CN104088840B - Collapsible selector valve forced commutation device and using method - Google Patents
Collapsible selector valve forced commutation device and using method Download PDFInfo
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- CN104088840B CN104088840B CN201410297549.1A CN201410297549A CN104088840B CN 104088840 B CN104088840 B CN 104088840B CN 201410297549 A CN201410297549 A CN 201410297549A CN 104088840 B CN104088840 B CN 104088840B
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Abstract
The invention discloses a kind of collapsible selector valve forced commutation device and using method thereof, the screw position of spool can be headed into according to the model of selector valve and spool depth adjustment, flexible adjustment is convenient, overall structure is firmly stable, installation, convenient disassembly, the used time does not fold, occupation area can also be saved, is easy to carry.Collapsible selector valve forced commutation device, comprise device body, be separately positioned on two groups of two ends, device body left and right adjustments positioning means, horizontal adjusting bolt groups, described horizontal adjusting bolt group is connected to bottom device body, can regulating device body and commutation valve body between relative level; Described adjustment positioning means comprises L shape horizontal extension arm, swing arm, pin, vertical telescopic arm, adjusting screw with a scale, spool coaxial positioning circle, described pendulum is connected to below L shape horizontal extension arm, described vertical telescopic arm is connected to below swing arm, and described spool coaxial positioning circle is fixed on vertical telescopic arm lower end.
Description
Technical field
The present invention relates to a kind of selector valve supplementary equipment, especially relate to device and the using method of the forced commutation of a kind of hydraulic system selector valve, belong to field of mechanical technique.
Background technique
Hydraulicdirectional control valve is for switching the hydraulic element of actuator's working state in hydraulic system, when the problems such as electromagnetic valve coil scaling loss, control system relay damaged occur cause selector valve to occur awarding the faults such as electricity commutation, selector valve just cannot the due function of completion system, now needs people to be forced commutation.
The artificial forced commutation instrument generally used at present is generally curve three-back-shaped insertion change-over valve core position with a root bead bar or fine steel rib to realize commutation, or becomes ∏ mechanism to head into the realization commutation of change-over valve core position with screw again with Plate Welding.But need to keep for a long time situation about commutating (such as selector valve, when hydraulic system carries out oil flushing, also need selector valve to keep some commutation positions and switching position for a long time, thus ensure communication and the back flush of flush loop), be only difficult to accomplish by manpower.In addition, Large Hydraulic System comprises the hydraulicdirectional control valve of different model, different brands, makes or welds forced commutation instrument or device, cannot use again to another system for a kind of selector valve, need again to make, which results in welding rod, steel plate materials and artificial a large amount of wastes.Because hydraulic system is different, often need to prepare multiple forced commutation instrument or device, make troubles to actual maintenance.Meanwhile, this commutation or device are relatively more sharp-pointed, easily hurt people when carrying; Volume is easy-to-collection very much not.
Summary of the invention
For solving the problem, the invention discloses a kind of do not need to remove electromagnetic coil, applicability wide, be convenient to forced commutation device that safety carries and selector valve can be kept for a long time to stablize the using method of commutation states.
In order to achieve the above object, the invention provides following technological scheme:
A kind of collapsible selector valve forced commutation device, comprise device body, be symmetricly set on two groups of two ends, device body left and right adjustments positioning means, horizontal adjusting bolt groups, described horizontal adjusting bolt group is connected to bottom device body, can regulating device body and commutation valve body between relative level; Described device body inside has chute along body bearing of trend, there is in the middle part of device body milling handle, described chute side is drilled with row's fixed level telescopic boom bolt hole, opposite side has fixed level telescopic boom bolt hole, and both sides, described device body bottom surface are respectively equipped with a fixing threaded hole and at least one horizontal adjustemt screw; Described adjustment positioning means comprises L shape horizontal extension arm, swing arm, pin, vertical telescopic arm, adjusting screw with a scale, spool coaxial positioning circle, described pendulum is connected to below L shape horizontal extension arm, described vertical telescopic arm is connected to below swing arm, and described spool coaxial positioning circle is fixed on vertical telescopic arm lower end; Described L shape horizontal extension arm top shape and chute match, and can along the slide in device body, L shape horizontal extension arm is bolted in device body, L shape horizontal extension arm one end is connected with upset limiting board, have swing arm bottom upset limiting board and rotate ear seat, described swing arm rotates ear seat and is provided with pin-and-hole; Described swing arm top is provided with the swing arm rotating pin hole rotating pin-and-hole on ear seat with swing arm and match, swing arm is connected to swing arm through pin-and-hole and swing arm rotating pin hole and rotates on ear seat by described pin, described swing arm inside has swing arm chute, described swing arm chute side is drilled with row's vertical telescopic arm fixed bolt hole, and opposite side has vertical telescopic arm fixing bolt through hole; Described vertical telescopic arm sectional shape and swing arm chute sectional shape match, and vertical telescopic arm can along swing arm slide, and vertical telescopic arm is bolted on swing arm lower end, and described vertical telescopic arm bottom also has fixed spool coaxial positioning ring through hole; Described spool coaxial positioning circle one end is provided with fixed end, the other end is provided with location inner ring, described fixed end is fixed on vertical telescopic arm lower end through after the fixed spool coaxial positioning ring through hole of vertical telescopic arm bottom, have adjustment screw in spool coaxial positioning circle, described adjusting screw with a scale screws in and regulates in screw.
Further, described horizontal adjusting bolt group comprises adjustment bolt hole sleeve pipe, is screwed in the first adjustment bolt of adjustment bolt hole sleeve pipe one end, is screwed in the second adjustment bolt adjusting the bolt hole sleeve pipe the other end.
Further, described chute and swing arm chute sectional shape are " convex " shape.
Further, be processed with stationary positioned circle screw thread outside the fixed end of described spool coaxial positioning circle, outside stationary positioned circle screw thread, be connected with stationary positioned ring nut.
An installation method for collapsible selector valve forced commutation device, comprises the steps:
Step one, takes out the folding selector valve forced commutation device placed in tool box special, adjustment bolt hole sleeve pipe, the first adjustment bolt, the second adjustment bolt is disassembled from body respectively, is placed on home for subsequent use; Adjusting screw with a scale dismantled from body, left and right swing arm can swing up and down; Dismounting stationary positioned ring nut, disassembles spool coaxial positioning circle from swing arm;
Step 2, dismounting selector valve coil pins, carries out mark to coil pins and selector valve;
Step 3, installs spool coaxial positioning mechanism, left and right two positioning rings is inserted in selector valve electromagnetic coil, and location inner ring matches with selector valve electromagnetic coil;
Step 4, according to model, the spool degree of depth of selector valve, dismounting fixed level telescopic boom bolt pull left L shape horizontal extension arm, the adjustment of right L shape horizontal extension arm are of convenient length and tentatively fixing; Dismounting fixed vertical telescopic boom bolt, pull left and right vertical telescopic boom, adjustment is of convenient length and tentatively fixing; By the fixed spool coaxial positioning ring through hole of spool coaxial positioning circle through left and right vertical telescopic boom, and fix with stationary positioned ring nut.
Step 5, adjustment selector valve forced commutation device level, adjustment bolt hole sleeve pipe, the first adjustment bolt adjustment bolt, the second adjustment bolt are assembled into horizontal adjusting bolt group, be arranged on device body, by adjusting the screw-in depth of bolt respectively, control whole forced commutation device maintenance level.
Further, also comprise the steps: in described step 5 the left and right L shape horizontal extension arm that current initial step is whole and left and right vertical telescopic boom position not ideal enough time, again perform step 4.
A using method for collapsible selector valve forced commutation device, comprises the steps:
During two electric control reversing valve commutation, first the adjusting screw with a scale with commutation direction homonymy is outwards screwed out, ensure the commutation displacement not interfering selector valve; By the adjusting screw with a scale with commutation direction not homonymy to inward turning, initial contact is initial position to valve element position, write down scale value, continue adjusting screw with a scale for the right again to inward turning, until revolve motionless, now selector valve gets to least significant end, realizes forced commutation, write down scale value, contrast selector valve product sample confirms that whether the changeover valve core shift value of physical record is consistent with the shift value of standard map;
During single electric control reversing valve commutation, spool coaxial positioning circle with commutation direction not homonymy is only installed, by the adjusting screw with a scale on the spool coaxial positioning circle of contact selector valve coil sides to inward turning, initial contact is initial position to valve element position, write down scale value, continue this adjusting screw with a scale to inward turning again, until revolve motionless, now selector valve gets to least significant end, realize forced commutation, write down scale value, contrast selector valve product sample confirms that whether the changeover valve core shift value of physical record is consistent with the shift value of standard map.
A dismounting folding method for collapsible selector valve forced commutation device, comprises the steps:
Step one: adjusting screw with a scale is exited from spool coaxial positioning mechanism.
Step 2: dismounting fixed level telescopic boom bolt, pull left L shape horizontal extension arm, right L shape horizontal extension arm are until selector valve forced commutation device energy is separated with selector valve, left L shape horizontal extension arm, right L shape horizontal extension arm are inwardly contracted to the root of body, screw in bolt and fix;
Step 3: dismounting adjustment bolt hole sleeve pipe, the first adjustment bolt, the first adjustment bolt two, screw in horizontal adjustemt screw;
Step 4: dismounting fixed vertical telescopic boom bolt, pull left and right vertical telescopic boom, upwards shrinks and puts in place, screws in bolt and fixes left and right vertical telescopic boom;
Step 5: rotate up left and right two swing arms, screw in the swing arm storage fixing threaded hole of adjusting screw with a scale to device body, swing arm is fixed on body.
Beneficial effect:
Compared with prior art, collapsible selector valve forced commutation device provided by the invention, the screw position of spool can be headed into according to the model of selector valve and spool depth adjustment, flexible adjustment is convenient, overall structure is stable firmly, installs, convenient disassembly, can also the used time does not fold, save occupation area, be easy to carry, sharp edge can also be reduced, personal injury accident that angle is caused.This device can reach the actual operation requirements of production and overhaul unit, reduce the material and construction cost that make forced commutation device, keep stable working state, enhance productivity, reduce and repeatedly change the environmental pollution that brings of hydraulicdirectional control valve, avoid site operation personnel's misoperation and the production accident that brings and installation, sharp parts causes when carrying skin tears accident.
Accompanying drawing explanation
Fig. 1 is a kind of collapsible selector valve forced commutation device overall structure schematic diagram;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is that the A-A of Fig. 1 is to sectional view;
Fig. 4 is the partial enlarged view of Fig. 3;
Fig. 5 is device body structural representation;
Fig. 6 is the worm's eye view of Fig. 5;
Fig. 7 is that B-B, C-C, D-D of Fig. 5 are to sectional view;
Fig. 8 is horizontal adjusting bolt group structural representation;
Fig. 9 is L shape horizontal extension arm three direction view;
Figure 10 is that swing arm structure schematic diagram and E-E, F-F are to sectional view;
Figure 11 is vertical telescopic arm three direction view;
Figure 12 is spool coaxial positioning coil structures schematic diagram;
Figure 13 is spool coaxial positioning circle scheme of installation;
Figure 14 is schematic diagram after collapsible selector valve forced commutation folding device;
Figure 15 is schematic diagram when respectively arranging a group about horizontal adjusting bolt group, and wherein (a) is collapsible selector valve forced commutation device partial view, and (b) is the P-P direction view of (a);
Figure 16 is schematic diagram when respectively arranging a group about horizontal adjusting bolt group, and wherein (a) is collapsible selector valve forced commutation device partial view, and (b) is the P-P direction view of (a).
Embodiment
Below with reference to specific embodiment, technological scheme provided by the invention is described in detail, following embodiment should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.
As shown in Figure 1 to 4, a kind of collapsible selector valve forced commutation device, comprise device body 3, left L shape horizontal extension arm 1, right L shape horizontal extension arm 4, swing arm 6, pin 5, vertical telescopic arm 7, adjusting screw 9 with a scale, spool coaxial positioning circle 10, horizontal adjusting bolt group 15, described left L shape horizontal extension arm 1 and right L shape horizontal extension arm 4 are symmetricly set on device body 3 two ends respectively, described swing arm 6 is two, be connected to below left L shape horizontal extension arm 1 and right L shape horizontal extension arm 4, described vertical telescopic arm 7 is two, be connected to below two swing arms 6, described spool coaxial positioning circle is two, be separately fixed at two vertical telescopic arm 7 lower ends, described horizontal adjusting bolt group is connected to bottom device body 3, touch with commutation valve body end face in use.
As shown in Fig. 5 ~ Fig. 7, device body 3 is long strip, its inside has convex chute 30 along body 3 bearing of trend, there is in the middle part of device body 3 milling handle 34, convex chute 30 top is guiding fixed groove 32, guiding fixed groove 32 side is drilled with row's fixed level telescopic boom bolt hole 31, and opposite side has and one to one coaxial fixed level telescopic boom bolt hole 33 identical with fixed level telescopic boom bolt hole 31 quantity.As shown in the figure, both sides, device body 3 bottom surface are drilled with two fixing threaded holes 36 for two swing arm storages and multiple left horizontal adjustemt screw 37, right horizontal adjustemt screw 38.Left horizontal adjustemt screw 37 and right horizontal adjustemt screw 38 all should in columnly be arranged, and are convenient to regulate.Left horizontal adjustemt screw 37 and right horizontal adjustemt screw 38 are for being connected horizontal adjusting bolt group.Horizontal adjusting bolt group 15 should be separately positioned on the left and right sides bottom device body 3, reversing arrangement entirety is made to have good balance, specifically, can be the left horizontal adjusting bolt group of arranging in diagonal as shown in figure 15 and each one group of right horizontal adjusting bolt group, also can be the left horizontal adjusting bolt group be symmetrical set as shown in figure 16 and each two groups of right horizontal adjusting bolt group.As shown in Figure 8, each horizontal adjusting bolt group comprises adjustment bolt hole sleeve pipe 100, first adjustment bolt 101, second adjustment bolt 102.Like this, adjustment bolt hole sleeve pipe 100 two ends are exposed respectively has one section to adjust bolt.When using horizontal adjusting bolt group, first adjustment bolt 101 one end is threaded into left horizontal adjustemt screw 37 on device body 3 and/or right horizontal adjustemt screw 38, the other end is threaded with adjustment bolt hole sleeve pipe 100, adjustment bolt hole sleeve pipe 100 the other end and second adjusts bolt 102 and is connected, the other end of the second adjustment bolt 102 is supported on change valve 14, by regulating the first adjustment bolt 101, the screw-in depth of the second adjustment bolt 102, forced commutation device can be controlled and be substantially in level, can not run-off the straight time in working order, cause forced commutation malfunctioning.
Due to left L shape horizontal extension arm 1 and right L shape horizontal extension arm 4 shape, structure full symmetric or consistent, therefore when describing its detailed construction, be collectively referred to as L shape horizontal extension arm.As shown in Figure 9, L shape horizontal extension arm top shape and convex chute 30 match, L shape horizontal extension arm 4 can slide along the convex chute 30 in device body 3, and L shape horizontal extension arm 4 top has the through hole that two rows and fixed level telescopic boom bolt hole 31, fixed level telescopic boom bolt hole 33 match.The horizontal position of left and right L shape horizontal extension arm independently can adjust according to actual conditions, is fixed after adjusting to the right place by fixed level telescopic boom bolt 2 again.Pull left and right L shape horizontal extension arm increases or after shortening its physical length, is separately fixed on device body 3 by left and right L shape horizontal extension arm after utilizing multiple fixed level telescopic boom bolt 2 to be each passed through fixed level telescopic boom bolt hole 31 on the through hole on left and right L shape horizontal extension arm top and device body 3, fixed level telescopic boom bolt hole 33.Length, the precision of L shape horizontal extension arm entirety adjust by regulating the spacing size of fixed level telescopic boom bolt hole 31, its intensity is determined by the lower rectangle of convex chute 30, and slippage is led and is located through rectangle guiding fixed groove 32 on convex chute 30 and realizes.Two L shape horizontal extension arms are all connected with upset limiting board 70 away from one end of device body 3, upset limiting board 70 is perpendicular to L shape horizontal extension arm, be used for ensureing that swing arm 6 positions and fixes after rotating to 90 degree, have swing arm bottom upset limiting board 70 and rotate ear seat 72, described swing arm rotates ear seat 72 and is provided with pin-and-hole 71.Convex chute shape in L shape horizontal extension arm is only a kind of example, and in fact, those skilled in that art can arrange the shape of chute as required.
As shown in Figure 10, swing arm 6 top is provided with the swing arm rotating pin hole 81 rotating pin-and-hole 71 on ear seat 72 with swing arm and match, swing arm 6 is connected to swing arm through pin-and-hole 71 and swing arm rotating pin hole 81 and rotates on ear seat 72 by described pin 5, and swing arm 6 can rotate centered by pin-and-hole.Swing arm 6 inside has swing arm convex chute 84, swing arm convex chute 84 side is drilled with row's vertical telescopic arm fixed bolt hole 82, and opposite side has and one to one coaxial vertical telescopic boom fixing bolt through hole 83 identical with vertical telescopic arm fixed bolt hole 82 quantity.Working state lower swing arm and body are vertical, make spool coaxial positioning circle 10 be arranged on selector valve, use after terminating, swing arm are inwardly rotated, can save occupation area, the personal injury accident that minimizing sharp edge, angle cause, and are easy to carry simultaneously.Convex chute shape in swing arm 6 is only a kind of example, and in fact, those skilled in that art can arrange the shape of chute as required.
As shown in figure 11, vertical telescopic arm 7 sectional shape and swing arm convex chute 84 sectional shape match, and vertical telescopic arm 7 can slide along swing arm convex chute 84.Vertical telescopic arm 7 has the vertical telescopic arm fixing bolt through hole 91 that two rows and vertical telescopic arm fixed bolt hole 82, vertical telescopic arm fixing bolt through hole 83 match, after when vertical telescopic arm 7, on vertical position, extension position adjustment terminates, by bolt through the vertical telescopic arm fixed bolt hole 82 in vertical telescopic arm fixing bolt through hole 91 and swing arm 6, vertical telescopic arm fixing bolt through hole 83 thus vertical telescopic arm 7 is fixed on swing arm 6 lower end.Vertical telescopic arm 7 bottom also has fixed spool coaxial positioning ring through hole 92.
As shown in Figure 12 and Figure 13, spool coaxial positioning circle 10 one end is provided with fixed end 61, and the other end is provided with location inner ring 43; Stationary positioned circle screw thread 41 is processed with, by fixed end 61 through to be screwed in by stationary positioned ring nut 62 after the fixed spool coaxial positioning ring through hole 92 of vertical telescopic arm 7 bottom on stationary positioned circle screw thread 41 thus spool coaxial positioning circle 10 is fixed on vertical telescopic arm 7 lower end outside described fixed end 44.Spool coaxial positioning circle 10 is provided with in the axial direction and regulates screw 42, and described adjusting screw 9 screws in and regulates in screw 42.Adjusting screw 9 should with scale, the clear and definite screw-in depth when regulating, regulate screw 42 and adjusting screw with a scale 9 with the use of, adjusting screw 9 left side with a scale screws in, and the right must screw out, and makes change-over valve core have the stroke space of commutation, after screw-in depth meets spool stroke, change-over valve core is advanced and realizes forced commutation, because the self-locking action of screw thread, remain that spool is at specified position.Location inner ring 43 is enclosed within selector valve coil 12, utilizes the cylindrical of electromagnetic coil to carry out coarse positioning.Spool coaxial positioning circle 10 can keep the coaxality of change-over valve core axis and adjusting screw with a scale 9 axis, avoids directly disclosing valve with steel wire or welding rod in the past, and welding rod physical location generation deflection causes the situation of selector valve internal injury to occur.
The installation method of this collapsible selector valve forced commutation device comprises the steps:
Step one, takes out the folding selector valve forced commutation device placed in tool box special, adjustment bolt hole sleeve pipe 100, first is adjusted bolt 101, second adjustment bolt 102 and disassembles from body respectively, be placed on home for subsequent use; Adjusting screw 9 with a scale dismantled from body, left and right swing arm 6 can swing up and down; Dismounting stationary positioned ring nut 62, disassembles spool coaxial positioning circle 10 from swing arm 6.Now whole selector valve forced commutation device is inverted U-shaped.
Step 2, dismounting selector valve coil pins, because valve platform selector valve is more, needs to carry out mark to coil pins and selector valve, in order to avoid make mistakes.
Step 3, installs spool coaxial positioning mechanism, left and right two positioning rings is inserted in selector valve electromagnetic coil 12, location inner ring 43 matches with selector valve electromagnetic coil 12;
Step 4, according to model, the spool degree of depth of selector valve, dismounting fixed level telescopic boom bolt 2 pull left L shape horizontal extension arm 1, the adjustment of right L shape horizontal extension arm 4 are of convenient length and tentatively fixing; Dismounting fixed vertical telescopic boom bolt 8, pull left and right vertical telescopic boom 7, adjustment is of convenient length and tentatively fixing.By the fixed spool coaxial positioning ring through hole 92 of spool coaxial positioning circle 10 through left and right vertical telescopic boom 7, and fix with stationary positioned ring nut 62.
Step 5, adjustment selector valve forced commutation device level, adjustment bolt hole sleeve pipe 100, first is adjusted bolt 101, second adjustment bolt 102 and be first assembled into horizontal adjusting bolt group, it can be 2 groups according to actual conditions, also can be 4 groups, and diagonal angle is arranged on body 1, horizontal both direction keeps level substantially, by adjusting the screw-in depth of bolt respectively, control whole forced commutation device maintenance level, left and right L shape horizontal extension arm and the left and right vertical telescopic boom position of adjustment as preliminary in early stage are not ideal enough, now can again adjust.
The using method of collapsible selector valve forced commutation device is as follows:
When forced commutation is carried out to two electric control reversing valve, according to the requirement of on-the-spot selector valve actual demand commutation, require to be in high order end position for spool, first adjusting screw 9 with a scale for the left side is outwards screwed out, ensure the commutation displacement not interfering selector valve, by adjusting screw 9 with a scale for the right to inward turning, initial contact is initial position to valve element position, write down scale value, continue adjusting screw 9 with a scale for the right again to inward turning, until revolve motionless, now selector valve gets to least significant end, realize forced commutation, write down scale value, the difference of two scale values is exactly the stroke of change-over valve core movement, contrast selector valve product sample confirms that whether the changeover valve core shift value of physical record is consistent with the shift value of standard map, avoid the selector valve jam of onsite application, cause commutation not thorough, there is internal leakage, affect pressure and the action of whole system.
Similar with said process when spool requires to be in low order end position, just the operation of left and right belt scale adjusting screw 9 is contrary.
The forced commutation of single electric control reversing valve only needs the spool coaxial positioning circle 10 installing this group of contact selector valve coil 12, opposite side vertical telescopic arm directly leans against on reversing valve body 1, by the adjusting screw with a scale 9 on the spool coaxial positioning circle 10 of contact selector valve coil 12 side to inward turning, initial contact is initial position to valve element position, write down scale value, continue this adjusting screw 9 with a scale to inward turning again, until revolve motionless, now selector valve gets to least significant end, realize forced commutation, write down scale value, the difference of two scale values is exactly the stroke of change-over valve core movement, contrast selector valve product sample confirms that whether the changeover valve core shift value of physical record is consistent with the shift value of standard map.
Collapsible selector valve forced commutation device dismounting and folding method comprise the steps:
Step one: adjusting screw 9 with a scale is exited from spool coaxial positioning mechanism.
Step 2: dismounting fixed level telescopic boom bolt 2, pull left L shape horizontal extension arm 1, right L shape horizontal extension arm 4 are until selector valve forced commutation device energy is separated with selector valve, left L shape horizontal extension arm 1, right L shape horizontal extension arm 4 are inwardly contracted to the root of body 1, screw in fixed level telescopic boom bolt 2 and fix.
Step 3: dismounting adjustment bolt hole sleeve pipe 100, first adjusts bolt 101, first and adjusts bolt 2 102, shown in Figure 14, bolt and sleeve pipe is screwed in left horizontal adjustemt screw 37 respectively, right horizontal adjustemt screw 38 is received.
Step 4: dismounting fixed vertical telescopic boom bolt 8, pull left and right vertical telescopic boom 7, upwards shrinks and puts in place, screws in fixed vertical telescopic boom bolt 8 and fixing left and right vertical telescopic boom 7.
Step 5: rotate up left and right two swing arms 6, screw in the swing arm storage fixing threaded hole 36 of adjusting screw 9 to body 1 with a scale, be fixed on body by swing arm 6, now whole selector valve forced commutation device storage is complete, can be placed in the toolbox of specifying.Collapsible selector valve forced commutation device after folding as shown in figure 14.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned mode of execution, also comprises the technological scheme be made up of above technical characteristics combination in any.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (8)
1. a collapsible selector valve forced commutation device, it is characterized in that: comprise device body, be symmetricly set on two groups of two ends, device body left and right adjustments positioning means, horizontal adjusting bolt groups, described horizontal adjusting bolt group is connected to bottom device body, can regulating device body and commutation valve body between relative level; Described device body inside has chute along body bearing of trend, there is in the middle part of device body milling handle, described chute side is drilled with row's fixed level telescopic boom bolt hole, opposite side has fixed level telescopic boom bolt hole, and both sides, described device body bottom surface are respectively equipped with a fixing threaded hole and at least one horizontal adjustemt screw; Described adjustment positioning means comprises L shape horizontal extension arm, swing arm, pin, vertical telescopic arm, adjusting screw with a scale, spool coaxial positioning circle, described swing arm is connected to below L shape horizontal extension arm, described vertical telescopic arm is connected to below swing arm, and described spool coaxial positioning circle is fixed on vertical telescopic arm lower end; Described L shape horizontal extension arm top shape and chute match, and can along the slide in device body, L shape horizontal extension arm is bolted in device body, L shape horizontal extension arm one end is connected with upset limiting board, have swing arm bottom upset limiting board and rotate ear seat, described swing arm rotates ear seat and is provided with pin-and-hole; Described swing arm top is provided with the swing arm rotating pin hole rotating pin-and-hole on ear seat with swing arm and match, swing arm is connected to swing arm through pin-and-hole and swing arm rotating pin hole and rotates on ear seat by described pin, described swing arm inside has swing arm chute, described swing arm chute side is drilled with row's vertical telescopic arm fixed bolt hole, and opposite side has vertical telescopic arm fixing bolt through hole; Described vertical telescopic arm sectional shape and swing arm chute sectional shape match, and vertical telescopic arm can along swing arm slide, and vertical telescopic arm is bolted on swing arm lower end, and described vertical telescopic arm bottom also has fixed spool coaxial positioning ring through hole; Described spool coaxial positioning circle one end is provided with fixed end, the other end is provided with location inner ring, described fixed end is fixed on vertical telescopic arm lower end through after the fixed spool coaxial positioning ring through hole of vertical telescopic arm bottom, have adjustment screw in spool coaxial positioning circle, described adjusting screw with a scale screws in and regulates in screw.
2. collapsible selector valve forced commutation device according to claim 1, is characterized in that: the second adjustment bolt that described horizontal adjusting bolt group comprises adjustment bolt hole sleeve pipe, is screwed in the first adjustment bolt of adjustment bolt hole sleeve pipe one end, is screwed in the adjustment bolt hole sleeve pipe the other end.
3. collapsible selector valve forced commutation device according to claim 1 and 2, is characterized in that: described chute and swing arm chute sectional shape are " convex " shape.
4. collapsible selector valve forced commutation device according to claim 1 and 2, is characterized in that: be processed with stationary positioned circle screw thread outside the fixed end of described spool coaxial positioning circle, be connected with stationary positioned ring nut outside stationary positioned circle screw thread.
5. an installation method for collapsible selector valve forced commutation device, is characterized in that, comprise the steps:
Step one, takes out the folding selector valve forced commutation device placed in tool box special, adjustment bolt hole sleeve pipe, the first adjustment bolt, the second adjustment bolt is disassembled from body respectively, is placed on home for subsequent use; Adjusting screw with a scale dismantled from body, left and right swing arm can swing up and down; Dismounting stationary positioned ring nut, disassembles spool coaxial positioning circle from swing arm;
Step 2, dismounting selector valve coil pins, carries out mark to coil pins and selector valve;
Step 3, installs spool coaxial positioning mechanism, left and right two positioning rings is inserted in selector valve electromagnetic coil, and location inner ring matches with selector valve electromagnetic coil;
Step 4, according to model, the spool degree of depth of selector valve, dismounting fixed level telescopic boom bolt pull left L shape horizontal extension arm, the adjustment of right L shape horizontal extension arm are of convenient length and tentatively fixing; Dismounting fixed vertical telescopic boom bolt, pull left and right vertical telescopic boom, adjustment is of convenient length and tentatively fixing; By the fixed spool coaxial positioning ring through hole of spool coaxial positioning circle through left and right vertical telescopic boom, and fix with stationary positioned ring nut;
Step 5, adjustment selector valve forced commutation device level, adjustment bolt hole sleeve pipe, the first adjustment bolt adjustment bolt, the second adjustment bolt are assembled into horizontal adjusting bolt group, be arranged on device body, by adjusting the screw-in depth of bolt respectively, control whole forced commutation device maintenance level.
6. the installation method of collapsible selector valve forced commutation device according to claim 5, it is characterized in that, also comprise the steps: in described step 5 the left and right L shape horizontal extension arm that current initial step is whole and left and right vertical telescopic boom position not ideal enough time, again perform step 4.
7. a using method for collapsible selector valve forced commutation device, is characterized in that, comprise the steps:
During two electric control reversing valve commutation, first the adjusting screw with a scale with commutation direction homonymy is outwards screwed out, ensure the commutation displacement not interfering selector valve; By the adjusting screw with a scale with commutation direction not homonymy to inward turning, initial contact is initial position to valve element position, write down scale value, continue adjusting screw with a scale for the right again to inward turning, until revolve motionless, now selector valve gets to least significant end, realizes forced commutation, write down scale value, contrast selector valve product sample confirms that whether the changeover valve core shift value of physical record is consistent with the shift value of standard map;
During single electric control reversing valve commutation, spool coaxial positioning circle with commutation direction not homonymy is only installed, by the adjusting screw with a scale on the spool coaxial positioning circle of contact selector valve coil sides to inward turning, initial contact is initial position to valve element position, write down scale value, continue this adjusting screw with a scale to inward turning again, until revolve motionless, now selector valve gets to least significant end, realize forced commutation, write down scale value, contrast selector valve product sample confirms that whether the changeover valve core shift value of physical record is consistent with the shift value of standard map.
8. a dismounting folding method for collapsible selector valve forced commutation device, is characterized in that, comprise the steps:
Step one: adjusting screw with a scale is exited from spool coaxial positioning mechanism;
Step 2: dismounting fixed level telescopic boom bolt, pull left L shape horizontal extension arm, right L shape horizontal extension arm are until selector valve forced commutation device energy is separated with selector valve, left L shape horizontal extension arm, right L shape horizontal extension arm are inwardly contracted to the root of body, screw in bolt and fix;
Step 3: dismounting adjustment bolt hole sleeve pipe, the first adjustment bolt, the first adjustment bolt two, screw in horizontal adjustemt screw;
Step 4: dismounting fixed vertical telescopic boom bolt, pull left and right vertical telescopic boom, upwards shrinks and puts in place, screws in bolt and fixes left and right vertical telescopic boom;
Step 5: rotate up left and right two swing arms, screw in the swing arm storage fixing threaded hole of adjusting screw with a scale to device body, swing arm is fixed on body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410297549.1A CN104088840B (en) | 2014-06-29 | 2014-06-29 | Collapsible selector valve forced commutation device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410297549.1A CN104088840B (en) | 2014-06-29 | 2014-06-29 | Collapsible selector valve forced commutation device and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104088840A CN104088840A (en) | 2014-10-08 |
| CN104088840B true CN104088840B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410297549.1A Expired - Fee Related CN104088840B (en) | 2014-06-29 | 2014-06-29 | Collapsible selector valve forced commutation device and using method |
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| CN (1) | CN104088840B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2164628C3 (en) * | 1971-12-24 | 1978-03-16 | Siegfried Dipl.-Ing. Dr.-Ing. 4930 Detmold Gross | Overload cut-off device for hydraulic lifting and lifting devices coupled in series. Adjustment mechanisms |
| CN2214574Y (en) * | 1994-08-02 | 1995-12-06 | 喻胜 | Reversing combined valve with hydraulic self-control adjustable timing feeding |
| CN100343562C (en) * | 2005-04-06 | 2007-10-17 | 杨荣水 | Operating mechanism for superhigh-temperature and-pressure fast three-way change valve |
| CN2883823Y (en) * | 2006-03-03 | 2007-03-28 | 周唯逸 | Automatic reverser |
| CN201982785U (en) * | 2011-04-22 | 2011-09-21 | 浙江三花制冷集团有限公司 | Connecting rod component for reversing valve |
| WO2013015467A1 (en) * | 2011-07-26 | 2013-01-31 | 볼보 컨스트럭션 이큅먼트 에이비 | Hydraulic system for construction machinery |
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2014
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| CN104088840A (en) | 2014-10-08 |
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Effective date of registration: 20210804 Address after: 3520 Tongji Road, Baoshan District, Shanghai 201900 Patentee after: Baowu equipment Intelligent Technology Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: NANJING MEISHAN METALLURGY DEVELOPMENT Co.,Ltd. Patentee before: Shanghai Meishan Iron & steel Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160413 |