CN211550127U - Signal generating device and remote control device - Google Patents
Signal generating device and remote control device Download PDFInfo
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- CN211550127U CN211550127U CN201922078710.7U CN201922078710U CN211550127U CN 211550127 U CN211550127 U CN 211550127U CN 201922078710 U CN201922078710 U CN 201922078710U CN 211550127 U CN211550127 U CN 211550127U
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Abstract
The utility model relates to an operation machine control field, concretely relates to signal generation device and remote control device. A signal generating device, comprising: a carrier; the control piece is universally installed on the carrier; the follow-up deflection pieces are at least two, the follow-up deflection pieces are hinged on the carrier in a crossed mode and are arranged on the periphery of the control piece in a surrounding mode, and the follow-up deflection pieces deflect along with the control piece; and the deflection detection module is arranged corresponding to the follow-up deflection piece and is used for acquiring the deflection angle of the follow-up deflection piece and converting the deflection angle into an angle electric signal for outputting. The hydraulic pilot control valve solves the technical problems that a hydraulic pilot control valve in the prior art is complex in structure, high in remote control difficulty and risky to oil leakage.
Description
Technical Field
The utility model relates to an operation machine control field, concretely relates to signal generation device and remote control device.
Background
In construction machines, pilot control valves are used in working machines such as hydraulic excavators, loaders, cranes, bulldozers, and cement pump trucks. An operator controls the movement of the pilot control valve, the pilot control valve outputs pilot pressure oil, the pilot pressure oil acts on a valve core of the hydraulic main valve, and the movement of the valve core is controlled, so that the flow and the movement direction of the system are controlled. The current pilot control method is hydraulic control, and the pilot control valve and the hydraulic main valve are required to be connected through a hydraulic joint and a hydraulic pipeline. The hydraulic pilot control valve has the problems of complex structure, more parts, difficult processing, higher cost, difficult assembly, risk of oil leakage and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the hydraulic pressure pilot control valve structure that exists among the prior art complicated, there is the technical problem of the risk that fluid leaked, the utility model provides a signal generation device and remote control device has solved above-mentioned technical problem. The technical scheme of the utility model as follows:
a signal generating device, comprising: a carrier; the control piece is universally installed on the carrier; the follow-up deflection pieces are at least two, the follow-up deflection pieces are hinged on the carrier in a crossed mode and are arranged on the periphery of the control piece in a surrounding mode, and the follow-up deflection pieces deflect along with the control piece; and the deflection detection module is arranged corresponding to the follow-up deflection piece and is used for acquiring the deflection angle of the follow-up deflection piece and converting the deflection angle into an angle electric signal for outputting.
The signal generating device obtains the dynamic state of the control part and converts the dynamic state into the angle electric signal output through the cooperation of the follow-up deflection part and the deflection detection module, the main valve core is triggered to act according to the angle electric signal, the whole device adopts signal detection control to play a role in pilot control of the hydraulic valve, a valve body structure is not needed, the structure is simple, oil is not needed, and the risk of oil leakage does not exist.
Furthermore, the number of the follow-up deflection pieces is two, the follow-up deflection pieces are curved and have spherical surfaces, and movable holes are formed in the middle of the two follow-up deflection pieces and are overlapped and crossed.
Furthermore, the movable holes of the two follow-up deflection pieces are vertically crossed, and the control piece drives the other follow-up deflection piece to deflect when freely moving in the movable hole of one follow-up deflection piece, or drives the two follow-up deflection pieces to deflect simultaneously.
Further, one end of the control piece is mounted on the carrier through a universal joint, and the other end of the control piece penetrates through the two movable holes.
Further, still include the subassembly that resets, the subassembly that resets includes 4 at least elastic component, 4 at least groups elastic component along the circumference evenly distributed of the axis of control, elastic component acts on control.
Furthermore, a pressing piece is arranged on the operating piece, the elastic component is arranged in parallel to the axis direction of the operating piece, the elastic component comprises an ejector rod and an elastic piece, the elastic piece is arranged in the carrier body and acts on one end of the ejector rod in a telescopic mode, and the other end of the ejector rod abuts against the pressing piece.
Further, in the initial state, all of the elastic members are in an equally compressed state.
A remote control device, comprising: a signal generating device; and the controller receives the angle electric signal output by the signal generating device and converts the angle electric signal into a control signal.
Further, the controller transmits the control signal to the driving device in a wired or wireless transmission mode.
The hydraulic valve comprises a valve body and a valve core, the valve core is arranged in the valve body in a sliding mode, and the driving device drives the valve core to slide in the valve body according to the control signal.
Based on the technical scheme, the utility model discloses the technological effect that can realize does:
1. the utility model discloses a signal generating device, through the cooperation of follow-up deflection spare and deflection detection module, acquires the developments of controlling the spare and convert the angle electric signal output into, triggers the action of main valve core according to the angle electric signal, and when signal generating device was used for controlling the hydrovalve work, the electric signal that signal generating device produced can play the guide control effect to the hydrovalve, compares with the guide hydrovalve among the prior art, the utility model discloses a signal generating device need not to adopt the valve body structure, and simple structure, and need not to use fluid, does not have the risk of fluid leakage; in addition, the electric control mode has higher reaction speed than a pilot hydraulic valve and is more sensitive to control;
2. the signal generating device of the utility model is provided with at least two following deflection pieces, at least two following deflection pieces are crosswise hinged on the carrier and are arranged around the control piece, so that the control piece can always drive at least one following deflection piece to deflect when deflecting in any direction, the signal generating device can acquire the angle electric signal corresponding to the position of the control piece which can deflect freely, and the control precision is high; furthermore, the two follow-up deflection pieces are vertically arranged, and the control piece penetrates through the movable holes in the two follow-up deflection pieces, so that two angle electric signals in the vertical direction can be obtained, and the signal conversion is convenient;
3. the signal generating device of the utility model is provided with the reset component, so that the control component is always kept in a vertical state in an initial state, and the control precision is high; further setting that all the elastic pieces are in the same compression state and have certain pretightening force under the initial state of the operation control piece, and can bring ergonomic operation feeling to an operator; compared with the prior art that when the pilot hydraulic valve is adopted, when the control member is reset, the reset assembly not only needs to overcome the gravity of the control member, but also needs to overcome the oil pressure, and is easy to damage and lose efficacy after long-term operation; the reset assembly does not need to overcome oil pressure, and is long in service life;
4. the utility model discloses a remote control device turns into the angle signal of telecommunication output through the deflection motion that signal generation device will control the spare, and the controller further converts the angle signal of telecommunication into control signal to control drive arrangement work, drive arrangement can drive the multiple device work including the hydrovalve, but wire control or wireless control between controller and the drive arrangement can realize the remote control to the multiple device work including the hydrovalve.
Drawings
Fig. 1 is a schematic structural diagram of a signal generating device according to the present invention;
FIG. 2 is a schematic structural view of two follower deflectors;
fig. 3 is a schematic structural diagram of the remote control device of the present invention;
fig. 4 is a flowchart illustrating the operation of the remote control device according to the present invention;
in the figure: 1-a carrier; 2-operating the control element; 21-pressing piece; 3-a follower deflection member; 31-a movable hole; 4-a deflection detection module; 5-a universal joint; 6-an elastic component; 61-a mandril; 62-an elastic member; 63-a connecting seat; 7-a controller; 8-a cable; 9-driving device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1 to 4, the present embodiment provides a signal generating apparatus, which includes a carrier 1, a manipulating component 2, a following deflection component 3, and a deflection detecting module 4, wherein the manipulating component 2 is mounted on the carrier 1 in a universal manner, the following deflection component 3 deflects along with the manipulating component 2, and the following deflection component 3 is provided with the deflection detecting module 4 for detecting a deflection angle of the following deflection component 3 and converting the deflection angle into an angle electrical signal for outputting.
The follow-up deflection parts 3 are at least two, the at least two follow-up deflection parts 3 are arranged on the carrier 1 in a cross hinged mode and surround the periphery of the control part 2, and when the control part 2 deflects, the at least one follow-up deflection part 3 can be driven to deflect. In this embodiment, the number of the following deflection parts 3 is two, the two following deflection parts 3 are curved and have spherical curved surfaces, the middle part of the following deflection part 3 forms a movable hole 31, and the movable holes 31 on the two following deflection parts 3 are at least partially overlapped and crossed. Specifically, a hinged seat is arranged on the carrier 1, two ends of the follow-up deflection piece 3 are hinged to the hinged seat through a hinged shaft 32, a deflection detection module 4 is arranged at the end part of the follow-up deflection piece 3, and the deflection detection module 4 detects the deflection angle of the follow-up deflection piece 3 and converts the deflection angle into an angle electric signal.
Preferably, the connecting line of the two ends of the follow-up deflection piece 3 is the diameter of the spherical surface where the follow-up deflection piece 3 is located, that is, the follow-up deflection piece 3 deflects along the diameter of the spherical surface where the follow-up deflection piece 3 is located, the two follow-up deflection pieces 3 can be set to have the same shape, and the heights of the hinge shafts are different; the hinge axes of the two follow-up deflection pieces 3 can be positioned at the same height, but the sizes of the spherical surfaces of the two follow-up deflection pieces 3 are different. Preferably, the movable hole 31 is a long hole or a kidney-shaped hole. Preferably, the movable hole 31 is located in the middle of the following deflection member 3, the centers of the two following deflection members 3 are vertically arranged, and the movable holes 31 thereon are vertically crossed.
Every follow-up deflection piece 3 is last all to be provided with deflection detection module 4, and deflection detection module 4 corresponds the setting with follow-up deflection piece 3, is provided with at least one deflection detection module 4 on every follow-up deflection piece 3, and deflection detection module 4 sets up the tip at follow-up deflection piece 3. The deflection detection module 4 comprises a rotor part and a stator part, wherein during specific installation, the rotor part is connected with the hinged shaft 32, the stator part is fixedly connected with the hinged seat, and when the follow-up deflection part 3 deflects, the rotor part rotates along with the hinged shaft 32 to obtain a deflection angle and convert the deflection angle into an angle electric signal. The angle electrical signal may be a current signal or a voltage signal. The deflection detection module 4 may alternatively, but not limited to, be an MTS-360G2 angular sensor of nafion.
One end of the control member 2 is mounted on the carrier 1 through the universal joint 5, and the other end of the control member 2 passes through the two movable holes 31. Specifically, one end of the universal joint 5 is fixedly connected with the carrier 1, and the other end of the universal joint 5 is fixedly connected with the control member 2. In this embodiment, the both ends of universal joint 5 all are provided with the external screw thread, and the one end of universal joint 5 stretches into in the carrier 1 with carrier 1 threaded connection, the other end of universal joint 5 stretch into in controlling 2 with control 2 threaded connection. In the initial state, the manipulation member 2 is located at the center of the overlapping portion of the two movable holes 31.
In order to enable the control member 2 to automatically restore to the initial state, the automatic control device is further provided with a reset assembly, the reset assembly comprises at least 4 groups of elastic assemblies 6, all the elastic assemblies 6 are uniformly distributed along the periphery of the axis of the control member 2, the elastic assemblies 6 are arranged in parallel to the axis of the control member 2, one end of each elastic assembly 6 acts on the carrier 1, and the other end of each elastic assembly 6 acts on the control member 2. Specifically, the elastic assembly 6 includes a push rod 61 and an elastic member 62, the elastic member 62 is accommodated in the carrier 1, one end of the elastic member 62 abuts against the carrier 1, the other end of the elastic member abuts against the connecting seat 63, one end of the connecting seat 63, which is far away from the elastic member 62, is connected with the push rod 61, the elastic member 62 stretches and retracts in the axial direction parallel to the control member 2, the push rod 61 is driven to move, and one end of the push rod 61, which is far away from the elastic member 62, acts on the control member 2. Preferably, the carrier 1 has a receiving hole for receiving the elastic component 6, the receiving hole includes a first receiving hole corresponding to the shape of the push rod 61 and a second receiving hole corresponding to the shape of the elastic component 62, the first receiving hole and the second receiving hole are communicated, and the receiving hole can be used for guiding the movement of the elastic component 6. The elastic member 62 may be selected from, but not limited to, a spring. In this embodiment, the elastic elements 6 are 4 groups, and the 4 groups of elastic elements 6 are arranged corresponding to the deflection directions of the two follow-up deflection members 3, so that at least one group of elastic elements 6 is compressed no matter how the follow-up deflection members 3 deflect, and the operation feeling is good.
In order to facilitate the ejector rod 61 to act on the operation member 2, the pressing member 21 may be disposed on the periphery of the operation member 2 or the periphery of one end of the universal joint 5 fixedly connected to the operation member 2, and the pressing member 21 may be annular or discrete, as long as it is ensured that all the elastic assemblies 6 equally abut against the pressing member 21. Preferably, in the initial condition, the elastic elements 62 of all the elastic assemblies 6 are in an equally compressed condition.
The embodiment also provides a remote control device, which comprises the signal generating device and a controller 7, wherein the signal generating device outputs an angle electric signal to the controller 7, the controller 7 receives the angle electric signal, converts the angle electric signal into a control signal, transmits the control signal to a driving device 9, and the driving device 9 works according to the control signal. The driving device 9 may be an electric driving device or an electro-hydraulic driving device, and the driving device 9 includes, but is not limited to, a proportional electromagnet and a servo motor.
The control signal may be an analog signal or a PWM signal, and the controller 7 and the driving device 9 may be connected through a wire harness 8 to implement wired control, specifically, the analog signal or the PWM signal is converted by the controller 7 and then output to the driving device 9 through the wire harness 8 by using a CAN protocol or other protocols. Wireless control can also be adopted between the controller 7 and the driving device 9, and specifically, a transmitter electrically connected with the controller 7 is arranged to transmit a control signal to a receiver, and the receiver is electrically connected with the driving device 9. The control signals are converted into a can protocol through a can module, and the can module with the model number of USBcan Pro2xHS v2 CB and produced by Kvaser can be preferably adopted.
The driving device 9 can drive various devices including a hydraulic valve to work. Taking a driving hydraulic valve as an example, the hydraulic valve comprises a valve body and a valve core, the valve core is arranged in the valve body in a sliding manner, a plurality of oil ports are formed in the valve body, and the valve core is driven by a driving device 9 to slide in the valve body. The mode that drive arrangement 9 drives the gliding of valve core has the multiple, and drive arrangement 9 accessible sharp module drives the valve core and makes straight reciprocating motion in the valve body, and the straight line module can select but not the gear rack structure, if drive arrangement drive gear rotate, gear rack meshing, the rack drives the valve core and makes straight reciprocating motion.
Use remote control hydrovalve worker as the example, the utility model discloses a remote control device's theory of operation does: an operator operates the control part 2, the control part 2 rotates around the universal joint 5, at least one follow-up deflection part 3 on the periphery of the control part 2 deflects along with the control part, a deflection angle detection module on the follow-up deflection part 3 acquires a deflection angle and converts the deflection angle into an angle electric signal to be output, the controller 7 receives the angle electric signals in all directions and converts the angle electric signals into control signals to control the driving device 9 to work, and the driving device 9 drives the valve core to slide in the valve body through a linear module.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A signal generating apparatus, comprising:
a carrier (1);
the control piece (2) is mounted on the carrier (1) in a universal mode;
the follow-up deflection parts (3) are at least two, at least two follow-up deflection parts (3) are hinged on the carrier (1) in a crossed mode and are arranged on the periphery of the control part (2) in a surrounding mode, and the follow-up deflection parts (3) deflect along with the control part (2);
the deflection detection module (4) is arranged corresponding to the follow-up deflection piece (3) and used for acquiring the deflection angle of the follow-up deflection piece (3) and converting the deflection angle into an angle electric signal to be output.
2. A signal generating device according to claim 1, wherein said follow-up deflector (3) is two, said follow-up deflector (3) is curved and the curved surface is spherical, and the middle of said follow-up deflector (3) forms a movable hole (31) and is overlapped and crossed.
3. A signal generating device according to claim 2, wherein the movable holes (31) of the two following deflection members (3) are vertically crossed, and the control member (2) drives the other following deflection member (3) to deflect when the control member moves freely in the movable hole (31) of one following deflection member (3), or the control member (2) drives the two following deflection members (3) to deflect simultaneously.
4. A signal generating device as claimed in claim 2, characterized in that one end of the control member (2) is mounted on the carrier (1) by means of a universal joint (5), and the other end of the control member (2) passes through two of said movable holes (31).
5. A signal generating device according to claim 1, further comprising a return assembly comprising at least 4 sets of elastic assemblies (6), at least 4 sets of said elastic assemblies (6) being uniformly distributed along a circumference of the axis of said control member (2), said elastic assemblies (6) acting on said control member (2).
6. A signal generating device as claimed in claim 5, characterized in that the operating member (2) is provided with a pressing member (21), the elastic component (6) is arranged parallel to the axial direction of the operating member (2), the elastic component (6) comprises a push rod (61) and an elastic member (62), the elastic member (62) is arranged in the carrier (1) and acts on one end of the push rod (61) in a telescopic manner, and the other end of the push rod (61) abuts against the pressing member (21).
7. A signal generating device as claimed in claim 6, characterized in that in the initial state all said elastic members (62) are in an equally compressed state.
8. A remote control apparatus, comprising:
the signal generating device of any one of claims 1-7;
and the controller (7) receives the angle electric signal output by the signal generating device and converts the angle electric signal into a control signal.
9. A remote control device as claimed in claim 8, characterized in that the controller (7) transmits the control signal to the drive means (9) by means of wired or wireless transmission.
10. A remote control device according to claim 9, further comprising a hydraulic valve including a valve body and a valve element, the valve element being slidably disposed in the valve body, the drive means (9) driving the valve element to slide in the valve body according to the control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922078710.7U CN211550127U (en) | 2019-11-27 | 2019-11-27 | Signal generating device and remote control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922078710.7U CN211550127U (en) | 2019-11-27 | 2019-11-27 | Signal generating device and remote control device |
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| CN211550127U true CN211550127U (en) | 2020-09-22 |
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| CN201922078710.7U Active CN211550127U (en) | 2019-11-27 | 2019-11-27 | Signal generating device and remote control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778559A (en) * | 2019-11-27 | 2020-02-11 | 江苏恒立液压科技有限公司 | Signal generating device and remote control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778559A (en) * | 2019-11-27 | 2020-02-11 | 江苏恒立液压科技有限公司 | Signal generating device and remote control device |
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