CN205381892U - Ram quick -witted free fall hoist safety control system by force - Google Patents
Ram quick -witted free fall hoist safety control system by force Download PDFInfo
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- CN205381892U CN205381892U CN201521004314.5U CN201521004314U CN205381892U CN 205381892 U CN205381892 U CN 205381892U CN 201521004314 U CN201521004314 U CN 201521004314U CN 205381892 U CN205381892 U CN 205381892U
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Abstract
The utility model discloses a ram quick -witted free fall hoist safety control system by force, including free fall hoist (13), clutch (12) and clutch control oil circuit, clutch wash heat dissipation oil circuit (15) and quantitative gear pump (1), the clutch control oil circuit includes safety control (2) and connected energy storage ware (10) and check valve (11), safety control (2) can control valve (4) including putting the messenger soon, energy storage ware unloading valve (5), clutch open control valve (8) and clutch brake valve (9). This ram quick -witted free fall hoist safety control system by force can effectively guarantee to ram by force the electric safety of falling of quick -witted free fall hoist, the flame -out safety of engine and scram safety, aerial braking suddenly and lead to the cantilever crane rupture automobile body danger of tumbling even in the time of can effectively avoiding the ram to put soon, effectively prevent misuse arouses the danger that the ram was put soon, has guaranteed around the automobile body or the safety of personnel and equipment below the ram.
Description
Technical field
This utility model relates to a kind of dynamic compaction machinery and controls system, specifically a kind of dynamic compaction machinery freely falling body elevator safety control system.
Background technology
Dynamic compaction machinery is the common device in current basement process.Dynamic compaction machinery working mechanism is that hammer ram is promoted to certain altitude, then freely falling body is to ground, utilizes hammer ram potential energy that ground is produced powerful impact, reaches the purpose of consolidated subsoil.Unhook and the two kinds of working methods that do not break off relations can be divided into by hammer ram and suspension hook connected mode.The form of construction work that do not break off relations hoist rope is connected with hammer ram all the time, and therefore without repeating hook, required workmen is few, and working performance is high, applies more and more extensive.
Freely falling body hoisting mechanism is the core component of not dynamic compactor with unhooking, it is possible to achieve band load is put soon, is combined by Clutch Control reel and lifting speed reducing or separates.Hammer ram rises after rising to certain altitude, opens freely falling body elevator clutch, and hammer ram passes through hoist rope, and band movable reel is quickly transferred together；After hammer ram falls earthward, reel is braked by Guan Bi freely falling body elevator clutch.Not breaking off relations in work progress, elevator needs frequently to promote, put the hammer ram of tens tons of weighing soon.If hammer ram is let slip in journey soon, elevator clutch closes suddenly, and hammer ram will aloft be braked, and powerful impulsive force may result in the dynamic compactor arm frame even car body that fractures and tumbles；In addition when hammer ram aloft hovers, if pass is decontroled in maloperation soon, hammer ram is put soon, it is possible to people or thing to lower section damage；Thus it is guaranteed that the power down safety of dynamic compaction machinery freely falling body hoisting mechanism, flame-out safety, jerk are particularly important safely.
Utility model content
For above-mentioned prior art Problems existing, this utility model provides a kind of dynamic compaction machinery freely falling body elevator safety control system, it is possible to be effectively ensured the power down safety of strong rammer winding, engine misses safety and jerk safety.
To achieve these goals, this dynamic compaction machinery freely falling body elevator safety control system includes freely falling body elevator, clutch and clutch control oil, clutch rinses heat radiation oil circuit, the quantitative gear pump of Clutch Control oil is provided, and is connected to oil return line and the oil sump tank of clutch control oil and clutch；
Described clutch control oil includes safety control and connected accumulator and check valve；
Described clutch rinses heat radiation oil circuit one end and is connected with safety control, and the other end is connected with clutch；
Described safety control includes putting enable soon and controls valve, accumulator unloader, clutch opening controlling valve and clutch brake valve；
Described quantitative gear pump controls the valve described accumulator unloader of connection, clutch opening controlling valve and accumulator by putting enable soon；
Described safety control connects clutch respectively through clutch opening controlling valve and clutch brake valve, is provided with and puts in line check valve soon between described clutch opening controlling valve and clutch.
Further, described enable control valve of putting soon is two-bit triplet solenoid directional control valve, initial position hydraulic fluid port P communicates with hydraulic fluid port B, the described hydraulic fluid port P enabling control valve of putting soon is connected with the outlet of quantitative gear pump, hydraulic fluid port B and clutch rinse heat radiation oil circuit and are connected, and hydraulic fluid port A and the hydraulic fluid port P of clutch opening controlling valve, the hydraulic fluid port A of accumulator unloader and accumulator are connected.
Further, described accumulator unloader is 2/2-way solenoid directional control valve, and initial position hydraulic fluid port A communicates with hydraulic fluid port B, and hydraulic fluid port B rinses heat radiation oil circuit and is connected with clutch.
Further, described clutch opening controlling valve is proportional pressure-reducing valve, the hydraulic fluid port B of the hydraulic fluid port A correspondence safety control of clutch opening controlling valve, and described in line check valve of putting soon is located at the hydraulic fluid port B place of safety control, described in line check valve of putting soon is connected with the hydraulic fluid port P of clutch
Further, described clutch brake valve is 2/2-way solenoid directional control valve, and initial position hydraulic fluid port A and hydraulic fluid port B is obstructed, the hydraulic fluid port A correspondence safety control hydraulic fluid port A of clutch brake valve；The hydraulic fluid port A of described safety control is connected with clutch hydraulic fluid port P；The hydraulic fluid port S of described clutch rinses heat radiation oil circuit and is connected with clutch, and hydraulic fluid port T is connected with oil sump tank.
Further, the hydraulic fluid port T of described safety control is connected with oil sump tank, and connects gear pump and clutch flushing heat radiation oil circuit respectively by the safety overflow valve arranged.
Further, the hydraulic fluid port T place of described clutch opening controlling valve is provided with anti-backflow check valve one, the hydraulic fluid port T of the corresponding safety control of described anti-backflow check valve one.
Further, the hydraulic fluid port B place of described clutch brake valve is provided with anti-backflow check valve two, the hydraulic fluid port T of the corresponding safety control of described anti-backflow check valve two.
Compared with prior art, this dynamic compaction machinery freely falling body elevator safety control system can effectively ensure that the power down safety of dynamic compaction machinery freely falling body elevator, engine misses safety and jerk safety；Can be prevented effectively from and brake in the air suddenly when hammer ram is put soon and cause jib to fracture danger that even car body tumbles, it is possible to effectively prevent maloperation and the danger put soon of the hammer ram that causes, it is ensured that the safety of personnel and equipment around car body or below hammer ram.
Accompanying drawing explanation
Fig. 1 is control principle schematic diagram of the present utility model；
In figure: 1, quantitative gear pump, 2, safety control, 3, safety overflow valve, 4, put enable soon and control valve, 5, accumulator unloader, 6, anti-backflow check valve one, 7, anti-backflow check valve two, 8, clutch opening controlling valve, 9, clutch brake valve, 10, accumulator, 11, check valve, 12, elevator clutch, 13, freely falling body elevator, 14, oil sump tank, 15, clutch rinse heat radiation oil circuit.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further.
As shown in Figure 1, this dynamic compaction machinery freely falling body elevator safety control system includes freely falling body elevator 13, clutch 12 and clutch control oil, clutch rinses heat radiation oil circuit 15, the quantitative gear pump 1 of Clutch Control oil is provided, and is connected to oil return line and the oil sump tank 14 of clutch control oil and clutch flushing heat radiation oil circuit 15；
Described clutch control oil includes safety control 2 and connected accumulator 10 and check valve 11；
Described clutch rinses heat radiation oil circuit 15 one end and is connected with safety control 2, and the other end is connected with clutch 12；
Described safety control 2 includes putting enable soon and controls valve 4, accumulator unloader 5, clutch opening controlling valve 8 and clutch brake valve 9；
Described quantitative gear pump 1 connects described accumulator unloader 5, clutch opening controlling valve 8 and accumulator 10 by putting enable control valve 4 soon；
Described safety control 2 connects clutch 12 respectively through clutch opening controlling valve 8 and clutch brake valve 9, is provided with and puts in line check valve 11 soon between described clutch opening controlling valve 8 and clutch 12.
Described enable control valve 4 of putting soon is two-bit triplet solenoid directional control valve, initial position hydraulic fluid port P communicates with hydraulic fluid port B, the described hydraulic fluid port P enabling control valve 4 of putting soon is connected with the outlet of quantitative gear pump 1, hydraulic fluid port B and clutch rinse heat radiation oil circuit 15 and are connected, and hydraulic fluid port A and the hydraulic fluid port P of clutch opening controlling valve 8, the hydraulic fluid port A of accumulator unloader 5 and accumulator 10 are connected.
Described accumulator unloader 5 is 2/2-way solenoid directional control valve, and initial position hydraulic fluid port A communicates with hydraulic fluid port B, and hydraulic fluid port B rinses heat radiation oil circuit 15 and is connected with clutch.
Described clutch opening controlling valve 8 is proportional pressure-reducing valve, the hydraulic fluid port B of the hydraulic fluid port A correspondence safety control 2 of clutch opening controlling valve 8, described in line check valve 11 of putting soon is located at the hydraulic fluid port B place of safety control 2, and described in line check valve 11 of putting soon is connected with the hydraulic fluid port P of clutch 12
Described clutch brake valve 9 is 2/2-way solenoid directional control valve, and initial position hydraulic fluid port A and hydraulic fluid port B is obstructed, the hydraulic fluid port A correspondence safety control 2 hydraulic fluid port A of clutch brake valve 9；The hydraulic fluid port A of described safety control 2 is connected with clutch 12 hydraulic fluid port P；The hydraulic fluid port S of described clutch 12 rinses heat radiation oil circuit 15 and is connected with clutch, and hydraulic fluid port T is connected with oil sump tank 14.
The hydraulic fluid port T of described safety control 2 is connected with oil sump tank 14, and connects gear pump 1 and clutch flushing heat radiation oil circuit 15 respectively by the safety overflow valve 3 arranged.
The hydraulic fluid port T place of described clutch opening controlling valve 8 is provided with anti-backflow check valve 1, the hydraulic fluid port T of the corresponding safety control 2 of described anti-backflow check valve 1.Can effectively prevent from pressure oil from flowing backwards to enter in clutch 12.
The hydraulic fluid port B place of described clutch brake valve 9 is provided with anti-backflow check valve 27, the hydraulic fluid port T of the corresponding safety control 2 of described anti-backflow check valve 27.It is prevented from pressure oil to flow backwards in entrance clutch 12.
Put the electric magnet Y1 enabled in control valve 4 soon and put enable on-off control by one soon, controlled by the signal of telecommunication to put the commutation enabling control valve 4 soon.Putting the initial position hydraulic fluid port P enabling control valve 4 soon to communicate with hydraulic fluid port B, the now outlet of gear pump 1 is rinsed heat radiation oil circuit 15 and is connected with clutch, and it is inoperative that safety control 2 is in unloading condition；Press the electric magnet Y1 put soon after putting enable switch soon in enable control valve 4 and obtain electric, put enable control valve 4 soon to commutate, now put the hydraulic fluid port P enabling control valve 4 soon to communicate with hydraulic fluid port A, gear pump 1 outlet pressure oil is supplied to accumulator 10 and clutch opening controlling valve 8.Accumulator unloader 5 is by engine rotational speed signal control, and when electromotor does not have rotating speed, the electric magnet Y2 in accumulator unloader 5 must not be electric, is quickly discharged by the pressure oil within accumulator 10, puts control system soon inoperative；When engine work, the electric magnet Y2 in accumulator unloader 5 obtains electric, and accumulator unloader 5 commutates, and now the hydraulic fluid port A and hydraulic fluid port B of accumulator unloader 5 are obstructed, and accumulator 10 can store oil, put control system soon and work.Electric magnet Y3 in clutch opening controlling valve 8 is by current signal control, and the hydraulic fluid port A of clutch opening controlling valve 8 exports the pressure oil corresponding with current signal, and pressure oil enters clutch 12 through check valve 11 so that it is open, it is achieved elevator 13 puts action soon；Check valve 11 realizes clutch 12, and to open oil circuit unidirectional locked, stops clutch 12 to open pressure oil through clutch opening controlling valve 8 pressure release.Electric magnet Y4 in clutch brake valve 9 is controlled by hammer ram altitude signal, during initial position, the hydraulic fluid port A and hydraulic fluid port B of clutch brake valve 9 are obstructed, electric magnet Y4 obtain electric after, hydraulic fluid port A communicates with hydraulic fluid port B, clutch 12 opens pressure oil through clutch brake valve 9 pressure release, clutch 12 closes, it is achieved the braking of elevator 13.
The specific works process of this dynamic compaction machinery freely falling body elevator safety control system is as follows:
Put enable control valve 4 electric magnet Y1 soon and enabled on-off control by one, put enable control valve 4 after pressing enable switch soon and commutate, put control system soon by putting power source supply soon.Only enable switch to press, just can put operation soon, otherwise in any case elevator 13 all without putting soon, it is prevented that maloperation, it is ensured that the safety of maintainer, workmen around car body or below hammer ram.
When elevator is put soon, put electric magnet Y1, Y2, Y3 of enabling in control valve 4, accumulator unloader 5 and clutch opening controlling valve 8 soon and obtain electric, put enable control valve 4 soon, accumulator unloader 5 commutates, clutch opening controlling valve 8 pressure oil output, check valve 11 turns on, clutch 12 is opened, and elevator 13 is put soon, and hammer ram realizes freely falling body.If the now unexpected power-off of system, then all electric magnet dead electricity, all electromagnetic valves return to initial position, and clutch opening controlling valve 8 no longer provides pressure oil to clutch 12.Effect due to check valve 11, clutch 12 is opened oil circuit unidirectional locked, pressure oil opened by clutch 12 can not through clutch opening controlling valve 8 pressure release, the hydraulic fluid port A and hydraulic fluid port B of clutch brake valve 9 are obstructed simultaneously, pressure oil opened by clutch 12 can not through clutch brake valve 9 pressure release, clutch 12 is still in opening, and then ensure that elevator 13 continues to put soon, until hammer ram lands safely.Therefore, it is to avoid elevator 13 is being let slip in journey soon, jib that clutch 12 is braked suddenly and caused fractures even car body overthrow accident, it is ensured that the safety of elevator power down.
When dynamic compaction machinery breaks down, needs are flame-out to be overhauled, or electromotor accident extinguishing in work progress, and now elevator 13 is likely to be suspended in hammer ram in the air.The electric magnet Y2 of accumulator unloader 5 does not have rotating speed and dead electricity because of electromotor, accumulator unloader 5 resets, the hydraulic fluid port A of accumulator unloader 5 connects with hydraulic fluid port B, and the pressure oil within accumulator 10 rinses heat radiation oil circuit 15 through clutch and quickly discharges, and puts control system soon and loses pressure oil-source.If now controller powers on, even if pass is decontroled in maloperation soon, putting control system soon without working, elevator 13 will not be put soon, it is ensured that the safety of maintainer, workmen around car body or below hammer ram.Ensure that the safety that elevator is flame-out.
When pressing emergency stop switch, engine misses, controller is without any output, the electric magnet dead electricity of all electromagnetic valves.This utility model adds safety precautions, it is possible to ensure that elevator 13 is constantly in safe condition when emergent stop signal:
The first situation, elevator 13 is put soon, after pressing emergency stop switch, due to the effect of check valve 11, clutch 12 is opened oil circuit unidirectional locked, pressure oil opened by clutch 12 can not through clutch opening controlling valve 8 pressure release, the hydraulic fluid port A and hydraulic fluid port B of clutch brake valve 9 are obstructed simultaneously, and pressure oil opened by clutch 12 can not through clutch brake valve 9 pressure release, and clutch 12 is still in opening, and then ensure that elevator 13 continues to put soon, until hammer ram lands safely；
The second situation, hammer ram is suspended in the air by elevator 13, after pressing emergency stop switch, accumulator unloader 5 electric magnet Y2 dead electricity, accumulator unloader 5 resets, the hydraulic fluid port A of accumulator unloader 5 connects with hydraulic fluid port B, and the pressure oil within accumulator 10 rinses heat radiation oil circuit 15 through clutch and quickly discharges, and puts control system soon and loses pressure oil-source.If now controller powers on, even if pass is decontroled in maloperation soon, putting control system soon without working, elevator 13 will not be put soon, it is ensured that the safety of maintainer, workmen around car body or below hammer ram；
The third situation, elevator 13 is in and hoists or decline state, after pressing emergency stop switch, hoist motor stops operating, and elevator 13 stops lifting, hammer ram is still in a certain height and position, now due to accumulator unloader 5 electric magnet Y2 dead electricity, accumulator unloader 5 resets, and the hydraulic fluid port A of accumulator unloader 5 connects with hydraulic fluid port B, pressure oil within accumulator 10 rinses heat radiation oil circuit 15 through clutch and quickly discharges, and puts control system soon and loses pressure oil-source.If now controller powers on, even if pass is decontroled in maloperation soon, putting control system soon without working, elevator 13 will not be put soon, it is ensured that the safety of maintainer, workmen around car body or below hammer ram.
In sum, this dynamic compaction machinery freely falling body elevator safety control system can effectively ensure that the power down safety of dynamic compaction machinery freely falling body elevator, engine misses safety and jerk safety；Can be prevented effectively from and brake in the air suddenly when hammer ram is put soon and cause jib to fracture danger that even car body tumbles, it is possible to effectively prevent maloperation and the danger put soon of the hammer ram that causes, it is ensured that the safety of personnel and equipment around car body or below hammer ram.
Claims (8)
1. a dynamic compaction machinery freely falling body elevator safety control system, including freely falling body elevator (13), clutch (12) and clutch control oil, clutch rinses heat radiation oil circuit (15), the quantitative gear pump (1) of Clutch Control oil is provided, and is connected to oil return line and the oil sump tank (14) of clutch control oil and clutch (12)；
It is characterized in that, described clutch control oil includes safety control (2) and connected accumulator (10) and check valve (11)；
Described clutch rinses heat radiation oil circuit (15) one end and is connected with safety control (2), and the other end is connected with clutch (12)；
Described safety control (2) includes putting enable soon and controls valve (4), accumulator unloader (5), clutch opening controlling valve (8) and clutch brake valve (9)；
Described quantitative gear pump (1) connects described accumulator unloader (5), clutch opening controlling valve (8) and accumulator (10) by putting enable control valve (4) soon；
Described safety control (2) connects clutch (12) respectively through clutch opening controlling valve (8) and clutch brake valve (9), is provided with and puts in line check valve (11) soon between described clutch opening controlling valve (8) and clutch (12).
2. a kind of dynamic compaction machinery freely falling body elevator safety control system according to claim 1, it is characterised in that
Described enable control valve (4) of putting soon is two-bit triplet solenoid directional control valve, initial position hydraulic fluid port P communicates with hydraulic fluid port B, the described hydraulic fluid port P enabling control valve (4) of putting soon is connected with the outlet of quantitative gear pump (1), hydraulic fluid port B and clutch rinse heat radiation oil circuit (15) and are connected, and hydraulic fluid port A and the hydraulic fluid port P of clutch opening controlling valve (8), the hydraulic fluid port A of accumulator unloader (5) and accumulator (10) are connected.
3. a kind of dynamic compaction machinery freely falling body elevator safety control system according to claim 1, it is characterised in that
Described accumulator unloader (5) is 2/2-way solenoid directional control valve, and initial position hydraulic fluid port A communicates with hydraulic fluid port B, and hydraulic fluid port B rinses heat radiation oil circuit (15) with clutch and is connected.
4. a kind of dynamic compaction machinery freely falling body elevator safety control system according to claim 1, it is characterised in that
Described clutch opening controlling valve (8) is proportional pressure-reducing valve, the hydraulic fluid port B of hydraulic fluid port A correspondence safety control (2) of clutch opening controlling valve (8), described in line check valve (11) of putting soon is located at the hydraulic fluid port B place of safety control (2), and described in line check valve (11) of putting soon is connected with the hydraulic fluid port P of clutch (12).
5. a kind of dynamic compaction machinery freely falling body elevator safety control system according to claim 1, it is characterised in that
Described clutch brake valve (9) is 2/2-way solenoid directional control valve, and initial position hydraulic fluid port A and hydraulic fluid port B is obstructed, hydraulic fluid port A correspondence safety control (2) the hydraulic fluid port A of clutch brake valve (9)；The hydraulic fluid port A of described safety control (2) is connected with clutch (12) hydraulic fluid port P；The hydraulic fluid port S of described clutch (12) rinses heat radiation oil circuit (15) with clutch and is connected, and hydraulic fluid port T is connected with oil sump tank (14).
6. a kind of dynamic compaction machinery freely falling body elevator safety control system according to claim 1, it is characterised in that
The hydraulic fluid port T of described safety control (2) is connected with oil sump tank (14), and connects gear pump (1) and clutch flushing heat radiation oil circuit (15) respectively by the safety overflow valve (3) arranged.
7. a kind of dynamic compaction machinery freely falling body elevator safety control system according to claim 4, it is characterised in that
The hydraulic fluid port T place of described clutch opening controlling valve (8) is provided with anti-backflow check valve one (6), the hydraulic fluid port T of the corresponding safety control (2) of described anti-backflow check valve one (6).
8. a kind of dynamic compaction machinery freely falling body elevator safety control system according to claim 5, it is characterised in that
The hydraulic fluid port B place of described clutch brake valve (9) is provided with anti-backflow check valve two (7), the hydraulic fluid port T of the corresponding safety control (2) of described anti-backflow check valve two (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004314.5U CN205381892U (en) | 2015-12-07 | 2015-12-07 | Ram quick -witted free fall hoist safety control system by force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004314.5U CN205381892U (en) | 2015-12-07 | 2015-12-07 | Ram quick -witted free fall hoist safety control system by force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205381892U true CN205381892U (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521004314.5U Withdrawn - After Issue CN205381892U (en) | 2015-12-07 | 2015-12-07 | Ram quick -witted free fall hoist safety control system by force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205381892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417421A (en) * | 2015-12-07 | 2016-03-23 | 徐工集团工程机械股份有限公司 | Safety control system for free falling body winch of dynamic compaction device |
-
2015
- 2015-12-07 CN CN201521004314.5U patent/CN205381892U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417421A (en) * | 2015-12-07 | 2016-03-23 | 徐工集团工程机械股份有限公司 | Safety control system for free falling body winch of dynamic compaction device |
| CN105417421B (en) * | 2015-12-07 | 2018-05-11 | 徐工集团工程机械股份有限公司 | A kind of dynamic compaction machinery freely falling body elevator safety control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160713 Effective date of abandoning: 20180511 |