CN101445211B - Anti-running linked braking system of logging winch - Google Patents
Anti-running linked braking system of logging winch Download PDFInfo
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- CN101445211B CN101445211B CN2008102275446A CN200810227544A CN101445211B CN 101445211 B CN101445211 B CN 101445211B CN 2008102275446 A CN2008102275446 A CN 2008102275446A CN 200810227544 A CN200810227544 A CN 200810227544A CN 101445211 B CN101445211 B CN 101445211B
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Abstract
The invention discloses an anti-running linked braking system of a logging winch. The anti-running linked braking system comprises a volume speed-modulating loop of a hydraulic system, a control part thereof and a pneumatic braking loop, and the control part is provided with a selection and pressure control loop and a control circuit. When a control pressure signal reaches or exceeds a first set value, the selection and pressure control loop converts the control pressure signal to a first electrical signal; when the control pressure signal reaches or exceeds the first set value and an output pressure signal of the volume speed-modulating loop reaches or exceeds a second set value, the selection and pressure control loop converts the output pressure signal to a second electrical signal; the control circuit is switched on when the first electrical signal and the second electrical signal both arrives, thereby controlling the electromagnetic directional pneumatic braking loop to release the braking. The invention establishes the mutual linkage of the action control of the hydraulic system of the logging winch and the action control of the pneumatic braking loop, and an operator can carry out the linked control of the pneumatic braking loop at the same time of carrying out the action control of the hydraulic system.
Description
Technical field
The present invention relates to a kind of brake technology of logging winch, specifically, relate to a kind of anti-running linked braking system of logging winch.
Background technology
In the prior art, the logging winch power system is made up of hydraulic efficiency pressure system and aerodynamic brake loop at present.
As shown in Figure 1, be the hydraulic schematic diagram of logging winch hydraulic efficiency pressure system in the prior art.In this logging winch hydraulic efficiency pressure system, volume speed-modulating loop is made up of two way variable displacement pump 1, double-action variable displacement motor 3, drives double-action variable displacement motor 3 by two way variable displacement pump 1 variable pressure oil output, realizes the running of logging winch.When two way variable displacement pump 1 variable is exported, propose or transfer action on the corresponding logging winch of the output of its output oil port A or B is corresponding.The effect of Hydraulic Pump 2 is that the control part for volume speed-modulating loop provides pressure oil-source, and the effect of coordinated type guide reducing valve 4 is the guide's control presssure oil that provides two way variable displacement pump 1 variable required when the operating personal M/C.
When the needs logging winch is exported, operating personal operations linkage formula guide reducing valve 4, when the control-oil pressure of coordinated type guide reducing valve 4 outputs meets or exceeds setting value, two way variable displacement pump 1 variable; The control presssure oil content of the corresponding delivery port A of coordinated type guide reducing valve 4 or B output is not controlled the output oil port A of two way variable displacement pump 1 or the output of B, and this control pressure signal can correctly reflect the control to two way variable displacement pump 1.When two way variable displacement pump 1 variable, export corresponding pressure oil, when pressure meets or exceeds setting value, the running of pressure oil CD-ROM drive motor, this pressure signal can reflect whether the output of two way variable displacement pump 1 is normal.
As shown in Figure 2, be the schematic diagram in logging winch aerodynamic brake loop in the prior art.Air compressor 5, hand change over valve 6 are formed the aerodynamic brake loop with brake cylinder 7.Air compressor 5 is used to the aerodynamic brake loop that the control source of the gas is provided, and hand change over valve 6 is used to switch on or off the control gas to brake cylinder 7, and brake cylinder 7 brakes when control gas is arranged.When hand change over valve 6 metas, brake cylinder 7 is through hand change over valve 6 meta off-loads and discharge brake; Then connect control gas to brake cylinder 7 during hand change over valve 6 commutations, brake cylinder 7 brakes under the effect of control gas.
But the hydraulic efficiency pressure system action control and the brake control of logging winch do not have interrelated.In logging operation, transfer to bed of interest when testing tool and propose well logging on need carrying out---when promptly needing logging winch output, discharge earlier brake carry out again winch on propose operation, and between two actions fully artificially factor control its convergence process.The convergence process of above-mentioned two actions can cause logging winch to slip car under the effect of instrument and cable load, may cause the damage of instrument and slip car for a long time.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of anti-running linked braking system of logging winch, sets up the hydraulic efficiency pressure system action control of logging winch and connecting each other of aerodynamic brake loop action control.
In order to address the above problem, the invention provides a kind of anti-running linked braking system of logging winch, the volume speed-modulating loop and control part and the pneumatic brake circuits that comprise hydraulic efficiency pressure system, described control part is used to generate control pressure signal, described volume speed-modulating loop is used to generate the delivery pressure signal, described aerodynamic brake loop is electromagnetic switch aerodynamic brake loop, and described control part is provided with selection and pressure control circuit and control circuit; When described control pressure signal met or exceeded first setting value, described selection and pressure control circuit were converted to first electric signal with described control pressure signal; When described control pressure signal meets or exceeds first setting value, and the delivery pressure signal of described volume speed-modulating loop is when meeting or exceeding second setting value, and described selection and pressure control circuit are converted to second electric signal with described delivery pressure signal; Described control circuit is connected when described first electric signal and second electric signal all arrive, and controls described electromagnetic switch aerodynamic brake loop and discharges brake.
Preferably, selection in the described volume speed-modulating loop control part and pressure control circuit comprise first shuttle valve and first pressure relay, two input hydraulic fluid ports of described first shuttle valve link to each other with B4 with two output oil port A4 of coordinated type guide reducing valve respectively, and the output oil port of described first shuttle valve links to each other with first pressure relay; When the arbitrary hydraulic fluid port pressure output control of coordinated type guide reducing valve signal, described first shuttle valve is used to select high-pressure oil passage and is switched to first pressure relay, and described first pressure relay is sender after the control pressure signal of coordinated type guide reducing valve output meets or exceeds first setting value; Selection in the described volume speed-modulating loop and pressure control circuit comprise second shuttle valve and second pressure relay, two input hydraulic fluid ports of described second shuttle valve link to each other with B with two output oil port A of two way variable displacement pump respectively, the output oil port of described second shuttle valve then links to each other with second pressure relay, described second shuttle valve is selected high-pressure oil passage and is switched to second pressure relay when the arbitrary hydraulic fluid port of two way variable displacement pump is exported, sender after the pressure signal when two way variable displacement pump output of described second pressure relay meets or exceeds second setting value; During the whole sender of described first pressure relay and second pressure relay, connect the control circuit in electromagnetic switch aerodynamic brake loop, discharge the logging winch brake.
Preferably, whether the control pressure signal that selection in the described volume speed-modulating loop control part and pressure control circuit are used to detect described coordinated type guide reducing valve output meets or exceeds first setting value, simultaneously, whether selection in the described volume speed-modulating loop and the pressure control circuit delivery pressure signal that is used to detect described two way variable displacement pump meets or exceeds described second setting value.
Preferably, described electromagnetic switch aerodynamic brake loop comprises: two-bit triplet solenoid directional control valve, adjustable one-way throttle valve, rapid-release valve and brake cylinder, described electromagnetic switch aerodynamic brake loop be located at Air compressor and brake cylinder between, and two-bit triplet solenoid directional control valve, adjustable one-way throttle valve and rapid-release valve serial connection.
Preferably, in described electromagnetic switch aerodynamic brake loop, the input port P12 of described two-bit triplet solenoid directional control valve links to each other with source of the gas, the input port P13 of delivery port A12 and described adjustable one-way throttle valve
1Link to each other; The input port P13 of described adjustable one-way throttle valve
1Link to each other the delivery port P13 of described adjustable one-way throttle valve with the delivery port A12 of described two-bit triplet solenoid directional control valve
2Link to each other with the input port A14 of rapid-release valve; The input port A14 of described rapid-release valve and the delivery port P13 of described adjustable one-way throttle valve
2Link to each other, delivery port B14 links to each other with the rodless cavity of described brake cylinder.
Preferably, the electromagnet side in the described two-bit triplet solenoid directional control valve is provided with the manual-operated emergent control lever.
Preferably, the magnet coil of described two-bit triplet solenoid directional control valve has been arranged in parallel afterflow protection diode; One end of the magnet coil of described two-bit triplet solenoid directional control valve links to each other with the anode of described afterflow protection diode, and the negative electrode ground connection in parallel of diode is protected in the described magnet coil other end and described afterflow; Described afterflow protection diode anode links to each other with an end of the described second pressure relay open contact.
Preferably, when described two-bit triplet solenoid directional control valve normality, be switched to the control gas of brake cylinder; When described two-bit triplet solenoid directional control valve gets electric commutation, be cut to the control gas of described brake cylinder.
The invention has the beneficial effects as follows:
Set up the hydraulic efficiency pressure system action control of logging winch and connecting each other of aerodynamic brake loop action control, when operating personal moves control to hydraulic efficiency pressure system when, hydraulic efficiency pressure system is exported and is generated corresponding pressure signal coordinated control is carried out in the aerodynamic brake loop, the brake of automatic release logging winch prevents the generation of winch slide car situation.
Description of drawings
Fig. 1 is the hydraulic schematic diagram of logging winch hydraulic efficiency pressure system in the prior art;
Fig. 2 is the schematic diagram in logging winch aerodynamic brake loop in the prior art.
Fig. 3 is the hydraulic schematic diagram of logging winch hydraulic efficiency pressure system among the present invention;
Fig. 4 is the schematic diagram in logging winch electromagnetic switch aerodynamic brake loop among the present invention;
Fig. 5 is the schematic diagram of logging winch control circuit among the present invention.
The specific embodiment
Among the present invention, the volume speed-modulating loop of hydraulic efficiency pressure system and control part thereof have increased selection and pressure control circuit on the original basis respectively, and manually operated aerodynamic brake loop is changed to electromagnetic switch aerodynamic brake loop.When operating personal moves control to hydraulic wireline winch, hydraulic efficiency pressure system volume speed-modulating loop control part output control corresponding pressure signal, when this control pressure signal met or exceeded first setting value, selection in the volume speed-modulating loop control part and pressure control circuit were converted to corresponding first electric signal with control pressure signal; When the control pressure signal of volume speed-modulating loop control part meets or exceeds setting value first setting value, and, when the pressure oil CD-ROM drive motor running of volume speed-modulating loop output, be volume speed-modulating loop delivery pressure signal when meeting or exceeding second setting value, selection in the volume speed-modulating loop and pressure control circuit are converted to corresponding second electric signal with the delivery pressure signal; Have only when above-mentioned first electric signal and second electric signal all arrive and to connect control circuit, coordinated control is carried out in electromagnetic switch aerodynamic brake loop, the brake of automatic release logging winch.
As shown in Figure 3, hydraulic schematic diagram for logging winch hydraulic efficiency pressure system among the present invention, form by shuttle valve 8 (first shuttle valve), pressure relay 9 (first pressure relay) at selection and pressure control circuit that hydraulic efficiency pressure system volume speed-modulating loop control part increases, the effect in this loop is: whether whether the control-oil pressure signal that detects 4 outputs of coordinated type guide reducing valve meets or exceeds first setting value, promptly reflect the control of two way variable displacement pump 1 normal.Form by shuttle valve 10 (second shuttle valve), pressure relay 11 (second pressure relay) at selection and pressure control circuit that the hydraulic efficiency pressure system volume speed-modulating loop increases, the effect in this loop is: whether the delivery pressure signal that detects two way variable displacement pump 1 meets or exceeds second setting value, reflects promptly whether the output of two way variable displacement pump 1 is normal.Detect above-mentioned control pressure signal and delivery pressure signal simultaneously and just can accurately judge the output action of logging winch, have only control pressure signal to meet or exceed first setting value when 4 outputs of coordinated type guide reducing valve, and when meeting or exceeding second setting value, the delivery pressure signal of two way variable displacement pump 1 output can connect control circuit, coordinated control is carried out in electromagnetic switch aerodynamic brake loop, the aerodynamic brake loop misoperation that causes when logging winch does not have output action when having avoided single pressure signal mistake.
In selection and pressure control circuit that hydraulic efficiency pressure system volume speed-modulating loop control part increases, two input hydraulic fluid ports of shuttle valve 8 link to each other with two output oil port A4, B4 of coordinated type guide reducing valve 4 respectively, and the output oil port of shuttle valve 8 then links to each other with pressure relay 9.When the arbitrary hydraulic fluid port pressure output control signal of coordinated type guide reducing valve 4, the effect of shuttle valve 8 is to select this high-pressure oil passage and be switched to pressure relay 9; The effect of pressure relay 9 is to send first electric signal to control circuit after the control pressure signal of coordinated type guide reducing valve 4 outputs meets or exceeds first setting value.In selection and pressure control circuit that volume speed-modulating loop increases, two input hydraulic fluid ports of shuttle valve 10 link to each other with B with two output oil port A of two way variable displacement pump 1 respectively, and the output oil port of shuttle valve 10 then links to each other with pressure relay 11.The effect of shuttle valve 10 is to select this high-pressure oil passage and be switched to pressure relay 11 when two way variable displacement pump 1 arbitrary hydraulic fluid port is exported; The effect of pressure relay 11 is to send second electric signal to control circuit after the delivery pressure signal of two way variable displacement pump 1 meets or exceeds second setting value.Connect the control circuit in electromagnetic switch aerodynamic brake loop during the whole sender of pressure relay 9 and pressure relay 11, the brake of automatic release logging winch.
As shown in Figure 4, schematic diagram for logging winch electromagnetic switch aerodynamic brake loop among the present invention, in electromagnetic switch aerodynamic brake loop, original manual reverse of direction loop of being made up of two-bit triplet hand change over valve 6 and brake cylinder 7 is changed into by two-bit triplet solenoid directional control valve 12, adjustable one-way throttle valve 13, the electromagnetic switch aerodynamic brake loop that rapid-release valve 14 and brake cylinder 7 are formed, electromagnetic switch aerodynamic brake loop be located at Air compressor 5 and brake cylinder 7 between, and two-bit triplet solenoid directional control valve 12, adjustable one-way throttle valve 13 and rapid-release valve 14 serial connections, the effect of two-bit triplet solenoid directional control valve 12 is that original hand-operated brake control is changed to self-actuating brake control, rapid-release valve 14 can guarantee the rapid release to brake, adjustable one-way throttle valve 13 can guarantee the speed setting to brake, soft braking.
In electromagnetic switch aerodynamic brake loop, the input port P12 mouth of two-bit triplet solenoid directional control valve 12 links to each other with source of the gas, the input port P13 of delivery port A12 mouth and adjustable one-way throttle valve 13
1Mouthful link to each other, its effect is that the M/C with original aerodynamic brake loop changes automatic guidance into.When two-bit triplet solenoid directional control valve 12 normalities, the control gas that is switched to brake cylinder 7 is realized brake; When two-bit triplet solenoid directional control valve 12 gets electric commutation, be cut to the control gas of brake cylinder 7, discharge brake.Electromagnet side in this two-bit triplet solenoid directional control valve 12 is provided with the manual-operated emergent control lever, when these two-bit triplet solenoid directional control valve 12 faults can not commutate, M/C can be controlled it, and avoiding can not discharging the logging winch that causes owing to braking can't normal operation.
The input port P13 of adjustable one-way throttle valve 13
1Link to each other the delivery port P13 of adjustable one-way throttle valve 13 with the delivery port A12 of two-bit triplet solenoid directional control valve 12
2Link to each other with the input port A14 of rapid-release valve 14.Adjustable one-way throttle valve 13 effects are: the flow of regulating control gas when logging winch transfers brake to by operative condition, thereby regulate the speed of brake, prevent because brake is too fast, the brake load causes the impact that hydraulic efficiency pressure system volume speed-modulating loop pressure raises and causes; Be provided with reverse check valve in this is adjustable one-way throttle valve 13, its effect be when control gas by delivery port P13
2To input port P13
1Oppositely by the time without restriction, when discharging brake, can guarantee to control the rapid release of gas.
The input port A14 of rapid-release valve 14 links to each other with the delivery port P132 mouth of adjustable one-way throttle valve 13, and delivery port B14 links to each other with the rodless cavity of brake cylinder 7.The effect of rapid-release valve 14 is: when control gas, will control gas and be switched to brake cylinder 7, to realize brake; When not controlling gas, the rapid release brake prevents because brake discharged impact slow, that the load of braking causes that hydraulic efficiency pressure system volume speed-modulating loop pressure raises and causes.
As shown in Figure 5, for the schematic diagram of logging winch control circuit among the present invention, in control circuit, open contact one end of pressure relay 9 links to each other with the 12V direct supply, the end polyphone of the other end and pressure relay 11 open contacts.The open contact one end polyphone of one end of pressure relay 11 open contacts and pressure relay 9, the end polyphone of the magnet coil YV12 of the other end and two-bit triplet solenoid directional control valve 12.The end of the magnet coil YV12 of two-bit triplet solenoid directional control valve 12 links to each other with the anode of electromagnet afterflow protection diode 15; afterflow is protected the anode of diode 15 and is linked to each other with an end of pressure relay 11 open contacts, and the magnet coil YV12 other end also is connected ground with the negative electrode of electromagnet afterflow protection diode 15.The anode of electromagnet afterflow protection diode 15 is in parallel with magnet coil YV12 one end in the two-bit triplet solenoid directional control valve and link to each other with an end of pressure relay 11 open contacts, the magnet coil YV12 other end ground connection in parallel in negative electrode and the described two-bit triplet solenoid directional control valve.
In control circuit, the open contact end of pressure relay 9 and the open contact end of pressure relay 11 polyphone, this polyphone setting can guarantee the control circuit in connection aerodynamic brake loop when the pressure signal of the control-oil pressure signal of coordinated type guide reducing valve in the detected hydraulic efficiency pressure system 4 output and two way variable displacement pump 1 output all meets or exceeds setting value, when having avoided single pressure signal mistake, the aerodynamic brake loop misoperation that causes when logging winch does not have output action.
The electromagnet afterflow that is provided with in circuit protection diode 15 be used for overcoming since the electromagnet action bring moment high back voltage to the infringement of circuit, play inference elimination and prolong the circuit component effect in service life.
Claims (8)
1. anti-running linked braking system of logging winch, the volume speed-modulating loop and control part and the pneumatic brake circuits that comprise hydraulic efficiency pressure system, described control part is used to generate control pressure signal, described volume speed-modulating loop is used to generate the delivery pressure signal, it is characterized in that, described aerodynamic brake loop is electromagnetic switch aerodynamic brake loop, and described control part is provided with selection and pressure control circuit and control circuit; When described control pressure signal met or exceeded first setting value, described selection and pressure control circuit were converted to first electric signal with described control pressure signal; When described control pressure signal meets or exceeds first setting value, and the delivery pressure signal of described volume speed-modulating loop is when meeting or exceeding second setting value, and described selection and pressure control circuit are converted to second electric signal with described delivery pressure signal; Described control circuit is connected when described first electric signal and second electric signal all arrive, and controls described electromagnetic switch aerodynamic brake loop and discharges brake.
2. anti-running linked braking system of logging winch as claimed in claim 1, it is characterized in that, selection in the described volume speed-modulating loop control part and pressure control circuit comprise first shuttle valve and first pressure relay, two input hydraulic fluid ports of described first shuttle valve link to each other with B4 with two output oil port A4 of coordinated type guide reducing valve respectively, and the output oil port of described first shuttle valve links to each other with first pressure relay; When the arbitrary hydraulic fluid port pressure output control of coordinated type guide reducing valve signal, described first shuttle valve is used to select high-pressure oil passage and is switched to first pressure relay, and described first pressure relay is sender after the control pressure signal of coordinated type guide reducing valve output meets or exceeds first setting value; Selection in the described volume speed-modulating loop and pressure control circuit comprise second shuttle valve and second pressure relay, two input hydraulic fluid ports of described second shuttle valve link to each other with B with two output oil port A of two way variable displacement pump respectively, the output oil port of described second shuttle valve then links to each other with second pressure relay, described second shuttle valve is selected high-pressure oil passage and is switched to second pressure relay when the arbitrary hydraulic fluid port of two way variable displacement pump is exported, sender after the pressure signal when two way variable displacement pump output of described second pressure relay meets or exceeds second setting value; During the whole sender of described first pressure relay and second pressure relay, connect the control circuit in electromagnetic switch aerodynamic brake loop, discharge the logging winch brake.
3. anti-running linked braking system of logging winch as claimed in claim 2, it is characterized in that, whether the control pressure signal that selection in the described volume speed-modulating loop control part and pressure control circuit are used to detect described coordinated type guide reducing valve output meets or exceeds first setting value, simultaneously, whether selection in the described volume speed-modulating loop and the pressure control circuit delivery pressure signal that is used to detect described two way variable displacement pump meets or exceeds described second setting value.
4. anti-running linked braking system of logging winch as claimed in claim 1, it is characterized in that, described electromagnetic switch aerodynamic brake loop comprises: two-bit triplet solenoid directional control valve, adjustable one-way throttle valve, rapid-release valve and brake cylinder, described electromagnetic switch aerodynamic brake loop be located at Air compressor and brake cylinder between, and two-bit triplet solenoid directional control valve, adjustable one-way throttle valve and rapid-release valve serial connection.
5. anti-running linked braking system of logging winch as claimed in claim 4, it is characterized in that, in described electromagnetic switch aerodynamic brake loop, the input port P (12) of described two-bit triplet solenoid directional control valve links to each other with source of the gas, the input port P (13 of delivery port A (12) and described adjustable one-way throttle valve
1) link to each other; The input port P (13 of described adjustable one-way throttle valve
1) link to each other the delivery port P (13 of described adjustable one-way throttle valve with the delivery port A (12) of described two-bit triplet solenoid directional control valve
2) link to each other with the input port A (14) of rapid-release valve; The input port A (14) of described rapid-release valve and the delivery port P (13 of described adjustable one-way throttle valve
2) link to each other, delivery port B (14) links to each other with the rodless cavity of described brake cylinder.
6. anti-running linked braking system of logging winch as claimed in claim 5 is characterized in that, the electromagnet side in the described two-bit triplet solenoid directional control valve is provided with the manual-operated emergent control lever.
7. anti-running linked braking system of logging winch as claimed in claim 4 is characterized in that, the magnet coil of described two-bit triplet solenoid directional control valve has been arranged in parallel afterflow protection diode; One end of the magnet coil of described two-bit triplet solenoid directional control valve links to each other with the anode of described afterflow protection diode, and the negative electrode ground connection in parallel of diode is protected in the described magnet coil other end and described afterflow; Described afterflow protection diode anode links to each other with an end of the described second pressure relay open contact.
8. as each described anti-running linked braking system of logging winch of claim 4 to 7, it is characterized in that, when described two-bit triplet solenoid directional control valve normality, be switched to the control gas of brake cylinder; When described two-bit triplet solenoid directional control valve gets electric commutation, be cut to the control gas of described brake cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102275446A CN101445211B (en) | 2008-11-27 | 2008-11-27 | Anti-running linked braking system of logging winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102275446A CN101445211B (en) | 2008-11-27 | 2008-11-27 | Anti-running linked braking system of logging winch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101445211A CN101445211A (en) | 2009-06-03 |
| CN101445211B true CN101445211B (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102275446A Expired - Fee Related CN101445211B (en) | 2008-11-27 | 2008-11-27 | Anti-running linked braking system of logging winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101445211B (en) |
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2008
- 2008-11-27 CN CN2008102275446A patent/CN101445211B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101445211A (en) | 2009-06-03 |
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Granted publication date: 20100825 Termination date: 20171127 |