Summary of the invention
In view of this, the present invention proposes a kind of anti-dynamic friction system of elevator clutch and dynamic compaction machinery.
On the one hand, the present invention provides a kind of anti-dynamic friction systems of elevator clutch, including elevator, controller, engine
Revolving speed driver, elevator handle, are equipped with elevator clutch on elevator, elevator handle for manipulate the engagement of elevator clutch with
Separation, controller acquire actual engine speed by engine speed driver in real time, and engine is preset in controller and is turned
Fast threshold values, when actual engine speed is lower than engine speed threshold values in controller, elevator handle could manipulate elevator from
Clutch engagement.
Further, including hydraulic pump, the first reversal valve, elevator handle, control valve;Elevator clutch includes elevator clutch
Device oil cylinder, the hydraulic oil of hydraulic pump output is through the first reversal valve to elevator clutch oil cylinder, the pilot pressure of elevator handle output
Oil is through control valve to the control port of the first reversal valve;When actual engine speed is more than the engine speed threshold values in controller
When, controller control control valve obtains electric, the control port disconnection of the pilot pressure oil for exporting elevator handle to the first reversal valve,
Elevator clutch separation;When actual engine speed is lower than the engine speed threshold values in controller, controller control control
The control port of valve power loss, pilot pressure oil to the first reversal valve of the output of elevator handle makes the first reversal valve commutate, hydraulic pump
The hydraulic oil of output engages elevator clutch through the first reversal valve to elevator clutch oil cylinder.
Further, including hydraulic pump, the first reversal valve, elevator handle, control valve;Elevator clutch includes elevator clutch
Device oil cylinder, the hydraulic oil of hydraulic pump output is through the first reversal valve, control valve to elevator clutch oil cylinder, the elder generation of elevator handle output
Lead the control port of pressure oil to the first reversal valve;When actual engine speed is more than the engine speed threshold values in controller
When, controller control control valve obtains electric, the hydraulic oil for exporting hydraulic pump to the oil circuit disconnection between elevator clutch oil cylinder, volume
Raise clutch separation;When actual engine speed is lower than the engine speed threshold values in controller, controller controls control valve
The control port of power loss, pilot pressure oil to the first reversal valve of the output of elevator handle makes the first reversal valve commutate, and hydraulic pump is defeated
Hydraulic oil out to elevator clutch oil cylinder engages elevator clutch.
Further, elevator includes reel, rotary shaft, driving gear, brake fluid pressure oil cylinder, arrestment mechanism;Reel can revolve
On the rotary shaft, driving gear and rotation axis connection, elevator clutch oil cylinder are mounted on driving gear, sliding tooth for the installation turned
Wheel is connected with elevator clutch, and elevator clutch oil cylinder driving elevator clutch makes that gear is driven to engage and separate with reel;
Brake fluid pressure oil cylinder driving arrestment mechanism brakes reel.
Further, including check valve and hydraulic energy storage device, check valve and hydraulic energy storage device are connected to hydraulic pump to first
In oil circuit between reversal valve.
In addition, the present invention also provides a kind of dynamic compaction machinery, including the above-mentioned anti-dynamic friction system of elevator clutch;Including hair
The power of motivation, fluid torque-converter, engine passes to elevator by fluid torque-converter.
Further, including transfer case, gearbox, transmission case, reduction gearbox;Power a part of engine passes through transfer case
Fluid torque-converter is passed to, another part passes to hydraulic pump by transfer case;The output power of fluid torque-converter passes through speed change
Case passes to transmission case, and the output power of transmission case drives elevator rotation by reduction gearbox;The output shaft of engine is along the x axis
Arrangement, the rotary shaft of elevator arrange that engine, transfer case, fluid torque-converter, gearbox, transmission case are along X-axis side along the y axis
To the left or right side for being arranged in elevator and reduction gearbox;The input shaft of transmission case arranges along the x axis, the output shaft edge of transmission case
Y direction arrangement;Engine, transfer case, fluid torque-converter, gearbox, transmission case, reduction gearbox, elevator are mutually indepedent unit.
Further, including the first transmission shaft and second driving shaft, the first transmission shaft X-direction arrangement, fluid torque-converter
It is connect by the first transmission shaft with gearbox;Second driving shaft Y direction arrangement, transmission case pass through second driving shaft and reduction gearbox
Connection;
Transfer case is included in transfer case input shaft, transfer-case idle shaft, transfer case output shaft, installs on transfer case input shaft
There is transfer case master gear, transfer case intermediate gear is installed on transfer-case idle shaft, transfer case is installed on transfer case output shaft
Driven gear;Transfer case master gear is engaged with transfer case intermediate gear, and transfer case intermediate gear is engaged with transfer case driven gear;
Hydraulic pump and transfer case export axis connection;Transfer case input shaft both ends are connect with engine and fluid torque-converter respectively.
Further, gearbox includes gearbox input gear, gearbox output gear, left deceleration intermediate gear group, the right side
Deceleration intermediate gear group, speed change box clutch;Left deceleration intermediate gear group and right deceleration intermediate gear group include coaxially connected
Two intermediate gears of upper and lower level, there are teeth number differences for two intermediate gears of upper and lower level;The output power of fluid torque-converter passes to change
Fast case input gear axle, gearbox output gear shaft are connect with transmission case;Speed change box clutch be located at gearbox input gear with
Between gearbox output gear, gearbox input gear axle is made to separate or engage with gearbox output gear shaft;Gearbox input
Gear is often engaged with the upper layer intermediate gear of left deceleration intermediate gear group and right deceleration intermediate gear group, gearbox output gear with
Lower layer's intermediate gear of left deceleration intermediate gear group and right deceleration intermediate gear group often engages.
Further, transmission case includes two X-axis bevel gears being arranged symmetrically along the x axis and symmetrical cloth along the y axis
The two Y-axis bevel gears set, each X-axis bevel gear often engage with symmetrical two Y-axis bevel gears respectively, each Y-axis bevel gear point
It is not often engaged with symmetrical two X-axis bevel gears;Reduction gear component is installed in reduction gearbox, reduction gear component includes slowing down
Case input gear, reduction gearbox output gear, reduction gearbox intermediate gear, reduction gearbox output gear coaxially connect with reduction gearbox intermediate gear
It connects, the power of transmission case passes to reduction gearbox input gear, and reduction gearbox input gear is often engaged with reduction gearbox intermediate gear;Slow down
Case output gear is often engaged with the driving gear of elevator.
The anti-dynamic friction system of a kind of elevator clutch of the invention and dynamic compaction machinery beneficial effect are: protecting elevator clutch
Device extends elevator clutch service life, improves elevator clutch safety in utilization.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the present invention provides a kind of anti-dynamic friction system of elevator clutch of first embodiment, including elevator
10, controller, engine speed driver, elevator handle 18 are equipped with elevator clutch 104, elevator handle on elevator 10
18 engage and separate for manipulating elevator clutch 104, and controller acquires engine reality by engine speed driver in real time
Border revolving speed is preset with engine speed threshold values in controller, when actual engine speed is lower than the engine speed in controller
When threshold values, elevator handle 18 could manipulate the engagement of elevator clutch 104.Engine speed threshold values is traditionally arranged to be engine idling
Revolving speed.
As shown in Figure 1, including hydraulic pump 3, the first reversal valve 16, elevator handle 18, control valve 17, check valve 14, hydraulic
Accumulator 15;Elevator clutch 104 includes elevator clutch oil cylinder 107, and the hydraulic oil that hydraulic pump 3 exports is through the first reversal valve
16 are connected between 3 to the first reversal valve 16 of hydraulic pump to elevator clutch oil cylinder 107, check valve 14 and hydraulic energy storage device 15
In oil circuit, overflow valve 19 is also connected in the output circuit of hydraulic pump 3.The pilot pressure oil that elevator handle 18 exports is through controlling
The control port of 17 to the first reversal valve 16 of valve.Control valve 17 can be solenoid directional control valve and be also possible to electromagnetism on-off valve.
Elevator 10 includes reel 100, rotary shaft 101, driving gear 102, brake fluid pressure oil cylinder 105, arrestment mechanism 103;
Reel 100 is rotatably mounted in rotary shaft 101, and driving gear 102 is connect with rotary shaft 101, elevator clutch oil cylinder
107 are mounted on driving gear 102, and driving gear 102 is connected with elevator clutch 104, and elevator clutch oil cylinder 107 drives
Elevator clutch 104 makes that gear 102 is driven to engage and separate with reel 100;Brake fluid pressure oil cylinder 105 drives arrestment mechanism 103
Brake reel (100).
After engine start, hydraulic pump 3 rotates, when the first reversal valve 16 is in left position, the pressure of the output of hydraulic pump 3
Power oil by check valve 14 to 15 fuel feeding of hydraulic energy storage device, it is hydraulic when the output pressure of hydraulic pump 3 reaches overflow valve preset value
The pressure oil of 3 output of pump flows back to fuel tank by overflow valve.
When actual engine speed is more than the engine speed threshold values in controller, controller controls control valve 17 and obtains
Electricity, control valve 17 are in left position.At this moment, operator manipulates elevator handle 18 and acts, the first pilot that elevator handle 18 exports
The control port of power oil to the first reversal valve 16 disconnects, and the first reversal valve 16 can not be made to commutate, and the first reversal valve 16 is in left position,
The hydraulic oil that hydraulic pump 3 exports cannot pass through the first reversal valve 16 to elevator clutch oil cylinder 107, and elevator clutch 104 separates,
Driving gear 102 is separated with reel 100.
When actual engine speed is lower than the engine speed threshold values in controller, controller controls control valve 17 and loses
Electricity, control valve 17 are in right position.At this moment, operator manipulates elevator handle 18 and acts, the first pilot that elevator handle 18 exports
The control port of power oil to the first reversal valve 16 makes the first reversal valve 16 commutate, and the first reversal valve 16 is in right position, and hydraulic pump 3 is defeated
By the first reversal valve 16 to elevator clutch oil cylinder 107, elevator clutch 104 engages hydraulic oil out, driving gear 102 with
Reel 100 engages.
As shown in Fig. 2, a kind of anti-dynamic friction system of elevator clutch of second embodiment provided by the invention, second implements
Example, which is different from the first embodiment, to be: the oil between the first reversal valve 16 and elevator clutch oil cylinder 107 is arranged in control valve 17
Lu Zhong.
When actual engine speed is more than the engine speed threshold values in controller, controller controls control valve 17 and obtains
Electricity, control valve 17 are in left position.At this moment, the oil circuit between the first reversal valve 16 and elevator clutch oil cylinder 107 disconnects, behaviour
Make personnel and manipulate the movement of elevator handle 18, the control port of pilot pressure oil to the first reversal valve 16 that elevator handle 18 exports makes
The commutation of first reversal valve 16, the first reversal valve 16 are in right position, and since control valve 17 is in left position, hydraulic pump 3 is exported hydraulic
Oil cannot pass through control valve 17 to elevator clutch oil cylinder 107, and elevator clutch 104 separates, driving gear 102 and reel 100
Separation.
When actual engine speed is lower than the engine speed threshold values in controller, controller controls control valve 17 and loses
Electricity, control valve 17 are in right position.At this moment, operator manipulates elevator handle 18 and acts, the first pilot that elevator handle 18 exports
The control port of power oil to the first reversal valve 16 makes the first reversal valve 16 commutate, and the first reversal valve 16 is in right position, and hydraulic pump 3 is defeated
Hydraulic oil out passes through the first reversal valve 16, control valve 17 to elevator clutch oil cylinder 107, and elevator clutch 104 engages, and drives
Moving gear 102 is engaged with reel 100.
As shown in figure 3, a kind of elevator slipping of clutch alarm system provided by the invention, including controller, the first revolving speed
Sensor, the second speed probe, alarm;First speed transmission sensor detection driving 102 revolving speed of gear, second passes speed sensing
Device detects 100 revolving speed of reel;When elevator clutch 104 is in engagement state, controller obtains the first speed probe and the
Two signals of rotational speed sensor judge the rotational speed difference for driving gear 102 and reel 100, when rotational speed difference reaches preset value, controller
Alarm signal is issued to alarm.
It include third in first scheme to judge the engagement of elevator clutch 104 and discrete state, including two schemes
Sensor, 3rd sensor detect 18 position signal of elevator handle, and controller obtains 3rd sensor signal and judges elevator clutch
The engagement of device 104 or discrete state.It in the second scenario include 3rd sensor, 3rd sensor detects elevator clutch oil cylinder
107 oil feeding line oil pressure value.In the first embodiment of Fig. 1,3rd sensor is mounted on elevator clutch oil cylinder 107 to
In oil feeding line between one reversal valve 16.In the second embodiment of Fig. 2,3rd sensor is mounted on elevator clutch oil cylinder
107 into the oil feeding line between control valve 17.Controller obtains 3rd sensor signal and judges that elevator clutch 104 engages
Or discrete state.
As shown in Figure 1, the present invention also provides a kind of dynamic compaction machinery, including engine 1, fluid torque-converter 4, elevator 10, hair
The power of motivation 1 passes to elevator 10 by fluid torque-converter 4.
For as it is known by the man skilled in the art that fluid torque-converter 4 using liquid as a kind of non-rigid torque of working media
Converter is one of form of hydraulic power.Fluid torque-converter 4 has a closed working chamber, and liquid is flowed in cavity circulation,
Middle pump impeller, turbine and guide wheel are connected with input shaft, output shaft and shell respectively.Engine 1 with driven input shaft rotate when, liquid from
The outflow of centrifugal pump wheel, returns again to pump impeller sequentially through turbine, guide wheel, circulates again and again.Pump impeller is by input shaft
Mechanical energy passes to liquid.High-speed liquid pushes turbine rotation, and energy is transmitted to output shaft.Fluid torque-converter 4 leans on liquid and leaf
Piece interaction generates the variation of the moment of momentum to transmit torque.Fluid torque-converter 4 is different from being mainly characterized by for fluid coupling
It has fixed guide wheel.Guide wheel makes the output torque of fluid torque-converter 4 that can be higher or lower than input the guide functions of liquid
Torque, thus referred to as torque-converters.The ratio of output torque and input torque claims torque ratio, and zero-speed when output revolving speed is zero becomes
Moment coefficient normally about 2~6.Torque ratio declines with the rising of output revolving speed.The input shaft and output between centers of fluid torque-converter 4
Without rigid attachment between liquid communication, working component.The characteristics of fluid torque-converter 4, is: can eliminate shock and vibration, overload is protected
It protects performance and starting performance is good;The revolving speed of output shaft can be more than or less than the revolving speed of input shaft, and the rotational speed difference of two axis is turned round with transmitting
The size of square and it is different;There is good fluid drive performance, output revolving speed declines automatically when load increases, otherwise automatic rising;
Guarantee that engine 1 has stable workspace, the transient changing of load will not reflect on engine 1 substantially.Fluid torque-converter 4 exists
Nearby efficiency is higher for declared working condition, and peak efficiency is 85%~92%.
Therefore, fluid torque-converter 4 is applied in the transmission system of dynamic compaction machinery by the present invention, and driving elevator 10 rotates, can be with
Dynamic consolidation construction reliability and stability are improved, can satisfy high-intensitive dynamic consolidation construction requirement.
In addition, further including delivery pump 11 and radiator 12, engine 1 drives delivery pump 11 to rotate, fluid torque-converter 4 into
Hydraulic fluid port connect by in-line B with the oil outlet of delivery pump 11, the oil outlet of fluid torque-converter 4 pass through oil return line A respectively with it is scattered
The oil inlet of hot device 12 is connected, and the oil outlet of radiator 12 is connected with the oil inlet of delivery pump 11.Delivery pump 11 and heat dissipation
Pressure cooling system is constituted between device 12 and fluid torque-converter 4.
It further include transfer case 2, the first transmission shaft 5, gearbox 6, the biography of transmission case 7, second in further technical solution
Moving axis 8, reduction gearbox 9;Engine 1, transfer case 2, fluid torque-converter 4, the first transmission shaft 5, gearbox 6, transmission case 7 are along X-axis side
To the right side for being arranged in elevator 10 and reduction gearbox 9.As shown in Fig. 2, engine 1, transfer case 2, fluid torque-converter 4, first are driven
Axis 5, gearbox 6, transmission case 7 are arranged in the left side of elevator 10 and reduction gearbox 9 along the x axis.
Second driving shaft 8Y axis direction arranges that the output shaft of engine 1 is arranged along the x axis, the rotary shaft of elevator 10
101 arrange along the y axis, and the input shaft of transmission case 7 is arranged along the x axis, and the output shaft of transmission case 7 is arranged along the y axis;
Engine 1, transfer case 2, fluid torque-converter 4, the first transmission shaft 5, gearbox 6, transmission case 7, second driving shaft 8, reduction gearbox 9,
Elevator 10 is mutually indepedent unit, and each unit can individually remove replacement.
Power a part of engine 1 passes to fluid torque-converter 4 by transfer case 2, and another part is passed by transfer case 2
Pass hydraulic pump 3;The output power of fluid torque-converter 4 passes to transmission case 7, transmission case by the first transmission shaft 5, gearbox 6
7 output power drives elevator 10 to rotate by second driving shaft 8, reduction gearbox 9.10 power transmission line of elevator: engine
1-2-fluid torque-converter of transfer case the 4-the first transmission shaft 5-gearbox, 6-transmission case, 7-reduction gearbox, 9-elevator 10.It is hydraulic
Pump 3 transfer routes: 1-transfer case of engine, 2-hydraulic pump 3.Two power transmission lines are mutually indepedent, non-interference.The biography
Advantage is dynamic route arrangement compared with prior art: the power of hydraulic pump 3 does not pass through fluid torque-converter 4, improves transmission effect
Rate.When hydraulic pump 3 and elevator 10 work at the same time, 1 intermittent driving elevator of engine, 10 turn generates torque ripple, can be by liquid
Power torque-converters 4 absorbs.Hydraulic drive and machine driving are non-interference, and the fluctuation of dynamic compaction machinery hydraulic system pressure is small, dynamic compaction machinery work
Reliability and stability are high.
The present invention separates each functional module, separate unit is formed, using the modularized design, so that transmission arrangements
It is compact, it is convenient to install and maintain, operating platform space is saved, to reduce operating platform width.In addition each separate unit is located at behaviour
The two sides for making platform, can be convenient replacement and maintenance activity.
Transfer case 2 is included in transfer case input shaft, transfer-case idle shaft, transfer case output shaft, transfer case as shown in Figure 1:
Transfer case master gear 20 is installed on input shaft, transfer case intermediate gear 21, transfer case output are installed on transfer-case idle shaft
Transfer case driven gear 22 is installed on axis;Transfer case master gear 20 is engaged with transfer case intermediate gear 21, transfer case center tooth
Wheel 21 is engaged with transfer case driven gear 22;Hydraulic pump 3 and transfer case export axis connection;Transfer case input shaft both ends respectively with
Engine 1 and fluid torque-converter 4 connect.A part of power of engine 1 is hydraulic by passing to after transfer case deceleration torque increase
Another part power of pump 3, engine 1 is directly passed to fluid torque-converter 4 by transfer case 2, and transmission ratio at this time is 1:1.
Engine 1 and transfer case 2 are rigidly connected by flange, and transfer case 2 is connect with fluid torque-converter 4 using yielding coupling.
Gearbox 6 subtracts including gearbox input gear 60, gearbox output gear 61, left deceleration intermediate gear group 62, the right side
Fast intermediate gear group 64, speed change box clutch 63;Left deceleration intermediate gear group 62 and right deceleration intermediate gear group 64 include coaxial
Two intermediate gears of upper and lower level of connection, there are teeth number differences for two intermediate gears of upper and lower level;Fluid torque-converter 4 passes through the first transmission
Axis 5 and 60 axis connection of gearbox input gear, 61 axis of gearbox output gear are connect with transmission case 7, are all made of bullet between them
Property shaft coupling is connected.Speed change box clutch 63 makes to become between gearbox input gear 60 and gearbox output gear 61
Fast 60 axis of case input gear is separated or is engaged with 61 axis of gearbox output gear;Among gearbox input gear 60 and left deceleration
Gear set 62 and the upper layer intermediate gear of right deceleration intermediate gear group 64 often engage, in gearbox output gear 61 and left deceleration
Between gear set 62 and lower layer's intermediate gear of right deceleration intermediate gear group 64 often engage.
When speed change box clutch 63 engages, 60 axis of gearbox input gear and 61 axis connection of gearbox output gear, this
When transmission ratio be 1:1.When speed change box clutch 63 separates, power transmission line is: gearbox input gear 60-left deceleration
Intermediate gear group 62 and right deceleration intermediate gear 64-gearbox of group output gear 61 realize the transmission of deceleration torque increase.
Transmission case 7 includes two X-axis bevel gears 70 being arranged symmetrically along the x axis and be arranged symmetrically along the y axis two
A Y-axis bevel gear 71, each X-axis bevel gear 70 often engage with symmetrical two Y-axis bevel gears 71 respectively, each Y-axis bevel gear 71
It is often engaged with symmetrical two X-axis bevel gears 70 respectively.The company of being mounted on each 70 axis of X shaft bevel gears and 71 axis of Y-axis bevel gear
Acting flange.
It is provided with flange in four orientation of transmission case 7, therefore, engine 1, transfer case 2, fluid torque-converter 4, speed change
Case 6, transmission case 7 can be arranged in the left side of operating platform, can also be arranged in the right side of operating platform, be adapted to different
Operating platform arrangement form.As shown in Fig. 2, second driving shaft 8 is connect with the right flange of transmission case 7.
Reduction gear component is installed in reduction gearbox 9, reduction gear component includes reduction gearbox input gear 90, reduction gearbox
Output gear 92, reduction gearbox intermediate gear 91, reduction gearbox output gear 92 and reduction gearbox intermediate gear 91 are coaxially connected, transmission case
7 power passes to reduction gearbox input gear 90, and reduction gearbox input gear 90 is often engaged with reduction gearbox intermediate gear 91;Slow down
Case output gear 92 is often engaged with the driving gear 102 of elevator 10.
Technology not described above is the common knowledge of those skilled in the art.The foregoing is merely preferable realities of the invention
Example is applied, is not intended to limit the invention, all within the spirits and principles of the present invention, made any modification is equally replaced
It changes, improve, should all be included in the protection scope of the present invention.