CN210342072U

CN210342072U - Engineering machinery remote control device capable of being quickly disassembled and assembled

Info

Publication number: CN210342072U
Application number: CN201920949317.8U
Authority: CN
Inventors: 张学利
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-17
Anticipated expiration: 2029-06-24

Abstract

A remote control device of engineering machinery capable of being quickly disassembled and assembled relates to the technical field of remote control of the engineering machinery, and comprises a remote control operator, a remote control module and an executing mechanism, wherein the remote control operator is in communication connection with the remote control module in a wireless transmission mode, the remote control module controls the executing mechanism to execute corresponding actions after receiving a control command from the remote control operator, the executing mechanism comprises a servo motor and a stay wire, a sheave is installed on an output shaft of the servo motor, one end of the stay wire is fixed at the edge of the sheave, the other end of the stay wire is fixedly connected with an operation terminal on the engineering machinery, the servo motor is started to enable the sheave to rotate, the stay wire is wound on the sheave to pull the stay wire after the sheave rotates, and then the operation terminal. The utility model discloses a mode that the servo motor drive was acted as go-between simulates driver's operation action, has realized the remote control to engineering machine tool, has eliminated the potential safety hazard that the hazardous environment brought for the driver.

Description

Engineering machinery remote control device capable of being quickly disassembled and assembled

Technical Field

The utility model belongs to the technical field of the engineering machine tool remote control, especially, relate to a but quick assembly disassembly's engineering machine tool remote control device.

Background

Engineering machines such as excavator, bull-dozer, loader are the main equipment that construction and rescue often used in-process, and these engineering machines can constitute certain threat to driver's personal safety and healthy in the use, and the concrete expression is: 1. when a building with a high height is dismantled, the engineering machinery and a driver can be buried after the building collapses, so that the driver is injured; 2. during emergency rescue, the engineering machinery often works in dangerous environments such as wading, falling rocks and collapsing, and great threat is brought to the life safety of drivers; 3. in the construction of tearing open, need change the scraper bowl on the excavator into hydraulic pressure quartering hammer, the mode through the hammering realizes tearing open, but when the construction is torn open on the large tracts of land road surface, the vibrations of excavator fuselage are very violent, and is very big to the test of driver health, not only makes the driver tired easily, seriously threatens the healthy of driver moreover. Therefore, in order to eliminate potential safety hazard and health hazard in the working process of engineering machinery drivers, technical personnel in the field of engineering machinery design numerous technical schemes aiming at remotely controlling the engineering machinery, and effectively solve the safety problem of the drivers through remote control, such as a wireless remote control hydraulic excavator walking electric drive control system and the like disclosed in the utility model with the patent number of CN 201520875534.9. However, the prior art solutions need to be integrated with the structure of the construction machine itself during the design process of the construction machine, and the prior art solutions are difficult to implement on the construction machines that have been shipped from factories.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that exists among the background art, the utility model provides a but quick assembly disassembly's engineering machine tool remote control device.

The utility model provides a technical problem adopt following technical scheme to realize: the utility model provides a but quick assembly disassembly's engineering machine tool remote control device, including remote control unit, remote control module and actuating mechanism, remote control unit passes through wireless transmission mode and remote control module and realizes that the communication is connected, and remote control module receives the control command back from remote control unit department, and control actuating mechanism carries out corresponding action, actuating mechanism includes servo motor and acts as go-between, installs the sheave on servo motor's the output shaft, the one end of acting as go-between is fixed at the sheave edge, and the other end of acting as go-between and the last operation terminal fixed connection of engineering machine tool start servo motor and make the sheave rotatory, will act as go-between around acting as go-between in order to stimulate on the sheave after the sheave is rotatory, and then stimulate operation terminal, realize corresponding action.

The two pull wires are driven by a servo motor, correspondingly, two grooved wheels are arranged on an output shaft of the servo motor corresponding to the two pull wires, each pull wire is connected to one grooved wheel, one pull wire is pulled when the output shaft of the servo motor rotates forwards, and the other pull wire is pulled when the output shaft of the servo motor rotates backwards.

The four pull wires are respectively driven by two servo motors, correspondingly, two grooved wheels are arranged on an output shaft of each servo motor corresponding to the two pull wires driven by the servo motor, each pull wire is respectively connected to one grooved wheel, one pull wire is pulled when the output shaft of the servo motor rotates forwards, and the other pull wire is pulled when the output shaft of the servo motor rotates backwards.

The grooved wheel is assembled on the output shaft of the servo motor in a clearance fit mode and can rotate relative to the output shaft of the servo motor, a limiting pin used for driving the grooved wheel to rotate is installed on the side face of the output shaft of the servo motor, correspondingly, a limiting block matched with the limiting pin is arranged on the side face of the grooved wheel, and when the output shaft of the servo motor rotates, force is transmitted to the limiting block through the limiting pin, so that power is provided for the grooved wheel to rotate.

The utility model has the advantages that: the utility model discloses a mode that the servo motor drive was acted as go-between simulates driver's operation action, has realized the remote control to engineering machine tool, has eliminated the potential safety hazard that the hazardous environment brought for the driver. And simultaneously, because the utility model discloses a principle is simulation manual operation, and the drive power direct action that manipulates engineering machine tool is at operation terminal, consequently only need when implementing simple support of design and connection structure will the utility model discloses connect in the driver's cabin operation terminal department can, and need not change engineering machine tool's self structure.

Drawings

FIG. 1 is a schematic view of a universal handle driven by four pull wires;

FIG. 2 is a schematic view of a servo motor driving two wires;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic diagram of a rocker potentiometer configuration;

FIG. 5 is a schematic view of the structure of the walking pedal driven by two pull wires;

FIG. 6 is a cross-sectional view at A in FIG. 5;

FIG. 7 is a schematic view of the structure of the walking pedal;

FIG. 8 is a schematic view of a hydraulic breaker pedal controlled by a pull cord;

fig. 9 is a schematic view of the installation structure of the stay wire guide tube on the stay wire fixing plate.

In the figure: 1-servo motor, 2-grooved pulley, 3-stay wire, 4-operation terminal, 5-limit pin, 6-limit block, 7-rocker installation piece, 8-pillar, 9-stay wire guide pipe, 10-hook, 11-traction ring, 12-strip hole, 13-walking pedal installation piece, 14-locking bolt, 15-stay wire fixing plate, 16-end cap, 17-short pipe and 18-side notch.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

the remote control module receives a control instruction from the remote control operator and controls the execution mechanism to execute corresponding action, the execution mechanism comprises a servo motor 1 and a stay wire 3, a sheave 2 is installed on an output shaft of the servo motor 1, one end of the stay wire 3 is fixed on the edge of the sheave 2, the other end of the stay wire 3 is fixedly connected with an operation terminal 4 on engineering machinery, the servo motor 1 is started to enable the sheave 2 to rotate, and the stay wire 3 is wound on the sheave 2 to pull the stay wire 3 after the sheave 2 rotates, so that the operation terminal 4 is pulled to realize corresponding action.

In the above technical scheme, the outside of the stay wire is provided with the stay wire guide pipe 9, and when the stay wire 3 is installed, two ends of the stay wire guide pipe 9 need to be fixed so that the stay wire can normally work. The stay wire is a mature part widely applied to brakes of bicycles, motorcycles and the like, so the installation and the use of the stay wire 3 are the technical common knowledge and are not described again.

In the specific implementation process, the operation terminal 4 on the engineering machinery generally has three types, one type is a hydraulic breaking hammer pedal, one type is a walking pedal, and the third type is a universal handle, wherein the hydraulic breaking hammer pedal is controlled by one pull wire 3, the walking pedal has two operation positions, so that the two pull wires 3 are adopted for control, and the universal handle has four operation positions and can rotate for 360 degrees, so that the four pull wires 3 are adopted for control.

As shown in fig. 8, when controlling the hydraulic breaking hammer pedal, can be fixed at the upper end suit end cap 16 of hydraulic breaking hammer pedal and through locking bolt 14, act as go-between 3 through servo motor 1 drive and can realize the control to the hydraulic breaking hammer pedal, be provided with of end cap 16 does benefit to the utility model discloses quick assembly disassembly on ordinary engineering machine tool. In order to fix the stay wire guide tube 9 at the end of the walking pedal, a stay wire fixing plate 15 can be arranged below the walking pedal, and the stay wire fixing plate 15 can be connected to the engineering machinery floor through a rivet. In the concrete implementation process, installed in order to make in hydraulic pressure quartering hammer footboard department the utility model discloses an engineering machine tool can switch between remote control mode and manual control mode fast, needs to make the utility model provides an actuating mechanism and engineering machine tool can rapid Assembly and dismantlement, based on this kind of consideration, can set the connection structure between fixed plate 15 and the wire guiding pipe 9 of acting as go-between into quick detachable structure. The specific structure is shown in fig. 9, and comprises a short pipe 17 with one end blocked and the other end open, a side cut 18 is arranged on the short pipe 17, the length direction of the side cut 18 is parallel to the axis of the short pipe 17, the width of the side cut 18 is larger than the diameter of the stay wire 3 and smaller than the diameter of the stay wire guide pipe 9, when the stay wire guide pipe 9 is installed, the stay wire 3 is installed into the short pipe 17 through the side cut 17, so that the stay wire passes through the center of the short pipe 17, and then the stay wire guide pipe 9 is inserted into the short pipe 17.

As shown in fig. 2, 5, and 6, when the walking pedal is controlled:

the two pull wires 3 are driven by one servo motor 1, two grooved wheels 2 are correspondingly arranged on an output shaft of the servo motor 1 corresponding to the two pull wires 3, each pull wire 3 is respectively connected to one grooved wheel 2, one pull wire 3 is pulled when the output shaft of the servo motor 1 rotates forwards, and the other pull wire 3 is pulled when the output shaft of the servo motor 1 rotates backwards. In the concrete implementation process, can install walking footboard installed part 13 on the walking footboard to with 3 fixed connection of acting as go-between on the walking footboard, so that quick assembly disassembly on ordinary engineering machine tool, in order to guarantee the joint strength of walking footboard installed part on the walking footboard, can adopt locking bolt 14 locking to fix. In order to fix the stay wire guide tube 9 at the end of the walking pedal, a stay wire fixing plate 15 can be arranged below the walking pedal, and the stay wire fixing plate 15 can be connected to the engineering machinery floor through a rivet. The wire-drawing guide tube 9 is fixed in the same way as the hydraulic breaking hammer pedal, and will not be described in detail.

As shown in fig. 1 to 4, when the universal handle is controlled:

the four pull wires 3 are driven by the two servo motors 1 respectively, correspondingly, two grooved wheels 2 are arranged on the output shaft of each servo motor 1 corresponding to the two pull wires 3 driven by the servo motor 1, each pull wire 3 is connected to one grooved wheel 2, one pull wire 3 is pulled when the output shaft of the servo motor 1 rotates forwards, and the other pull wire 3 is pulled when the output shaft of the servo motor 1 rotates backwards. In the structure, the four pull wires 3 are divided into two pairs, two pull wires 3 symmetrically distributed on two sides of the universal handle form a pair, and each pair of pull wires 3 is controlled by one servo motor 1. In the specific implementation process, the original connecting structure at the universal handle can be utilized. The concrete scheme is, on engineering machine tool, flange joint is passed through on hydraulic distributor to universal rocker's lower extreme, for the convenience of installation, among this technical scheme, specially set up rocker installed part 7 made by panel, and press from both sides it under universal rocker between these two flange faces of terminal surface and hydraulic distributor up end, thereby avoid changing engineering machine tool self structure, and simultaneously, in order to improve rocker installed part 7 the adaptability to the flange joint structure of the different specifications on the different model engineering machine tool, can set up into bar hole 12 with the bolt hole on rocker installed part 7, the radial of universal rocker is followed to the length direction in bar hole 12. In order to fix the guiding tube 9 of acting as go-between, can set up pillar 8 at the upside of rocker installed part 7, in order to realize acting as go-between 3 and the universal rocker be connected, can fix on the universal rocker and set up towing ring 11, four tip of acting as go-between 3 all through couple 10 hooks on towing ring 11, so that the utility model discloses a dismouting. On the engineering machinery, the rod body of the universal rocker is divided into two parts, the two parts are connected through threads, and by means of the structure, the traction ring 11 can be clamped at the threaded connection position during implementation.

Based on the control demand of hydraulic breaking hammer footboard and walking footboard, the action on the engineering machine tool is simulated with pedal control mode better during concrete implementation, therefore remote control operation ware can adopt the footboard potentiometre, and the potentiometre also realizes data connection through wireless communication mode and engineering machine tool, and XBOX360 can be selected to specific model, and the producer is the electron limited company of the macrosze of Dongguan city, and similar products are many, select other products also.

Based on the control requirement of the universal rocker, the remote control operator can adopt a rocker potentiometer, the specific model can be DH-D400x-R2, the manufacturer is Shanghai Pusheng hardware and communication Limited company, a plurality of similar products are available, and other products can be selected. When the universal rocker is controlled, the rocker potentiometer is pulled in two directions, and the control requirement can be met. When the universal rocker is controlled. The four action directions of the universal rocker and the four action directions of the rocker potentiometer are consistent in the front, rear, left and right directions. When the rocker potentiometer on the remote control operator is pulled to other directions except four directions, namely front, back, left and right, at the universal rocker on the engineering machinery, two pull wires 3 (shown as adjacent two pull wires 3 in figure 3) which can pull the universal rocker to swing towards the corresponding direction can be pulled, so that the two pull wires 3 generate mixed action. When the rocker on the rocker potentiometer rotates (as shown by the dashed trace in fig. 4), the same rotational motion as the rocker potentiometer is replicated at the gimbal on the work machine. It should be noted that, during the mixing action of the two pull wires 3, the direction of the pull wire 3 deviates from the radial direction of the universal rocker by a certain angle, which results in that the movement between the pull wire 3 and the pull wire guide tube 9 is not smooth enough and the abrasion of the pull wire 3 is accelerated, and the strut 8 can freely rotate along the axis vertical to the rocker mounting piece 7 during the implementation, so as to solve the problem.

In practical application, three operation terminals 4, namely a hydraulic breaking hammer pedal, a walking pedal and a universal handle, or two of the three operation terminals 4 are usually simultaneously arranged on one engineering machine, and the number of the operation terminals 4 on the engineering machine is usually more than one.

In the actual use process, the grooved pulley 2 is assembled on the output shaft of the servo motor 1 in a clearance fit mode and can rotate relative to the output shaft of the servo motor 1, a limiting pin 5 used for driving the grooved pulley 2 to rotate is installed on the side surface of the output shaft of the servo motor 1, correspondingly, a limiting block 6 matched with the limiting pin 5 is arranged on the side surface of the grooved pulley 2, and when the output shaft of the servo motor 1 rotates, the limiting pin 5 transmits force to the limiting block 6, so that power is provided for the rotation of the grooved pulley 2. When the output shaft of the servo motor 1 rotates towards one direction, one grooved wheel 2 mounted on the output shaft is forced to rotate, and the other grooved wheel 2 is kept still (does not rotate along with the output shaft of the servo motor 1) under the action of the pull wire 3, so that the design can effectively prevent the pull wire 3 from being broken when the rotation direction of the servo motor 1 is changed.

The utility model discloses a driver's operation action is simulated to servo motor 1 drive 3's of acting as go-between mode, has realized the remote control to engineering machine tool, has eliminated the potential safety hazard that the hazardous environment brought for the driver. And simultaneously, because the utility model discloses a principle is simulation manual operation, and the drive power direct action that manipulates engineering machine tool is in operation terminal 4, consequently only need when implementing simple support of design and connection structure will the utility model discloses connect in the driver's cabin operation terminal 4 department can, and need not change engineering machine tool's self structure.

Claims

1. The utility model provides a but quick assembly disassembly's engineering machine tool remote control device, includes remote control unit, remote control module and actuating mechanism, and remote control unit passes through wireless transmission mode and realizes the communication with remote control module and be connected, and remote control module receives control command back from remote control unit department, controls actuating mechanism and carries out corresponding action, its characterized in that: the actuating mechanism comprises a servo motor (1) and a pull wire (3), a grooved pulley (2) is installed on an output shaft of the servo motor (1), one end of the pull wire (3) is fixed to the edge of the grooved pulley (2), the other end of the pull wire (3) is fixedly connected with an operation terminal (4) on the engineering machinery, the servo motor (1) is started to enable the grooved pulley (2) to rotate, the pull wire (3) is wound on the grooved pulley (2) to pull the pull wire (3) after the grooved pulley (2) rotates, and then the operation terminal (4) is pulled, so that corresponding actions are achieved.

2. The remote control device for engineering machinery capable of being disassembled and assembled quickly according to claim 1, wherein: the two pull wires (3) are driven by one servo motor (1), correspondingly, two grooved wheels (2) are arranged on an output shaft of the servo motor (1) and correspond to the two pull wires (3), each pull wire (3) is connected to one grooved wheel (2), one pull wire (3) is pulled when the output shaft of the servo motor (1) rotates forwards, and the other pull wire (3) is pulled when the output shaft of the servo motor (1) rotates backwards.

3. The remote control device for engineering machinery capable of being disassembled and assembled quickly according to claim 1, wherein: the four pull wires (3) are driven by the two servo motors (1), correspondingly, two grooved wheels (2) are arranged on the output shaft of each servo motor (1) and correspond to the two pull wires (3) driven by the servo motors (1), each pull wire (3) is connected to one grooved wheel (2), one pull wire (3) is pulled when the output shaft of each servo motor (1) rotates forwards, and the other pull wire (3) is pulled when the output shaft of each servo motor (1) rotates backwards.

4. A quick detachable remote control device for construction machinery according to claim 2 or 3, wherein: the grooved pulley (2) is assembled on an output shaft of the servo motor (1) in a clearance fit mode and can rotate relative to the output shaft of the servo motor (1), a limiting pin (5) used for driving the grooved pulley (2) to rotate is installed on the side face of the output shaft of the servo motor (1), correspondingly, a limiting block (6) matched with the limiting pin (5) is arranged on the side face of the grooved pulley (2), and when the output shaft of the servo motor (1) rotates, the limiting pin (5) transmits force to the limiting block (6), so that power is provided for rotation of the grooved pulley (2).