阅读说明：本技术 Wy-100ⅲ物料运输车与清筛机间距自动调节系统 (Automatic adjusting system for distance between WY-100 III material transport vehicle and screen scarifier ) 是由 黄召鹏 陈学泓 李晓鹏 于 2019-11-18 设计创作，主要内容包括：WY-100Ⅲ物料运输车与清筛机间距自动调节系统,包括PLC控制器,在PLC控制器上连接有继电器控制盒,所述继电器控制盒用于实现调节物料运输车的运行状态；所述继电器控制盒内设有12路继电器,在一号继电器RE1上连接有距离传感器,所述距离传感器用于检测物料运输车和清筛机之间的相对距离；基于PLC控制器和距离传感器的控制原理,根据两个设备之间的相对距离来调节物料运输车和清筛机的运行速度,保证两个设备的相对距离处于适合的范围,使操作人员可以远离重度粉尘污染的环境,降低了劳动强度,提高了工作效率。(The automatic adjusting system for the distance between the WY-100 III material transport vehicle and the screen scarifier comprises a PLC (programmable logic controller), wherein a relay control box is connected to the PLC, and is used for adjusting the running state of the material transport vehicle; a 12-path relay is arranged in the relay control box, a first relay RE1 is connected with a distance sensor, and the distance sensor is used for detecting the relative distance between the material transport vehicle and the screen scarifier; based on the control principle of the PLC and the distance sensor, the running speeds of the material transport vehicle and the screen scarifier are adjusted according to the relative distance between the two devices, the relative distance between the two devices is ensured to be in a proper range, so that an operator can be far away from the environment with severe dust pollution, the labor intensity is reduced, and the working efficiency is improved.)

WY-100 III material transport vechicle and screen scarifier interval automatic regulating system, its characterized in that: the device comprises a PLC, wherein a relay control box is connected to the PLC, and is used for adjusting the running state of the material transport vehicle; 12 paths of relays are arranged in the relay control box, and the first relay RE1 is used for realizing the switching between an automatic control mode and a manual control mode; the third relay RE3 is used for controlling the backward movement of the conveying belt of the material transport vehicle, and the fifth relay RE5 is used for controlling the forward movement of the material conveying belt; the fourth relay RE4 is used for realizing control of inclined protection unlocking of the throwing belt, the sixth relay RE6 is used for realizing control of ascending action of the throwing belt, the eighth relay RE8 is used for realizing control of descending action of the throwing belt, the seventh relay RE7 and the ninth relay RE9 are used for realizing control of forward rotation of the throwing belt, the tenth relay RE10 is used for realizing control of left movement action of the throwing belt, and the twelfth relay RE12 is used for realizing control of right movement action of the throwing belt; the No. eleven relay RE11 is used for controlling hydraulic braking; and a distance sensor is connected to the first relay RE1 and is used for detecting the relative distance between the material transport vehicle and the screen scarifier.

2. The automatic WY-100 III material transport vehicle and screen scarifier spacing adjusting system of claim 1, wherein: the system also comprises a remote controller matched with the relay control box.

3. The automatic WY-100 III material transport vehicle and screen scarifier spacing adjusting system of claim 2, wherein: the remote controller is provided with a brake key, a main front key, a main rear key, a throw front key, a throw rear key, a throw left key, a throw right key, a throw up key, a throw down key and an inclined unlocking key which are matched with the relay control box.

4. The automatic WY-100 III material transport vehicle and screen scarifier spacing adjusting system of claim 3, wherein: the brake key, the throw front key, the throw left key, the throw right key and the throw descending key are self-locking keys.

5. The automatic WY-100 III material transport vehicle and screen scarifier spacing adjusting system of claim 3, wherein: the main front key, the main rear key, the throw lifting key and the inclination unlocking key are click keys.

6. The automatic WY-100 III material transport vehicle and screen scarifier spacing adjusting system of claim 1, wherein: the relay control box is connected with a one-key cutting switch which is used for realizing the functions of a one-key cutting remote control system and an automatic tracking system.

7. The automatic WY-100 III material transport vehicle and screen scarifier spacing adjusting system of claim 1, wherein: diodes D10 and D11 are arranged on the third relay RE3, and the diodes D10 and D11 are used for realizing electrical isolation; diodes D16 and D17 are arranged on the relay RE7, and the diodes D16 and D17 are used for realizing electrical isolation.

8. The automatic WY-100 III material transport vehicle and screen scarifier spacing adjusting system of claim 1, wherein: the distance sensor is a contact type distance sensor.

9. The automatic WY-100 III material transport vehicle and screen scarifier spacing adjusting system of claim 1, wherein: the first relay RE1 and the second relay RE2 are in an interlocking control mode; the third relay RE3, the fourth relay RE4, the fifth relay RE5, the sixth relay RE6 and the seventh relay RE7 are in a jog control mode; the eight-number relay RE8, the nine-number relay RE9, the ten-number relay RE10, the eleven-number relay RE11 and the twelve-number relay RE12 are in a self-locking control mode.

10. The automatic WY-100 III material transport vehicle and screen scarifier spacing adjusting system of claim 1, wherein: the relay control box and the distance sensor are installed through the installation plate.

The technical field is as follows:

the invention relates to an automatic adjusting system for the distance between a WY-100 III material transport vehicle and a screen scarifier.

Background art:

the ballast cleaning is to dig out the dirty ballast from the pillow bottom to 30-40 cm depth and screen, and the screened qualified ballast is filled back to the track and some new ballast is added to form a clean track bed. The cleaning of the sieve is an important means for recovering the performance of the ballast bed, and the sieve must be cleaned regularly especially in long-term passing sections of the slurry-turning and mud-pumping and coal and ore transporting trains.

In the road cleaning operation process, the material transport vehicle and the cleaning machine are important functional mechanical equipment, and the two types of equipment are matched with each other to jointly complete the road cleaning operation.

In the current large-scale road maintenance machinery, the relative distance between a screen scarifier and a material transport vehicle is difficult to keep in the screening construction process of railway lines; when the relative distance is small, the screen cleaning machine can push the material vehicle to operate, so that the screen cleaning operation progress can be influenced, and systems of the two devices can be damaged; when the relative interval is great, cause dirty soil to throw in the middle of the material car afterbody platform or way heart, increased the maintenance dynamics, influenced the operating efficiency, operation flow is loaded down with trivial details.

The invention content is as follows:

the embodiment of the invention provides an automatic adjusting system for the distance between a WY-100 III material transport vehicle and a screen scarifier, which has reasonable structural design, and is based on the control principle of a PLC (programmable logic controller) and a distance sensor, the running speed of the material transport vehicle is adjusted according to the relative distance between two devices, so that the relative distance between the two devices is ensured to be in a proper range, operators can be far away from the environment with severe dust pollution, the labor intensity is reduced, the working efficiency is improved, and the problems in the prior art are solved.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the automatic adjusting system for the distance between the WY-100 III material transport vehicle and the screen scarifier comprises a PLC (programmable logic controller), wherein a relay control box is connected to the PLC, and is used for adjusting the running state of the material transport vehicle; 12 paths of relays are arranged in the relay control box, and the first relay RE1 is used for realizing the switching between an automatic control mode and a manual control mode; the third relay RE3 is used for controlling the backward movement of the conveying belt of the material transport vehicle, and the fifth relay RE5 is used for controlling the forward movement of the material conveying belt; the fourth relay RE4 is used for realizing control of inclined protection unlocking of the throwing belt, the sixth relay RE6 is used for realizing control of ascending action of the throwing belt, the eighth relay RE8 is used for realizing control of descending action of the throwing belt, the seventh relay RE7 and the ninth relay RE9 are used for realizing control of forward rotation of the throwing belt, the tenth relay RE10 is used for realizing control of left movement action of the throwing belt, and the twelfth relay RE12 is used for realizing control of right movement action of the throwing belt; the No. eleven relay RE11 is used for controlling hydraulic braking; and a distance sensor is connected to the first relay RE1 and is used for detecting the relative distance between the material transport vehicle and the screen scarifier.

The system also comprises a remote controller matched with the relay control box.

The remote controller is provided with a brake key, a main front key, a main rear key, a throw front key, a throw rear key, a throw left key, a throw right key, a throw up key, a throw down key and an inclined unlocking key which are matched with the relay control box.

The brake key, the throw front key, the throw left key, the throw right key and the throw descending key are self-locking keys.

The main front key, the main rear key, the throw lifting key and the inclination unlocking key are click keys.

The relay control box is connected with a one-key cutting switch which is used for realizing the functions of a one-key cutting remote control system and an automatic tracking system.

Diodes D10 and D11 are arranged on the third relay RE3, and the diodes D10 and D11 are used for realizing electrical isolation; diodes D16 and D17 are arranged on the relay RE7, and the diodes D16 and D17 are used for realizing electrical isolation.

The distance sensor is a contact type distance sensor.

The first relay RE1 and the second relay RE2 are in an interlocking control mode; the third relay RE3, the fourth relay RE4, the fifth relay RE5, the sixth relay RE6 and the seventh relay RE7 are in a jog control mode; the eight-number relay RE8, the nine-number relay RE9, the ten-number relay RE10, the eleven-number relay RE11 and the twelve-number relay RE12 are in a self-locking control mode.

The relay control box and the distance sensor are installed through the installation plate.

By adopting the structure, a series of actions such as operation walking, left-right swinging of the throwing belt, up-down movement of the throwing belt and the like of the material transport vehicle can be realized by changing corresponding input and output signals of the PLC and the action of the relay control box; detecting the relative distance between the material transport vehicle and the screen scarifier through a distance sensor, and adjusting the traveling speed of the material transport vehicle according to a detected distance signal to keep the relative distance in a qualified range; the remote controller can realize the interconversion of two working modes of automatic control and manual control, meets the operation requirements of various operation working conditions, and has the advantages of high automation degree and strong practicability.

Description of the drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the relay control box of the present invention.

Fig. 3 is a schematic structural diagram of the remote controller of the present invention.

Fig. 4 is a schematic diagram of an improvement of the input mode of the present invention.

FIG. 5 is a schematic diagram of an improvement in the tape-out control of the present invention.

Fig. 6 is a schematic diagram of an improvement in the control of the conveyor belt of the present invention.

The specific implementation mode is as follows:

in order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.

As shown in fig. 1 to 6, the automatic adjustment system for the distance between the material transport vehicle WY-100 III and the screen scarifier comprises a PLC (programmable logic controller), wherein a relay control box is connected to the PLC, and is used for adjusting the running state of the material transport vehicle; 12 paths of relays are arranged in the relay control box, and the first relay RE1 is used for realizing the switching between an automatic control mode and a manual control mode; the third relay RE3 is used for controlling the backward movement of the conveying belt of the material transport vehicle, and the fifth relay RE5 is used for controlling the forward movement of the material conveying belt; the fourth relay RE4 is used for realizing control of inclined protection unlocking of the throwing belt, the sixth relay RE6 is used for realizing control of ascending action of the throwing belt, the eighth relay RE8 is used for realizing control of descending action of the throwing belt, the seventh relay RE7 and the ninth relay RE9 are used for realizing control of forward rotation of the throwing belt, the tenth relay RE10 is used for realizing control of left movement action of the throwing belt, and the twelfth relay RE12 is used for realizing control of right movement action of the throwing belt; the No. eleven relay RE11 is used for controlling hydraulic braking; and a distance sensor is connected to the first relay RE1 and is used for detecting the relative distance between the material transport vehicle and the screen scarifier.

The system also comprises a remote controller matched with the relay control box.

The remote controller is provided with a brake key, a main front key, a main rear key, a throw front key, a throw rear key, a throw left key, a throw right key, a throw up key, a throw down key and an inclined unlocking key which are matched with the relay control box.

The brake key, the throw front key, the throw left key, the throw right key and the throw descending key are self-locking keys.

The main front key, the main rear key, the throw lifting key and the inclination unlocking key are click keys.

The relay control box is connected with a one-key cutting switch which is used for realizing the functions of a one-key cutting remote control system and an automatic tracking system.

Diodes D10 and D11 are arranged on the third relay RE3, and the diodes D10 and D11 are used for realizing electrical isolation; diodes D16 and D17 are arranged on the relay RE7, and the diodes D16 and D17 are used for realizing electrical isolation.

The distance sensor is a contact type distance sensor.

The first relay RE1 and the second relay RE2 are in an interlocking control mode; the third relay RE3, the fourth relay RE4, the fifth relay RE5, the sixth relay RE6 and the seventh relay RE7 are in a jog control mode; the eight-number relay RE8, the nine-number relay RE9, the ten-number relay RE10, the eleven-number relay RE11 and the twelve-number relay RE12 are in a self-locking control mode.

The relay control box and the distance sensor are installed through the installation plate.

The working principle of the automatic adjusting system for the distance between the WY-100 III material transport vehicle and the screen scarifier in the embodiment of the invention is as follows: based on a PLC control principle and real-time detection and data transmission of a distance sensor, the operation walking and other actions of the material vehicle can be realized by changing corresponding input signals and output signals of the PLC, and the wireless control of the system can be realized by matching with a normally open contact or a normally closed contact of a relay in a relay control box; the change of the real-time relative distance between the material vehicle and the screen scarifier is fed back and input into the improved control system, so that the change of the traveling speed of the material vehicle is automatically controlled, the working intensity of workers is reduced, the working environment of operators is improved, and the working efficiency and the safety are improved.

The automatic adjusting system for the distance between the WY-100 III material transport vehicle and the screen scarifier in the embodiment of the invention mainly comprises an automatic distance adjusting function, a walking mode switching function, a wireless remote control function and a one-key cutting function.

For the automatic distance adjusting function, the relative distance between the material transport vehicle and the screen scarifier can be within a certain range, so that the cleaned soil can be accurately thrown into a hopper of the material transport vehicle; generally, firstly, a distance sensor is used for limiting the maximum relative distance and the minimum relative distance, and information parameters are converted and transmitted to a PLC (programmable logic controller); in the operation process, the distance sensor converts the changed voltage signal into the change for controlling the magnitude of the current of the traveling speed; during normal operation, the material transport vehicle can automatically adjust the speed of the vehicle to be consistent with that of the screen scarifier according to the distance; when the speed of the screen scarifier changes, the speed of the material transport vehicle also changes correspondingly, so that the automatic speed adjustment function of the material transport vehicle is realized; in a practical structure, the distance sensor is connected with a PLC controller through a potentiometer F13, a potentiometer F12 and a first relay RE 1.

For the running mode switching function, a remote controller can be used, and the relay RE1 in the relay control box can be matched to realize the mutual conversion of the automatic control mode and the manual control mode under the running mode of the material transport vehicle, so that when the running needs to be manually controlled for some reasons in the control process, the original manual control mode can be converted at any time according to the requirements of users, and the actual requirements of various operation conditions are met.

The relay control boxes of the automatic distance adjusting system of the WY-100 III material transport vehicle and the screen scarifier and the keys on the remote controller are arranged in a one-to-one correspondence manner, the response speed is high, and the system can be conveniently used by a user at any time and any place.

The wireless remote control function mainly comprises hydraulic braking and relieving, and the material transport vehicle can be stopped by remote control in emergency, so that the operation safety is ensured; the front and back control functions of the conveyer belt are also included, the loading condition of the front material transport vehicle can be observed in a cab in front of the screen scarifier, and the conveyer belt can be rotated forwards or backwards according to the actual amount of the dirty soil.

The remote controller can also control the action of the throwing belt, and corresponding control is carried out according to the requirements of a user so as to meet the requirements of actual operation; in order to ensure the safety of the remote control system, the system is also provided with a one-key cutting-off function, so that the functions of the one-key cutting-off remote control system and the automatic tracking system can be realized, the original design control is recovered, and the original structure is not influenced.

Hardware required by the automatic adjusting system for the distance between the WY-100 III material transport vehicle and the screen scarifier in the embodiment of the invention comprises a PLC (programmable logic controller), a relay control box, a remote controller, a distance sensor, a one-key cut-off switch, a connecting wire and the like.

12 relays are arranged in the relay control box, the working voltage is 24VDC, and the working states are self-locking, interlocking and the like; the remote controller is provided with 12 keys corresponding to the relay, the distance sensor is a contact distance sensor, the size is small, the vibration resistance is high, the stability is high, the precision is high, the hardware is mutually matched, and the PLC internal program is matched to complete corresponding actions.

In conclusion, the automatic adjusting system for the distance between the WY-100 III material transport vehicle and the screen cleaning machine in the embodiment of the invention can ensure that the screen cleaning construction operation is normally carried out under severe weather conditions, greatly reduces the labor intensity of operators, improves the working environment of the operators, reduces the workload and improves the coefficient of safety operation.

The above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.

The present invention is not described in detail, but is known to those skilled in the art.