CN107364334B - Automatic power taking open method and device - Google Patents
Automatic power taking open method and device Download PDFInfo
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- CN107364334B CN107364334B CN201710602222.4A CN201710602222A CN107364334B CN 107364334 B CN107364334 B CN 107364334B CN 201710602222 A CN201710602222 A CN 201710602222A CN 107364334 B CN107364334 B CN 107364334B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The present invention provides a kind of automatic power taking open method and devices, are related to crane operation field.When need to carry out a crane power taking get on the bus operation when, user only needs input automatic running instruction, and then automatic power taking opening device receives the running state parameter that a running state detecting device is sent；Detect whether a crane is in prepared power taking operating status according to the running state parameter again；If the crane is in controlling when preparing power taking operating status, a transfer case moves back neutral gear, a power takeoff is opened and a gearbox hangs and takes power gear；It finally controls an engine and is switched to by operating status of getting off and get on the bus operating status and a clutch is in bonding state, to realize " a key power taking is opened ", operating process is simple, saves a large amount of time cost and cost of labor, improves the operating experience sense of user.
Description
Technical field
The present invention relates to crane operation fields, in particular to a kind of automatic power taking open method and device.
Background technique
Crane refers to more movement hoisting machineries of vertical-lift in a certain range and horizontal carrying heavy goods, also known as day
Vehicle, hanging, crane.The work characteristics that lifting equipment has is to do intermittent exercise, i.e., in a working cycles feeding, migration,
The corresponding mechanism of the movements such as unloading is to work alternatively, and crane develops in the market and using more and more extensive.Wherein, it rises
Heavy-duty machine includes the full Terrain Cranes, and all terrain crane is a kind of high-performance for having autocrane and rough-terrain crane feature concurrently
Product.It fast transfer, long range can travel and meet narrow and rugged and rough or muddy as autocrane
The requirement of operation on place, i.e. travel speed is fast, and more bridge drivings, all-wheel steering, three kinds of steering modes, the road clearance is big, climbing
Ability is high, can the walking of crab shape, be a kind of extremely promising product.
It is centralized driving formula crane that full ground type crane in the prior art, which includes a kind of, i.e., with a motor band
The adhesion wheel on long transmission shaft driving both sides is moved, power needs are transmitted to from lower car engine gets on the bus, and has used automatic gear-box
And the transmission system of transfer case, control system is complicated, needs the state at the artificial each position for detecting crane one by one, ability
Realize that crane runs power taking, operating process is complicated, needs to waste a large amount of time cost and human cost, user's operation experience
It is poor to feel.
Summary of the invention
The purpose of the present invention is to provide a kind of automatic power taking open method and devices, are intended to improve above-mentioned problem.
The present invention provides a kind of technical solution:
In a first aspect, the embodiment of the invention provides a kind of automatic power taking open method, the automatic power taking open method
Include:
The automatic running instruction of MIM message input module transmission is received, and receives what a running state detecting device was sent
Running state parameter；
Detect whether a crane is in prepared power taking operating status according to the running state parameter；
If the crane is in preparation power taking operating status, controls a transfer case and move back neutral gear, power takeoff unlatching
And one gearbox hang and take power gear；
An engine is controlled again switch to get on the bus operating status and a clutch by operating status of getting off and be in combine shape
State.
Second aspect, the present invention also provides a kind of automatic power taking opening device, the automatic power taking opening device includes:
MIM message input module, for obtaining the automatic running instruction of user's input；
Running state detecting device, for detecting the running state parameter of a crane；
Control module, respectively with the MIM message input module, the running state detecting device, a transfer case, a power taking
Device, a gearbox, an engine and clutch electrical connection, for receiving the automatic of the MIM message input module transmission
After operating instruction, the running state parameter that the running state detecting device is sent is received；And according to the running state parameter
Detect whether the crane is in prepared power taking operating status；If the crane is in preparation power taking operating status,
Control the transfer case move back neutral gear, the power takeoff open and the gearbox hang and take power gear；The engine is controlled again
It is switched to by operating status of getting off and gets on the bus operating status and the clutch is in bonding state.
The beneficial effect of automatic power taking open method and device provided by the invention is: when needing to take to a crane
Power unlatching get on the bus operation when, user only needs input automatic running instruction, and then automatic power taking opening device receives an operating status
The running state parameter that detection device is sent；Detect whether a crane is in prepared power taking according to the running state parameter again
Operating status；If the crane is in preparation power taking operating status, controls a transfer case and move back neutral gear, power takeoff unlatching
And one gearbox hang and take power gear；It finally controls an engine and get on the bus operating status and one is switched to by operating status of getting off
Clutch is in bonding state, to realize " a key power taking is opened ", operating process is simple, saves a large amount of time cost and people
Work cost improves the operating experience sense of user.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the flow chart of automatic power taking open method provided in an embodiment of the present invention；
Fig. 2 is the specific flow chart of step S103 provided in an embodiment of the present invention；
Fig. 3 is the specific flow chart of step S108 provided in an embodiment of the present invention；
Fig. 4 is the circuit connection block diagram of this automatic power taking opening device provided in an embodiment of the present invention；
Fig. 5 is the circuit structure block diagram of this running state detecting device provided in an embodiment of the present invention.
Icon: 101- MIM message input module；102- control module；103- running state detecting device；104- transfer case；
105- clutch；106- engine；107- gearbox；108- power takeoff；The first speed probe of 109-；The second revolving speed of 110- passes
Sensor；The first inductive switch of 111-；The second inductive switch of 112-；113- third speed probe.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put or those skilled in the art orientation or position that usually understand
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the equipment of indication or suggestion meaning or element are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment
Referring to Fig. 1, the embodiment of the invention provides a kind of automatic power taking open method, applied to being installed on a crane
Control module 102, wherein control module 102 is installed on electronic control unit, (Electronic Control Unit,
ECU), i.e. " car running computer ", " vehicle-mounted computer " etc..ECU is connect by control module 102, memory (ROM, RAM), input/output
The large scale integrated circuits composition such as mouthful (I/O), analog-digital converter (A/D) and shaping, driving.The automatic power taking open method
Include:
Step S101: the automatic running instruction that a MIM message input module 101 is sent is received, and receives operating status inspection
Survey the running state parameter that device 103 is sent.
Wherein, operating personnel can be automatic in the touch screen or trigger button input that the console of the driver's cabin of crane is installed
Automatic running instruction is sent to control module 102 by operating instruction, touch screen or trigger button, and control module 102 connects at this time
Receive the running state parameter that running state detecting device 103 is sent.In the present embodiment, the running state detecting device 103 is wrapped
Include but be not limited to the first speed probe 109, the second speed probe 110, the first inductive switch 111 and the second inductive switch
112, the control module 102 and the first speed probe 109, the second speed probe 110, the first inductive switch 111 and
Second inductive switch 112 is electrically connected.The specific implementation of step S101 can be with are as follows: receives the first speed probe 109 hair
The parking brake opening and closing letter of speed, the transmission of the first inductive switch 111 that 106 revolving speed of engine, the second speed probe 110 sent is sent
Number and the second inductive switch 112 send the gearbox 107 gear signal.
Step S102: detect whether a crane is in prepared power taking operating status according to the running state parameter, such as
Fruit is to then follow the steps S103, if not, thening follow the steps S104.
Stationary state necessarily is in when being in initial operating state in view of crane, therefore the travel speed of crane must
It must be 0, and parking brake necessarily is in closed state, gearbox 107 must move back neutral gear, and engine 106 is in initial launch shape
State, the i.e. revolving speed of engine 106 should be in the presetting ranges of speeds.Therefore, the running state parameter may include institute
State the revolving speed of engine 106, the travel speed of the crane, the open/close states of parking brake, gearbox 107 operating status and
The operating status of transfer case 104.Specifically, the revolving speed of the engine 106 is detected whether in the presetting range of speeds, institute
Whether the travel speed for stating crane is 0, whether the parking brake is closed and whether the gearbox 107 is in neutral position state,
If the revolving speed of the engine 106 is in the presetting range of speeds, the travel speed of the crane is at the 0, parking brake
When closed state and the gearbox 107 are in neutral position state, determine that the crane is in preparation power taking operating status.
In the present embodiment, it should be noted that normally, when crane is in initial operating state, engine 106 turns
Speed is 600rpm, therefore control module 102 detects whether the revolving speed of the engine 106 is 600rpm, of course, according to lifting
Differently specification, the revolving speed of detection engine 106 may be other presetting ranges of speeds to machine, no longer illustrate herein
It is bright.In addition, the core of gearbox 107 is realizing self shifter.So-called self shifter refers to that automobile during traveling, drives
Member is needed to manipulate accelerator pedal (gas pedal) by driving process, and gearbox 107 can be according to 106 load of engine and automobile
Operating condition, change to the work of different gears automatically；Transfer case 104, the dress for being exactly allocated the power of engine 106
It sets, rear axle can be output power to, or be output to front/rear axis simultaneously.
Step S103: one transfer case 104 of control moves back neutral gear, a power takeoff 108 is opened and a gearbox 107 hangs and takes power shelves
Position.
It should be noted that power takeoff 108 (Power Take Off, abridge PTO), is exactly one or more groups of gear teeth
Wheel, also known as power take off, are usually formed by gear-box, clutch 105, controller combination, with 107 low regime clutch of gearbox
Or auxiliary box output shaft connection, output power to external equipment, such as lifting pump.Wherein, as shown in Fig. 2, step S103 has
Body may include:
Step S1031: it controls the transfer case 104 and moves back neutral gear.
Step S1032: the gear signal for the transfer case 104 that a third inductive switch is sent is received.
Step S1033: the gear signal according to the transfer case 104 detects whether the transfer case 104 moves back neutral gear；If
It is to then follow the steps S105；If it is not, then re-executeing the steps S1031.
Step S104: the prompt that crane is not in prepared power taking operating status is generated.
Step S105: it controls the clutch 105 and is in examination bonding state.
Wherein, the examination bonding state is that the input gear of the clutch 105 is engaged with output gear and run default
The fixed time, wherein the presetting time is 2s~4s.It is in examination bonding state by controlling clutch 105 in advance, it can
So that when clutch 105 be easier realize really combine, in conjunction with reliability and have higher success rate, thus realization to clutch
The accurate control that device 105 combines.
Step S106: the tach signal for the transfer case 104 that a third speed probe 113 is sent is received.
Step S107: whether the tach signal for detecting the transfer case 104 is 0 and detects whether to receive the power taking
The unlatching feedback signal that device 108 is sent to, if so, thening follow the steps S108.
Transfer case 104 is verified again whether in moving back neutral position state by step S108, and verifies whether power takeoff 108 is located
In open state, if the revolving speed of transfer case 104 is not 0, transfer case 104 is controlled again and moves back neutral gear, if power takeoff 108 is still
It is so in close state, then generates the prompt that power takeoff 108 can not be opened.
Step S108: an engine 106 is controlled again and switches to get on the bus operating status and a clutch by operating status of getting off
Device 105 is in bonding state.
In the present embodiment, operating status of getting off refers to that crane is in normally travel state, and the revolving speed of engine 106 is pre-
In first range of speeds set (the present embodiment 600rpm), the speed of crane is greater than 0, and throttle supply is throttle of getting on the bus
It opens, operating status of getting on the bus refers to that crane is in and hangs load operating status, and the speed of crane is equal to 0, the revolving speed of engine 106
In the second presetting range of speeds (the present embodiment 650rpm), and throttle supply is throttle unlatching of getting off.Such as Fig. 3 institute
Show, therefore step S108 may include:
Step S1081: it controls in second range of speeds that revolving speed is adjusted to presetting by the engine 106.
Step S1082: detecting the revolving speed of the engine 106 whether in the second presetting range of speeds, if so,
Then execute S1083.
Step S1083: throttle is switched to throttle open state of getting on the bus from throttle open state of getting off.
Step S1084: control clutch 105 is in bonding state.
Referring to Fig. 4, the embodiment of the invention also provides a kind of automatic power taking opening devices, it should be noted that this reality
Apply automatic power taking opening device provided by example, the technical effect of basic principle and generation is identical with above-described embodiment, for letter
It describes, the present embodiment part does not refer to place, can refer to corresponding contents in the above embodiments.Dress is opened in the automatic power taking
It sets including MIM message input module 101, running state detecting device 103, control module 102, transfer case 104, power takeoff 108, become
Fast case 107, engine 106 and clutch 105, MIM message input module 101, running state detecting device 103, transfer case 104,
Power takeoff 108, gearbox 107, engine 106 are electrically connected with control module 102 respectively.
MIM message input module 101 is used to obtain the automatic running instruction of user's input.
Running state detecting device 103 is used to detect the running state parameter of a crane.
Wherein, as shown in figure 5, running state detecting device 103 includes the first speed probe 109, the second revolution speed sensing
Device 110, the first inductive switch 111 and the second inductive switch 112, the control module 102 and the first speed probe 109,
Second speed probe 110, the first inductive switch 111 and the second inductive switch 112 are electrically connected.
Control module 102, after being instructed in the automatic running for receiving the transmission of MIM message input module 101, described in reception
The running state parameter that running state detecting device 103 is sent；And it is according to the running state parameter detection crane
It is no to be in preparation power taking operating status；If the crane is in preparation power taking operating status, the transfer case 104 is controlled
Move back neutral gear, the power takeoff 108 is opened and the gearbox 107 hangs and takes power gear；The engine 106 is controlled again by getting off
Operating status, which switches to, gets on the bus operating status and the clutch 105 is in bonding state.
The control module 102 is used to receive 106 revolving speed of engine that first speed probe 109 sends, described
The parking brake keying signal and described second of speed, first inductive switch 111 transmission that second speed probe 110 is sent
The gear signal for the gearbox 107 that inductive switch 112 is sent；And whether the revolving speed of the engine 106 is detected default
In the fixed range of speeds, whether the travel speed of the crane is 0, whether the parking brake is closed and the gearbox 107
Whether neutral position state is in；If the revolving speed of the engine 106 is in the presetting range of speeds, the traveling of crane speed
When degree is 0, the parking brake is in closed state and the gearbox 107 is in neutral position state, determine that the crane is in
Preparation power taking operating status.
Specifically, the control module 102 is also used to be switched in one engine 106 of control by operating status of getting off and get on the bus
Operating status and the clutch 105 are in front of bonding state, are controlled the clutch 105 and are in examination bonding state, institute
It states the input gear that examination bonding state is the clutch 105 to engage with output gear and run the presetting time, wherein institute
Stating the presetting time is 2s~4s.
In addition, the automatic power taking opening device further includes third speed probe 113, the third speed probe
113 are electrically connected with the control module 102, and the control module 102 is used to receive what the third speed probe 113 was sent
The tach signal of the transfer case 104, and whether the tach signal for detecting the transfer case 104 is 0 and detects whether to receive
The unlatching feedback signal sent to the power takeoff 108；If the tach signal of transfer case 104 is 0 and receives the power takeoff
108 be sent to unlatching feedback signal when, control the engine 106 switched to by operating status of getting off get on the bus operating status with
And the clutch 105 is in bonding state.
Preferably, the transfer case 104 includes high tap position, low-grade location, neutral position and locking member, the high tap position,
The low-grade location and the neutral position are provided with travel switch, and the locking member and the stroke for being set to the neutral position
Switch buckle connection.Locking device is set in neutral position, the travel switch of neutral position can be locked when transfer case 104 moves back neutral gear
Tightly, to realize the accurate control for moving back neutral gear to transfer case 104.
In conclusion automatic power taking open method provided by the invention and device, when needing to carry out power taking to a crane
Get on the bus operation when, user only needs input automatic running instruction, and then automatic power taking opening device receives condition monitoring dress
Set the running state parameter of 103 transmissions；Detect whether a crane is in prepared power taking fortune according to the running state parameter again
Row state；If the crane is in preparation power taking operating status, controls a transfer case 104 and move back neutral gear, a power takeoff 108
It opens and a gearbox 107 hangs and takes power gear；It finally controls an engine 106 and operation of getting on the bus is switched to by operating status of getting off
State and a clutch 105 are in bonding state, to realize " a key power taking is opened ", operating process is simple, save a large amount of
Time cost and cost of labor, improve the operating experience sense of user.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of automatic power taking open method, which is characterized in that the automatic power taking open method includes:
The automatic running instruction an of MIM message input module (101) transmission is received, and is run according to automatic running command reception one
The running state parameter that condition checkout gear (103) is sent；
Detect whether a crane is in prepared power taking operating status according to the running state parameter；
If the crane is in preparation power taking operating status, controls a transfer case (104) and move back neutral gear, a power takeoff
(108) it opens and a gearbox (107) hangs and takes power gear；
Control clutch (105) be in examination bonding state, it is described examination bonding state be the clutch (105) input gear with
Output gear engages and runs the presetting time, wherein the presetting time is 2s~4s；
An engine (106) is controlled again, and get on the bus operating status and the clutch (105) are switched to by operating status of getting off
In bonding state；
Wherein, the engine that controls again is switched to get on the bus operating status and the clutch by operating status of getting off
(105) include: in the step of bonding state
It controls in second range of speeds that revolving speed is adjusted to presetting by the engine；Detect the engine revolving speed whether
In the second presetting range of speeds, if it is, throttle to be switched to throttle unlatching of getting on the bus from throttle open state of getting off
Then state controls clutch and is in bonding state.
2. automatic power taking open method according to claim 1, which is characterized in that the running state parameter includes described
The revolving speed of engine (106), the travel speed of the crane, the open/close states of a parking brake, a gearbox (107) operation shape
The operating status of state and a transfer case (104), it is described according to one running state detecting device of automatic running command reception (103)
The step of running state parameter of transmission includes:
Engine (106) revolving speed, one second revolving speed sent according to one first speed probe (109) of automatic running command reception
The parking brake keying signal and one second inductive switch of speed, the transmission of one first inductive switch (111) that sensor (110) is sent
(112) gear signal of the gearbox (107) sent；
It is described to detect that the step of whether a crane is in prepared power taking operating status includes: according to the running state parameter
The revolving speed of the engine (106) is detected whether in the presetting range of speeds, the travel speed of the crane is
No is 0, whether the parking brake is closed and whether the gearbox (107) is in neutral position state；
If the revolving speed of the engine (106) is in the presetting range of speeds, the travel speed of the crane is 0, described
Parking brake is in closed state and when the gearbox (107) is in neutral position state, determines that the crane is in preparation power taking
Operating status.
3. automatic power taking open method according to claim 1, which is characterized in that if the crane is in preparation
When power taking operating status, then controls a transfer case (104) and move back neutral gear, a power takeoff (108) unlatching and a gearbox (107) extension
The step of power taking gear includes:
If the crane is in preparation power taking operating status, controls the transfer case (104) and move back neutral gear；
Receive the gear signal of the transfer case (104) of third inductive switch transmission；
Gear signal according to the transfer case (104) detects whether the transfer case (104) moves back neutral gear；
If the transfer case (104) moves back neutral gear, a power takeoff (108) is opened and a gearbox (107) hangs and takes power gear.
4. automatic power taking open method according to claim 3, which is characterized in that if in the transfer case (104)
When moving back neutral gear, control one engine (106) is switched to get on the bus operating status and a clutch (105) by operating status of getting off
Before in the bonding state the step of, the automatic power taking open method further include:
Receive the tach signal of the transfer case (104) of a third speed probe (113) transmission；
Whether the tach signal for detecting the transfer case (104) is 0 and detects whether to receive the power takeoff (108) transmission
Unlatching feedback signal extremely；
If the tach signal of the transfer case (104) is 0, control one engine (106) is by operating status switching of getting off
To get on the bus operating status and a clutch (105) if the step of being in bonding state includes: the tach signal of transfer case (104)
For 0 and receive the power takeoff (108) transmission unlatching feedback signal when, then control an engine (106) by get off operation
State, which switches to, gets on the bus operating status and a clutch (105) is in bonding state.
5. a kind of automatic power taking opening device, which is characterized in that the automatic power taking opening device includes:
MIM message input module (101), for obtaining the automatic running instruction of user's input；
Running state detecting device (103), for detecting the running state parameter of a crane；
Control module (102), respectively with the MIM message input module (101), the running state detecting device (103), one point
Dynamic case (104), a power takeoff (108), a gearbox (107), an engine (106) and a clutch (105) electrical connection, are used
In the automatic running instruction for receiving MIM message input module (101) transmission, and the reception running state detecting device
(103) running state parameter sent；And detect whether the crane is in prepared power taking according to the running state parameter
Operating status；If the crane is in preparation power taking operating status, controls the transfer case (104) and move back neutral gear, described
Power takeoff (108) is opened and the gearbox (107) hangs and takes power gear；It controls the clutch (105) and is in examination in conjunction with shape
State, the examination bonding state are that the input gear of the clutch (105) engages with output gear and run the presetting time,
Wherein, the presetting time is 2s~4s；
The engine (106) is controlled again, and get on the bus operating status and the clutch (105) are switched to by operating status of getting off
In bonding state；
The control is specifically used for controlling in second range of speeds that revolving speed is adjusted to presetting by the engine；Described in detection
Whether the revolving speed of engine is in the second presetting range of speeds, if it is, throttle is cut from throttle open state of getting off
It is changed to throttle open state of getting on the bus, clutch is then controlled and is in bonding state.
6. automatic power taking opening device according to claim 5, which is characterized in that the running state detecting device
It (103) include the first speed probe (109), the second speed probe (110), the first inductive switch (111) and the second sense
Inductive switch (112), the control module (102) and the first speed probe (109), the second speed probe (110), the first sense
Inductive switch (111) and the second inductive switch (112) are electrically connected,
The control module (102) is used to receive engine (106) revolving speed, the institute that first speed probe (109) sends
State the speed of the second speed probe (110) transmission, the parking brake keying signal that first inductive switch (111) is sent and institute
State the gear signal of the gearbox (107) of the second inductive switch (112) transmission；And detect turning for the engine (106)
Whether speed is in the presetting range of speeds, and whether the travel speed of the crane is 0, whether the parking brake is closed and institute
Gearbox (107) is stated whether in neutral position state；If the revolving speed of the engine (106) is in the presetting range of speeds, institute
When the travel speed for stating crane is that the 0, parking brake is in closed state and the gearbox (107) is in neutral position state,
Determine that the crane is in preparation power taking operating status.
7. automatic power taking opening device according to claim 5, which is characterized in that the automatic power taking opening device also wraps
It includes third speed probe (113), the third speed probe (113) is electrically connected with the control module (102), the control
Molding block (102) is used to receive the tach signal for the transfer case (104) that the third speed probe (113) sends, and
Whether the tach signal for detecting the transfer case (104) is 0 and detects whether to receive opening for the power takeoff (108) transmission
Open feedback signal；If the tach signal of transfer case (104) is 0 and receives the unlatching feedback that the power takeoff (108) is sent to
When signal, controls the engine (106) and switch to get on the bus operating status and the clutch (105) by operating status of getting off
In bonding state.
8. automatic power taking opening device according to claim 5, which is characterized in that the transfer case (104) includes height
Gear, low-grade location, neutral position and locking member, the high tap position, the low-grade location and the neutral position are provided with stroke
Switch, and the locking member is snapped connection with the travel switch for being set to the neutral position.
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| CN110901380B (en) * | 2019-10-31 | 2021-04-02 | 中联重科股份有限公司 | Upper vehicle power take-off control system and method and engineering machinery |
| CN111016646B (en) * | 2019-12-24 | 2022-04-19 | 陕西法士特齿轮有限责任公司 | Power take-off control system and control method for transfer case |
| CN112594385A (en) * | 2020-12-01 | 2021-04-02 | 潍柴动力股份有限公司 | Rear power take-off assembly, engineering vehicle and control method of engineering vehicle |
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| CN114198495B (en) * | 2021-11-30 | 2023-06-16 | 东风越野车有限公司 | Method and equipment for controlling power takeoff of off-road vehicle |
| CN115324753B (en) * | 2022-09-23 | 2024-03-19 | 湖南道依茨动力有限公司 | Engine rotating speed pre-control method and system, engine and operation equipment |
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