CN203284129U - Electrical system for controlling brake of dynamic compaction machine full-release winch - Google Patents

Electrical system for controlling brake of dynamic compaction machine full-release winch Download PDF

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Publication number
CN203284129U
CN203284129U CN2013202385584U CN201320238558U CN203284129U CN 203284129 U CN203284129 U CN 203284129U CN 2013202385584 U CN2013202385584 U CN 2013202385584U CN 201320238558 U CN201320238558 U CN 201320238558U CN 203284129 U CN203284129 U CN 203284129U
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China
Prior art keywords
dynamic compaction
programmable logic
logic controller
compaction machinery
height
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CN2013202385584U
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Inventor
吴法涛
刘灿伦
王惠民
高顺德
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TIANJIN SHANHE EQUIPMENT DEVELOPMENT Co Ltd
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TIANJIN SHANHE EQUIPMENT DEVELOPMENT Co Ltd
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Abstract

The utility model provides an electrical system for controlling brake of a dynamic compaction machine full-release winch. The electrical system comprises a height collection mechanism, a tension collection mechanism, a manual control switch, a programmable logic controller, an order output device, a display device, an actuating mechanism and a power supply unit. The electrical system for controlling brake of the dynamic compaction machine full-release winch has the advantages that the programmable logic controller is selected and used as the core of the control system, the brake opportunities of the dynamic compaction machine full-release winch are effectively controlled on the premise that existing devices on a dynamic compaction machine are utilized, and hardware cost of the system is not increased, and therefore the purposes that compacting efficiency at a time is improved, rope mixing of the winch is prevented, and the working life of the winch is prolonged are achieved. Due to the fact that the programmable logic controller is used in cooperation with a moment limiter, the accurate brake of the full-release winch can be timely and accurately achieved, cost can be reduced, and time needed by debugging is shortened.

Description

Control the electric system that dynamic compaction machinery discharges the elevator braking entirely
Technical field
The utility model belongs to technical field of engineering machinery, especially relates to a kind of dynamic compaction machinery of controlling and entirely discharges the electric system of elevator braking.
Background technology
Dynamic compaction machinery, in order to increase work efficiency, selects full release elevator as main lifting elevator usually.The full elevator that discharges is realized being connected between reel and hoist motor by power-transfer clutch.When normally hoisting, the power of hoist motor mouth acts on reel by power-transfer clutch, and reel provides tractive force to carry out the lifting of weight for being wound around superincumbent steel rope.In the hammer ram decentralization process,, in order to improve the work efficiency of dynamic compaction machinery, by power-transfer clutch, make reel and hoist motor separately, reel carries out the action of free releasing steel rope under the effect of the gravity of hammer ram.
Control to the elevator braking is the key factor that dynamic compaction machinery discharges the electric control system of elevator braking entirely.Braking too early, easily causes car load to lean forward, and causes safety misadventure; And braked evening, and easily cause the steel rope disorder cable, affect the work efficiency of dynamic compaction machinery.Now also there is no the control system of appearance for full release elevator, only have the control system to controlled falling bodies elevator, its main control strategies is:
After the pressurization of controlled falling bodies discharged, hoist motor carried out controlled falling bodies work, by the measurement pump with confession and falling bodies control cock, controls rope speed, can choice for use automatically controlled or manual operation control falling bodies speed.The control system of controlled falling bodies elevator is complicated, debugs more loaded down with trivial detailsly, and the cost cost is high.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of dynamic compaction machinery of controlling and entirely discharges the electric system of elevator braking, especially can in the situation that do not increase the system hardware cost, effectively control the braking opportunity of strong rammer winding.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of dynamic compaction machinery of controlling discharges the electric system of elevator braking entirely, comprising:
The height collecting mechanism, the hammer ram height and position of collection dynamic compaction machinery, provide the first height and position of hammer ram vertical motion and the second height and position of hammer ram down maneuver;
The pulling force collecting mechanism, gather the suffered pulling force of steel rope that connects hammer ram, provides steel rope to drive hammer ram and carry out the first value of thrust of vertical motion;
Hand control switch, have logical and disconnected two states, and climb command and the decline instruction of hammer ram are provided to Programmable Logic Controller;
Programmable Logic Controller, its input end connects respectively described height collecting mechanism, pulling force collecting mechanism and hand control switch, have the initial tensile force of setting value and set delay time, the described climb command of Programmable Logic Controller judgement, send the first action command to the instruction outdevice; Judge the size between described the first value of thrust and described setting initial tensile force value, in the situation that the first value of thrust is more than or equal to setting the initial tensile force value, recording described the first height and position is zero position, and will this moment as the starting point of setting delay time; After described setting delay time is reached home, judge described decline instruction, and send the second action command to the instruction outdevice; When described the second height and position arrived described zero position, with the starting point of this moment as described setting delay time, when described setting delay time was reached home, output the 3rd action command was to the instruction outdevice;
The instruction outdevice, connect described Programmable Logic Controller, receives successively described the first action command, the second action command and the 3rd action command, and drive successively the actuating unit action;
Display equipment, be connected with the mouth of Programmable Logic Controller;
Actuating unit, the and instruction outdevice connects, and controls enhancing action and the below action of described steel rope;
Power supply unit, connect pulling force collecting mechanism and Programmable Logic Controller;
Further, also comprise angle acquisition mechanism, gather the degreeof turn that described dynamic compaction machinery is got on the bus, its mouth is connected with the input end of described Programmable Logic Controller, and described angle acquisition mechanism provides the first angle value to described Programmable Logic Controller;
Further, described height collecting mechanism is altimeter coder, and the input end of described altimeter coder connects the hoist motor of described dynamic compaction machinery;
Further, described pulling force collecting mechanism comprises bearing pin sensor and limiter of moment, described bearing pin sensor be connected limiter of moment and connect respectively described power supply unit, described bearing pin sensor is positioned at the principal arm head of described dynamic compaction machinery, described bearing pin sensor contacts with described steel rope, the mouth of described bearing pin sensor connects described limiter of moment, and described limiter of moment is connected with described Programmable Logic Controller is two-way by the CAN bus;
Further, described hand control switch is rocker switch;
Further, described instruction outdevice is the switching value electromagnetic valve, the output head grounding of described switching value battery valve, and described switching value electromagnetic valve connects described actuating unit;
Further, described actuating unit is the elevator power-transfer clutch, and described elevator power-transfer clutch connects described steel rope by described hoist motor;
Further, described angle acquisition mechanism is rotary encoder, and its input end is connected with the centre revolving joint place of described dynamic compaction machinery.
advantage and the good effect that the utlity model has are: owing to adopting technique scheme, select Programmable Logic Controller as the control system core, utilize existing apparatus on dynamic compaction machinery, in the situation that do not increase the system hardware cost, effectively control the braking opportunity of strong rammer winding, thereby realized that the raising single rams efficiency, prevent the elevator disorder cable, improve the purpose of elevator work life, by being used in conjunction with of Programmable Logic Controller and limiter of moment, not only can guarantee the braking promptly and accurately of full release elevator, can also reduce costs, simplify the required time of debugging.
Description of drawings
Fig. 1 is the electrical structure schematic diagram of the present embodiment
The specific embodiment
As shown in Figure 1, the utility model provides a kind of dynamic compaction machinery of controlling entirely to discharge the electric system of elevator braking, comprise: the height collecting mechanism, it is altimeter coder, the input end of altimeter coder connects the hoist motor of dynamic compaction machinery, the height collecting mechanism gathers the hammer ram height and position of dynamic compaction machinery, and the first height and position of hammer ram vertical motion and the second height and position of hammer ram down maneuver are provided;
The pulling force collecting mechanism, comprise bearing pin sensor and limiter of moment, bearing pin sensor and limiter of moment connect respectively power supply unit, the bearing pin sensor is positioned at the principal arm head of dynamic compaction machinery, the bearing pin sensor contacts with described steel rope, the mouth coupling torque killer of bearing pin sensor, limiter of moment is connected with Programmable Logic Controller is two-way by the CAN bus, the bearing pin sensor gathers the suffered pulling force of steel rope, provides steel rope to drive hammer ram by limiter of moment to Programmable Logic Controller and carries out the first value of thrust of vertical motion;
Angle acquisition mechanism, be rotary encoder, its input end is connected with the centre revolving joint place of dynamic compaction machinery, and its mouth is connected with the input end of Programmable Logic Controller, rotary encoder gathers the degreeof turn that dynamic compaction machinery is got on the bus, and to described Programmable Logic Controller, provides the first angle value;
Hand control switch, namely rocker switch, have logical and disconnected two states, and climb command and the decline instruction of hammer ram are provided to Programmable Logic Controller;
Programmable Logic Controller, its input end connects respectively altimeter coder, limiter of moment, rotary encoder and rocker switch, has the initial tensile force of setting value and sets delay time, and its mouth and instruction outdevice connects;
The instruction outdevice is the switching value electromagnetic valve, the output head grounding of switching value electromagnetic valve, and the switching value electromagnetic valve also connects actuating unit;
Display equipment is Liquid Crystal Display;
Actuating unit is the elevator power-transfer clutch, and the elevator power-transfer clutch is controlled enhancing action and the below action of steel rope by hoist motor;
Power supply unit, connect pull pin axle sensor, limiter of moment and Programmable Logic Controller.
The working process of this example is as follows:
S01 sets the setting initial tensile force value of Programmable Logic Controller and sets delay time;
S02 manually controls the rocker switch action, and rocker switch provides climb command to Programmable Logic Controller, and Programmable Logic Controller receives climb command, and sends the first action command to the switching value electromagnetic valve;
S03 switching value solenoid control elevator power-transfer clutch is closed, and the closure of elevator power-transfer clutch makes hoist motor be connected with steel rope, and steel rope affects the hammer ram upward movement in the drive of hoist motor;
S04 bearing pin sensor gathers the first value of thrust that steel rope bears, and by limiter of moment, pass to Programmable Logic Controller, size between Programmable Logic Controller judgement the first value of thrust and setting initial tensile force value, in the situation that the first value of thrust is more than or equal to setting the initial tensile force value, record is zero position by the first height and position of altimeter coder collection, and will be at this moment as the starting point of setting delay time;
The first angle value that the collection of S05 rotary encoder is got on the bus, and passing to Programmable Logic Controller, Programmable Logic Controller is forbidden getting on the bus and is turned round, in a period of time of setting after delay time is reached home, manually control the rocker switch action, rocker switch provides the decline instruction to Programmable Logic Controller;
The S06 Programmable Logic Controller receives the decline instruction, and send the second action command to the switching value power-transfer clutch, the switching value power-transfer clutch disconnects and makes the disconnection that is connected between hoist motor and steel rope, and steel rope loses and drags down, and hammer ram carries out the movement of falling object under the effect of self gravitation;
The S07 altimeter coder gathers the second height and position of hammer ram in the free-falling body process of hammer ram, and the second height and position is sent to Programmable Logic Controller, Programmable Logic Controller judges whether the second height and position is zero position, when the second height and position is zero position, with the starting point of this moment as the setting delay time, when described delay time was reached home, output the 3rd action command was to referring to the switching value electromagnetic valve;
S08 switching value electromagnetic valve receives the 3rd action command and controls the elevator power-transfer clutch closed, and the closure of elevator power-transfer clutch makes hoist motor be connected with steel rope, and hoist motor provides application force upwards by steel rope to hammer ram, and hammer ram stops falling until static.
In above-mentioned steps S01 to S08, Liquid Crystal Display has demonstrated the setting value of thrust, has set delay time, dynamic compaction machinery mode of operation and the first angle value.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to be used to limiting practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., within all should still belonging to patent covering scope of the present utility model.

Claims (8)

1. control dynamic compaction machinery and entirely discharge the electric system of elevator braking for one kind, it is characterized in that, comprising:
The height collecting mechanism, the hammer ram height and position of collection dynamic compaction machinery, provide the first height and position of hammer ram vertical motion and the second height and position of hammer ram down maneuver;
The pulling force collecting mechanism, gather the suffered pulling force of steel rope that connects hammer ram, provides steel rope to drive hammer ram and carry out the first value of thrust of vertical motion;
Hand control switch, have logical and disconnected two states, and climb command and the decline instruction of hammer ram are provided to Programmable Logic Controller;
Programmable Logic Controller, its input end connects respectively described height collecting mechanism, pulling force collecting mechanism and hand control switch, have the initial tensile force of setting value and set delay time, the described climb command of Programmable Logic Controller judgement, send the first action command to the instruction outdevice; Judge the size between described the first value of thrust and described setting initial tensile force value, in the situation that the first value of thrust is more than or equal to setting the initial tensile force value, recording described the first height and position is zero position, and will this moment as the starting point of setting delay time; After described setting delay time is reached home, judge described decline instruction, and send the second action command to the instruction outdevice; When described the second height and position arrived described zero position, with the starting point of this moment as described setting delay time, when described setting delay time was reached home, output the 3rd action command was to the instruction outdevice;
The instruction outdevice, connect described Programmable Logic Controller, receives successively described the first action command, the second action command and the 3rd action command, and drive successively the actuating unit action;
Display equipment, be connected with the mouth of Programmable Logic Controller;
Actuating unit, the and instruction outdevice connects, and controls enhancing action and the below action of described steel rope;
Power supply unit, connect pulling force collecting mechanism and Programmable Logic Controller.
2. control dynamic compaction machinery according to claim 1 discharges the electric system of elevator braking entirely, it is characterized in that: also comprise angle acquisition mechanism, gather the degreeof turn that described dynamic compaction machinery is got on the bus, its mouth is connected with the input end of described Programmable Logic Controller, and described angle acquisition mechanism provides the first angle value to described Programmable Logic Controller.
3. control dynamic compaction machinery according to claim 1 discharges the electric system of elevator braking entirely, and it is characterized in that: described height collecting mechanism is altimeter coder, and the input end of described altimeter coder connects the hoist motor of described dynamic compaction machinery.
4. control dynamic compaction machinery according to claim 1 discharges the electric system of elevator braking entirely, it is characterized in that: described pulling force collecting mechanism comprises bearing pin sensor and limiter of moment, described bearing pin sensor be connected limiter of moment and connect respectively described power supply unit, described bearing pin sensor is positioned at the principal arm head of described dynamic compaction machinery, described bearing pin sensor contacts with described steel rope, the mouth of described bearing pin sensor connects described limiter of moment, and described limiter of moment is connected with described Programmable Logic Controller is two-way by the CAN bus.
5. control dynamic compaction machinery according to claim 1 discharges the electric system of elevator braking entirely, and it is characterized in that: described hand control switch is rocker switch.
6. control dynamic compaction machinery according to claim 3 discharges the electric system of elevator braking entirely, it is characterized in that: described instruction outdevice is the switching value electromagnetic valve, the output head grounding of described switching value battery valve, described switching value electromagnetic valve connects described actuating unit.
7. control dynamic compaction machinery according to claim 6 discharges the electric system of elevator braking entirely, and it is characterized in that: described actuating unit is the elevator power-transfer clutch, and described elevator power-transfer clutch connects described steel rope by described hoist motor.
8. control dynamic compaction machinery according to claim 2 discharges the electric system of elevator braking entirely, it is characterized in that: described angle acquisition mechanism is rotary encoder, and its input end is connected with the centre revolving joint place of described dynamic compaction machinery.
CN2013202385584U 2013-05-06 2013-05-06 Electrical system for controlling brake of dynamic compaction machine full-release winch Active CN203284129U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103253608A (en) * 2013-05-06 2013-08-21 天津山河装备开发有限公司 Electrical system controlling dynamic compactor full-release winding braking and working method thereof
CN103590432A (en) * 2013-11-22 2014-02-19 北京南车时代机车车辆机械有限公司 Strong ramming machine pile-forming monitoring device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103253608A (en) * 2013-05-06 2013-08-21 天津山河装备开发有限公司 Electrical system controlling dynamic compactor full-release winding braking and working method thereof
CN103253608B (en) * 2013-05-06 2015-07-08 天津山河装备开发有限公司 Electrical system controlling dynamic compactor full-release winding braking and working method thereof
CN103590432A (en) * 2013-11-22 2014-02-19 北京南车时代机车车辆机械有限公司 Strong ramming machine pile-forming monitoring device

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