil sucting one-way valve, one-way throttle valve, hydraulic control one-way valve;
In order to realize some vehicle cab suspension Fu needs, improve the working environment of operator's compartment, the present invention has adopted follow-up mechanism.
Follow-up mechanism has a kind of structure of slave cylinder type to divide horizontal and vertical two kinds of arrangements, a kind of structure of Oil Guide grooved; Group becomes three kinds of arrangements of two kinds of version: in lifting body interior of the present invention, slave cylinder has horizontal and vertical two kinds with the oil cylinder arranged in form; Follow-up mechanism adopts the Oil Guide grooved, but promptly forms follower structure formation servo-actuated elevating ram in 4 vertical oil guide groove of elevating ram lower end processing and piston.
When operator's compartment adopted the manual unlocking fastening lock, the present invention had three kinds of structures:
The slave cylinder type is with the horizontal and vertical lifting body interior that is arranged in, and at this moment the no follow-up mechanism in elevating ram bottom constitutes two kinds of structures of the present invention;
The third structure is the Oil Guide grooved, and lifting body interior is not at this moment installed slave cylinder;
When the operator's compartment employing was opened fastening lock automatically, the present invention adopted following two kinds of versions:
Replace with the horizontal or vertical oil cylinder of unblanking respectively the position that horizontal or vertical slave cylinder are installed in aforesaid lifting body interior, and the follow-up mechanism of these two kinds of versions is arranged in the elevating ram bottom with the Oil Guide grooved simultaneously.
System oil-way adopted differential mode lifting when follow-up mechanism adopted the Oil Guide grooved.
Outer consistent being convenient to of fitted position of installing between the duct with electronic, hand-hydraulic lifting machine body with the integral type driver's cab turnover of the slave cylinder and the cylinder body of unblanking exchanged.
No matter adopt which kind of follow-up mechanism, the oil cylinder of unblanking adopts horizontal and vertical assembling form to determine according to operator's compartment master layout needs.
Described integral hydraulic pump is arranged in lifting body left side, is made up of DC motor, dustproof cushion blocking, motor-drive pump device for preventing leakage, integral hydraulic pump, and the manual pump high pressure connects oil duct and is arranged in the integral hydraulic pump; Owing to adopted the integral hydraulic pump to make lifting body and prior art reduce two sliding spool pumps, two high pressure check valves, two 6 screw thread grafting valves such as oil sucting one-way valve, make structure clean and tidy, fabrication properties is good, and anti-leak is more reliable.
Described manual pump is arranged in the lifting body left side, form by rotary oscillation cam mechanism, bar handle, manual pump piston rod, manual pump oil sucting one-way valve, manual pump high pressure check valve etc., the manual pump oil sucting one-way valve is installed in lifting body interior (manual pump piston rod upper end and motor-drive pump joint portion), adopts front end face or the aft end face of the arrangement of mechanism of rotary oscillation cam mode in lifting body left side.
Described slave cylinder is arranged in the lifting body left side or is arranged in lifting body lower surface, is made up of cylinder barrel, piston rod, retracing spring, cylinder cap;
The described oil cylinder of unblanking is arranged in the lifting body left side or is arranged in lifting body lower surface, is made up of cylinder barrel, piston rod, cylinder cap, and piston rod connects the taut wire of opening fastening lock, and the steel wire overcoat that the taut wire of fastening lock is used is opened in the cylinder cap connection;
Described slave cylinder is opposite with the oil cylinder piston sense of motion when lifting of unblanking, the oil cylinder ecto-entad motion of unblanking during lifting, and the steel wire that pulling is connected on the piston rod is opened fastening lock;
Described slave cylinder is consistent with lifting body connection mode with the oil cylinder of unblanking;
Described elevating ram adopts two kinds of versions of A, B:
A, elevating ram adopt the double acting form, elevating ram is made up of fuel tank overcoat, elevating ram cylinder barrel, piston rod and piston, piston rod top is equipped with and operator's compartment bonded assembly suspension ring, the elevating ram cylinder barrel is connected with the lifting body by screw thread, piston rod is connected with piston with cylinder barrel version, and elevating ram cylinder barrel bottom does not contain follow-up mechanism; Between elevating ram cylinder barrel and the fuel tank overcoat hydraulic oil is housed; Fuel tank overcoat and lifting body free-running fit are by O type ring radial seal; Clamp nut is fastened on the elevating ram cylinder barrel on the lifting body together with the fuel tank overcoat by the screw thread on elevating ram cylinder barrel top.
B, elevating ram adopt the double acting form, but elevating ram is made up of fuel tank overcoat servo-actuated elevating ram, piston rod and piston, piston rod top is equipped with and operator's compartment bonded assembly suspension ring, but the servo-actuated elevating ram is connected with the lifting body by screw thread, piston rod is connected with piston with the cylindrical structure form, but servo-actuated elevating ram bottom has 4 oil guide groove, constitutes follow-up mechanism with piston; Fuel tank overcoat and lifting body free-running fit are by O type ring radial seal; Clamp nut is fastened on cylinder tube on the lifting body together with the fuel tank overcoat by the screw thread on cylinder tube top;
But described elevating ram is with the difference of servo-actuated elevating ram: but form follower structure in 4 vertical oil guide groove of servo-actuated elevating ram lower end processing and piston, and oil guide groove length basis servo-actuated required distance is up and down determined all the other structure unanimities.
In order to realize some vehicle cab suspension Fu needs, improve the working environment of operator's compartment, adopted follow-up mechanism, when operator's compartment requires employing to open the fastening lock device automatically, but can adopt the oil cylinder supporting servo-actuated elevating ram simultaneously of unblanking; When operator's compartment required to adopt manual unlocking fastening lock device, can adopt slave cylinder simultaneously supporting was elevating ram.When considering that car load crossing ability or other require, the slave cylinder or the oil cylinder of unblanking can be arranged in lifting body left side;
Five kinds of structure correspondences are as follows: three kinds of structures are arranged when operator's compartment adopts manual unlocking fastening lock mode, a kind of is slave cylinder to be arranged in lifting body left side another kind be arranged in the lower-left end face, the elevating ram cylinder barrel does not contain follow-up mechanism, the third lifting body does not contain slave cylinder and the oil cylinder (but and form differential mode oil duct by change-over valve provide high pressure oil to finish lifting to the servo-actuated elevating ram) of unblanking, and follow-up mechanism directly is arranged in the elevating ram cylinder barrel.These three kinds of structure manual pump rotary oscillation cam mechanisms all are arranged in the aft end face in lifting body left side; Two kinds of structures when adopting hydraulic pressure to unblank mode, operator's compartment are arranged, a kind of is the oil cylinder of unblanking to be arranged in lifting body left side another kind be arranged in the lower-left end face, the elevating ram cylinder barrel contains follow-up mechanism, but and form differential mode oil duct by change-over valve and provide high pressure oil to finish lifting to the servo-actuated elevating ram, these two kinds of structure manual pump rotary oscillation cam mechanisms all are arranged in the front end face in lifting body left side.
Concrete operations:
Because the manual pump high pressure connects oil duct and is arranged in that the integral hydraulic pump is inner to provide high pressure oil by rotary valve to system with the public high-pressure oil duct of motor-drive pump oil duct, systemic-function unanimity when therefore no matter motor-drive pump or manual pump carry out lifting work:
Lifting: two kinds of forms are arranged, when selecting for use when opening fastening lock automatically, the high pressure oil that high oil duct transmits with differential form through hydraulic control one-way valve with lift and send into the oil cylinder bottom to flow regulating valve and promote the piston upward movement; Epicoele hydraulic oil is got back to rotary valve high pressure hydraulic fluid port up to finishing lifting through oil return pipe;
When selecting the manual unlocking fastening lock for use, the high pressure oil that high oil duct transmits is sent into oil cylinder bottom promotion piston upward movement through hydraulic control one-way valve and one-way throttle valve; Epicoele hydraulic oil through oil return pipe to the rotary valve return opening to fuel tank up to finishing lifting;
Stop: in lifting or falling process, when motor-drive pump or manual pump stop when elevating ram is carried high pressure oil, make operator's compartment be parked in desired location because the high pressure oil that the oil cylinder bottom flows to the loop is closed in the effect of hydraulic control one-way valve rapidly.Guarantee that the operator's compartment by gravity does not fall after rise;
Fall after rise: make the high pressure oil of motor-drive pump or manual pump output oppositely enter oil duct by rotating change-over valve, like this, high pressure oil is told one and is opened the hydraulic control act to valve, another enters the oil cylinder epicoele from oil return pipe, act on piston, piston is descended, the hydraulic oil of oil cylinder cavity of resorption is oil sump tank after the one-way throttle valve throttling, avoided making its steady falling because of gravity causes the operator's compartment falling too fast;
Servo-actuated: the present invention requires rotary valve to finish falling back rotation change-over valve to the lifting state in lifting, cuts off system power supply, and at this moment system is in the servo-actuated state.
The manual control mode realizes that by clockwise rotating change-over valve manually the Long-distance Control mode realizes that by rotating counterclockwise change-over valve electrically controlled manipulation is realized automatically by electronic circuit.When selecting for use when opening fastening lock automatically, but system adopts slave cylinder, but form follower structure owing to processed 4 vertical oil guide groove and piston in servo-actuated elevating ram cylinder barrel lower end, the slit that piston up-and-down movement this moment can only lean on 4 vertical oil guide groove and piston to form is transmitted hydraulic oil and is realized, oil guide groove length basis servo-actuated required distance is up and down determined;
When selecting the manual unlocking fastening lock for use, directly the elevating ram piston is got back to the oil cylinder bottom, and slave cylinder hydraulic oil is in saturation conditions.This moment, rotary valve rotated to lift location, the rotary valve oil duct seals high-pressure oil duct, the back oil road connected tank, during the elevating ram upward movement hydraulic oil in the slave cylinder cylinder is sucked the elevating ram cavity of resorption, hydraulic oil is inhaled into that to finish be that elevating ram has arrived the servo-actuated top dead point in the slave cylinder cylinder, and the distance that the servo-actuated top dead point of elevating ram and elevating ram arrive the oil cylinder bottom is maximum servo-actuated distance.
It is exactly the position of setting between the distance of servo-actuated top dead point and cylinder bottom portion that operator's compartment is in the work balance position.Distance between the operator's compartment balance position arrival servo-actuated top dead point is a servo-actuated distance under the distance of last servo-actuated distance, arrival cylinder bottom is.
Rotary valve control is adopted in the manipulation of lifting of the present invention and falling and follow mechanism, and it is two position and four-way reversing valves that rotary valve has two kinds of forms a kind of, and a kind of is two differential change-over valves of four-way.Both valve inner oil circuits are identical at the lifting state falling state that do not coexist, and both are identical at the outside bonded assembly oil circuit of system, and just difference is on the rotary valve structure.Therefore a kind of version is adopted in body interior oil circuit of the present invention duct.
Rotary valve commutation control divides three kinds of modes:
1, manual control mode, this operation are suitable for closely operation, with the moving rotary valve handle mode of hand-screw make the rotary valve Rotation With Changing to, rotary valve adopts cw lifting conter clockwise to fall rotating manner after rise and handles, rotary valve adopts pin to carry out spacing in the lifting body exterior.The rotary valve aft end face adopts stifled axial location of oil and sealing, and the rotary valve aft end face has the oil sump tank duct and causes the rotary valve front end face and prevent between the stifled and rotary valve of oil because the infiltration of high pressure oil produces axial force.Be used to prevent owing to the influence owing to right alignment between rotary valve and the joystick produces interference with the keyway type connection between rotary valve front end and the joystick.There is cavity and the oil sump tank duct that is formed by the lifting body at rotary valve front end place.The rotary valve position-limitting pin is installed on the protecgulum.Adopt external diameter and corner sealing, endoporus to adopt exclusion seal between preceding cover back-end diameter of axle place and lifting body, installation seal ring and protecgulum endoporus formation hole seals on joystick.
2, manual Long-distance Control mode, some vehicle is inconvenient to use manually closely operation.Rotary valve must be handled like this and be put into the operation of appropriate location, operator's compartment back.The present invention adopts stone dead wire and stone dead wire overcoat bonded assembly length apart from control structure.Connect stepped shaft at the rotary valve front end by the axle of having strong market potential, the swing bearing pin is installed at the place in the middle of the big footpath of stepped shaft front end, swing bearing pin one end is connected other end cutting elongated groove by pin with the big footpath of stepped shaft front end and extends to the lifting body exterior, stepped shaft is installed in the overcoat, at the overcoat outer face axial location blanking cover is installed.Two of the spacing locating dowel pins of rotary valve are installed and are had strong market potential a composition rotary valve commutation registration device at the overcoat aft end face.Be equipped with and stone dead wire bonded assembly pull bar in lifting body left end relevant position.Place, the big footpath of pull bar fluting is connected with rocking pin axial length groove place by bearing pin, the path major axis partly is installed in the long swivel nut, retracing spring one end is installed rear end, the big footpath of the pull bar other end and is installed on the long swivel nut, long swivel nut is connected with the lifting body by screw thread, long swivel nut outer end is installed in the stone dead wire overcoat on the lifting body by nut, the stone dead wire overcoat other end is installed on the control device of operator's compartment back, and the steel wire other end on the cylinder lever connecting rod is connected handle, at its lower end on the control device by the soft cover of steel wire.Manually the rotary valve structure of Long-distance Control mode is with identical with the handcontrolled manipulation mode at the duct of lifting body mounting means.Rotary valve adopts conter clockwise lifting cw to fall rotating manner after rise and handles,
3, it is coaxial reducer motor to be installed in the rotary valve front end be connected with the coaxial reducer motor output shaft by the axle of having strong market potential that electrically controlled manipulation, electricity are handled.Coaxial reducer motor is installed in the motor overcoat by screw, motor overcoat small end face is equipped with two spacing bearing pins and forms rotary valve commutation registration device with axle one end of having strong market potential, and major axis other end correspondence is in motor overcoat small end face two electrical sensors are installed in the position location.Coaxial reducer motor drives rotary valve and arrives lift location place generating signal motor and stop operating, and in like manner coaxial reducer motor drives rotary valve and stops operating to falling position generating signal motor after rise, and rotary valve commutation registration device is used for forcing after electrical equipment is malfunctioning locating.The big end of motor overcoat is installed on the lifting body by screw, and at the overcoat root formation radial seal and corner sealing between seal ring and the lifting body is installed.Adopt oil to block up at the rotary valve aft end face and carry out axial location and sealing, the rotary valve aft end face has the oil sump tank duct and causes the rotary valve front end face and prevent between the stifled and rotary valve of oil that because the infiltration of high pressure oil produces axial force, there is cavity and the oil sump tank duct that is formed by the lifting body at rotary valve front end place.
Electrically controlled manipulation of the present invention can adopt the commutation of push button form control rotary valve; Also can adopt the commutation of remote control form control rotary valve.
The present invention also can adopt stepping motor to replace the commutation of coaxial reducer motor control rotary valve.
The present invention is installed in the lifting body interior with the integral hydraulic pump, manual pump and operating control mechanism, rotary valve and steering unit, the slave cylinder or the oil cylinder of unblanking are integrated in the lifting body interior, lower ear base is integrated on the lifting body, with fuel tank, but elevating ram cylinder barrel or servo-actuated elevating ram and piston are integrated in one, there is not the outside oil pipe that connects, avoided the leakage of oil problem, because manual pump all is integrated in the lifting body lower-left side compact conformation that more seems, because it is wideer according to 5 kinds of mounting structure applicable performances of entrucking needs design-calculated, possesses reliable operation, reduce fault rate, reduce production costs, assembly process process is good, changes good effect easily.
Description of drawings
Fig. 1 is the structural representation of example 1 of the present invention;
Fig. 2 is the structural representation of example 3 of the present invention;
Fig. 3 is the backsight structural representation of example 1 of the present invention
Fig. 4 is the backsight structural representation of example 3 of the present invention;
Fig. 5 is the elevating ram and the slave cylinder section-drawing of example 1 of the present invention;
Fig. 6 is the by pass valve section-drawing;
Fig. 7 is one-way throttle valve and lifting body ear seat section-drawing;
Fig. 8 is the elevating ram and the slave cylinder section-drawing of example 3 of the present invention;
Fig. 9 is change-over valve and hydraulic control one-way valve section-drawing;
Figure 10 is the manual pump handle structure section-drawing of example 3 of the present invention and example 4;
But Figure 11 is the servo-actuated elevating ram section-drawing of example 5 of the present invention;
Figure 12 is the manual pump handle structure section-drawing of example 1 of the present invention and example 2;
Figure 13 is the structural representation of example 5 of the present invention;
Figure 14 is the backsight structural representation of example 5 of the present invention;
But Figure 15 is the servo-actuated elevating ram of example 2 of the present invention and the oil cylinder section-drawing of unblanking;
Figure 16 is a manual pump high pressure check valve oil sucting one-way valve manual pump piston rod section-drawing;
But Figure 17 is the servo-actuated elevating ram of example 4 of the present invention and the oil cylinder section-drawing of unblanking;
Figure 18 is an integral hydraulic pump section-drawing;
Figure 19 (1-5) is the lifting body construction scheme drawing of example 3 of the present invention and example 4;
Figure 20 (1-5) is the lifting body construction scheme drawing of example 1 of the present invention and example 2;
Figure 21 rotates the structural representation of the manual Long-distance Control of change-over valve to example 5 for example 1 of the present invention;
Figure 22 rotates the structural representation of change-over valve electrically controlled manipulation to example 5 for example 1 of the present invention;
Figure 23 rotates the section of structure of the manual Long-distance Control of change-over valve to example 5 for example 1 of the present invention;
Figure 24 rotates the rotary valve and the steering unit section-drawing of the manual Long-distance Control of change-over valve to example 5 for example 1 of the present invention;
Figure 25 rotates the front schematic view of change-over valve electrically controlled manipulation to example 5 for example 1 of the present invention;
Figure 26 is that example 1 of the present invention is to example 5 automatically controlled rotation change-over valve and steering unit section-drawings;
Figure 27 is the hydraulic schematic diagram of example 1 of the present invention and example 3;
Figure 28 is the hydraulic schematic diagram of example 2 of the present invention and example 4:
Figure 29 is the hydraulic schematic diagram of example 5 of the present invention.
The specific embodiment
Embodiment 1:
The present invention is made up of lifting body 12, integral hydraulic pump 24, manual pump 13, slave cylinder 35, elevating ram cylinder barrel 40.
In described lifting body 12 left end face slave cylinder 35, manual pump high pressure check valve 14 are installed successively;
Rotation With Changing is installed to valve oil stifled 42 at described lifting body 12 aft end faces;
At described lifting body 12 lower-left end faces manual pump piston dustproof stifled 43 is installed;
Have the oil duct that connects all installing components on the lifting body in described lifting body interior;
At described lifting body 12 right lower quadrants ear seat 34 is arranged, ear seat 34 left end face are connected with lifting body 12 with the upper surface, top is equipped with elevating ram cylinder barrel 40, in lifting body 12 left end bottoms hydraulic hand-pump 13 is installed, wherein manual pump 13 adopts rotary oscillation cam mode, and rotary oscillation cam mechanism 15 is arranged in the back of bottom, lifting body 12 left side;
Rotation change-over valve 11 and steering unit are installed in lifting body 12 inside, end inside, integral hydraulic pump 24 lower-left is installed in inside, lifting body 12 left side manual pump 13 and steering unit are installed, left end face to lifting body interior is equipped with slave cylinder 35;
In lifting body 12 inside rotation change-over valve 11 and steering unit have been installed, electric hydraulic pump, hydraulic hand-pump 13 and steering unit, by pass valve 8, high pressure check valve 14, oil sucting one-way valve 45, one-way throttle valve 9, hydraulic control one-way valve 10, slave cylinder 35;
Described integral hydraulic pump 24 is arranged in lifting body 12 left sides, be equipped with on the integral hydraulic pump by DC motor 7, dustproof cushion blocking 23, motor-drive pump device for preventing leakage 21, integral hydraulic pump 24 etc. and form, the manual pump high pressure connects oil duct 29 to 30 and is arranged in the integral hydraulic pump 24;
Described manual pump 13 is arranged in lifting body 12 left sides, form by rotary oscillation cam mechanism 15, bar handle, manual pump piston rod 46, manual pump oil sucting one-way valve 45, manual pump high pressure check valve 14 etc., manual pump oil sucting one-way valve 45 is installed in lifting body 12 inside (manual pump piston rod 46 upper ends and integral hydraulic pump 24 joint portions), adopts described rotary oscillation cam mechanism 15 to be arranged in the aft end face in lifting body 12 left sides.
Described slave cylinder 35 is arranged in the lifting body left side, is made up of cylinder barrel, piston rod, retracing spring, cylinder cap;
Described elevating ram 6 is made up of fuel tank overcoat, elevating ram 40, piston rod 41 and piston 37, elevating ram 40 is connected with lifting body 12 by screw thread, oil return pipe 19 is inserted on the lifting body on elevating ram 40 right sides, the fuel tank overcoat is installed in the elevating ram 40 and oil return pipe 19 outsides, fuel tank overcoat and lifting body 12 free-running fits are by O type ring radial seal; Clamp nut 3 is fastened on elevating ram 40 on the lifting body 12 together with the fuel tank overcoat by the screw thread on elevating ram 40 tops; The top of oil return pipe 19 is inserted in the spacer shell 4 that is installed in fuel tank overcoat top, has 4 return openings in elevating ram 40 and spacer shell 4 annular groove junctions; In the inside of elevating ram 40 piston rod 41 is installed;
Described piston rod 41 is a steel cylindrical tube; Piston rod 41 upper ends are equipped with suspension ring 1, and suspension ring 1 are connected with the anti-rotation straight pin by screw thread with piston rod 41, in suspension ring 1 are fixed on oscillating bearing by the steel wire snap ring; The bottom of piston rod 41 connects piston by seam and straight pin; Piston 37 has three road annular grooves, and the first and the 3rd road is equipped with oil sealing, and second road is equipped with carrier ring;
The employed duct of each parts sees that figure marks (seeing shown in Figure 20) in totally 37 holes with relevant oil duct in the lifting body 12,
034 is elevating ram assembling screw; 029 is integral hydraulic electric motor for pump installation seam, 030 is integral hydraulic pump eccentric shaft bottom end bearing cover mounting hole, 027 is manual pump high pressure oil output duct, 031 manual pump high pressure oil input duct and integral hydraulic pump input duct, 028 is oil sucting one-way valve installation duct and manual pump piston installation duct, but 033 is elevating ram or slave cylinder high pressure oil inlet, 035 is oil return pipe installation duct, 036 is fuel tank hydraulic oil output duct, 032 is fuel tank hydraulic oil output duct, 018 is rotary valve installation and steering unit duct, 015 is by pass valve installation duct, 016 is one-way throttle valve installation duct, 017 is hydraulic control one-way valve installation duct, 011 is the slave cylinder or the oil cylinder installation duct of unblanking, 010 is that manual pump high pressure check valve is installed the duct, 012 is that manual pump rotary oscillation cam axis of revolution is installed the duct, 013 is manual pump rotary oscillation cam bearing pin sliding tray, 008 is the stifled duct of installing of commutation valve oil, 024 is oscillating bearing installation duct;
Each oil duct is composed as follows:
Integral hydraulic pump oil input channel is formed: meet at 036 by 003 and pass 015 simultaneously and meet at 026 and end and meet at 026 to 032 by 019 again and end.032 enters bottom, 029 hole forms fuel tank hydraulic oil collection region.
The manual pump oil duct is formed: meet at 010 by 020 and meet at 028 again and forms manual pump oil sucting one-way valve oil-feed oil discharge passage manual pump high pressure check valve oil inlet passage, meet at 010 by 021 and meet at 027 again and form manual pump high pressure oil delivery channel high pressure oil and finally export by 027; 027 through integral hydraulic pump arrival 031, and manual pump and integral hydraulic pump are finished in parallel by 031 output high pressure oil.Bottom, 029 hole forms fuel tank hydraulic oil collection region and enters 028 composition manual pump oil sucting one-way valve hydraulic oil inlet port.
005,006 forms the change-over valve oil duct: 006 passes change-over valve duct 008 meets at 009,009 and meets at 031; 005 passes duct, 017 hydraulic control one-way valve bottom passes change-over valve duct 008 again and meets at 031,005 and 006 and be cut into two parts by the change-over valve duct, be high pressure oil and the output of fuel tank hydraulic oil and enter the district that near 034 hole corresponding two holes of opposite side are high pressure oil output oil duct and low pressure oil oil return oil duct.
Meeting at 017 bottom, 035 by 005 meets at 017 bottom and forms lifting oil return oil duct.
The lifting oil duct is formed, and 014 meets at 006 meets at 007,007 and meet at 002,022 and pass 017 middle part and meet at 002, and the high pressure oil of finishing 006 output arrives 017 middle part process; 017 middle part is to 017 front portion, and 004 passes 017 front portion meets at 037,037 and meet at 018,018 and meet at 033 and arrive 034 and form the lifting oil duct.
The by pass valve oil duct is formed, and 017 passes 006 meets at 001,001 and meet at 015 bottom and form the high pressure oil oil duct; 003 meets at 036 passes 015 front portion and finishes hydraulic oil and arrive the fuel tank process.
Embodiment 2:
In order to realize opening the operator's compartment fastening lock automatically, the present invention has adopted the auto-unlocking device, be about to the slave cylinder that embodiment 1 is installed in lifting body left side and replace with the oil cylinder of unblanking, but with the elevating ram cylinder barrel among the embodiment 1 with the replacement of servo-actuated elevating ram;
Two four-ways are rotated change-over valve replace with two differential change-over valves of four-way,
The oil cylinder of will unblanking is arranged in lifting body left side, elevating ram 40 includes Oil Guide grooved follow-up mechanism (described in the technical scheme B kind elevating ram), but and form differential mode oil duct by the differential change-over valve 11 of two four-ways that replacement forms and provide high pressure oil to finish lifting to servo-actuated elevating ram upper and lower cavity, manual pump rotary oscillation cam mechanism 15 is arranged in the aft end face in lifting body left side.
But the present invention is made up of lifting body 12, integral hydraulic pump 24, manual pump 13, the oil cylinder 25 servo-actuated elevating rams 20 of unblanking.
For connecting the joint 16 of unblank oil cylinder and steel wire tightrope, piece number 18 is the steel wire tightrope in lifting body 12 left sides, and its structure is: the outer wire spring cover of interior steel wire.Piece number 17 is for being installed in the fastening lock on the truck.
Owing to adopt differential lifting oil circuit to supply with high pressure oil to elevating ram, unblank oil cylinder and elevating ram oil inlet are communicated with, so the oil cylinder of unblanking after fastening lock is opened in action earlier elevating ram just can enter the lifting mode of operation.The oil cylinder employing pulling mode of unblanking is worked.
Horizontal slave cylinder and the outside and body bonded assembly external relation consistent size of the horizontal oil cylinder of unblanking, body oil duct unanimity, so both adopt a kind of lifting body 12 of structure.
The lifting body of embodiment 1 and embodiment 2 is consistent, the employed ducts of each parts and relevant oil duct totally 37 holes in the lifting body 12.
Embodiment 3:
Consider the needs of the big stroke of operator's compartment servo-actuated, vertical slave cylinder 36 is arranged in lifting body 39 lower-left end faces, elevating ram 40 does not contain follow-up mechanism (described in the technical scheme A kind elevating ram).Manual pump rotary oscillation cam mechanism 15 is arranged in the front end face in lifting body left side;
The layout of other all parts is identical with embodiment 1;
What present embodiment adopted is lifting body 39, and lifting body totally 37 holes sees that figure marks (seeing shown in Figure 19):
Lifting body 39 and lifting body 12 differences are:
011 duct of lifting body 12 is horizontal, and 011 duct of lifting body 39 is vertical;
012 duct of lifting body 12,013 duct are lifting body left rear side, and 012 duct of lifting body 39,013 duct are lifting body front left side; The water jacket that lifting body 12 is installed the manual pump cam structure is arranged in lifting body 12 left side aft end faces, and the water jacket that lifting body 39 is installed the manual pump cam structure is arranged in lifting body 39 left side front end faces,
023 duct of lifting body 12 is a manual pump joystick shaft bearing sleeve mounting hole, and lifting body 39 does not have this duct;
038 duct of lifting body 39 is the duct of connection 011, and lifting body 12 outsides do not have this hole;
All the other duct unanimities.
Embodiment 4:
In order to realize opening the operator's compartment fastening lock automatically, the present invention has adopted the auto-unlocking device, be about to the slave cylinder that embodiment 3 is installed in lower surface, lifting body left side and replace with the oil cylinder of unblanking, but with the elevating ram among the embodiment 3 with the replacement of servo-actuated elevating ram;
Two four-ways are rotated change-over valve replace with two differential change-over valves of four-way,
The oil cylinder of will unblanking is arranged in lower surface, lifting body left side, elevating ram 40 includes Oil Guide grooved follow-up mechanism (described in the technical scheme B kind elevating ram), but and form differential mode oil duct by the differential change-over valve 11 of two four-ways that replacement forms and provide high pressure oil to finish lifting to servo-actuated elevating ram 20 upper and lower cavities, the rotary oscillation cam mechanism 15 of manual pump is arranged in lower surface, lifting body left side.
But the present invention is made up of lifting body 39, integral hydraulic pump 24, manual pump 13, the oil cylinder 27 servo-actuated elevating rams 20 of unblanking.
In lower surface, body 39 left side the joint 16 that connects unblank oil cylinder and steel wire tightrope is arranged, piece number 18 is the steel wire tightrope, and its structure is: the outer wire spring cover of interior steel wire.Piece number 17 is for being installed in the fastening lock on the truck.
Owing to adopt differential lifting oil circuit to supply with high pressure oil to elevating ram, unblank oil cylinder and elevating ram oil inlet are communicated with, so the oil cylinder of unblanking after fastening lock is opened in action earlier elevating ram just can enter the lifting mode of operation.The oil cylinder employing pulling mode of unblanking is worked.
Vertical slave cylinder and the outside and lifting body bonded assembly external relation consistent size of the vertical oil cylinder of unblanking, lifting body oil duct unanimity, so both adopt a kind of lifting body 39 of structure.
The lifting body of embodiment 3 and embodiment 4 is consistent, the employed ducts of each parts and relevant oil duct totally 37 holes in the lifting body 39.
Embodiment 5:
In order to simplify lifting body exterior structure and when operator's compartment designs, to avoid the interference situation of outside parts, change slave cylinder into oil guide groove version, be arranged in the elevating ram bottom, can the servo-actuated elevating ram;
Be present embodiment except that the slave cylinder or the oil cylinder of unblanking are not set in lifting body 39, all the other parts are provided with identical with embodiment 4 with embodiment 2.
The lifting body of present embodiment is: do not have 011 duct of lifting body 12 or lifting body 39, do not have 038 duct, all the other unanimities.Therefore, adopt lifting body 12 or lifting body 39 versions all can.The embodiment of the invention 5 diagrams are example with lifting body 12 only.
The lifting body that the embodiment of the invention 1 to embodiment 5 adopts with a kind of foundry goods, just difference is in the difference of indivedual positions processing content;
Adopt with the foundry goods body of symmetry of the present invention realize the embodiment of the invention 1 to embodiment 5 separately the integral type driver's cab turnover of entire infrastructure symmetry with electronic, hand-hydraulic lifting machine.
The present invention has following function:
1. the integral type driver's cab turnover is with electronic, hand-hydraulic lifting machine
In lifting or falling process, run into the situation that storage battery does not have electricity or motor to damage sometimes, for preventing that this moment, system can not work, in the lifting body interior gyroscopic pendulum dynamic formula manual pump has been installed, the input/output port of manual pump and integral hydraulic parallel connection of pumps, the lifting of operator's compartment, the power that stops, falling after rise can be implemented by hydraulic hand-pump at this moment;
2. safe unloading function
In lifting or falling process, if the piston in the hydraulic actuating cylinder has arrived top dead point or bottom dead point, this moment, motor-drive pump still worked on, and will cause internal system pressure excessive, made motor sharply add its damage of senior general because of moment of torsion; For avoiding the generation of this type of accident, therefore necessary control system pressure install safe unloader valve additional within the specific limits on oil main line, realize protective effect;
3. throttling at the uniform velocity falls function after rise
Operator's compartment will make it fall after rise with certain acceleration because operator's compartment is subjected to the elevating ram opposite force effect effect that makes operator's compartment add self gravitation with certain impulsive force of pulling back in the falling process; For avoiding this situation to occur, guarantee that operator's compartment at the uniform velocity slowly falls, and installs one-way throttle valve additional in body; Flow regulating valve is inoperative in the lifting process, process flow regulating valve throttling in the falling process.
4. hydraulic control one-way valve pressure holding function
The usefulness because operator's compartment confession repairman after lifting services a car, therefore elevating ram can not have not safety factor existence, so adopt hydraulic control one-way valve to make elevating ram after lifting, enter packing state, just can make the operator's compartment falling if want to make the operator's compartment falling open inner check valve must for the reverse pressurization of control check valve.Therefore, the integral type driver's cab turnover function that has after lifting with electronic, hand-hydraulic lifting facility and stop and enter packing state in any position when falling after rise.Because hydraulic control one-way valve in-to-in check valve adopts cone valve structure to have security personnel's effect.
5. open the function of locking operator's compartment fastening lock automatically
Because now a lot of vehicles use the device of opening operator's compartment locking operator's compartment fastening lock automatically.Therefore the present invention is arranged in the auto-unlocking oil cylinder in the lifting body.The oil cylinder piston bar of unblanking connects stone dead wire oil cylinder protecgulum and connects stone dead wire overcoat other end stone dead wire and connect and open on the hammerlock of fastening lock, and the stone dead wire overcoat is connected on the fastening lock body.Unblank during lifting hammerlock that oil cylinder action pulling earlier steel wire drives fastening lock is opened fastening lock the lock pin on the operator's compartment is broken away from, but operator's compartment turns over before the effect of servo-actuated elevating ram begins and leaves fastening lock.But operator's compartment falls the lock pin that makes on the operator's compartment after rise and falls in the fastening lock and tighten under the effect of servo-actuated elevating ram.
6. lag function
In order to realize some vehicle cab suspension Fu needs, improve the working environment of operator's compartment, adopt follow-up mechanism, so no matter adopted which kind of enforcement leading case all to be equipped with follow-up mechanism among the present invention.Two kinds of servo-actuated forms: cylinder structure type, slave cylinder when elevating ram falls back to bottom dead point is owing to be connected so the slave cylinder piston is pulled to oil cylinder protecgulum inner end surface place with elevating ram cylinder bottom oil duct, and slave cylinder was pulled the arrival cylinder bottom when elevating ram rose to the operator's compartment balance position.Volume in the slave cylinder stroke equates at balance position place piston cavity of resorption volume with elevating ram; The Oil Guide grooved forms follower structure in 4 vertical oil guide groove of elevating ram lower end processing and piston, and oil guide groove length adds upper piston thickness by the servo-actuated stroke and determines.Adopt differential mode fuel feeding during lifting, this structure and the supporting use of oil cylinder of unblanking also can be used separately.If consider the cost of manufacturing process can be with follow-up mechanism with the oil cylinder arranged in form in body interior, be exactly above-mentioned cylinder structure type.
7. remote M/C and the remote automatically controlled and remote control of button
The concrete operations principle sees that the described rotary valve commutation of summary of the invention control divides three kinds of modes to introduce.
Claims (3)
1. the integral type driver's cab turnover is with electronic and hand-hydraulic lifting machine, be by lifting body (12,39), at lifting body (12,39) elevating ram (6) installed of right side, upper surface, at lifting body (12,39) electrical motor (7) installed of upper left-hand and form at the ear seat (34) that lifting body right lower quadrant is provided with is characterized in that: integral hydraulic pump (24), manual pump (13), control oil channel, control mechanism, hydraulic control one-way valve, by pass valve, one-way throttle valve all are integrated in the lifting body interior; Electrical motor (7), dustproof cushion blocking (23), motor-drive pump leakage preventing device (21), integral hydraulic pump (24) are installed in described lifting body left upper portion from top to bottom successively, integral hydraulic pump bottom, left side is equipped with manual pump (13), and in lifting body left end face to lifting body interior the oil cylinder of unblanking (25) is installed; In the positive left-to-right of described lifting body manual pump (13) and the 1st bar handle are installed successively, by pass valve (8), two differential change-over valves of four-way (11) and the 2nd steering unit, one-way throttle valve (9) and hydraulic control one-way valve (10), in described lifting body interior (12,39) have oil duct, described elevating ram adopts the double acting form, elevating ram is by the fuel tank overcoat, but servo-actuated elevating ram, piston rod and piston are formed, piston rod top is equipped with and operator's compartment bonded assembly suspension ring, but the servo-actuated elevating ram is connected with the lifting body by screw thread, piston rod is connected with piston with the cylindrical structure form, but servo-actuated elevating ram bottom has 4 oil guide groove, constitutes follow-up mechanism with piston; But between servo-actuated elevating ram and the fuel tank overcoat hydraulic oil is housed, fuel tank overcoat and lifting body free-running fit are by O type ring radial seal; But but the screw thread of clamp nut by servo-actuated elevating ram top is fastened on the servo-actuated elevating ram on the lifting body together with the fuel tank overcoat; But servo-actuated elevating ram, piston and suspension ring become one and are installed on the lifting body; The left side of ear seat and upper surface and lifting body link into an integrated entity.
2. the integral type driver's cab turnover is with electronic and hand-hydraulic lifting machine, be by lifting body (12,39), at lifting body (12,39) elevating ram (6) of right side, upper surface installation, at lifting body (12,39) electrical motor (7) of upper left-hand installation, form at the ear seat (34) that lifting body right lower quadrant is provided with, it is characterized in that: with integral hydraulic pump (24), manual pump (13), control oil channel, control mechanism, hydraulic control one-way valve, by pass valve, one-way throttle valve all is integrated in the lifting body interior, in described lifting body left upper portion, electrical motor (7) is installed according to this from top to bottom, dustproof cushion blocking (23), motor-drive pump leakage preventing device (21), integral hydraulic pump (24), integral hydraulic pump bottom, left side is equipped with manual pump (13) and in lifting body left end face to lifting body interior slave cylinder (35) is installed, in the positive left-to-right of described lifting body manual pump (13) and the 1st bar handle are installed successively, by pass valve (8), two four-ways rotate change-over valve and the 2nd steering unit, one-way throttle valve (9) and hydraulic control one-way valve (10), in described lifting body interior (12,39) have oil duct, described elevating ram adopts the double acting form, elevating ram is by the fuel tank overcoat, the elevating ram cylinder barrel, piston rod and piston are formed, piston rod top is equipped with and operator's compartment bonded assembly suspension ring, the elevating ram cylinder barrel is connected with the lifting body by screw thread, piston rod is connected with piston with cylinder barrel version, elevating ram cylinder barrel bottom does not contain follow-up mechanism, between elevating ram cylinder barrel and the fuel tank overcoat hydraulic oil is housed, fuel tank overcoat and lifting body free-running fit are by O type ring radial seal; Clamp nut is fastened on the elevating ram cylinder barrel on the lifting body together with the fuel tank overcoat by the screw thread on elevating ram cylinder barrel top; Elevating ram cylinder barrel, piston and suspension ring become one and are installed on the lifting body; The left side of ear seat and upper surface and lifting body link into an integrated entity.
3. integral type driver's cab turnover according to claim 2 is characterized in that with electronic and hand-hydraulic lifting machine: the steering unit that rotates change-over valve at described two four-ways adopts closely manual control mode or manually Long-distance Control mode or remote electrically controlled manipulation; Described remote electrically controlled manipulation controls the commutation of described rotation change-over valve for the push button form or the remote control form is controlled described rotation change-over valve commutation, drive described rotation change-over valve Rotation With Changing to used be coaxial reducer motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710055922A CN101100200B (en) | 2007-08-02 | 2007-08-02 | Entirety type electric and manual hydraulic lifter for overturning driving cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710055922A CN101100200B (en) | 2007-08-02 | 2007-08-02 | Entirety type electric and manual hydraulic lifter for overturning driving cab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101100200A CN101100200A (en) | 2008-01-09 |
| CN101100200B true CN101100200B (en) | 2010-05-19 |
Family
ID=39034706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710055922A Expired - Fee Related CN101100200B (en) | 2007-08-02 | 2007-08-02 | Entirety type electric and manual hydraulic lifter for overturning driving cab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101100200B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865101A (en) * | 2010-07-15 | 2010-10-20 | 哈尔滨工业大学（威海） | Inclined-axis rotation type axial plunger pump |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0900647B1 (en) * | 2009-03-10 | 2020-12-22 | Rafael Venancio Dias | hydro-pneumatic force multiplier with forward and return operation |
| CN102011760A (en) * | 2010-12-08 | 2011-04-13 | 成都金海液压机具制造有限责任公司 | Novel integrated in-series multitandem valve assembly |
| CN102182717A (en) * | 2011-04-27 | 2011-09-14 | 南车四方车辆有限公司 | Hydraulic system and rail-road vehicle |
| CN103807246A (en) * | 2014-01-24 | 2014-05-21 | 大连液压件有限公司 | Automobile cab follow-up lifting cylinder |
| CN104210408A (en) * | 2014-09-05 | 2014-12-17 | 刘永祯 | Combined hydraulic lifting machine |
| DE102015201884B4 (en) * | 2015-02-04 | 2023-07-27 | Schaeffler Technologies AG & Co. KG | Fluidic actuator assembly |
| CN104925146B (en) * | 2015-04-01 | 2017-12-29 | 安徽德鸿机件制造有限公司 | A kind of cab of heavy truck overturns integral electric hydraulic pump cylinder |
| CN104960584A (en) * | 2015-07-10 | 2015-10-07 | 实用动力(中国)工业有限公司 | Integrated hydraulic cab tilting power unit for heavy-load truck |
| CN107738698A (en) * | 2017-11-07 | 2018-02-27 | 中国重汽集团南充海乐机械有限公司 | A kind of durable in use, lightweight hydraulic lifting system |
| CN108649450A (en) * | 2018-06-19 | 2018-10-12 | 徐州卓纳科技服务有限公司 | A kind of transformer tank device of rain-proof dust-proof in for transformer |
| CN109278878B (en) * | 2018-11-27 | 2020-07-24 | 安徽江淮汽车集团股份有限公司 | Cab turnover control system and cab |
| CN109302008A (en) * | 2018-11-28 | 2019-02-01 | 新乡市豫新起重机械有限公司 | A kind of large-scale generator rotor docking intelligent carriage pedestal |
| CN112319630A (en) * | 2020-11-03 | 2021-02-05 | 北奔重型汽车集团有限公司 | Remote control tipping device for truck cab |
| CN113666315B (en) * | 2021-08-23 | 2023-05-23 | 东风柳州汽车有限公司 | Cab turnover device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5839278A (en) * | 1996-02-27 | 1998-11-24 | Applied Power Inc. | Electrohydraulic tilting device for a vehicle with a tilting cab |
| CN2637287Y (en) * | 2003-07-19 | 2004-09-01 | 东风汽车公司设备制造厂分公司 | Oil pump unit assemblage of driving chamber hydraulic tilting mechanism |
| CN1709760A (en) * | 2005-06-07 | 2005-12-21 | 金建平 | Electric/manual lifting device for driver's cab turnover |
| CN2792906Y (en) * | 2005-05-18 | 2006-07-05 | 襄樊群龙汽车部件有限公司 | Semi-automatic and rear-suspended locker of vehicle body |
| CN2806269Y (en) * | 2005-06-07 | 2006-08-16 | 金建平 | Lifting device for turnover of driving cab |
| CN1970372A (en) * | 2006-11-28 | 2007-05-30 | 金建平 | Integral type manual hydraulic lifting device for driving cabin turn-over |
-
2007
- 2007-08-02 CN CN200710055922A patent/CN101100200B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5839278A (en) * | 1996-02-27 | 1998-11-24 | Applied Power Inc. | Electrohydraulic tilting device for a vehicle with a tilting cab |
| CN2637287Y (en) * | 2003-07-19 | 2004-09-01 | 东风汽车公司设备制造厂分公司 | Oil pump unit assemblage of driving chamber hydraulic tilting mechanism |
| CN2792906Y (en) * | 2005-05-18 | 2006-07-05 | 襄樊群龙汽车部件有限公司 | Semi-automatic and rear-suspended locker of vehicle body |
| CN1709760A (en) * | 2005-06-07 | 2005-12-21 | 金建平 | Electric/manual lifting device for driver's cab turnover |
| CN2806269Y (en) * | 2005-06-07 | 2006-08-16 | 金建平 | Lifting device for turnover of driving cab |
| CN1970372A (en) * | 2006-11-28 | 2007-05-30 | 金建平 | Integral type manual hydraulic lifting device for driving cabin turn-over |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865101A (en) * | 2010-07-15 | 2010-10-20 | 哈尔滨工业大学（威海） | Inclined-axis rotation type axial plunger pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101100200A (en) | 2008-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101100200B (en) | Entirety type electric and manual hydraulic lifter for overturning driving cab | |
| CN201057181Y (en) | Balancing brake valve | |
| CN2806269Y (en) | Lifting device for turnover of driving cab | |
| US9981688B2 (en) | Steering system and independent suspension wheel-type heavy vehicle | |
| CN109052238A (en) | A kind of fluid power system of fork truck | |
| CN106240627A (en) | Independent steering bridge and assembly, independent steering system and automobile | |
| CN103950870A (en) | Forklift hydraulic system with energy recovery and double-pump oil supply functions | |
| CN1970372A (en) | Integral type manual hydraulic lifting device for driving cabin turn-over | |
| CN1142085C (en) | Fully-hydraulic electric fork truck | |
| CN109372819A (en) | Rotary drilling rig hydraulic system and rotary drilling rig | |
| CN102616705A (en) | Energy-saving forklift hydraulic system with energy recovery function | |
| CN102785694B (en) | Hydraulic system for controlling vehicle to realize two-way travelling | |
| CN110864019A (en) | Digital hydraulic leveling system of working platform of overhead working truck | |
| CN102874309B (en) | Hoisting crane and steering swivel system thereof and rocking arm | |
| CN211231059U (en) | Digital hydraulic leveling system of working platform of overhead working truck | |
| US20230182808A1 (en) | Hydraulic steering system and traveling crane | |
| CN2789071Y (en) | Double-side dumping wagon side lifting device for dump truck | |
| CN109185246B (en) | Hydraulic control system and aerial work platform truck | |
| EP2008907B1 (en) | Integrated lift cylinder | |
| CN111442008A (en) | Differential balance valve for controlling extending arm of high-altitude operation vehicle | |
| CN202789810U (en) | Multi-functional valve for full hydraulic double-drumsteel wheel road roller | |
| CN202669477U (en) | Multi-pump driving closed type hydraulic loop of multi-axis self-traveling type hydraulic heavy duty truck | |
| CN219827308U (en) | Hydraulic overturning device and engineering machinery | |
| CN111646368A (en) | Overturning flexible shaft operating device for crane | |
| CN105109332B (en) | Hydraulic traveling system automobile |
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: 20100519 Termination date: 20150802 |
|
| EXPY | Termination of patent right or utility model |