CN213807874U

CN213807874U - Wireless remote control device for engine of hammer pile driver

Info

Publication number: CN213807874U
Application number: CN202021298057.1U
Authority: CN
Inventors: 尹有炉; 尹有鸿
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-07-27
Anticipated expiration: 2030-07-06

Abstract

A wireless remote control device used on a hammer type pile driver engine comprises a transmission mechanism 3, a control mechanism 1 and an actuator with an output end 4; one end of the transmission mechanism 3 is fixed on the output end 4, and the other end is fixed on an engine throttle control shaft 5; the control mechanism 1 comprises a remote controller 6, a signal receiver 7 and an electric control box 8 with a relay; the remote controller 6 is connected with the signal receiver 7 through wireless signals, the signal receiver 7 is connected with the electric control box 8 through electric signals, and the electric control box 8 is connected with the actuator through electric signals. The utility model discloses have following advantage: it can automatic control opening and closing of engine throttle control axle, avoids the workman to go to stimulate the rope and stir engine throttle control axle, has labour saving and time saving, the high advantage of security.

Description

Wireless remote control device for engine of hammer pile driver

Technical Field

The utility model relates to a hammer pile driver field, concretely relates to a wireless remote control device for on hammer pile driver engine.

Background

The hammer pile driver is a piling machine for driving pile into stratum by means of impact force, and is formed from pile hammer, pile frame and auxiliary equipment. The hammer type pile driver needs to change the size of an engine throttle frequently in the use process, so that the power (explosive force) of the engine is also changed, the bounce height and the striking force of the pile driver are controlled, and the pile driver meets the requirements of various working states.

In the prior art, a mode of changing (closing) an engine throttle is that a lever is arranged on an engine throttle control shaft of an engine, two ends of the lever are respectively tied with a rope, and the angle of the engine throttle control shaft is shifted by manually pulling the rope so as to realize the control of the size and closing of the engine throttle.

The above operation control method has the following disadvantages: 1) an operator pulling the rope is close to the hammer type pile driver, an engine (a pile driving hammer) is usually in jumping operation at a position (10-20 m high altitude) where a pile driver frame is very high, if the conditions of steel wire rope slipping, mechanical parts damage, falling, smashing and the like happen accidentally, serious accidents often happen, and therefore potential safety hazards exist; 2) and the operation of the engine throttle needs to independently occupy a labor force, so that the economy and the cost are not enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wireless remote control device for on hammer pile driver engine, fundamentally has changed the control operation mode of hammer pile driver engine, and the operator of pile driver engine throttle is observing the behavior of engine in the position far away from the pile driver, and the throttle of handheld wireless remote control engine changes its operating condition, and consequently the device uses and easily saves trouble again safely promptly.

The utility model aims at realizing the wireless remote control device used on the engine of the hammer type pile driver, which comprises a transmission mechanism, a control mechanism and an actuator with an output shaft; one end of the transmission mechanism is fixed on the output shaft, and the other end of the transmission mechanism is fixed on the engine throttle control shaft; the control mechanism comprises a remote controller, a signal receiver and an electric cabinet with a relay; the remote controller is connected with the signal receiver through a wireless signal, the signal receiver is connected with the electric cabinet through an electric signal, and the electric cabinet is connected with the actuator through an electric signal.

The utility model discloses in, the principle of opening and closing of engine throttle control shaft lies in: the control mechanism controls the output shaft of the actuator to do up-and-down or rotary motion, the output shaft of the actuator drives the transmission mechanism to move and finally drives the engine throttle control shaft to rotate, and the engine throttle control shaft is opened and closed. Avoid the workman to go to stimulate the rope and stir engine throttle control shaft, have labour saving and time saving, the high advantage of security.

The specific operation process is as follows

1. Engine throttle operating state change

When an operator needs to change the current working state of the engine throttle, a certain function key (throttle increasing or throttle reducing) of the remote controller is pressed, the remote controller sends a wireless instruction signal to the signal receiver, the signal receiver immediately transmits an electric signal to the electric control box after receiving the instruction, after the electric control box receives the signal, a relay power-on contact in the electric control box is closed, the actuator works and controls the roller to ascend or descend, the lever enables the engine throttle control shaft to rotate for a certain angle under the driving of the roller, the oil supply of the engine is changed, and the output power of the engine is correspondingly changed.

2. Engine throttle operating state maintenance

When an operator releases a button of the remote controller, the remote controller sends a cancel command signal to the signal receiver, the signal receiver transmits a corresponding cancel signal to the electric control box, a relay corresponding to the electric control box is electrified, a contact is disconnected, a circuit of the actuator is cut off, the operation is stopped, the position of an output shaft of the actuator is kept unchanged, and the positions of the roller and the lever are also kept unchanged, so that the position of an engine throttle control shaft is kept unchanged, the oil supply of the engine is also unchanged, and the engine can stably work under the state.

3. Shutdown

When the engine needs to be stopped, an operator presses a remote controller-accelerator button for a long time, the remote controller sends an electric signal of the accelerator to the signal receiver, the signal receiver transmits the received electric signal to the electric cabinet, a relay in the electric cabinet is closed, the actuator is electrified and drives an output shaft of the actuator to move upwards until the upper dead point to stop moving, the lever drives an engine accelerator control shaft to rotate until the engine accelerator is completely closed, and the engine stops working.

Due to the adoption of the technical scheme, the utility model discloses following advantage has: it can automatic control opening and closing of engine throttle control axle, avoids the workman to go to stimulate the rope and stir engine throttle control axle, has labour saving and time saving, the high advantage of security.

Drawings

The drawings of the utility model are as follows:

fig. 1 is a schematic front view of a wireless remote control device for a hammer pile driver engine according to the present invention.

FIG. 2 is a schematic top view of the actuator, transmission and engine throttle control shaft of FIG. 1.

Fig. 3 is another schematic front view of a wireless remote control device for a hammer pile driver engine according to the present invention.

FIG. 4 is another schematic top view of the actuator, transmission, and engine throttle control shaft of FIG. 3.

Fig. 5 is a schematic front view of another embodiment of the wireless remote control device for the engine of the hammer pile driver.

Fig. 6 is a schematic front view of the actuator, transmission and throttle control shaft of the engine of the present invention.

FIG. 7 is a top view of the actuator, transmission and engine throttle control shaft of FIG. 6.

In the figure: 1. a control mechanism; 3. a transmission mechanism; 4 an output shaft; 5. an engine throttle control shaft; 6. a remote controller; 7. a signal receiver; 8. an electric cabinet; 9. a roller; 10. a lever; 11. a chute; 12. a worm; 13. a worm gear; 14. a connecting rod; 15. a gear; 16. a rack; 17. a transmission rod; 18. a hydraulic system; 19. a hydraulic station; 20. a hydraulic cylinder; 21. an oil pipe; 22. a cylinder; 23. an electric motor.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in fig. 1 to 7, a wireless remote control device for a hammer type pile driver engine comprises a transmission mechanism 3, a control mechanism 1 and an actuator with an output shaft 4; one end of the transmission mechanism 3 is fixed on the output shaft 4, and the other end is fixed on the engine throttle control shaft 5; the control mechanism 1 comprises a remote controller 6, a signal receiver 7 and an electric control box 8 with a relay; the remote controller 6 is connected with the signal receiver 7 through wireless signals, the signal receiver 7 is connected with the electric control box 8 through electric signals, and the electric control box 8 is connected with the actuator through electric signals.

The utility model discloses in, the principle of opening and closing of engine throttle control shaft 5 lies in: the control mechanism 1 controls the output shaft 4 of the actuator to do up-and-down or rotating motion, the output shaft 4 of the actuator drives the transmission mechanism 3 to move and finally drives the engine throttle control shaft 5 to rotate, and the engine throttle control shaft 5 is opened and closed. Avoid the workman to go to stimulate the rope and stir engine throttle control shaft 5, have labour saving and time saving, the high advantage of security.

The specific operation process is as follows

1. Engine throttle operating state change

When an operator needs to change the current working state of the engine throttle, a certain function key (throttle increasing or throttle reducing) of the remote controller 6 is pressed, the remote controller 6 sends a wireless instruction signal to the signal receiver 7, the signal receiver immediately transmits an electric signal to the electric control box 8 after receiving the instruction, after the electric control box 8 receives the signal, a relay electrified contact in the electric control box 8 is closed, the actuator works and controls the roller 9 to ascend or descend, the lever 10 enables the engine throttle control shaft 5 to rotate for a certain angle under the driving of the roller 9, the oil supply of the engine is changed, and the output power of the engine is also correspondingly changed.

2. Engine throttle operating state maintenance

When an operator releases a button of the remote controller 6, the remote controller 6 sends an 'undo' instruction signal to the signal receiver 7, the signal receiver 7 transmits a corresponding 'undo' signal to the electric control box 8, a relay corresponding to the electric control box 8 is electrified and a contact is disconnected, a circuit of the actuator is cut off and stops working, the position of the output shaft 4 of the actuator is kept unchanged, the positions of the roller 9 and the lever 10 are also kept unchanged, therefore, the position of the throttle control shaft 5 of the engine is kept unchanged, the oil supply of the engine is also kept unchanged, and the engine can stably work under the state.

3. Shutdown

When the engine needs to be stopped, an operator presses a remote controller 6 ' -accelerator button for a long time, the remote controller 6 sends an electric signal of ' -accelerator ' to a signal receiver 7, the signal receiver 7 transmits the received electric signal to an electric cabinet 8, a relay in the electric cabinet 8 is closed, an actuator is powered on and drives an actuator output shaft 4 to move upwards until the actuator output shaft stops moving when reaching a top dead center, a lever 10 drives an engine accelerator control shaft 5 to rotate until an engine accelerator is completely closed, and the engine stops working.

In the present embodiment, the remote controller 6 is operated by hand movement of the operator; the signal receiver 7 is fixedly arranged on the shell of the electric cabinet 8; the electric cabinet 8 is arranged beside the operating platform of the pile driver or at other positions; the signal receiver 7 is connected with the electric control box 8 through a wire cable.

Further, the actuator is preferably a hydraulic system or a pneumatic system in which the output shaft 4 linearly moves. In the present embodiment, the actuator is a hydraulic system, the hydraulic system includes a hydraulic station 19 and a hydraulic cylinder 20 with a piston rod, and the hydraulic station 19 and the hydraulic cylinder 20 are communicated through an oil pipe 21. The hydraulic station 19 feeds hydraulic oil to a hydraulic cylinder 20 through an oil pipe 21, and drives a piston in the hydraulic cylinder 20 to ascend or descend. In another embodiment, the actuator is a pneumatic system, which may be a cylinder, and the output shaft 4 of the actuator is a piston rod of the cylinder 22; in other embodiments, the actuator is another actuator that can drive one end of the transmission mechanism to ascend or descend.

Further, the actuator is preferably a motor 23 for rotating the output shaft 4. In this preferred embodiment, the output shaft 4 is a rotating shaft of the motor 23.

Further, as a preferred scheme, as shown in fig. 1 and fig. 2, the transmission mechanism 3 includes a roller 9 and a lever 10 having a sliding slot 11 at one end, and the other end of the lever 10 is fixed on the engine throttle control shaft 5; the roller 9 is fixed on the output shaft 4 and is arranged in the sliding groove 11 in a sliding way. At this moment, the output shaft 4 of the actuator is a piston rod of a hydraulic system or a pneumatic system, when the hammer pile driver is used, the piston rod of the hydraulic system or the pneumatic system moves up and down to drive the roller 9 to move up and down, the roller 9 moves in the chute 11 to drive the lever 10 to swing, the lever 10 swings to drive the engine throttle control shaft 5 to rotate, the rotation of the engine throttle control shaft 5 is realized, and therefore the power of the hammer pile driver is changed. Compared with the transmission mechanism 3 in the form of the gear 15, the rack 16 and the worm wheel 13, the transmission mechanism 3 in the form of the roller 9 and the lever 10 has the advantages of simple structure and low manufacturing cost.

Further, as shown in fig. 3 and 4, the transmission mechanism 3 preferably includes a worm wheel 13 and a worm 12 fixed to the output shaft 4, the worm wheel 13 is engaged with the worm 12, and the worm wheel 13 is fixed to the engine throttle control shaft 5. To avoid interference between the pile driver and the components of the transmission, the worm gear 13 may be fixed to the engine throttle control shaft 5 by a connecting rod 14. The worm wheel 13 may be fixed to the engine throttle control shaft 5 by another structure or directly. At this time, the output shaft 4 is a rotating shaft of the motor 23, when in use, the rotating shaft of the motor 23 rotates to drive the worm 12 to rotate, the worm 12 rotates to drive the worm wheel 13 to rotate, and then the connecting rod 14 is used for transmission to realize the rotation of the engine throttle control shaft 5, so that the power of the hammer pile driver is changed.

Further, as a third preferable mode, as shown in fig. 5, 6 and 7, the transmission mechanism 3 includes a gear 15 and a rack 16 fixed on the output shaft 4, the gear 15 is engaged with the rack 16, and the gear 15 is fixed on the engine throttle control shaft 5. In order to avoid interference between the actuator and various parts in the transmission mechanism, the rack 16 is fixed on the output shaft 4 through the transmission rod 15; the rack 16 may also be fixed to the output shaft 4 by other structures or directly. The gear 15 may also be fixed to the engine throttle control shaft 5 by a lever or the like or directly. At this moment, the output shaft 4 is a piston rod of a hydraulic system or a pneumatic system, when the hammer pile driver is used, the piston rod of the hydraulic system or the pneumatic system moves up and down to drive the rack 16 to move up and down, the rack 16 moves to drive the gear 15 to rotate, the gear 15 drives the engine throttle control shaft 5 to rotate, the rotation of the engine throttle control shaft 5 is realized, and therefore the power of the hammer pile driver is changed.

In other embodiments, the transmission mechanism 3 can be a transmission mechanism with other structures besides the transmission mechanisms in the above three preferred solutions.

Claims

1. A wireless remote control device for hammer pile driver engine which characterized in that: comprises a transmission mechanism (3), a control mechanism (1) and an actuator with an output shaft (4); one end of the transmission mechanism (3) is fixed on the output shaft (4), and the other end is fixed on the engine throttle control shaft (5); the control mechanism (1) comprises a remote controller (6), a signal receiver (7) and an electric cabinet (8) with a relay; the remote controller (6) is connected with the signal receiver (7) through wireless signals, the signal receiver (7) is connected with the electric cabinet (8) through electric signals, and the electric cabinet (8) is connected with the actuator through electric signals.

2. The wireless remote control device for a hammer pile driver engine of claim 1, wherein: the actuator is a hydraulic system or a pneumatic system with an output shaft (4) moving linearly.

3. The wireless remote control device for a hammer pile driver engine of claim 1, wherein: the actuator is an electric motor (23) with an output shaft (4) rotating.

4. A wireless remote control device for a hammer pile driver engine as claimed in claim 1 or 2, wherein: the transmission mechanism (3) comprises a roller (9) and a lever (10) with one end provided with a sliding groove (11), and the other end of the lever (10) is fixed on the engine throttle control shaft (5); the roller (9) is fixed on the output shaft (4) and is arranged in the chute (11) in a sliding way.

5. A wireless remote control device for a hammer pile driver engine as claimed in claim 1 or 3, wherein: the transmission mechanism (3) comprises a worm wheel (13) and a worm (12) fixed on the output shaft (4), the worm wheel (13) is matched with the worm (12), and the worm wheel (13) is fixed on the engine throttle control shaft (5).

6. A wireless remote control device for a hammer pile driver engine as claimed in claim 1 or 2, wherein: the transmission mechanism (3) comprises a gear (15) and a rack (16) fixed on the output shaft (4), the gear (15) is meshed with the rack (16), and the gear (15) is fixed on the engine throttle control shaft (5).