CN111907485A - Movable support leg locking device and control method thereof and engineering vehicle - Google Patents

Movable support leg locking device and control method thereof and engineering vehicle Download PDF

Info

Publication number
CN111907485A
CN111907485A CN202010835497.4A CN202010835497A CN111907485A CN 111907485 A CN111907485 A CN 111907485A CN 202010835497 A CN202010835497 A CN 202010835497A CN 111907485 A CN111907485 A CN 111907485A
Authority
CN
China
Prior art keywords
bolt
movable
driving mechanism
supporting leg
leg
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.)
Pending
Application number
CN202010835497.4A
Other languages
Chinese (zh)
Inventor
张录岩
张志敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Sany Medium Lifting Machinery Co Ltd
Original Assignee
Hunan Sany Medium Lifting Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Sany Medium Lifting Machinery Co Ltd filed Critical Hunan Sany Medium Lifting Machinery Co Ltd
Priority to CN202010835497.4A priority Critical patent/CN111907485A/en
Publication of CN111907485A publication Critical patent/CN111907485A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S9/00Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
    • B60S9/02Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
    • B60S9/04Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting mechanically
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

The invention provides a movable support leg locking device, a control method thereof and an engineering vehicle, and relates to the technical field of engineering vehicles, wherein the movable support leg locking device comprises a bolt assembly and a position detection mechanism; the bolt assembly comprises a bolt, the bolt corresponds to a bolt hole on the movable supporting leg, and the bolt can be inserted into the bolt hole so as to lock the movement of the movable supporting leg; the position detection mechanism faces the bolt hole and is used for detecting whether the bolt is inserted into the bolt hole on the movable supporting leg or not, the bolt hole on the movable supporting leg is detected through detecting whether the bolt is inserted into the bolt hole, and the working state of the driving mechanism for driving the movable supporting leg and/or the driving mechanism for driving the engineering vehicle is controlled according to the detection result, so that the problem that the bolt is inserted into the bolt hole on the movable supporting leg when the engineering vehicle runs on the road is avoided, and the movable supporting leg is automatically shaken out to cause an accident.

Description

Movable support leg locking device and control method thereof and engineering vehicle
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a movable support leg locking device, a control method thereof and an engineering vehicle.
Background
The supporting legs are used as important auxiliary components of the engineering machinery, and play an indispensable role in the aspect of ensuring the stability of the engineering machinery.
The supporting leg bolt is a mechanical locking safety device for preventing risks of pedestrians, vehicles and the like on the road caused by the fact that the movable supporting leg automatically extends out to touch the road in the driving process of the vehicle when the movable supporting leg is in a retraction state and the engineering vehicle is in the normal driving process of the road. However, as the engineering vehicle requires more attention in the operation regulations, customers or operation drivers often miss the locking of the pins of the supporting legs when the engineering vehicle runs on the road, so that the supporting legs are automatically shaken out to cause accidents.
Disclosure of Invention
The invention aims to provide a movable supporting leg locking device, a control method thereof and an engineering vehicle, so as to solve the technical problem that an accident is caused because supporting legs are automatically shaken out due to the fact that an existing operator often misses locking a supporting leg bolt when the engineering vehicle runs on the road.
The invention provides a locking device for a movable supporting leg, which comprises a bolt component and a position detection mechanism;
the bolt assembly comprises a bolt, the bolt corresponds to a bolt hole in the movable supporting leg, and the bolt can be inserted into the bolt hole so as to lock the movement of the movable supporting leg;
the position detection mechanism faces the bolt hole and is used for detecting whether the bolt is inserted into the bolt hole in the movable supporting leg.
Further, the movable leg locking device further comprises a controller;
the position detection mechanism is in communication connection with the controller.
Furthermore, the movable supporting leg locking device further comprises a bolt driving mechanism, one end of the bolt is connected with the movable end of the bolt driving mechanism, and the bolt driving mechanism can drive the bolt to move.
Further, the bolt subassembly includes a bolt section of thick bamboo, the bolt is worn to establish in the bolt section of thick bamboo to can follow the extending direction of bolt section of thick bamboo slides.
Further, the bolt comprises a bolt body and a guide part;
the guide part is arranged on the circumferential direction of the bolt body, slides along the inner wall of the bolt barrel and is used for guiding the bolt in the motion process.
Further, the bolt driving mechanism comprises one of an air cylinder, a hydraulic cylinder or an electric cylinder.
Further, the position detection mechanism includes a position sensor.
The engineering vehicle provided by the invention comprises the movable support leg locking device.
Further, the engineering vehicle further comprises a display system, and the display system is connected with the movable supporting leg locking device.
The invention provides a control method of a locking device of a movable support leg, which comprises the following steps:
when the engineering vehicle needs to run on the road surface, inserting a bolt into a bolt hole of the movable supporting leg, and when the position detection mechanism detects that the bolt is inserted into the bolt hole on the movable supporting leg, the position detection mechanism can send information to the movable supporting leg driving mechanism and/or the engineering vehicle running driving mechanism, and the movable supporting leg driving mechanism is locked according to the information and/or the engineering vehicle running driving mechanism is unlocked according to the information;
when the engineering vehicle needs lifting operation, the bolt is retracted from the bolt hole of the movable supporting leg, and the position detection mechanism detects that the bolt is not in the bolt hole on the movable supporting leg, the position detection mechanism can send information to the movable supporting leg driving mechanism and/or the engineering vehicle driving mechanism, and the movable supporting leg driving mechanism is unlocked according to the information and/or the engineering vehicle driving mechanism is locked according to the information.
The invention provides a locking device for a movable supporting leg, which comprises a bolt component and a position detection mechanism; the bolt assembly comprises a bolt, the bolt corresponds to a bolt hole in the movable supporting leg, and the bolt can be inserted into the bolt hole so as to lock the movement of the movable supporting leg; the position detection mechanism faces the bolt hole and is used for detecting whether the bolt is inserted into the bolt hole on the movable supporting leg or not; the position detection mechanism can send information to the movable support leg driving mechanism and/or the engineering vehicle driving mechanism, and the movable support leg driving mechanism and/or the engineering vehicle driving mechanism execute corresponding actions according to the information.
Detecting whether a bolt is inserted into a bolt hole in the movable supporting leg through a position detection mechanism, when the bolt is inserted into the bolt hole, the position detection mechanism sends first information to a movable supporting leg driving mechanism and/or an engineering vehicle driving mechanism, the movable supporting leg driving mechanism stops working according to the information, and the engineering vehicle driving mechanism can recover working according to the information; when the bolt hole is not provided with the bolt, the position detection mechanism sends second information to the movable supporting leg driving mechanism and/or the engineering vehicle driving mechanism, the movable supporting leg driving mechanism recovers to work according to the information, and the engineering vehicle driving mechanism can stop working according to the information. The position detection mechanism can detect whether the bolt is inserted into the bolt hole of the movable supporting leg or not, and controls the working state of the driving mechanism of the movable supporting leg and/or the driving mechanism of the engineering vehicle to run according to the detection result, so that accidents caused by automatic shaking of the movable supporting leg due to the fact that the bolt is inserted into the bolt hole of the movable supporting leg and the bolt is missed when the engineering vehicle runs on the road are avoided.
The engineering vehicle provided by the invention comprises the movable support leg locking device, so that the engineering vehicle also has the advantages of the movable support leg locking device.
The invention provides a control method of a locking device of a movable support leg, which comprises the following steps: when the engineering vehicle needs to run on the road surface, inserting a bolt into a bolt hole of the movable supporting leg, and when the position detection mechanism detects that the bolt is inserted into the bolt hole on the movable supporting leg, the position detection mechanism can send information to the movable supporting leg driving mechanism and/or the engineering vehicle running driving mechanism, and the movable supporting leg driving mechanism is locked according to the information and/or the engineering vehicle running driving mechanism is unlocked according to the information; when the engineering vehicle needs lifting operation, the bolt is retracted from the bolt hole of the movable supporting leg, and the position detection mechanism detects that the bolt is not in the bolt hole on the movable supporting leg, the position detection mechanism can send information to the movable supporting leg driving mechanism and/or the engineering vehicle driving mechanism, and the movable supporting leg driving mechanism is unlocked according to the information and/or the engineering vehicle driving mechanism is locked according to the information.
Before the engineering vehicle needs to run on the road and before the engineering vehicle needs to perform lifting operation, whether a bolt is inserted into a bolt hole on the movable supporting leg can be detected through the position detection mechanism, information is sent to the movable supporting leg driving mechanism and/or the engineering vehicle running driving mechanism according to the detection result, locking or unlocking of the movable supporting leg driving mechanism and/or the engineering vehicle running driving mechanism is achieved, before the engineering vehicle runs, the bolt can be ensured to be inserted into the bolt hole of the movable supporting leg through detection of the position detection mechanism, so that the movable supporting leg is locked, accidents caused by automatic shaking of the movable supporting leg are avoided, before the engineering vehicle needs to perform lifting operation, detection of the position detection mechanism can determine that the bolt is not inserted into the bolt hole of the movable supporting leg, the movable supporting leg driving mechanism is unlocked and can drive the movable supporting leg to move, and the engineering vehicle driving mechanism is locked, so that the stability of operation is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view illustrating an unlocked state of a movable leg locking device according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a locked state of a movable leg of the movable leg locking device according to the embodiment of the present invention;
fig. 3 is a schematic diagram of a movable leg locking device provided in an embodiment of the present invention.
Icon: 10-a movable leg; 11-bolt holes; 20-a movable leg drive mechanism; 30-a driving mechanism for running of the engineering vehicle; 40-a display system; 100-a latch driving mechanism; 200-connecting a pin shaft; 300-a plug pin; 310-a bolt body; 320-a guide; 400-a latch barrel; 500-position detection means; 600-a controller.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the present embodiment provides a locking device for a movable leg, which includes a latch assembly and a position detection mechanism 500; the bolt assembly comprises a bolt 300, the bolt 300 corresponds to the bolt hole 11 on the movable supporting leg 10, and the bolt 300 can be inserted into the bolt hole 11, so that the movement of the movable supporting leg 10 is locked; the position detection mechanism 500 faces the bolt hole 11, and the position detection mechanism 500 is used for detecting whether the bolt 300 is inserted into the bolt hole 11 on the movable supporting leg 10; the position detection mechanism 500 can transmit information to the movable leg driving mechanism 20 and/or the work vehicle travel driving mechanism 30, and the movable leg driving mechanism 20 and/or the work vehicle travel driving mechanism 30 perform corresponding actions according to the information.
Detecting whether the bolt 300 is inserted into the bolt hole 11 of the movable support leg 10 through the position detection mechanism 500, when the bolt 300 is inserted into the bolt hole 11, the position detection mechanism 500 sends first information to the movable support leg driving mechanism 20 and/or the engineering vehicle driving mechanism 30, the movable support leg driving mechanism 20 stops working according to the information, and the engineering vehicle driving mechanism 30 can resume working according to the information; when the plug 300 is not present in the plug hole 11, the position detection mechanism 500 sends second information to the movable leg driving mechanism 20 and/or the work vehicle travel driving mechanism 30, the movable leg driving mechanism 20 resumes operation based on the information, and the work vehicle travel driving mechanism 30 can stop operating based on the information. The position detection mechanism 500 can detect whether the bolt 300 is inserted into the bolt hole 11 of the movable support leg 10, and control the working state of the movable support leg driving mechanism 20 and/or the engineering vehicle driving mechanism 30 according to the detection result, so that accidents caused by automatic shaking of the movable support leg 10 due to the fact that the bolt 300 is inserted into the bolt hole 11 of the movable support leg 10 when the engineering vehicle runs on the road are avoided.
The first information is a command for controlling the movable leg driving mechanism 20 to stop operating and a command for enabling the work vehicle travel driving mechanism 30 to resume operating; the second information is a command for controlling the movable leg driving mechanism 20 to resume its operation and a command for enabling the work vehicle travel driving mechanism 30 to stop its operation.
As shown in fig. 3, further, the movable leg locking device further includes a controller 600; the position detection mechanism 500, the movable leg driving mechanism 20 and the engineering vehicle driving mechanism 30 are respectively in communication connection with the controller 600.
Specifically, in the present embodiment, the movable leg locking device may further include a controller 600, and the position detection mechanism 500, the movable leg driving mechanism 20, and the work vehicle driving mechanism 30 are all in communication connection with the controller 600, and the controller 600 may receive information from the position detection mechanism 500 and send control commands to the movable leg driving mechanism 20 and the work vehicle driving mechanism 30, respectively, according to the information.
In this embodiment, a movable leg driving mechanism 20 is connected to the movable leg 10 for driving the movable leg 10 to extend and retract, such that: the hydraulic cylinder is generally provided with an electromagnetic valve for controlling the on/off of a hydraulic oil path, so as to extend and retract the movable support leg 10, the position detection mechanism 500 is connected with the controller 600, and the controller 600 is connected with the electromagnetic valve and can control the opening and the disconnection of the electromagnetic valve according to the detection result of the position detection mechanism 500. The work vehicle travel driving mechanism 30 is used to drive the work vehicle to move, and the work vehicle travel driving mechanism 30 may be a vehicle chassis travel system in general, that is, the controller 600 may also be connected to the vehicle chassis travel system and control the operating state and the off state of the vehicle travel system according to the detection result of the position detecting mechanism 500, the work vehicle may travel when the vehicle travel system is in the operating state, and the work vehicle may not travel when the vehicle travel system is in the off state.
The Controller 600 may be a separately equipped device, and may be a PLC Controller, i.e., a Programmable Logic Controller (PLC Controller), a digital electronic device with a microprocessor, a digital Logic Controller for automation control, and may load control instructions into a memory at any time for storage and execution. The programmable controller is modularly assembled by an internal CPU, an instruction and data memory, an input/output unit, a power module, a digital analog unit and the like.
It should be noted that the controller 600 may also be a controller of the construction vehicle itself.
Further, the movable leg locking device further includes a latch driving mechanism 100, wherein one end of the latch 300 is connected to a movable end of the latch driving mechanism 100, and the latch driving mechanism 100 can drive the latch 300 to move.
Specifically, the movable end of the latch driving mechanism 100 is connected with the latch 300 and is used for driving the latch 300 to move, when the movable support leg 10 does not need to work, the movable support leg 10 is retracted, and when the latch driving mechanism 100 drives the latch 300 to move into the latch hole 11 on the movable support leg 10, the movable support leg 10 is locked; when the movable leg 10 needs to work, the latch driving mechanism 100 drives the latch 300 to retract from the latch hole 11 of the movable leg 10, and the movable leg 10 can be extended and retracted by the movable leg driving mechanism 20.
Preferably, the latch driving mechanism 100 includes one of an air cylinder, a hydraulic cylinder, or an electric cylinder.
Further, the plug pin assembly includes a plug pin barrel 400, the plug pin 300 is inserted into the plug pin barrel 400 and can slide along the extending direction of the plug pin barrel 400, and the movable end of the plug pin driving mechanism 100 extends into the plug pin barrel 400 and is connected with one end of the plug pin 300 to drive the plug pin 300 to move.
Specifically, the bolt assembly includes a bolt barrel 400, the bolt 300 is inserted into the bolt barrel 400 and can slide along the extending direction of the bolt barrel 400, the bolt driving mechanism 100 is connected with the upper end of the bolt 300 through the connecting pin 200 after extending into the upper end of the bolt barrel 400, the lower end of the bolt 300 extends out after passing through the opening hole on the bolt barrel 400 and can be inserted into the bolt hole 11 on the movable support leg 10 under the driving of the bolt driving mechanism 100.
Preferably, the plug pin 300 includes a plug pin body 310 and a guide 320; the guide part 320 is provided in the circumferential direction of the latch body 310 and slides along the inner wall of the latch barrel 400 for guiding the movement of the latch 300.
Specifically, the plug 300 includes a plug body 310 and a guide portion 320, the guide portion 320 surrounds the plug body 310 in the circumferential direction and is located at the upper portion of the plug body 310, and when the plug 300 slides in the plug barrel 400, the guide portion 320 can contact with the inner wall of the plug barrel 400 to guide the plug 300, so as to prevent the plug 300 from being unable to enter the plug hole 11 due to inclination or being stuck in the plug barrel 400.
Further, the position detecting mechanism 500 includes a position sensor, which may be an infrared sensor or an optical sensor, facing the latch hole 11, and is capable of detecting whether the latch 300 is inserted into the latch hole 11 and transmitting a message accordingly.
It should be noted that the position detection mechanism 500 may also be a travel switch, and the travel switch is disposed on a moving path of the bolt 300, and when the bolt driving mechanism 100 drives the bolt 300 to move into the bolt hole 11 on the movable leg 10, the travel switch can be triggered in a forward direction, and when the bolt driving mechanism 100 drives the bolt 300 to move out of the bolt hole 11, the travel switch can be triggered in a reverse direction, which can indicate different states of the bolt 300, and send different information to the movable leg driving mechanism 20 and/or the engineering vehicle driving mechanism 30 to control different actions thereof.
In the locking device for movable support legs provided in this embodiment, as shown in fig. 1, before the movable support legs 10 act, the latch driving mechanism 100 drives the latch 300 to retract, the latch 300 is retracted and reset in the latch barrel 400, and is separated from the latch hole 11 on the movable support legs 10, so as to disconnect the mechanical locking of the movable support legs 10, the position detection mechanism 500 detects that there is no latch 300 in the latch hole 11, and sends a first message to the controller 600, and the controller 600 sends a control command to the movable support leg driving mechanism 20 according to the first message, so as to drive the movable support legs 10 to act, and the controller 600 sends a command to the driving mechanism 30 for engineering vehicle to run, so that the vehicle running function fails. As shown in fig. 2, before the engineering vehicle runs on the road, the latch driving mechanism 100 drives the latch 300 to extend out of the latch barrel 400, and the latch 300 is inserted into the latch hole 11 of the movable leg 10, the movable leg 10 is locked, when the position detection mechanism 500 detects that the latch 300 is located in the latch hole 11, the second information is sent to the controller 600, the controller 600 sends a control instruction to the movable leg driving mechanism 20 according to the first information, the movable leg 10 cannot be driven to act, and the controller 600 simultaneously sends an instruction to the engineering vehicle running driving mechanism 30, so that the running function of the vehicle is recovered.
The engineering vehicle provided by the embodiment comprises the movable leg locking device, and therefore, the engineering vehicle also has the advantages of the movable leg locking device.
Further, the engineering vehicle further comprises a display system 40, and the display system 40 is connected with the movable leg locking device and is used for displaying the locking state of the movable leg 10.
Specifically, the display system 40 may be a display screen, which is connected to the controller 600 of the movable leg locking device and can receive information from the controller 600 to display the insertion state of the plug 300, for example, a first display lamp and a second display lamp may be disposed on the display screen, and when the position detection mechanism 500 detects that the plug 300 is located in the plug hole 11, the first display lamp is turned on, and the second display lamp is turned off, and when the position detection mechanism 500 detects that the plug 300 is not located in the plug hole 11, the first display lamp is turned off, and the second display lamp is turned on, which can intuitively provide the insertion state of the plug 300 for the operator.
Of course, the display screen may also display the operating state or the stop state of the movable leg drive mechanism 20 and/or the work vehicle travel drive mechanism 30.
The control method of the movable leg locking device provided by the embodiment comprises the following steps: when the engineering vehicle needs to run on the road surface, the bolt 300 is inserted into the bolt hole 11 of the movable supporting leg 10, and the position detection mechanism 500 detects that the bolt 300 is inserted into the bolt hole 11 of the movable supporting leg 10, the position detection mechanism 500 can send information to the movable supporting leg driving mechanism 20 and/or the engineering vehicle running driving mechanism 30, and the movable supporting leg driving mechanism 20 is locked according to the information and/or the engineering vehicle running driving mechanism 30 is unlocked according to the information.
When the plug 300 is retracted from the plug hole 11 of the movable support leg 10 before the engineering vehicle needs to perform lifting operation, and the position detection mechanism 500 detects that the plug 300 is not in the plug hole 11 of the movable support leg 10, the position detection mechanism 500 can send information to the movable support leg driving mechanism 20 and/or the engineering vehicle driving mechanism 30, and the movable support leg driving mechanism 20 is unlocked according to the information and/or the engineering vehicle driving mechanism 30 is locked according to the information.
Before the engineering vehicle needs to run on the road or before the engineering vehicle needs to perform lifting operation, whether the bolt 300 is inserted into the bolt hole 11 of the movable supporting leg 10 or not can be detected by the position detection mechanism 500, and information is sent to the movable supporting leg driving mechanism 20 and/or the engineering vehicle driving mechanism 30 according to the detection result, so that the movable supporting leg driving mechanism 20 and/or the engineering vehicle driving mechanism 30 can be locked or unlocked, before the engineering vehicle runs, the bolt 300 can be ensured to be inserted into the bolt hole 11 of the movable supporting leg 10 through the detection of the position detection mechanism 500, so that the movable supporting leg 10 is locked, accidents caused by the automatic shaking of the movable supporting leg 10 are avoided, before the engineering vehicle needs to perform lifting operation, the bolt 300 can be determined not to be inserted into the bolt hole 11 of the movable supporting leg 10 through the detection of the position detection mechanism 500, the movable support leg driving mechanism 20 is unlocked and can drive the movable support leg 10 to move, and the engineering vehicle running driving mechanism 30 is locked, so that the stability of operation is improved.
In summary, in the movable leg locking device provided by the present invention, the position detection mechanism 500 is used to detect whether the bolt 300 is inserted into the bolt hole 11 of the movable leg 10, when the bolt 300 is inserted into the bolt hole 11, the position detection mechanism 500 sends a first message to the movable leg driving mechanism 20 and/or the engineering vehicle driving mechanism 30, the movable leg driving mechanism 20 stops working according to the message, and the engineering vehicle driving mechanism 30 can resume working according to the message; when the plug 300 is not present in the plug hole 11, the position detection mechanism 500 sends second information to the movable leg driving mechanism 20 and/or the work vehicle travel driving mechanism 30, the movable leg driving mechanism 20 resumes operation based on the information, and the work vehicle travel driving mechanism 30 can stop operating based on the information. The position detection mechanism 500 can detect whether the bolt 300 is inserted into the bolt hole 11 of the movable support leg 10, and control the working state of the movable support leg driving mechanism 20 and/or the engineering vehicle driving mechanism 30 according to the detection result, so that accidents caused by automatic shaking of the movable support leg 10 due to the fact that the bolt 300 is inserted into the bolt hole 11 of the movable support leg 10 when the engineering vehicle runs on the road are avoided.
The engineering vehicle comprises the movable support leg locking device, so that the engineering vehicle also has the advantages of the movable support leg locking device.
The control method of the locking device of the movable landing leg provided by the invention can detect whether the bolt 300 is inserted into the bolt hole 11 on the movable landing leg 10 or not through the position detection mechanism 500 before the engineering vehicle needs to run on the road and before the engineering vehicle needs to lift, and send information to the movable landing leg driving mechanism 20 and/or the engineering vehicle driving mechanism 30 according to the detection result to realize the locking or unlocking of the movable landing leg driving mechanism 20 and/or the engineering vehicle driving mechanism 30, and can ensure that the bolt 300 is inserted into the bolt hole 11 of the movable landing leg 10 through the detection of the position detection mechanism 500 before the engineering vehicle runs, thereby locking the movable landing leg 10 and avoiding accidents caused by the automatic shaking of the movable landing leg 10, and can determine that the bolt 300 is not inserted into the bolt hole 11 of the movable landing leg 10 through the detection of the position detection mechanism 500 before the engineering vehicle needs to lift, the movable support leg driving mechanism 20 is unlocked and can drive the movable support leg 10 to move, and the engineering vehicle running driving mechanism 30 is locked, so that the stability of operation is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A locking device for a movable supporting leg is characterized by comprising a bolt component and a position detection mechanism (500);
the bolt assembly comprises a bolt (300), the bolt (300) corresponds to a bolt hole (11) in the movable supporting leg (10), and the bolt (300) can be inserted into the bolt hole (11) so as to lock the movement of the movable supporting leg (10);
the position detection mechanism (500) faces the bolt hole (11), and the position detection mechanism (500) is used for detecting whether the bolt (300) is inserted into the bolt hole (11) on the movable supporting leg (10).
2. The movable leg locking arrangement as claimed in claim 1, further comprising a controller (600);
the position detection mechanism (500) is in communication connection with the controller (600).
3. The movable leg locking device according to claim 1, further comprising a latch driving mechanism (100), wherein one end of the latch (300) is connected to the movable end of the latch driving mechanism (100), and the latch driving mechanism (100) can drive the latch (300) to move.
4. The locking device of claim 3, wherein the latch assembly comprises a latch cylinder (400), and the latch (300) is disposed in the latch cylinder (400) and can slide along the extension direction of the latch cylinder (400).
5. The movable leg locking arrangement as claimed in claim 4, wherein the latch (300) comprises a latch body (310) and a guide (320);
the guide part (320) is arranged on the circumferential direction of the bolt body (310) and slides along the inner wall of the bolt cylinder (400) for guiding the bolt (300) in the movement process.
6. The movable leg locking arrangement of claim 3, wherein the latch actuation mechanism (100) comprises one of an air cylinder, a hydraulic cylinder, or an electric cylinder.
7. The movable leg locking arrangement as claimed in claim 1, characterized in that the position detection means (500) comprise a position sensor.
8. A work vehicle, characterized in that it comprises a locking device for a movable leg according to any one of claims 1-7.
9. The work vehicle according to claim 8, characterized in that the work vehicle further comprises a display system (40), which display system (40) is connected with the movable leg locking arrangement.
10. A method of controlling a locking device for a movable leg, comprising:
before the engineering vehicle needs to run on the road surface, inserting a bolt (300) into a bolt hole (11) of a movable supporting leg (10), and when a position detection mechanism (500) detects that the bolt (300) is inserted into the bolt hole (11) on the movable supporting leg (10), the position detection mechanism (500) can send information to a movable supporting leg driving mechanism (20) and/or an engineering vehicle running driving mechanism (30), wherein the movable supporting leg driving mechanism (20) is locked according to the information and/or the engineering vehicle running driving mechanism (30) is unlocked according to the information;
before the engineering vehicle needs lifting operation, the bolt (300) is retracted from the bolt hole (11) of the movable supporting leg (10), when the position detection mechanism (500) detects that the bolt (300) is not located in the bolt hole (11) of the movable supporting leg (10), the position detection mechanism (500) can send information to the movable supporting leg driving mechanism (20) and/or the engineering vehicle driving mechanism (30), and the movable supporting leg driving mechanism (20) is unlocked according to the information and/or the engineering vehicle driving mechanism (30) is locked according to the information.
CN202010835497.4A 2020-08-18 2020-08-18 Movable support leg locking device and control method thereof and engineering vehicle Pending CN111907485A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010835497.4A CN111907485A (en) 2020-08-18 2020-08-18 Movable support leg locking device and control method thereof and engineering vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010835497.4A CN111907485A (en) 2020-08-18 2020-08-18 Movable support leg locking device and control method thereof and engineering vehicle

Publications (1)

Publication Number Publication Date
CN111907485A true CN111907485A (en) 2020-11-10

Family

ID=73278329

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010835497.4A Pending CN111907485A (en) 2020-08-18 2020-08-18 Movable support leg locking device and control method thereof and engineering vehicle

Country Status (1)

Country Link
CN (1) CN111907485A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2537293B2 (en) * 1990-05-02 1996-09-25 矢崎総業株式会社 Connector coupling detector
CN203246446U (en) * 2013-04-22 2013-10-23 三一汽车制造有限公司 Engineering vehicle leg lock detection device and pump truck
CN106143431A (en) * 2016-07-06 2016-11-23 徐州海伦哲专用车辆股份有限公司 The supporting leg retracted mode detection method of special-purpose vehicle and detection device thereof
CN207173772U (en) * 2017-09-28 2018-04-03 湖南金天钛业科技有限公司 The multi-functional flaw detection trolley of titanium alloy large size bar
CN111071217A (en) * 2019-12-31 2020-04-28 三一汽车制造有限公司 Telescopic support leg and vehicle
CN210852402U (en) * 2019-10-15 2020-06-26 三一汽车制造有限公司 Landing leg locking device and special vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2537293B2 (en) * 1990-05-02 1996-09-25 矢崎総業株式会社 Connector coupling detector
CN203246446U (en) * 2013-04-22 2013-10-23 三一汽车制造有限公司 Engineering vehicle leg lock detection device and pump truck
CN106143431A (en) * 2016-07-06 2016-11-23 徐州海伦哲专用车辆股份有限公司 The supporting leg retracted mode detection method of special-purpose vehicle and detection device thereof
CN207173772U (en) * 2017-09-28 2018-04-03 湖南金天钛业科技有限公司 The multi-functional flaw detection trolley of titanium alloy large size bar
CN210852402U (en) * 2019-10-15 2020-06-26 三一汽车制造有限公司 Landing leg locking device and special vehicle
CN111071217A (en) * 2019-12-31 2020-04-28 三一汽车制造有限公司 Telescopic support leg and vehicle

Similar Documents

Publication Publication Date Title
CN108516505B (en) Forklift work safety control device and control method
CN111907485A (en) Movable support leg locking device and control method thereof and engineering vehicle
CN103046593B (en) Perching knife automatic lifting method
CN105857214A (en) Safety control device and method for multifunctional operating car
CN110747932B (en) Excavator control system and method
CN104271491B (en) Hydraulic forklift automatic control system
CN203767900U (en) Rotation control system of crane turntable and crane
CN114312527B (en) Dump truck with wireless remote control function and remote control self-dumping method
CN109278878A (en) Driver's cab turnover control system and driver's cabin
CN112982522B (en) Control system of attachment replacement device of excavator and excavator with same
CN102225731B (en) Crane as well as startup controlling method and system thereof
EP3549418A1 (en) Tractor
CN112681975B (en) Engineering truck control method and system based on engine and motor starting interlocking
CN218037730U (en) AGV robot control equipment
CN202975754U (en) A power control system of multiple controllers and engineering machinery equipment
CN205737334U (en) A kind of safety control of multi-function operation automobile
CN214031508U (en) Special vehicle's reel safety arrangement, reel and special vehicle
CN214954631U (en) Vehicle-mounted lifting lighting equipment protection device and operation machine
CN114967545A (en) AGV robot control equipment
CN216737103U (en) Bistable trigger device additionally arranged on goods ladder door
CN103925261A (en) Electrohydraulic-control anti-collision device for drilling machines
CN212083938U (en) Driving safety monitoring system and engineering equipment
CN103232002B (en) Boom anti-tripping mechanism as well as crane boom and construction crane comprising boom anti-tripping mechanism
CN109650203A (en) A kind of shallow pit installs elevator and its electrical system additional
CN217460743U (en) Climbing excavator protective net device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20201110

RJ01 Rejection of invention patent application after publication