CN113353150A - Chassis with limiting part fracture damage prevention function, method and operation machine - Google Patents
Chassis with limiting part fracture damage prevention function, method and operation machine Download PDFInfo
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- CN113353150A CN113353150A CN202110726452.8A CN202110726452A CN113353150A CN 113353150 A CN113353150 A CN 113353150A CN 202110726452 A CN202110726452 A CN 202110726452A CN 113353150 A CN113353150 A CN 113353150A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000002265 prevention Effects 0.000 title description 2
- 230000005669 field effect Effects 0.000 claims description 40
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric 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
- B60R16/02—Electric 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Transportation (AREA)
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- Environmental & Geological Engineering (AREA)
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Abstract
The invention provides a chassis, a method and an operation machine with a function of preventing a limiting part from being broken and damaged, wherein the chassis comprises: the device comprises a main frame, a left walking frame, a right walking frame, a limiting piece, a driving mechanism and a safety circuit; the left walking frame and the right walking frame are respectively connected with the main frame, and are positioned with the main frame through a plurality of limiting pieces; the driving mechanism is arranged on the main frame and used for realizing the extension and retraction of the left walking frame and the right walking frame; the safety circuit is respectively connected with the driving mechanism and the limiting part and is used for feeding back the state of the limiting part to the driving mechanism; when any limiting part is in a limiting state, the safety circuit and the driving mechanism are in an open circuit state, and the driving execution circuit of the driving mechanism is disconnected. According to the invention, the limit state of the limiting part is monitored by the arrangement of the safety circuit, and meanwhile, the driving mechanism controls the left walking frame and the right walking frame according to the monitoring result, so that the safe operation of the equipment is ensured.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a chassis with a function of preventing a limiting part from being broken and damaged, a method and an operating machine.
Background
At present, the walking device of the chassis of the rotary drilling rig mostly adopts a telescopic form: the method is generally divided into two modes, namely a fully-unfolded working mode; and secondly, the transportation mode is not widened. In order to improve the reliability and the safety of the walking device, the main frame, the left walking frame and the right walking frame can be limited in a bolt limiting mode. Guarantee under two kinds of modes, if flexible hydraulic cylinder spacing became invalid, the bolt realizes that mechanical type is spacing. The limiting mode that the existing bolt is inserted into the limiting hole is realized by the material strength of the bolt. The bolt is required to be in a taking-out state before each stretching and unfolding action, and the bolt is inserted into the limiting hole after the action is finished. When in use, the bolt is still in an inserted state, and the telescopic hydraulic oil cylinder acts, so that the bolt is broken and damaged.
Disclosure of Invention
The invention provides a chassis with a function of preventing a limiting part from being broken and damaged, which is used for solving the defects that a telescopic driving mechanism acts when the limiting part is still inserted in the prior art, so that pin insertion breakage and damage are caused.
The invention also provides a control method of the chassis with the function of preventing the limiting part from being broken and damaged, which is used for solving the defects that the limiting part in the prior art is still in an inserted state, and the telescopic driving mechanism acts to further cause the pin insertion breakage and damage.
The invention also provides a working machine.
According to a first aspect of the present invention, there is provided a chassis with a function of preventing a limiting member from being broken and damaged, comprising: the device comprises a main frame, a left walking frame, a right walking frame, a limiting piece, a driving mechanism and a safety circuit;
the left walking frame and the right walking frame are respectively connected with the main frame, and are positioned with the main frame through a plurality of limiting pieces;
the driving mechanism is arranged on the main frame and used for realizing the extension and retraction of the left walking frame and the right walking frame;
the safety circuit is respectively connected with the driving mechanism and the limiting part and is used for feeding back the state of the limiting part to the driving mechanism;
when any limiting part is in a limiting state, the safety circuit and the driving mechanism are in an open circuit state, and the driving execution circuit of the driving mechanism is disconnected.
According to one embodiment of the invention, the safety circuit comprises: the power supply, the voltage signal inverter, the first field effect transistor and the switch;
after the switches are connected in parallel, one end of each switch is connected with the power supply, and the other end of each switch is connected with the input end of the voltage signal phase inverter;
the output end of the voltage signal phase inverter is connected with the first field effect transistor;
the first field effect transistor is connected with a control circuit of the driving mechanism;
when the limiting part is in a limiting state, the switch is closed, and the driving execution circuit of the driving mechanism is disconnected.
Specifically, the present embodiment provides an implementation manner of a safety circuit, in which a power supply, a voltage signal inverter, a first field effect transistor, and switches are provided, so as to implement the arrangement of the safety circuit, and a plurality of switches are connected in parallel and are in one-to-one correspondence with the limiting members.
In a possible embodiment, a second resistor is also provided in series with the power supply, by means of which second resistor protection of the power supply is achieved.
According to an embodiment of the present invention, the first fet further comprises: a first gate, a source and a drain;
when the first grid has voltage signals input, the source and the drain are conducted;
the source electrode and the drain electrode are connected into a control circuit of the driving mechanism.
Specifically, the present embodiment provides an implementation of a field effect transistor, when the output terminal of the voltage signal inverter has a voltage signal input, that is, the first gate has a voltage signal input, and the input voltage is greater than the threshold voltage, the source and the drain are turned on, and then the corresponding device or device connected to the source and the drain is turned on.
It should be noted that, the present invention provides an embodiment for providing feedback for the operation of the driving mechanism through the current generated by the source and the drain, and in practical application, the present invention should further include a corresponding control device and a logic judgment device, where the source and the drain used in the present invention are connected to the driving mechanism, which means that the current generated by the source and the drain is used to judge that the stopper is in the pull-out state, and then the driving mechanism can be extended or retracted to realize the operation of the left traveling frame and the right traveling frame, rather than directly connecting the source and the drain to the driving mechanism in a narrow sense.
According to an embodiment of the present invention, the voltage signal inverter includes: a first resistor and a second field effect transistor;
the first resistor and the second field effect transistor are arranged in series;
the second field effect transistor includes a second gate forming an input of the voltage signal inverter;
wherein the second gate is connected to the plurality of switches connected in parallel.
Specifically, the present embodiment provides an implementation of a voltage signal inverter, which implements the fabrication of the voltage signal inverter by providing a first resistor and a second field effect transistor, and determines the state of a limiting component according to the voltage input by a second gate.
It should be noted that, when at least one of the position limiting members is in the position limiting state, the switch is closed, the input end of the voltage signal inverter, i.e., the second gate, receives the electrical signal, the output end of the voltage signal inverter, i.e., the first gate, does not output the electrical signal, and the corresponding source and drain connected to the first gate have no electrical signal input and are in the open circuit state, and are also in the open circuit state for the corresponding system controlled by the driving mechanism.
According to an embodiment of the present invention, further comprising: a light emitting diode in series with the switch.
Specifically, the embodiment provides an implementation manner of a light emitting diode, and by providing the light emitting diode, after the switch is closed, the light emitting diode emits light, so that whether the switch is in a closed state is conveniently judged, and then the state of the limiting member is judged according to the state of the switch.
In an application scene, when the limiting parts are in the limiting state, the switch is in the closed state, the light emitting diode emits light, and the corresponding limiting parts are prompted to be in the limiting state.
According to one embodiment of the invention, the number of switches is four.
Particularly, the embodiment provides an implementation mode of switch quantity, and the setting of four switches corresponds four locating parts that set up on the main frame, sets up the locating part into four, just can satisfy the location to left walking frame and right walking frame.
According to a second aspect of the present invention, a method for controlling a chassis having a function of preventing a limiting member from being broken and damaged includes: the device comprises a limiting piece, a switch, a driving mechanism, a first field effect transistor and a voltage signal phase inverter; the switches and the limiting pieces are arranged in a one-to-one correspondence mode, the switches are connected in parallel and then connected with the input end of the voltage signal phase inverter, the output end of the voltage signal phase inverter is connected with the first field effect transistor, and the first field effect transistor is connected with the control circuit of the driving mechanism; the method comprises the following steps:
acquiring a voltage signal at the input end of the voltage signal inverter and judging;
if the input end of the voltage signal phase inverter receives an input voltage signal, at least one limiting piece is judged to be in a limiting state, no voltage signal is output from the output end of the voltage signal phase inverter, and the driving mechanism keeps an initial state;
if the input end of the voltage signal phase inverter does not receive the input voltage signal, all the limiting pieces are judged to be in the pulling-out state, the output end of the voltage signal phase inverter outputs the voltage signal to the first field effect transistor, and the driving mechanism is switched to the working state from the initial state.
According to an embodiment of the present invention, if the input end of the voltage signal inverter receives an input voltage signal, it is determined that at least one of the limiting members is in the limiting state, and no voltage signal is output from the output end of the voltage signal inverter, and the step of maintaining the driving mechanism in the initial state specifically includes:
observing a light-emitting diode which corresponds to the switch and is arranged in series, and judging the limiting part in a limiting state according to the state of the light-emitting diode;
if the light-emitting diode is in a light-emitting state, the limiting part corresponding to the switch is judged to be in a limiting state;
and if the light-emitting diode is in a non-light-emitting state, judging that the limiting piece corresponding to the switch is in a pulling-out state.
Specifically, the present embodiment provides an implementation manner for determining the state of the limiting element according to the voltage signal input by the input end of the voltage signal phase inverter, and by identifying the light emitting diode connected to the switch, it can be quickly determined which limiting element is in the limiting state, so as to provide a guarantee for quickly positioning the limiting element in the limiting state.
According to a third aspect of the present invention, there is provided a working machine having the above-mentioned chassis with a function of preventing a limiting element from being broken and damaged, or a method for controlling a chassis with a function of preventing a limiting element from being broken and damaged when the chassis is in operation.
According to an embodiment of the present invention, the traveling system is connected to the safety circuit, and is configured to control traveling of the working machine according to a limit state fed back by the safety circuit.
Specifically, the embodiment provides an implementation mode in which the traveling system is connected to the safety circuit, and the safety circuit is connected to the traveling system, so that the safe operation of the hydraulic control system of the driving mechanism is ensured, and the safe operation of the traveling system is also ensured.
In a possible implementation manner, the safety circuit comprises a voltage signal inverter and a first field effect transistor, the first field effect transistor comprises a first grid, the voltage signal inverter comprises a second grid, the first field effect transistor further comprises a source electrode and a drain electrode, the source electrode and the drain electrode are conducted after the first grid receives an input voltage signal, the source electrode and the drain electrode are respectively connected into the walking system, and the walking system generates a corresponding walking decision according to signals fed back by the source electrode and the drain electrode.
One or more technical solutions in the present invention have at least one of the following technical effects: according to the chassis, the method and the operation machine with the function of preventing the limiting part from being broken and damaged, the limiting state of the limiting part is monitored through the arrangement of the safety circuit, and meanwhile, the driving mechanism controls the left walking frame and the right walking frame according to the monitoring result, so that the safe operation of equipment is guaranteed.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating an assembly relationship of a chassis with a function of preventing a limiting element from being broken and damaged according to the present invention;
FIG. 2 is a schematic diagram of a safety circuit in the chassis with the function of preventing the limit part from being broken and damaged according to the present invention;
fig. 3 is a schematic flow chart of a control method of a chassis with a function of preventing a limiting element from being broken and damaged according to the present invention.
Reference numerals:
10. a main frame; 20. A left walking frame; 30. A right walking frame;
40. a limiting member; 50. A drive mechanism; 60. A power source;
70. a voltage signal inverter; 71. A first resistor; 72. A first gate electrode;
73. a second gate electrode; 74. A source electrode; 75. A drain electrode;
76. a second resistor; 80. A switch; 90. A light emitting diode.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In some embodiments of the present invention, as shown in fig. 1 and 2, the present invention provides a chassis with a function of preventing a stopper from being broken and damaged, including: the safety device comprises a main frame 10, a left walking frame 20, a right walking frame 30, a limiting piece 40, a driving mechanism 50 and a safety circuit; the left walking frame 20 and the right walking frame 30 are respectively connected with the main frame 10, and are positioned with the main frame 10 through a plurality of limiting pieces 40; a driving mechanism 50 provided to the main frame 10 for enabling the extension and retraction of the left and right traveling frames 20 and 30; the safety circuit is respectively connected with the driving mechanism 50 and the limiting piece 40 and is used for feeding back the state of the limiting piece 40 to the driving mechanism 50; when any one of the limiting members 40 is in the limiting state, the safety circuit and the driving mechanism 50 are in the open circuit state, and the driving executing circuit of the driving mechanism 50 is disconnected.
In detail, the invention provides a chassis with a function of preventing a limiting part from being broken and damaged, which is used for solving the defects that a telescopic driving mechanism 50 acts when the limiting part 40 is still inserted in the prior art, and further pin insertion breakage and damage are caused, the monitoring of the limiting state of the limiting part 40 is realized through the arrangement of a safety circuit, meanwhile, the driving mechanism 50 controls the left walking frame 20 and the right walking frame 30 according to the monitoring result, the safe operation of equipment is ensured, the limiting part 40 can be effectively prevented from being broken and damaged due to misoperation of an operator, and the limiting part 40 can be effectively prevented from being damaged due to the telescopic circuit abnormity or electromagnetic valve abnormity of the driving mechanism 50.
It should be noted that the driving mechanism 50 may be an oil cylinder, an air cylinder, or an electric cylinder, and related driving devices such as a hydraulic control device, a pneumatic control device, or an electric control device.
It should be further noted that the limiting member 40 is a relevant structure for limiting, such as an insertion, a screw connection, and a clamping connection, and can be selected according to actual needs in practical applications.
In some possible embodiments of the invention, the safety circuit comprises: a power supply 60, a voltage signal inverter 70, a first field effect transistor, and a switch 80; the switches 80 are connected in parallel, and then one end of each switch is connected to the power supply 60, and the other end of each switch is connected to the input end of the voltage signal inverter 70; the output end of the voltage signal phase inverter 70 is connected with a first field effect transistor, and the first field effect transistor is connected with a control circuit of the driving mechanism 50; when the limiting member 40 is in the limiting state, the switch 80 is closed, and the driving execution circuit of the driving mechanism 50 is opened.
Specifically, the present embodiment provides an implementation manner of a safety circuit, in which a power supply 60, a voltage signal inverter 70, a first field effect transistor, and switches 80 are provided, so as to implement the arrangement of the safety circuit, and meanwhile, a plurality of switches 80 are connected in parallel and correspond to the position-limiting members 40 one to one, and such an arrangement ensures feedback of the state of the position-limiting members 40 through the switches 80, that is, when the position-limiting members 40 are in the insertion or extraction state, the switches 80 perform corresponding feedback of closing or opening.
In a possible embodiment, a second resistor 76 is also provided in series with the power supply 60, the protection of the power supply 60 being achieved by the second resistor 76.
In some possible embodiments of the invention, the first fet further comprises: a first gate 72, a source 74, and a drain 75; when the first gate 72 has a voltage signal input, the source 74 and the drain 75 are turned on; the source 74 and drain 75 are connected into the control circuit of the drive mechanism 50.
Specifically, this embodiment provides an implementation of a field effect transistor, when the output terminal of the voltage signal inverter 70 has a voltage signal input, i.e. the first gate 72 has a voltage signal input, and the input voltage is greater than the threshold voltage, the source 74 and the drain 75 are turned on, and thus the corresponding devices or devices connected to the source 74 and the drain 75 are turned on.
It should be noted that, the present invention provides an embodiment for providing feedback for the operation of the driving mechanism 50 through the current generated by the source 74 and the drain 75, and in practical applications, the present invention should further include a corresponding control device and a logic determination device, where the connection of the source 74 and the drain 75 to the driving mechanism 50 is used to mean that the current generated by the source 74 and the drain 75 determines that the stopper 40 is in the pulled-out state in a broad sense, and then the driving mechanism 50 can be extended or retracted, so as to implement the operation of the left traveling frame 20 and the right traveling frame 30, but the source 74 and the drain 75 are not directly connected to the driving mechanism 50 in a narrow sense.
In some possible embodiments of the present invention, the voltage signal inverter 70 includes: a first resistor 71 and a second field effect transistor; the first resistor 71 and the second field effect transistor are arranged in series; the second fet includes a second gate 73 forming an input to the voltage signal inverter 70; the second gate 73 is connected to the plurality of switches 80 connected in parallel.
Specifically, the present embodiment provides an implementation of the voltage signal inverter 70, in which the voltage signal inverter 70 is implemented by providing the first resistor 71 and the second fet, and the state of the stopper 40 is determined according to the voltage input by the second gate 73.
It should be noted that, when at least one of the position-limiting members 40 is in the position-limiting state, and the corresponding switch 80 is closed, the input end of the voltage signal inverter 70, i.e. the second gate 73, receives the electrical signal, and the output end of the voltage signal inverter 70, i.e. the first gate 72, does not output the electrical signal, and the corresponding source 74 and drain 75 connected to the first gate 72 have no electrical signal input and are in the open state, and are also in the open state for the corresponding system controlled by the driving mechanism 50.
In some possible embodiments of the present invention, the method further includes: and the light emitting diode 90, wherein the light emitting diode 90 is connected with the switch 80 in series.
Specifically, in the embodiment of the light emitting diode 90, by providing the light emitting diode 90, after the switch 80 is closed, the light emitting diode 90 emits light, so that whether the switch 80 is in the closed state is conveniently determined, and the state of the limiting member 40 is further determined according to the state of the switch 80.
In an application scenario, when the limiting members 40 are in the limiting state, the switch 80 is in the closed state, and the light emitting diode 90 emits light to indicate that the corresponding limiting members 40 are in the limiting state.
In some possible embodiments of the invention, the number of switches 80 is four.
Specifically, the present embodiment provides an implementation manner of the number of the switches 80, and the four switches 80 are provided, corresponding to the four limiting members 40 provided on the main frame 10, and the four limiting members 40 are provided, so that the positioning of the left traveling frame 20 and the right traveling frame 30 can be just satisfied.
In some embodiments of the present invention, as shown in fig. 1 to 3, the present disclosure provides a method for controlling a chassis having a function of preventing a limiting member from being broken and damaged, including: a limiting member 40, a switch 80, a driving mechanism 50, a first field effect transistor and a voltage signal inverter 70; the switches 80 are arranged in one-to-one correspondence with the limiting members 40, the switches 80 are connected in parallel and then connected with the input end of the voltage signal phase inverter 70, the output end of the voltage signal phase inverter 70 is connected with a first field effect transistor, and the first field effect transistor is connected with a control circuit of the driving mechanism 50; the method comprises the following steps:
acquiring and judging a voltage signal at the input end of the voltage signal inverter 70;
if the input end of the voltage signal inverter 70 receives the input voltage signal, it is determined that at least one of the limiting members 40 is in the limiting state, no voltage signal is output from the output end of the voltage signal inverter 70, and the driving mechanism 50 maintains the initial state;
if the input end of the voltage signal inverter 70 does not receive the input voltage signal, it is determined that all the limiting members 40 are in the pull-out state, the output end of the voltage signal inverter 70 outputs the voltage signal to the first field effect transistor, and the driving mechanism 50 is switched from the initial state to the working state.
In detail, the invention further provides a control method of a chassis with a function of preventing the limiting part from being broken and damaged, which is used for solving the defects that the limiting part 40 is still in an inserted state and the telescopic driving mechanism 50 acts to further cause pin-plug breakage and damage in the prior art, and the judgment of the state of the limiting part 40 is realized by acquiring the voltage signal at the input end of the voltage signal phase inverter 70, so that the safety of the driving mechanism 50 during action is ensured, and the phenomenon that the limiting part 40 breaks due to the action of the driving mechanism 50 when the limiting part 40 is in the limiting state is prevented.
In some possible embodiments of the present invention, if the input end of the voltage signal inverter 70 receives an input voltage signal, it is determined that at least one of the limiting members 40 is in the limiting state, the output end of the voltage signal inverter 70 does not output a voltage signal, and the step of maintaining the driving mechanism 50 in the initial state specifically includes:
observing the light emitting diode 90 which corresponds to the switch 80 and is arranged in series, and judging the limiting member 40 in the limiting state according to the state of the light emitting diode 90;
if the light emitting diode 90 is in a light emitting state, it is determined that the limiting member 40 corresponding to the switch 80 is in a limiting state;
if the light emitting diode 90 is in a non-light emitting state, it is determined that the stopper 40 corresponding to the switch 80 is in the pulled-out state.
Specifically, the present embodiment provides an implementation manner of determining the state of the limiting element 40 according to the voltage signal input by the input end of the voltage signal inverter 70, and by identifying the light emitting diode 90 connected to the switch 80, it can be quickly determined which limiting element 40 is in the limiting state, so as to provide a guarantee for quickly positioning the limiting element 40 in the limiting state.
In some embodiments of the present invention, the present disclosure provides a working machine, which has the above-mentioned chassis with a function of preventing the limiting element from being broken and damaged, or a control method for executing the above-mentioned chassis with a function of preventing the limiting element from being broken and damaged when the chassis is in operation.
In detail, the present invention further provides an operating machine, which is used to solve the defect that the limit member 40 is still inserted and the telescopic driving mechanism 50 acts to cause pin insertion fracture and damage in the prior art, and the monitoring of the limit state of the limit member 40 is realized through the arrangement of a safety circuit, and meanwhile, the driving mechanism 50 controls the left walking frame 20 and the right walking frame 30 according to the monitoring result, so as to ensure the safe operation of the equipment, effectively prevent the limit member 40 from being fractured and damaged due to misoperation of an operator, and effectively prevent the limit member 40 from being damaged due to the telescopic circuit abnormality of the driving mechanism 50 or the electromagnetic valve abnormality causing the telescopic action of the driving mechanism 50 to damage the limit member 40.
The work machine according to the present invention is a vehicle or a corresponding machine including components such as the drive mechanism 50, the main frame 10, the left traveling frame 20, and the right traveling frame 30.
In some possible embodiments of the present invention, the traveling system is connected to the safety circuit, and is configured to control traveling of the work machine according to the limit state fed back by the safety circuit.
Specifically, the embodiment provides an implementation mode in which the traveling system is connected to the safety circuit, and the safety circuit is connected to the traveling system, so that the safe operation of the hydraulic control system of the driving mechanism 50 is ensured, and the safe operation of the traveling system is also ensured.
In a possible embodiment, the safety circuit includes a voltage signal inverter 70 and a first field effect transistor, the first field effect transistor includes a first gate 72, the voltage signal inverter 70 includes a second gate 73, wherein the first field effect transistor further includes a source 74 and a drain 75, the source 74 and the drain 75 are turned on after the first gate 72 receives an input voltage signal, and the source 74 and the drain 75 are respectively connected into the walking system, and the walking system generates a corresponding walking decision according to signals fed back by the source 74 and the drain 75.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "a manner," "a particular manner," or "some manner" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or manner is included in at least one embodiment or manner of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or mode. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or modes. Furthermore, various embodiments or modes described in this specification, as well as features of various embodiments or modes, may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (10)
1. The utility model provides a chassis with prevent locating part fracture damage function which characterized in that includes: the device comprises a main frame, a left walking frame, a right walking frame, a limiting piece, a driving mechanism and a safety circuit;
the left walking frame and the right walking frame are respectively connected with the main frame, and are positioned with the main frame through a plurality of limiting pieces;
the driving mechanism is arranged on the main frame and used for realizing the extension and retraction of the left walking frame and the right walking frame;
the safety circuit is respectively connected with the driving mechanism and the limiting part and is used for feeding back the state of the limiting part to the driving mechanism;
when any limiting part is in a limiting state, the safety circuit and the driving mechanism are in an open circuit state, and the driving execution circuit of the driving mechanism is disconnected.
2. The chassis with a function of preventing a limit stop from being broken and damaged according to claim 1, wherein the safety circuit comprises: the power supply, the voltage signal inverter, the first field effect transistor and the switch;
after the switches are connected in parallel, one end of each switch is connected with the power supply, and the other end of each switch is connected with the input end of the voltage signal phase inverter;
the output end of the voltage signal phase inverter is connected with the first field effect transistor;
the first field effect transistor is connected with a control circuit of the driving mechanism;
when the limiting part is in a limiting state, the switch is closed, and the driving execution circuit of the driving mechanism is disconnected.
3. The chassis with a function of preventing a limiting part from being broken and damaged according to claim 2, wherein the first fet further comprises: a first gate, a source and a drain;
when the first grid has voltage signals input, the source and the drain are conducted;
the source electrode and the drain electrode are connected into a control circuit of the driving mechanism.
4. The chassis with a function of preventing a limiting part from being broken and damaged according to claim 3, wherein the voltage signal inverter comprises: a first resistor and a second field effect transistor;
the first resistor and the second field effect transistor are arranged in series;
the second field effect transistor includes a second gate forming an input of the voltage signal inverter;
wherein the second gate is connected to the plurality of switches connected in parallel.
5. The chassis with the function of preventing the limit stop from being broken and damaged according to any one of claims 1 to 4, further comprising: a light emitting diode in series with the switch.
6. The chassis with the function of preventing the limit stop from being broken and damaged according to any one of claims 1 to 4, wherein the number of the switches is four.
7. A control method of a chassis with a function of preventing a limiting part from being broken and damaged comprises the following steps: the device comprises a limiting piece, a switch, a driving mechanism, a first field effect transistor and a voltage signal phase inverter; the switches and the limiting pieces are arranged in a one-to-one correspondence mode, the switches are connected in parallel and then connected with the input end of the voltage signal phase inverter, the output end of the voltage signal phase inverter is connected with the first field effect transistor, and the first field effect transistor is connected with the control circuit of the driving mechanism; characterized in that the method comprises:
acquiring a voltage signal at the input end of the voltage signal inverter and judging;
if the input end of the voltage signal phase inverter receives an input voltage signal, at least one limiting piece is judged to be in a limiting state, no voltage signal is output from the output end of the voltage signal phase inverter, and the driving mechanism keeps an initial state;
if the input end of the voltage signal phase inverter does not receive the input voltage signal, all the limiting pieces are judged to be in the pulling-out state, the output end of the voltage signal phase inverter outputs the voltage signal to the first field effect transistor, and the driving mechanism is switched to the working state from the initial state.
8. The method according to claim 7, wherein if the input end of the voltage signal inverter receives an input voltage signal, it determines that at least one of the limiting members is in the limiting state, and the output end of the voltage signal inverter has no voltage signal output, and the step of maintaining the driving mechanism in the initial state further includes:
observing a light-emitting diode which corresponds to the switch and is arranged in series, and judging the limiting part in a limiting state according to the state of the light-emitting diode;
if the light-emitting diode is in a light-emitting state, the limiting part corresponding to the switch is judged to be in a limiting state;
and if the light-emitting diode is in a non-light-emitting state, judging that the limiting piece corresponding to the switch is in a pulling-out state.
9. A working machine having a chassis with a stopper breakage preventing function according to any one of claims 1 to 6, or a method of controlling a chassis with a stopper breakage preventing function according to claim 7 or 8 when the chassis is operated.
10. The work machine of claim 9, further comprising: and the traveling system is connected with the safety circuit and used for controlling the traveling of the operation machine according to the limit state fed back by the safety circuit.
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| CN202110726452.8A CN113353150B (en) | 2021-06-29 | 2021-06-29 | Chassis with limiting part fracture damage prevention function, method and operation machine |
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| CN202110726452.8A CN113353150B (en) | 2021-06-29 | 2021-06-29 | Chassis with limiting part fracture damage prevention function, method and operation machine |
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| CN113353150B CN113353150B (en) | 2023-06-16 |
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| CN208973373U (en) * | 2018-04-02 | 2019-06-14 | 九阳股份有限公司 | A kind of cooking equipment |
| CN112758199A (en) * | 2021-01-29 | 2021-05-07 | 北京三一智造科技有限公司 | Working machine chassis structure and working machine |
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| US4485316A (en) * | 1980-06-24 | 1984-11-27 | Thomson-Csf | Logic inverter, and a multi-output logic operator derived from this inverter, using at least two low-voltage-threshold field-effect transistors |
| CN2575078Y (en) * | 2002-09-20 | 2003-09-24 | 杨宝来 | Jack assembling system |
| CN202111459U (en) * | 2011-07-05 | 2012-01-11 | 曹飞 | Safety protection device of electric blanket |
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| Publication number | Publication date |
|---|---|
| CN113353150B (en) | 2023-06-16 |
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