CN103359594B - A kind of lock tank cage chair - Google Patents

A kind of lock tank cage chair Download PDF

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Publication number
CN103359594B
CN103359594B CN201310325648.1A CN201310325648A CN103359594B CN 103359594 B CN103359594 B CN 103359594B CN 201310325648 A CN201310325648 A CN 201310325648A CN 103359594 B CN103359594 B CN 103359594B
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China
Prior art keywords
oil cylinder
guide wheel
valve
tank
cage
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CN103359594A (en
Inventor
袁博
张勇刚
马民政
刘洁
车江舟
史秀宝
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Xian Coal Mining Machinery Co Ltd
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Xian Coal Mining Machinery Co Ltd
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Abstract

The invention discloses a kind of lock tank cage chair, comprise entry side platform, go out car side platform and be arranged on the lock tank arrangement on the first cage guide crossbeam and the second cage guide crossbeam, entry side platform is all provided with overlap joint rocking arm, claw and rocking arm oil cylinder and holder tank oil cylinder with going out on the platform of car side; Lock tank arrangement comprises fixed support and tank oil cylinder locked by the first lock tank oil cylinder and second be arranged on fixed support, the outer end of the first piston bar of the first lock tank oil cylinder connects the first slipper, the outer end of the second piston rod of the second lock tank oil cylinder connects the second slipper, and cage sidewall arranges brake disc.This lock tank cage chair can be avoided causing steel rope generation elastic elongation up or down during cage changes in weight, ensures that bogie is steadily into and out of cage, eliminates safe hidden trouble.

Description

A kind of lock tank cage chair
Technical field
The invention belongs to secondary mine shaft hoist system technical field, be specifically related to a kind of lock tank cage chair.
Background technology
Along with the target of coal mine to maximization, safety-type, high efficiency develops, the same large development of secondary mine shaft hoist system, embodies a concentrated expression of container dead weight and constantly increases, and maximumly reaches 50 ~ 70 tons, the corresponding increase of load-carrying of cage, Maximum Loading Capacity can reach more than 40 ~ 50 tons.The requirement of large deadweight and heavy-duty, especially heavy-duty equipment enter tank or go out tank after steel rope can produce elastic elongation downward or upward, the down-hole cage anchor point that mine is darker, steel rope elastic elongation amount is often larger, be greater than 400mm, the appearance of this phenomenon causes very large potential safety hazard to the running job of container, the vehicle equipment caused greatly as rocked is unstable, excessive fixed beam or other additional function equipment having influence on cage stop position place of bounce, problem of the hoisting cable pine that bounce causes greatly etc.And the turnover tank of such as transport vehicle requires higher to the stationarity of cage chair, these propose requirements at the higher level to the location of cage chair and the elastic compensating of steel rope.Therefore must lock cage when heavy-duty turnover car and possess the elastic compensating function of steel rope.Domestic lock tank arrangement in this regard at present, stability is inadequate on the one hand, elastic compensating will be cooperatively interacted by the action of gig and realize on the other hand, adds the complexity of course of action, adds the potential safety hazard brought of action maloperation, and accuracy of action is also difficult to ensure simultaneously.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, a kind of lock tank cage chair is provided.This lock tank cage chair can be avoided causing steel rope generation elastic elongation up or down during cage changes in weight, ensures that bogie is steadily into and out of cage, eliminates other potential safety hazards simultaneously.
For achieving the above object, the technical solution used in the present invention is: a kind of lock tank cage chair, it is characterized in that: comprise entry side platform, go out car side platform and to be arranged on the first cage guide crossbeam and the second cage guide crossbeam and lock tank arrangement for locking cage position, described entry side platform with go out car side platform is all provided with overlap joint rocking arm, claw and for the rocking arm oil cylinder that drives overlap joint rocking arm to overlap with cage or be separated with cage and for the holder tank oil cylinder driving claw to hold cage or to be separated with cage; Described lock tank arrangement comprises fixed support and tank oil cylinder locked by the first lock tank oil cylinder and second be arranged on fixed support, the outer end of the first piston bar of described first lock tank oil cylinder is connected with the first slipper, the outer end of the second piston rod of described second lock tank oil cylinder is connected with the second slipper, described cage sidewall is provided with the brake disc for stretching between the first slipper and the second slipper.
Above-mentioned one lock tank cage chair, it is characterized in that: between described first lock tank oil cylinder and the first slipper, be provided with the first retracing spring for making the first slipper reset, be provided with the second retracing spring for making the second slipper reset between described second lock tank oil cylinder and the second slipper, the rodless cavity of described first lock tank oil cylinder and the second lock tank oil cylinder all offers oil inlet and outlet.
Above-mentioned one lock tank cage chair, it is characterized in that: the outer end of described first piston bar is connected with the first slipper by the first connecting panel, the outer end of described second piston rod is connected with the second slipper by the second connecting panel, one end of described first retracing spring is connected with the first connecting panel, and the other end of described first retracing spring is connected with the first cylinder body locking tank oil cylinder; One end of described second retracing spring is connected with the second connecting panel, and the other end of described second retracing spring is connected with the second cylinder body locking tank oil cylinder.
Above-mentioned one lock tank cage chair, it is characterized in that: described fixed support is provided with the starting stave for installing the first lock tank oil cylinder and the second riser for installing the second lock tank oil cylinder, the top of described starting stave is provided with the first guide wheel, and the top of described second riser is provided with to match with the first guide wheel and for guiding brake disc to enter the second guide wheel between the first slipper and the second slipper from top to bottom; The bottom of described starting stave is provided with the 3rd guide wheel, and the bottom of described second riser is provided with to match with the first guide wheel and for guiding brake disc to enter the 4th guide wheel between the first slipper and the second slipper from bottom to top.
Above-mentioned one lock tank cage chair, is characterized in that: on described starting stave and the top being positioned at the first guide wheel is provided with the 5th guide wheel, on described second riser and the top being positioned at the second guide wheel is provided with the 6th guide wheel; On described starting stave and the below being positioned at the 3rd guide wheel is provided with the 7th guide wheel, on described second riser and the below being positioned at the 4th guide wheel is provided with the 8th guide wheel; Distance between described 5th guide wheel and the 6th guide wheel is greater than the distance between the first guide wheel and the second guide wheel, and the distance between described 7th guide wheel and the 8th guide wheel is greater than the distance between the 3rd guide wheel and the 4th guide wheel.
Above-mentioned one lock tank cage chair, is characterized in that: the piston rod of described rocking arm oil cylinder is connected by connecting rod one end with overlap joint rocking arm.
Above-mentioned one lock tank cage chair, it is characterized in that: also comprise hydraulic control system, described hydraulic control system comprises the first proportional reversing valve, the second proportional reversing valve, the first proportional pressure-reducing valve, the second proportional pressure-reducing valve, Bidirectional balanced valve, the first Hydraulic Pump and the second Hydraulic Pump, the oil inlet A1 of described first Hydraulic Pump is connected with fuel tank, the oil outlet B1 of described first Hydraulic Pump is connected with the oil inlet P 1 of the first proportional reversing valve, the actuator port A2 of described first proportional reversing valve is connected with the oil inlet P 2 of Bidirectional balanced valve, the actuator port A3 of described Bidirectional balanced valve is connected with the rodless cavity of holder tank oil cylinder, the actuator port B3 of described Bidirectional balanced valve is connected with the rod chamber of holder tank oil cylinder, the oil return inlet T 2 of described Bidirectional balanced valve is connected with the actuator port B2 of the first proportional reversing valve, the oil return inlet T 1 of described first proportional reversing valve is connected with fuel tank by oil return circuit, the oil outlet B1 of described first Hydraulic Pump is also connected with the oil inlet P 3 of the second proportional reversing valve, the actuator port A4 of described second proportional reversing valve is connected with the rodless cavity of rocking arm oil cylinder, the actuator port B4 of described second proportional reversing valve is connected with the rod chamber of rocking arm oil cylinder, the oil return inlet T 3 of described second proportional reversing valve is connected with oil return circuit, the actuator port A4 of described second proportional reversing valve and the connection oil circuit of rocking arm oil cylinder rodless cavity are connected to the first hydraulic control one-way valve, the actuator port B4 of described second proportional reversing valve and the connection oil circuit of rocking arm cylinder rod chamber are connected to the second hydraulic control one-way valve, described first hydraulic control one-way valve and the second hydraulic control one-way valve form hydraulic lock, the oil inlet A5 of described second Hydraulic Pump is communicated with fuel tank, the oil outlet B5 of described second Hydraulic Pump is connected with the oil inlet P 4 of the first proportional pressure-reducing valve, the actuator port A6 of described first proportional pressure-reducing valve is connected with the first rodless cavity locking tank oil cylinder, the oil return inlet T 4 of described first proportional pressure-reducing valve is connected with fuel tank, the oil outlet B5 of described second Hydraulic Pump is also connected with the oil inlet P 5 of the second proportional pressure-reducing valve, and the actuator port A7 of described second proportional pressure-reducing valve is connected with the second rodless cavity locking tank oil cylinder.
Above-mentioned one lock tank cage chair, is characterized in that: described oil return circuit is connected by the rodless cavity of release oil circuit with holder tank oil cylinder, and described release oil circuit is provided with switch valve.
Above-mentioned one lock tank cage chair, is characterized in that: described first Hydraulic Pump is plunger variable pump.
Above-mentioned one lock tank cage chair, it is characterized in that: comprise shuttle valve, the actuator port A8 of described shuttle valve is connected with the actuator port A3 of Bidirectional balanced valve, the actuator port B8 of described shuttle valve is connected with the actuator port A4 of the second proportional reversing valve, and the control port T8 of described shuttle valve is connected with the load feedback hydraulic fluid port X of the first Hydraulic Pump.
The present invention compared with prior art has the following advantages:
1, structure of the present invention is simple, rationally novel in design, is easy to install.
2, the present invention is by arranging lock tank arrangement, when cage unloads bogie or loads bogie, by the first brake disc and the coupling mechanism force between the second slipper and brake disc, avoid during cage changes in weight, causing steel rope generation elastic elongation up or down, ensure that bogie is steadily into and out of cage, eliminates other potential safety hazards simultaneously.
3, the present invention is by arranging the first guide wheel, the second guide wheel, the 3rd guide wheel and the 4th guide wheel, can conveniently be guided by brake disc enters between the first slipper and the second slipper, make lock tank arrangement use convenient, improve the validity that this lock tank arrangement uses.
4, the present invention is by arranging the 5th guide wheel and the 6th guide wheel and the 7th guide wheel and the 8th guide wheel, the brake disc producing skew can be guided enters in lock tank arrangement, can ensure that this lock tank arrangement adapts to actual working condition, further increase the validity that this lock tank arrangement uses.
5, the present invention is by arranging hydraulic control system, can ensure the smooth operation of rocking arm oil cylinder, holder tank oil cylinder and the first lock tank oil cylinder and the second lock tank oil cylinder.
6, of the present invention to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, structure of the present invention is simple, and rationally novel in design, functional reliability is high, long service life, and improve the safety that cage uses, its result of use is good, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is integral structure schematic diagram of the present invention.
Fig. 2 is entry side platform of the present invention and cage annexation schematic diagram when overlapping.
Fig. 3 is the birds-eye view of Fig. 2.
Fig. 4 is the structural representation that the present invention locks tank arrangement.
Fig. 5 is the birds-eye view of Fig. 4.
Fig. 6 is the position relationship schematic diagram that the present invention locks tank arrangement first retracing spring and the first slipper and the second retracing spring and the second slipper.
Fig. 7 is the structural representation of hydraulic control system of the present invention.
Description of reference numerals:
1-entry side platform; 2-overlap joint rocking arm; 3-the first cage guide crossbeam;
4-lock tank arrangement; 4-1-fixed support; 4-2-the first slipper;
4-3-the first locks tank oil cylinder; 4-4-starting stave; 4-5-the 5th guide wheel;
4-6-the first guide wheel; 4-7-the second guide wheel; 4-8-the 6th guide wheel;
4-9-the second riser; 4-10-the second locks tank oil cylinder; 4-11-the second slipper;
4-12-the 8th guide wheel; 4-13-the 4th guide wheel; 4-14-the 3rd guide wheel;
4-15-the 7th guide wheel; 4-16-the second retracing spring; 4-17-the first retracing spring;
4-18-the second piston rod; 4-19-first piston bar; 4-20-oil inlet and outlet;
4-21-the first connecting panel; 4-22-the second connecting panel; 5-go out car side platform;
6-the second cage guide crossbeam; 7-claw; 8-rocking arm oil cylinder;
9-holder tank oil cylinder; 10-cage; 11-brake disc;
12-connecting rod; 13-hydraulic control system; 13-1-fuel tank;
13-2-motor; 13-3-the first Hydraulic Pump; 13-4-the first check valve;
13-5-the first in-line filter; 13-6-the first by pass valve; 13-7-pressure meter switch;
13-8-compression indicator; 13-9-the first proportional reversing valve; 13-10-switch valve;
13-11-Bidirectional balanced valve; 13-12-release oil circuit; 13-13-one-way throttle valve;
13-14-shuttle valve; 13-15-hydraulic lock; 13-16-the first proportional pressure-reducing valve;
13-17-flow regulating valve; 13-18-oil return circuit; 13-19-the second proportional pressure-reducing valve;
13-20-the second proportional reversing valve; 13-21-the second by pass valve;
13-22-air filter; The wet meter of 13-23-liquid level; 13-24-the second in-line filter;
13-25-return filter; 13-26-the second check valve; 13-27-the second shutoff valve;
13-28-the second oil suction filter core; 13-29-the first oil suction filter core; 13-30-the first shutoff valve;
13-31-the second Hydraulic Pump.
Detailed description of the invention
One lock tank cage chair as shown in Fig. 1 ~ Fig. 5, comprise entry side platform 1, go out car side platform 5 and to be arranged on the first cage guide crossbeam 3 and the second cage guide crossbeam 6 and lock tank arrangement 4 for locking cage 10 position, described entry side platform 1 with go out car side platform 5 is all provided with overlap joint rocking arm 2, claw 7 and for the rocking arm oil cylinder 8 that drives overlap joint rocking arm 2 to overlap with cage 10 or be separated with cage 10 and the holder tank oil cylinder 9 for driving claw 7 to hold cage 10 or be separated with cage 10; Described lock tank arrangement 4 comprises fixed support 4-1 and is arranged on the first lock tank oil cylinder 4-3 and second lock tank oil cylinder 4-10 on fixed support 4-1, the outer end of the first piston bar 4-19 of described first lock tank oil cylinder 4-3 is connected with the first slipper 4-2, the outer end of the second piston rod 4-18 of described second lock tank oil cylinder 4-10 is connected with the second slipper 4-11, described cage 10 sidewall is provided with the brake disc 11 for stretching between the first slipper 4-2 and the second slipper 4-11.The piston rod of described rocking arm oil cylinder 8 is connected by connecting rod 12 one end with overlap joint rocking arm 2.
When the present embodiment uses, when the lower anchor point that cage 10 runs downwards, the crane speed reducing stopping gradually of cage 10, between the first slipper 4-2 that brake disc 11 on cage 10 extend into lock tank arrangement 4 and the second slipper 4-11, now the first lock tank oil cylinder 4-3 and second lock tank oil cylinder 4-10 does not work, not there is friction braking with brake disc 11 in the first slipper 4-2 and the second slipper 4-11, after cage 10 comes to a complete stop, holder tank oil cylinder 9 drives claw 7 will to hold bottom cage 10 and makes cage 10 upwards produce a section and moves, then rocking arm oil cylinder 8 drives overlap joint rocking arm 2 to overlap with cage 10, next, first lock tank oil cylinder 4-3 and second lock tank oil cylinder 4-10 works simultaneously, first piston bar 4-19 and the second piston rod 4-18 drives the first slipper 4-2 and the second slipper 4-11 stretch out and clamped by brake disc 11 respectively, lock tank arrangement 4 passes through the mating reaction of the first slipper 4-2 and the second slipper 4-11 and brake disc 11 by the locking position of cage 10, now, bogie in cage 10 rolls cage 10 away from from going out car side platform 5, at this moment, when sailing cage 10 into without other bogie, holder tank oil cylinder 9 drives claw 7 to be separated with cage 10, the oil pressure of the first lock tank oil cylinder 4-3 and second lock tank oil cylinder 4-10 slowly reduces rocking arm oil cylinder 8 simultaneously and drives overlap joint rocking arm 2 slowly to lift, following overlap joint rocking arm 2 lifts fast and departs from cage 10, lock tank arrangement 4 is opened the first slipper 4-2 completely and is separated with brake disc 11 with the second slipper 4-11, then cage 10 can run under the drive of crane, when there being bogie to enter cage 10 from entry side platform 1, rocking arm oil cylinder 8 drive overlap joint rocking arm 2 departs from cage 10, oil pressure of the first lock tank oil cylinder 4-3 and second lock tank oil cylinder 4-10 slowly reduces holder tank oil cylinder 9 simultaneously and drives claw 7 slowly to lift, then claw 7 falls fast and departs from cage 10, lock tank arrangement 4 is opened the first slipper 4-2 completely and is separated with brake disc 11 with the second slipper 4-11, and cage 10 can run under the drive of crane.The present embodiment is by arranging lock tank arrangement 4, when cage 10 unloads bogie or loads bogie, by the first slipper 4-2 and the coupling mechanism force between the second slipper 4-11 and brake disc 11, avoid during cage 10 changes in weight, causing steel rope generation elastic elongation up or down, ensure that bogie is steadily into and out of cage 10, eliminates other potential safety hazards simultaneously.
Composition graphs 4, Fig. 5 and Fig. 6, the first retracing spring 4-17 for making the first slipper 4-2 reset is provided with between described first lock tank oil cylinder 4-3 and the first slipper 4-2, be provided with the second retracing spring 4-16 for making the second slipper 4-11 reset between described second lock tank oil cylinder 4-10 and the second slipper 4-11, the rodless cavity of described first lock tank oil cylinder 4-3 and second lock tank oil cylinder 4-10 all offers oil inlet and outlet 4-20.
In the present embodiment, in a non-operative state, described first slipper 4-2 and the second slipper 4-11 keeps certain distance respectively under the pulling force effect of the first retracing spring 4-17 and the second retracing spring 4-16, when oily from the oil inlet and outlet 4-20 input hydraulic pressure of the first lock tank oil cylinder 4-3 and second lock tank oil cylinder 4-10 rodless cavity, under the effect of hydraulic oil, first piston bar 4-19 and the second piston rod 4-18 overcomes the spring force of the first retracing spring 4-17 and the second retracing spring 4-16 respectively, and drive the first slipper 4-2 and the second slipper 4-11 mutually to draw close respectively, thus brake disc 11 is clamped, brake disc 11 and between the first slipper 4-2 and the second slipper 4-11 static friction force effect under, prevent cage 10 from producing displacement up or down, actv. ensure that the coupling mechanism force to cage 10, when needing the locking removing lock tank arrangement 4 pairs of cages 10, slowly lay down the hydraulic fluid pressure that tank oil cylinder 4-3 and second lock tank oil cylinder 4-10 is locked in infeed first, the spring force of the first retracing spring 4-17 and the second retracing spring 4-16 overcomes hydraulic fluid pressure, first piston bar 4-19 and the second piston rod 4-18 constantly retracts, and take the first slipper 4-2 and the second slipper 4-11 to initial position respectively, relieve the coupling mechanism force of lock tank arrangement 4 pairs of cages 10.
As shown in Figure 4 and Figure 5, the outer end of described first piston bar 4-19 is connected with the first slipper 4-2 by the first connecting panel 4-21, the outer end of described second piston rod 4-18 is connected with the second slipper 4-11 by the second connecting panel 4-22, one end of described first retracing spring 4-17 is connected with the first connecting panel 4-21, and the cylinder body that the other end and first of described first retracing spring 4-17 locks tank oil cylinder 4-3 is connected; One end of described second retracing spring 4-16 is connected with the second connecting panel 4-22, and the cylinder body that the other end and second of described second retracing spring 4-16 locks tank oil cylinder 4-10 is connected.
As shown in Figure 4 and Figure 5, described fixed support 4-1 is provided with the starting stave 4-4 for installing the first lock tank oil cylinder 4-3 and the second riser 4-9 for installing the second lock tank oil cylinder 4-10, the top of described starting stave 4-4 is provided with the first guide wheel 4-6, and the top of described second riser 4-9 is provided with to match with the first guide wheel 4-6 and for guiding brake disc 11 to enter the second guide wheel 4-7 between the first slipper 4-2 and the second slipper 4-11 from top to bottom; The bottom of described starting stave 4-4 is provided with the 3rd guide wheel 4-14, and the bottom of described second riser 4-9 is provided with to match with the first guide wheel 4-6 and for guiding brake disc 11 to enter the 4th guide wheel 4-13 between the first slipper 4-2 and the second slipper 4-11 from bottom to top.
In the present embodiment, by arranging the first guide wheel 4-6 and the second guide wheel 4-7, conveniently brake disc 11 can be guided from top to bottom and entering between the first slipper 4-2 and the second slipper 4-11; By arranging the 3rd guide wheel 4-14 and the 4th guide wheel 4-13, can conveniently be guided from bottom to top by brake disc 11 enters between the first slipper 4-2 and the second slipper 4-11, make lock tank arrangement 4 use convenient, improve the validity that this lock tank arrangement 4 uses.The top and bottom of described brake disc 11 are wedge shape, enter lock tank arrangement 4 to facilitate.
As shown in Figure 4 and Figure 5, on described starting stave 4-4 and the top being positioned at the first guide wheel 4-6 is provided with the 5th guide wheel 4-5, on described second riser 4-9 and the top being positioned at the second guide wheel 4-7 is provided with the 6th guide wheel 4-8; On described starting stave 4-4 and the below being positioned at the 3rd guide wheel 4-14 is provided with the 7th guide wheel 4-15, on described second riser 4-9 and the below being positioned at the 4th guide wheel 4-13 is provided with the 8th guide wheel 4-12; Distance between described 5th guide wheel 4-5 and the 6th guide wheel 4-8 is greater than the distance between the first guide wheel 4-6 and the second guide wheel 4-7, and the distance between described 7th guide wheel 4-15 and the 8th guide wheel 4-12 is greater than the distance between the 3rd guide wheel 4-14 and the 4th guide wheel 4-13.
In the present embodiment, because cage 10 can produce certain rocking in operational process, brake disc 11 is caused to produce certain deviation with lock tank arrangement 4, by arranging the 5th guide wheel 4-5 and the 6th guide wheel 4-8, and distance between the 5th guide wheel 4-5 and the 6th guide wheel 4-8 is comparatively large, the brake disc 11 producing skew can be guided from top to bottom enter and lock in tank arrangement 4; By arranging the 7th guide wheel 4-15 and the 8th guide wheel 4-12, and distance between the 7th guide wheel 4-15 and the 8th guide wheel 4-12 is larger, the brake disc 11 producing skew can be guided from bottom to top and enter in lock tank arrangement 4, can ensure that this lock tank arrangement 4 adapts to actual working condition.
As shown in Figure 7, this lock tank cage chair also comprises hydraulic control system 13, and described hydraulic control system 13 comprises the first proportional reversing valve 13-9, the second proportional reversing valve 13-20, the first proportional pressure-reducing valve 13-16, the second proportional pressure-reducing valve 13-19, Bidirectional balanced valve 13-11, the first Hydraulic Pump 13-3 and the second Hydraulic Pump 13-31, the oil inlet A1 of described first Hydraulic Pump 13-3 is connected with fuel tank 13-1, the oil outlet B1 of described first Hydraulic Pump 13-3 is connected with the oil inlet P 1 of the first proportional reversing valve 13-9, the described actuator port A2 of the first proportional reversing valve 13-9 is connected with the oil inlet P 2 of Bidirectional balanced valve 13-11, the actuator port A3 of described Bidirectional balanced valve 13-11 is connected with the rodless cavity of holder tank oil cylinder 9, the actuator port B3 of described Bidirectional balanced valve 13-11 is connected with the rod chamber of holder tank oil cylinder 9, the oil return inlet T 2 of described Bidirectional balanced valve 13-11 is connected with the actuator port B2 of the first proportional reversing valve 13-9, the oil return inlet T 1 of described first proportional reversing valve 13-9 is connected with fuel tank 13-1 by oil return circuit 13-18, the oil outlet B1 of described first Hydraulic Pump 13-3 is also connected with the oil inlet P 3 of the second proportional reversing valve 13-20, the actuator port A4 of described second proportional reversing valve 13-20 is connected with the rodless cavity of rocking arm oil cylinder 8, the actuator port B4 of described second proportional reversing valve 13-20 is connected with the rod chamber of rocking arm oil cylinder 8, the oil return inlet T 3 of described second proportional reversing valve 13-20 is connected with oil return circuit 13-18, the actuator port A4 of described second proportional reversing valve 13-20 and the connection oil circuit of rocking arm oil cylinder 8 rodless cavity are connected to the first hydraulic control one-way valve, the actuator port B4 of described second proportional reversing valve 13-20 and the connection oil circuit of rocking arm oil cylinder 8 rod chamber are connected to the second hydraulic control one-way valve, described first hydraulic control one-way valve and the second hydraulic control one-way valve form hydraulic lock 13-15, the oil inlet A5 of described second Hydraulic Pump 13-31 is communicated with fuel tank 13-1, the oil outlet B5 of described second Hydraulic Pump 13-31 is connected with the oil inlet P 4 of the first proportional pressure-reducing valve 13-16, the rodless cavity that the actuator port A6 and first of described first proportional pressure-reducing valve 13-16 locks tank oil cylinder 4-3 is connected, the oil return inlet T 4 of described first proportional pressure-reducing valve 13-16 is connected with fuel tank 13-1, the oil outlet B5 of described second Hydraulic Pump 13-13 is also connected with the oil inlet P 5 of the second proportional pressure-reducing valve 13-19, the rodless cavity that the actuator port A7 and second of described second proportional pressure-reducing valve 13-19 locks tank oil cylinder 4-10 is connected.
In the present embodiment, described entry side platform 1 is one with the quantity going out car side platform 5 upper rocker arm oil cylinder 8; quantity of rocking arm oil cylinder 8 is total up to two; described entry side platform 1 is two with the quantity going out car side platform 5 pop-up tank oil cylinder 9; quantity of holder tank oil cylinder 9 is total up to four; described first cage guide crossbeam 3 is provided with two lock tank arrangements 4, and described second cage guide crossbeam 6 is provided with two lock tank arrangements 4, the quantity of locking tank arrangement 4 is total up to four.
When the present embodiment uses, the control of hydraulic control system 13 to holder tank oil cylinder 9 is such: open the first shutoff valve 13-30, motor 13-2 drives the first Hydraulic Pump 13-3, hydraulic oil enters the first Hydraulic Pump 13-3 from fuel tank 13-1 through the first oil suction filter core 13-29, the hydraulic oil exported from the first Hydraulic Pump 13-3 enters the first proportional reversing valve 13-9 through the first check valve 13-4 and the first in-line filter 13-5 successively, the hydraulic oil exported from the first proportional reversing valve 13-9 enters the rod chamber of holder tank oil cylinder 9 and rodless cavity respectively through Bidirectional balanced valve 13-11 thus controls stretching out or retracting of holder tank oil cylinder 9 piston rod, Bidirectional balanced valve 13-11 and the connection oil circuit of the rod chamber of holder tank oil cylinder 9 are connected to one-way throttle valve 13-13, first in-line filter 13-5 is connected with oil return circuit 13-18 by the first by pass valve 13-6, hydraulic control system 13 pairs of rocking arm oil cylinders 8 control to be such: the hydraulic oil after the first in-line filter 13-5 filters enters the second proportional reversing valve 13-20 from branch road, the hydraulic oil entering the second proportional reversing valve 13-20 enters rod chamber and the rodless cavity of rocking arm oil cylinder 8 respectively through hydraulic lock 13-15, thus control stretching out or retracting of rocking arm oil cylinder 8 piston rod, the connection oil circuit of hydraulic lock 13-15 and rocking arm oil cylinder 8 rodless cavity is connected to flow regulating valve 13-17, the control of hydraulic control system 13 to the first lock tank oil cylinder 4-3 and second lock tank oil cylinder 4-10 is such: the first Hydraulic Pump 13-3 and the second Hydraulic Pump 13-31 forms twin pump, open the second shutoff valve 13-27, hydraulic oil enters the second Hydraulic Pump 13-31 from fuel tank 13-1 through the second oil suction filter core 13-28, the hydraulic oil exported from the second Hydraulic Pump 13-31 enters the first proportional pressure-reducing valve 13-16 and the second proportional pressure-reducing valve 13-19 through the second check valve 13-26 and the second in-line filter 13-24 successively, the oil return inlet T 4 of described first proportional pressure-reducing valve 13-16 is connected with fuel tank 13-1 with the oil return inlet T 5 of the second proportional pressure-reducing valve 13-19, second in-line filter 13-24 is connected with oil return circuit 13-18 by the second by pass valve 13-21.In the present embodiment, achieving extension and contraction control to holder tank oil cylinder 9 piston rod by arranging the first proportional reversing valve 13-9, can lock the position of holder tank oil cylinder 9 piston rod by arranging Bidirectional balanced valve 13-11; Extension and contraction control to rocking arm oil cylinder 8 piston rod is achieved by arranging the second proportional reversing valve 13-20, can to the extension and contraction control of rocking arm oil cylinder 8 piston rod by arranging hydraulic lock 13-15; Achieve Quick-pressing to the first lock tank oil cylinder 4-3 and second lock tank oil cylinder 4-10 and slow release by arranging the first proportional pressure-reducing valve 13-16 and the second proportional pressure-reducing valve 13-19, this hydraulic control system 13 is stable, and result of use is good.
In the present embodiment, the connection oil circuit of described first ratio commutation 13-9 and the first in-line filter 13-5 is connected to compression indicator 13-8 and pressure meter switch 13-7, described fuel tank 13-1 is provided with air filter 13-22 and liquid level wet meter 13-23, described oil return circuit 13-18 is provided with return filter 13-25.
As shown in Figure 7, described oil return circuit 13-18 is connected with the rodless cavity of holder tank oil cylinder 9 by release oil circuit 13-12, and described release oil circuit 13-12 is provided with switch valve 13-10.By arranging release oil circuit 13-12 and switch valve 13-10, cause Bidirectional balanced valve 13-11 to pin when there is maloperation, now, switch valve 13-10 opens, the hydraulic oil entering the rodless cavity of holder tank oil cylinder 9 enters oil return circuit 13-18 by release oil circuit 13-12, thus the retraction of holder tank oil cylinder 9 piston rod is resetted, further ensure the stability that this hydraulic control system 13 is run.
As shown in Figure 7, described hydraulic control system 13 also comprises shuttle valve 13-14, the actuator port A8 of described shuttle valve 13-14 is connected with the actuator port A3 of Bidirectional balanced valve 13-11, the actuator port B8 of described shuttle valve 13-14 is connected with the actuator port A4 of the second proportional reversing valve 13-20, and the control port T8 of described shuttle valve 13-14 is connected with the load feedback hydraulic fluid port X of the first Hydraulic Pump 13-3.In the present embodiment, described first Hydraulic Pump 13-3 is plunger variable pump.By arranging shuttle valve 13-14, forming pressure detection loop and feeding back to the first Hydraulic Pump 13-3, realizing energy-conservation.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solution of the present invention.

Claims (6)

1. a lock tank cage chair, it is characterized in that: comprise entry side platform (1), go out car side platform (5) and be arranged on the upper and lock tank arrangement (4) for locking cage (10) position of the first cage guide crossbeam (3) and the second cage guide crossbeam (6), described entry side platform (1) and go out car side platform (5) to be all provided with overlap joint rocking arm (2), claw (7) and the rocking arm oil cylinder (8) for driving overlap joint rocking arm (2) to overlap with cage (10) or be separated with cage (10) and the holder tank oil cylinder (9) for driving claw (7) to hold cage (10) or be separated with cage (10), described lock tank arrangement (4) comprises fixed support (4-1) and tank oil cylinder (4-10) locked by the first lock tank oil cylinder (4-3) and second be arranged on fixed support (4-1), the outer end of the first piston bar (4-19) of described first lock tank oil cylinder (4-3) is connected with the first slipper (4-2), the outer end of second piston rod (4-18) of described second lock tank oil cylinder (4-10) is connected with the second slipper (4-11), described cage (10) sidewall is provided with the brake disc (11) for stretching between the first slipper (4-2) and the second slipper (4-11), the first retracing spring (4-17) for making the first slipper (4-2) reset is provided with between described first lock tank oil cylinder (4-3) and the first slipper (4-2), be provided with the second retracing spring (4-16) for making the second slipper (4-11) reset between described second lock tank oil cylinder (4-10) and the second slipper (4-11), the rodless cavity of described first lock tank oil cylinder (4-3) and the second lock tank oil cylinder (4-10) all offers oil inlet and outlet (4-20), the outer end of described first piston bar (4-19) is connected with the first slipper (4-2) by the first connecting panel (4-21), the outer end of described second piston rod (4-18) is connected with the second slipper (4-11) by the second connecting panel (4-22), one end of described first retracing spring (4-17) is connected with the first connecting panel (4-21), and the cylinder body that the other end and first of described first retracing spring (4-17) locks tank oil cylinder (4-3) is connected, one end of described second retracing spring (4-16) is connected with the second connecting panel (4-22), and the cylinder body that the other end and second of described second retracing spring (4-16) locks tank oil cylinder (4-10) is connected,
The piston rod of described rocking arm oil cylinder (8) is connected by connecting rod (12) one end with overlap joint rocking arm (2);
Also comprise hydraulic control system (13), described hydraulic control system (13) comprises the first proportional reversing valve (13-9), the second proportional reversing valve (13-20), the first proportional pressure-reducing valve (13-16), the second proportional pressure-reducing valve (13-19), Bidirectional balanced valve (13-11), the first Hydraulic Pump (13-3) and the second Hydraulic Pump (13-31), the oil inlet A1 of described first Hydraulic Pump (13-3) is connected with fuel tank (13-1), the oil outlet B1 of described first Hydraulic Pump (13-3) is connected with the oil inlet P 1 of the first proportional reversing valve (13-9), the actuator port A2 of described first proportional reversing valve (13-9) is connected with the oil inlet P 2 of Bidirectional balanced valve (13-11), the actuator port A3 of described Bidirectional balanced valve (13-11) is connected with the rodless cavity of holder tank oil cylinder (9), the actuator port B3 of described Bidirectional balanced valve (13-11) is connected with the rod chamber of holder tank oil cylinder (9), the oil return inlet T 2 of described Bidirectional balanced valve (13-11) is connected with the actuator port B2 of the first proportional reversing valve (13-9), the oil return inlet T 1 of described first proportional reversing valve (13-9) is connected with fuel tank (13-1) by oil return circuit (13-18), the oil outlet B1 of described first Hydraulic Pump (13-3) is also connected with the oil inlet P 3 of the second proportional reversing valve (13-20), the actuator port A4 of described second proportional reversing valve (13-20) is connected with the rodless cavity of rocking arm oil cylinder (8), the actuator port B4 of described second proportional reversing valve (13-20) is connected with the rod chamber of rocking arm oil cylinder (8), the oil return inlet T 3 of described second proportional reversing valve (13-20) is connected with oil return circuit (13-18), the actuator port A4 of described second proportional reversing valve (13-20) and the connection oil circuit of rocking arm oil cylinder (8) rodless cavity are connected to the first hydraulic control one-way valve, the actuator port B4 of described second proportional reversing valve (13-20) and the connection oil circuit of rocking arm oil cylinder (8) rod chamber are connected to the second hydraulic control one-way valve, described first hydraulic control one-way valve and the second hydraulic control one-way valve form hydraulic lock (13-15), the oil inlet A5 of described second Hydraulic Pump (13-31) is communicated with fuel tank (13-1), the oil outlet B5 of described second Hydraulic Pump (13-31) is connected with the oil inlet P 4 of the first proportional pressure-reducing valve (13-16), the rodless cavity that the actuator port A6 and first of described first proportional pressure-reducing valve (13-16) locks tank oil cylinder (4-3) is connected, the oil return inlet T 4 of described first proportional pressure-reducing valve (13-16) is connected with fuel tank (13-1), the oil outlet B5 of described second Hydraulic Pump (13-13) is also connected with the oil inlet P 5 of the second proportional pressure-reducing valve (13-19), the rodless cavity that the actuator port A7 and second of described second proportional pressure-reducing valve (13-19) locks tank oil cylinder (4-10) is connected.
2. one lock tank cage chair according to claim 1, it is characterized in that: described fixed support (4-1) is provided with the starting stave (4-4) for installing the first lock tank oil cylinder (4-3) and the second riser (4-9) for installing the second lock tank oil cylinder (4-10), the top of described starting stave (4-4) is provided with the first guide wheel (4-6), the top of described second riser (4-9) is provided with to match with the first guide wheel (4-6) and for guiding brake disc (11) to enter the second guide wheel (4-7) between the first slipper (4-2) and the second slipper (4-11) from top to bottom, the bottom of described starting stave (4-4) is provided with the 3rd guide wheel (4-14), and the bottom of described second riser (4-9) is provided with to match with the first guide wheel (4-6) and for guiding brake disc (11) to enter the 4th guide wheel (4-13) between the first slipper (4-2) and the second slipper (4-11) from bottom to top.
3. one lock tank cage chair according to claim 2, it is characterized in that: described starting stave (4-4) is upper and the top being positioned at the first guide wheel (4-6) is provided with the 5th guide wheel (4-5), described second riser (4-9) is upper and the top being positioned at the second guide wheel (4-7) is provided with the 6th guide wheel (4-8); Described starting stave (4-4) is upper and the below being positioned at the 3rd guide wheel (4-14) is provided with the 7th guide wheel (4-15), and described second riser (4-9) is upper and the below being positioned at the 4th guide wheel (4-13) is provided with the 8th guide wheel (4-12); Distance between described 5th guide wheel (4-5) and the 6th guide wheel (4-8) is greater than the distance between the first guide wheel (4-6) and the second guide wheel (4-7), and the distance between described 7th guide wheel (4-15) and the 8th guide wheel (4-12) is greater than the distance between the 3rd guide wheel (4-14) and the 4th guide wheel (4-13).
4. one lock tank cage chair according to claim 1, it is characterized in that: described oil return circuit (13-18) is connected by the rodless cavity of release oil circuit (13-12) with holder tank oil cylinder (9), and described release oil circuit (13-12) is provided with switch valve (13-10).
5. one lock tank cage chair according to claim 1, is characterized in that: described first Hydraulic Pump (13-3) is plunger variable pump.
6. one lock tank cage chair according to claim 5, it is characterized in that: comprise shuttle valve (13-14), the actuator port A8 of described shuttle valve (13-14) is connected with the actuator port A3 of Bidirectional balanced valve (13-11), the actuator port B8 of described shuttle valve (13-14) is connected with the actuator port A4 of the second proportional reversing valve (13-20), and the control port T8 of described shuttle valve (13-14) is connected with the load feedback hydraulic fluid port X of the first Hydraulic Pump (13-3).
CN201310325648.1A 2013-07-30 2013-07-30 A kind of lock tank cage chair Active CN103359594B (en)

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CN103085865A (en) * 2012-11-30 2013-05-08 广西柳工机械股份有限公司 Load sensitive turning hydraulic system of loading machine
CN203372972U (en) * 2013-07-30 2014-01-01 西安煤矿机械有限公司 Cage locking shake station

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201228676Y (en) * 2008-07-11 2009-04-29 三一重型装备有限公司 Hydraulic system for electric locomotive brake
CN201659975U (en) * 2010-03-29 2010-12-01 三一重机有限公司 Front wheel braking system of dumper for mine
CN201809095U (en) * 2010-10-14 2011-04-27 郑州宇通重工有限公司 Winch free hook-falling adaptive brake control system
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CN203372972U (en) * 2013-07-30 2014-01-01 西安煤矿机械有限公司 Cage locking shake station

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