CN109681484A - A kind of automatic reciprocating valve gear of mechanical adjustable hydraulic - Google Patents
A kind of automatic reciprocating valve gear of mechanical adjustable hydraulic Download PDFInfo
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- CN109681484A CN109681484A CN201910016697.4A CN201910016697A CN109681484A CN 109681484 A CN109681484 A CN 109681484A CN 201910016697 A CN201910016697 A CN 201910016697A CN 109681484 A CN109681484 A CN 109681484A
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- spool
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- 239000012530 fluid Substances 0.000 claims description 132
- 238000007789 sealing Methods 0.000 claims description 32
- 238000010079 rubber tapping Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 21
- 239000002828 fuel tank Substances 0.000 claims description 16
- 230000033001 locomotion Effects 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000017105 transposition Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a kind of mechanical automatic reciprocating valve gears of adjustable hydraulic, are related to hydraulic reciprocating valve field, including valve body；Described valve body one end offers the first cavity；Reciprocating block is provided in first cavity, reciprocating block can be moved back and forth along the outer wall of the first cavity；The other end of the valve body offers the second cavity, reciprocal spool is provided in second cavity, reciprocal spool can reciprocatingly slide along the second chamber outer wall, offer spool bore on reciprocal spool, push rod is provided in spool bore, one end that push rod extends spool bore is arranged in reciprocating block；The push rod middle position is provided with second baffle, and second baffle is placed in the second cavity, and is placed in the left side of reciprocal spool.The present invention is commutation power resources, practical, left and right commutating frequency Independent adjustable, assembly and easy to maintain with internal system pressure oil.
Description
Technical field
The present invention relates to a kind of hydraulic reciprocating valve field more particularly to a kind of automatic reciprocating valve dresses of mechanical adjustable hydraulic
It sets.
Background technique
Current hydraulic automatic reciprocating valve, reversal valve and intake and exhaust pipeline are set to outside cylinder, keep cylinder shape multiple
Miscellaneous, occupied space is big, installs not convenient, higher cost.In space, especially small occasion cannot be used, and be connected into drain line
Contact is more, i.e., leakage point is more, repairs more complicated.The automatic reciprocating valve of existing integral type in the market, left and right frequency are inseparable
It does not adjust, and internal structure is excessively complicated, processing cost is excessively high.
Summary of the invention
For the deficiency for solving prior art, providing one kind with internal system pressure oil is commutation power resources, practical, left and right
Commutating frequency Independent adjustable, assembly and the automatic reciprocating valve gear of mechanical adjustable hydraulic easy to maintain.
The present invention is achieved by following technical solution:
A kind of automatic reciprocating valve gear of mechanical adjustable hydraulic, including valve body；Described valve body one end offers the first cavity；
Reciprocating block is provided in first cavity, reciprocating block can be moved back and forth along the outer wall of the first cavity；
The other end of the valve body offers the second cavity, and reciprocal spool is provided in the second cavity, and reciprocal spool can edge
Second chamber outer wall reciprocatingly slides, and spool bore is offered on reciprocal spool, push rod is provided in spool bore, push rod extends spool
The one end in hole is arranged in reciprocating block；The push rod middle position is provided with second baffle, and second baffle is placed in the second cavity,
And it is placed in the left side of reciprocal spool；
The first spring cavity and second spring chamber, the first spring cavity and second spring chamber are offered on second chamber outer wall
Spring is inside installed；
Offer the second card slot and the first card slot on the reciprocal spool excircle, and the first card slot and the second card slot it
Between open up it is fluted；
Oil inlet, oil return opening, the first external tapping and the second external tapping are also provided on the valve body；
When station moves to the right, reciprocal spool moves to right end under the promotion of second baffle, at this point, the first card slot
The first spring cavity position is moved to, spring blocks the first card slot, so that reciprocal spool stopping moves right；
When station moves to the left, reciprocal spool moves to left end under the promotion of first baffle, at this point, the second card slot
Second spring chamber position is moved to, spring blocks the second card slot, so that reciprocal spool stopping moves downward；
When station moves to the right, the 5th hydraulic fluid port and third hydraulic fluid port are communicated, and the 6th hydraulic fluid port and the second hydraulic fluid port communicate；Pressure oil
Enter the 5th hydraulic fluid port from oil inlet, flows to third hydraulic fluid port through the second cavity, at this time pressure oil two-way, it is external by second all the way
Mouth flows in external performance loop, and another way flows to the 7th hydraulic fluid port into the first cavity left part, and then reciprocating block is pushed to transport to the right
Dynamic, push rod is moved right with reciprocating block；Oil liquid positioned at the first cavity right part flows to the second hydraulic fluid port by the first hydraulic fluid port, then
The 6th hydraulic fluid port is flowed to by the second cavity, flows back to fuel tank through oil return opening；The oil liquid in performance loop passes through outside first at the same time
Interface flows to the second hydraulic fluid port, flows to the 6th hydraulic fluid port by the second cavity, then flow back to fuel tank through oil return opening；
When station moves to the left, the 5th hydraulic fluid port and the second hydraulic fluid port are communicated, and the 6th hydraulic fluid port and third hydraulic fluid port communicate；Pressure oil
Enter the 5th hydraulic fluid port from oil inlet, flows to the second hydraulic fluid port through the second cavity, at this time pressure oil two-way, it is external by first all the way
Mouth flows in external performance loop, and another way flows to the first hydraulic fluid port into the first cavity right part, and then reciprocating block is pushed to transport to the left
Dynamic, push rod is moved downward with reciprocating block；Oil liquid positioned at the first cavity left part flows to third hydraulic fluid port by the 7th hydraulic fluid port, then
The 4th hydraulic fluid port is flowed to by the second cavity, flows back to fuel tank through oil return opening；The oil liquid in performance loop passes through outside second at the same time
Interface flows to third hydraulic fluid port, flows to the 4th hydraulic fluid port by the second cavity, then flow back to fuel tank through oil return opening.
Further, the first adjusting bolt is provided on the oil circuit between the third hydraulic fluid port and the 7th hydraulic fluid port, first adjusts
Section bolt is used to adjust the hydraulic fluid flow rate between third hydraulic fluid port and the 7th hydraulic fluid port.
Further, the second adjusting bolt is provided on the oil circuit between first hydraulic fluid port and the second hydraulic fluid port, second adjusts
Section bolt is used to adjust the hydraulic fluid flow rate between the first hydraulic fluid port and the second hydraulic fluid port.Bolt and second is adjusted by setting first to adjust
Bolt is saved to adjust the hydraulic fluid flow rate in oil duct, and then controls the time cycle of reciprocal process.
Further, cover board is mounted on valve body by sealing bolt, and by the first sealing ring and the 6th sealing ring, complete
At the first cavity and extraneous sealing；It is equipped with sealing ring four between plug and valve body, completes the second cavity and extraneous sealing.
Further, spring head is provided on spring.Cooperation between spring cavity inner spring head and reciprocal spool groove is stablized
Reliably, it ensure that the Stability and veracity for the reciprocal spool positioning that commutates every time, and then ensure that reciprocable valve inputs under single status
With the stability of output.
Further, oil return opening, the 6th hydraulic fluid port, drain port communicates in drain port and second in first；When reciprocal valve core movement,
Drain port is used for the disengaging of the second cavity both ends oil liquid in drain port and second in first.
Further, the internal screw thread opened up in reciprocating block is threadedly coupled with the external screw thread on push rod one end.
Further, the push rod other end has been connected through a screw thread first baffle.
Further, the 5th sealing ring is provided between the push rod and valve body；5th sealing ring can prevent oil liquid from
Two cavitys are flowed into the first cavity through push rod.
The beneficial effects of the present invention are:
It, can 1. a kind of automatic reciprocating valve gear of mechanical adjustable hydraulic is commutation power resources with internal system pressure oil
In the case where not having to control outside other, according to the motion conditions of oneself, automatic reverse, structure is simple, and controllability is strong, left
Right frequency is independently adjustable.
2. adjusting the hydraulic fluid flow rate in oil duct by the first adjusting bolt of setting and the second adjusting bolt, and then control
The time cycle of reciprocal process.
3. the cooperation between spring cavity inner spring head and reciprocal spool groove is reliable and stable, the reciprocal spool that commutates every time ensure that
The Stability and veracity of positioning, and then ensure the stability that reciprocable valve is output and input under single status.
4. all disengaging oil ducts are built in valve body, are reasonably distributed, are in picturesque disorder, make that reciprocal valve structure is compact, body
Product is small and exquisite, does not need external pipe.
Detailed description of the invention
Fig. 1 is a kind of mechanical automatic reciprocating valve gear overall structure diagram of adjustable hydraulic of the present invention；
Fig. 2 is the reciprocal valve core structure schematic diagram in Fig. 1；
Fig. 3 is the spring arrangement structural schematic diagram in Fig. 1；
Fig. 4 is the reciprocating block structural schematic diagram in Fig. 1；
Fig. 5 is the pusher structure schematic diagram in Fig. 1；
Fig. 6 is a kind of another duty construction schematic diagram of the automatic reciprocating valve gear of mechanical adjustable hydraulic.
Appended drawing reference is as follows:
First sealing ring 101, the first cavity 102, the first hydraulic fluid port 103, the second sealing ring 104, first adjust bolt 105,
Second adjusts bolt 106, third sealing ring 107, the first external tapping 108, the second external tapping 109, the second hydraulic fluid port 110, third oil
Mouthful the 111, first spring cavity 112, the second cavity 113, the 4th sealing ring 114, drain port 116, the 4th hydraulic fluid port in plug 115, first
117, the 5th hydraulic fluid port 118, oil inlet 119, oil return opening 120, drain port 122 in the 6th hydraulic fluid port 121, second, the 5th sealing ring 123,
6th sealing ring 124, sealing bolt 125, reciprocating block 126, cover board 127, push rod 128, the 7th hydraulic fluid port 129, valve body 130, first
Card slot 201, the second card slot 202, spool bore 203, reciprocal spool 204, second spring chamber 301, spring 302, spring head 303, spiral shell
Pit 401, first baffle 501, second baffle 502.
Specific embodiment
To be understood the present invention is further, done described below now in conjunction with attached drawing:
In conjunction with attached drawing 1,2,4 and 5, a kind of mechanical automatic reciprocating valve gear of adjustable hydraulic, including valve body 130；The valve
130 one end of body offers the first cavity 102；Reciprocating block 126 is provided in first cavity 102, reciprocating block 126 can be along first
The outer wall of cavity 102 moves back and forth；
The other end of the valve body 130 offers the second cavity 113, and reciprocal spool 204 is provided in the second cavity 113,
Reciprocal spool 204 can reciprocatingly slide along 113 outer wall of the second cavity, and spool bore 203, spool bore 203 are offered on reciprocal spool 204
It is inside provided with push rod 128, one end that push rod 128 extends spool bore 203 is arranged in reciprocating block 126；Among the push rod 128
Position is provided with second baffle 502, and second baffle 502 is placed in the second cavity 113, and is placed in the left side of reciprocal spool 204；
The first spring cavity 112 and second spring chamber 301, the first spring cavity 112 are offered on second cavity, 113 outer wall
With spring 302 is installed in second spring chamber 301；
The second card slot 201 and the first card slot 202 are offered on 204 excircle of reciprocal spool, and in the first card slot 201
It is opened up between the second card slot 202 fluted；
Oil inlet 119, oil return opening 120, the first external tapping 108 and the second external tapping are also provided on the valve body 130
109；
When station moves to the right, reciprocal spool 204 moves to right end under the promotion of second baffle 502, at this point, the
One card slot 202 moves to 112 position of the first spring cavity, and spring 302 blocks the first card slot 202 so that reciprocal spool 204 stop to
Right movement；
When station moves to the left, reciprocal spool 204 moves to left end under the promotion of first baffle 501, at this point, the
Two draw-in groove 201 moves to 301 position of second spring chamber, and spring 302 blocks the second card slot 201 so that reciprocal spool 204 stop to
Left movement；
When station moves to the right, the 5th hydraulic fluid port 118 and third hydraulic fluid port 111 are communicated, the 6th hydraulic fluid port 121 and the second hydraulic fluid port
110 communicate；Pressure oil enters the 5th hydraulic fluid port 118 from oil inlet 119, flows to third hydraulic fluid port 111 through the second cavity 113, presses at this time
Power oil two-way is flowed in external performance loop by the second external tapping 109 all the way, and another way flows to the entrance of the 7th hydraulic fluid port 129
First cavity, 102 left part, and then reciprocating block 126 is pushed to move right, push rod 128 is moved right with reciprocating block 126；It is located at
The oil liquid of first cavity, 102 right part flows to the second hydraulic fluid port 110 by the first hydraulic fluid port 103, flows to the 6th using the second cavity 113
Hydraulic fluid port 121 flows back to fuel tank through oil return opening 120；The oil liquid in performance loop flows to second by the first external tapping 108 at the same time
Hydraulic fluid port 110 flows to the 6th hydraulic fluid port 121 by the second cavity 113, then flows back to fuel tank through oil return opening 120；
When station moves to the left, the 5th hydraulic fluid port 118 and the second hydraulic fluid port 110 are communicated, the 6th hydraulic fluid port 121 and third hydraulic fluid port
111 communicate；Pressure oil enters the 5th hydraulic fluid port 118 from oil inlet 119, flows to the second hydraulic fluid port 110 through the second cavity 113, presses at this time
Power oil two-way is flowed in external performance loop by the first external tapping 108 all the way, and another way flows to the entrance of the first hydraulic fluid port 103
First cavity, 102 right part, and then reciprocating block 126 is pushed to move downward, push rod 128 is moved downward with reciprocating block 126；It is located at
The oil liquid of first cavity, 102 left part flows to third hydraulic fluid port 111 by the 7th hydraulic fluid port 129, flows to the 4th using the second cavity 113
Hydraulic fluid port 117 flows back to fuel tank through oil return opening 120；The oil liquid in performance loop flows to third by the second external tapping 109 at the same time
Hydraulic fluid port 111 flows to the 4th hydraulic fluid port 117 by the second cavity 113, then flows back to fuel tank through oil return opening 120.
The specific course of work:
Reciprocating block 126 is located in the first cavity 102 in valve body 130, is provided with threaded hole 401 and the shape between valve body 130
At prismatic pair, reciprocable；128 left end of push rod is threadedly coupled with the formation of threaded hole 401 in reciprocating block 126, with valve body 130
Between be equipped with and the 5th sealing ring 123 and form prismatic pair.Second baffle 502 is equipped among push rod 128, for during reciprocal
Spool is pushed to move right transposition.128 right end of push rod is connected through a screw thread with first baffle 501, and first baffle 501 is used for past
Spool is pushed to be moved to the left transposition during multiple；First is adjusted between bolt 105 and valve body 130 equipped with the second sealing ring 104, work
First adjusts bolt 105 by adjusting the flow between third hydraulic fluid port 111 and the 7th hydraulic fluid port 129 when making, and then controls reciprocal mistake
The time cycle of journey.Second adjusts and is equipped with third sealing ring 107 between bolt 106 and valve body 130, and second adjusts bolt when work
106 by adjusting the flow between the first hydraulic fluid port 103 and the second hydraulic fluid port 110, and then controls the time cycle of reciprocal process；Cover board
127 are mounted on valve body 130 by sealing bolt 125, and by the first sealing ring 101 and the 6th sealing ring 124, complete first
Cavity 102 and extraneous sealing.The 4th sealing ring 114 is equipped between plug 115 and valve body 130, complete the second cavity 113 with it is outer
The sealing on boundary；Spring 302, spring head 303 share two pairs, are located at the first spring cavity 112 and second spring chamber of valve body 130
In 301；Spool bore 203 is provided among reciprocal spool 204, push rod 128 is formed by spool bore 203 and reciprocal spool 204 and moved
It is secondary.Reciprocal spool 204 is provided with the first card slot 201 and the second card slot 202 simultaneously, and spring head 303 is by being stuck in the first card when work
The positioning to reciprocal spool 204 is realized in slot 201 and the second card slot 202；Second hydraulic fluid port 110, the first external tapping 108 and the first oil
Mouth 103 communicates.Third hydraulic fluid port 111, the second external tapping 109 and the 7th hydraulic fluid port 129 communicate.118 phase of oil inlet 119 and the 5th hydraulic fluid port
It is logical.Drain port 122 communicates in drain port 116 and second in oil return opening 120, the 6th hydraulic fluid port 121, first.When reciprocal spool 204 moves
When, drain port 122 is used for the disengaging of 113 both ends oil liquid of the second cavity in drain port 116 and second in first；
As shown in figs. 1 and 3, the spring head 303 at this time in second spring chamber 301 is stuck in the first card slot of reciprocal spool 204
In 201, the 5th hydraulic fluid port 118 and third hydraulic fluid port 111 are communicated, and the 6th hydraulic fluid port 121 and the second hydraulic fluid port 110 communicate.Pressure oil is from oil inlet
Mouth 119 enters the 5th hydraulic fluid port 118, flows to third hydraulic fluid port 111 through the second cavity 113.Pressure oil two-way at this time, all the way by the
Two external tappings 109 flow in external performance loop, and another way flows to the 7th hydraulic fluid port 129 by the first adjusting bolt 105 and enters the
One cavity, 102 left part, and then reciprocating block 126 is pushed to move right, push rod 128 is moved right with reciprocating block 126.Positioned at
The oil liquid of one cavity, 102 right part flows to the second hydraulic fluid port 110 by the first hydraulic fluid port 103, flows to the 6th oil using the second cavity 113
Mouth 121, flows back to fuel tank through oil return opening 120.The oil liquid in performance loop flows to the second oil by the first external tapping 108 at the same time
Mouth 110, flows to the 6th hydraulic fluid port 121 by the second cavity 113, then flow back to fuel tank through oil return opening 120.A kind of machinery in this case
The automatic reciprocating valve gear of formula adjustable hydraulic complete it is fuel-displaced from the second external tapping 109, from the movement of 108 oil return of the first external tapping.
When push rod 128 is moved right with reciprocating block 126 to certain, baffle 2 502 and reciprocal 204 left end of spool
Face contact, 303 spring force of spring head for pushing reciprocal spool 204 to overcome second spring chamber 301 move right.Move to certain
When spring head 303 at the first spring cavity 112 fairly fall in the second card slot 202, reciprocating block 126 and the first cavity at this time
The contact of 102 right ends is not moving, and reciprocal spool 204 completes spool transposition movement.Reciprocable valve enters working condition as shown in Figure 6.
As shown in Figure 1, the spring head 303 in second spring chamber 301 is stuck in the second card slot 202 of reciprocal spool 204 at this time
In, the 5th hydraulic fluid port 118 and the second hydraulic fluid port 110 communicate, and the 6th hydraulic fluid port 121 and third hydraulic fluid port 111 communicate.Pressure oil is from oil inlet
119 enter the 5th hydraulic fluid port 118, flow to the second hydraulic fluid port 110 through the second cavity 113.Pressure oil two-way at this time passes through first all the way
External tapping 108 flows in external performance loop, and another way flows to the first hydraulic fluid port 103 into first by the second adjusting bolt 106
102 right part of cavity, and then reciprocating block 126 is pushed to move downward, push rod 128 is moved downward with reciprocating block 126.Positioned at first
The oil liquid of 102 left part of cavity flows to third hydraulic fluid port 111 by the 7th hydraulic fluid port 129, flows to the 4th hydraulic fluid port using the second cavity 113
117, fuel tank is flowed back to through oil return opening 120.The oil liquid in performance loop flows to third hydraulic fluid port by the second external tapping 109 at the same time
111, the 4th hydraulic fluid port 117 is flowed to by the second cavity 113, then flow back to fuel tank through oil return opening 120.It is a kind of mechanical in this case
The automatic reciprocating valve gear of adjustable hydraulic complete it is fuel-displaced from the first external tapping 108, from the movement of 109 oil return of the second external tapping.
When push rod 128 is moved downward with reciprocating block 126 to certain, first baffle 501 and reciprocal spool 204 are right
End face contact, 303 spring force of spring head for pushing reciprocal spool 204 to overcome the first spring cavity 112 move downward.It moves to a certain
Spring head 303 when place at second spring chamber 301 is fairly fallen in the first card slot 201, at this time reciprocating block 126 and the first chamber
The contact of 102 left end of body is not moving, and reciprocal spool 204 completes spool transposition movement.Reciprocable valve enters work feelings as shown in Figure 1
Condition.
In this way, a kind of automatic reciprocating valve gear of mechanical adjustable hydraulic can it is control outside other in the case where,
Automatically switch under two kinds of working conditions of Fig. 1 and Fig. 6.Bolt 106 is adjusted by rotation the first adjusting bolt 105, second to change
Become the uninterrupted in its corresponding runner, that is, control the time of a certain movement travel of reciprocating block 126, and left and right stroke can be with
Separate regulation is independent of each other.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not
In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement
Or modification all belongs to the scope of protection of the present invention.
Claims (9)
1. a kind of automatic reciprocating valve gear of mechanical adjustable hydraulic, which is characterized in that including valve body (130)；The valve body (130)
One end offers the first cavity (102)；It is provided with reciprocating block (126) in first cavity (102), reciprocating block (126) can edge
The outer wall of first cavity (102) moves back and forth；
The other end of the valve body (130) offers the second cavity (113), is provided with reciprocal spool in the second cavity (113)
(204), reciprocal spool (204) can reciprocatingly slide along the second cavity (113) outer wall, offer spool bore on reciprocal spool (204)
(203), it is provided with push rod (128) in spool bore (203), one end that push rod (128) extends spool bore (203) is arranged reciprocal
In block (126)；Push rod (128) middle position is provided with second baffle (502), and second baffle (502) is placed in the second cavity
(113) in, and it is placed in the left side of reciprocal spool (204)；
The first spring cavity (112) and second spring chamber (301), the first spring cavity are offered on second cavity (113) outer wall
(112) and in second spring chamber (301) spring (302) are installed；
The second card slot (201) and the first card slot (202) are offered on reciprocal spool (204) excircle, and in the first card slot
(201) it is opened up between the second card slot (202) fluted；
It is external that oil inlet (119), oil return opening (120), the first external tapping (108) and second are also provided on the valve body (130)
Mouth (109)；
When station moves to the right, reciprocal spool (204) movement progress second baffle (502) moves to right end, at this point, first
Card slot (202) moves to the first spring cavity (112) position, and spring (302) blocks the first card slot (202), so that reciprocal spool
(204) stop moving right；
When station moves to the left, reciprocal spool (204) movement progress first baffle (501) moves to left end, at this point, second
Card slot (201) moves to second spring chamber (301) position, and spring (302) blocks the second card slot (201), so that reciprocal spool
(204) stop moving downward；
When station moves to the right, the 5th hydraulic fluid port (118) and third hydraulic fluid port (111) are communicated, the 6th hydraulic fluid port (121) and the second hydraulic fluid port
(110) it communicates；Pressure oil enters the 5th hydraulic fluid port (118) from oil inlet (119), flows to third hydraulic fluid port through the second cavity (113)
(111), pressure oil two-way at this time is flowed in external performance loop by the second external tapping (109) all the way, and another way flows to the
Seven hydraulic fluid ports (129) enter the first cavity (102) left part, and then reciprocating block (126) is pushed to move right, and push rod (128) is with reciprocal
Block (126) moves right together；Oil liquid positioned at the first cavity (102) right part flows to the second hydraulic fluid port by the first hydraulic fluid port (103)
(110), the 6th hydraulic fluid port (121) is flowed to using the second cavity (113), flows back to fuel tank through oil return opening (120)；It works at the same time
Oil liquid in circuit flows to the second hydraulic fluid port (110) by the first external tapping (108), flows to the 6th oil by the second cavity (113)
Mouth (121), then fuel tank is flowed back to through oil return opening (120)；
When station moves to the left, the 5th hydraulic fluid port (118) and the second hydraulic fluid port (110) are communicated, the 6th hydraulic fluid port (121) and third hydraulic fluid port
(111) it communicates；Pressure oil enters the 5th hydraulic fluid port (118) from oil inlet (119), flows to the second hydraulic fluid port through the second cavity (113)
(110), pressure oil two-way at this time is flowed in external performance loop by the first external tapping (108) all the way, and another way flows to the
One hydraulic fluid port (103) enters the first cavity (102) right part, and then reciprocating block (126) is pushed to move downward, and push rod (128) is with reciprocal
Block (126) moves downward together；Oil liquid positioned at the first cavity (102) left part flows to third hydraulic fluid port by the 7th hydraulic fluid port (129)
(111), the 4th hydraulic fluid port (117) is flowed to using the second cavity (113), flows back to fuel tank through oil return opening (120)；It works at the same time
Oil liquid in circuit flows to third hydraulic fluid port (111) by the second external tapping (109), and by the second cavity, (113 flow to the 4th hydraulic fluid port
(117), then through oil return opening (120) fuel tank is flowed back to.
2. the automatic reciprocating valve gear of mechanical adjustable hydraulic according to claim 1, which is characterized in that the third hydraulic fluid port
(111) the first adjusting bolt (105) is provided on the oil circuit between the 7th hydraulic fluid port (129), first, which adjusts bolt (105), is used to
Adjust the hydraulic fluid flow rate between third hydraulic fluid port (111) and the 7th hydraulic fluid port (129).
3. the automatic reciprocating valve gear of mechanical adjustable hydraulic according to claim 1, which is characterized in that first hydraulic fluid port
(103) the second adjusting bolt (106) is provided on the oil circuit between the second hydraulic fluid port (110), second, which adjusts bolt (106), is used to
Adjust the hydraulic fluid flow rate between the first hydraulic fluid port (103) and the second hydraulic fluid port (110).
4. the automatic reciprocating valve gear of mechanical adjustable hydraulic according to claim 1, which is characterized in that cover board (127) is logical
It crosses sealing bolt (125) to be mounted on valve body (130), and by the first sealing ring (101) and the 6th sealing ring (124), completes
First cavity (102) and extraneous sealing；It is equipped with sealing ring four (114) between plug (115) and valve body (130), completes second
Cavity (113) and extraneous sealing.
5. the automatic reciprocating valve gear of mechanical adjustable hydraulic according to claim 1, which is characterized in that on spring (302)
It is provided with spring head (303).
6. the automatic reciprocating valve gear of mechanical adjustable hydraulic according to claim 1, which is characterized in that oil return opening (120),
6th hydraulic fluid port (121), drain port (122) communicates in drain port (116) and second in first；When reciprocal spool (204) movement, first
Drain port (122) is used for the disengaging of the second cavity (113) both ends oil liquid in interior drain port (116) and second.
7. the automatic reciprocating valve gear of mechanical adjustable hydraulic according to claim 1, which is characterized in that reciprocating block (126)
On the internal screw thread (401) that opens up be threadedly coupled with the external screw thread on push rod (128) one end.
8. the automatic reciprocating valve gear of mechanical adjustable hydraulic according to claim 7, which is characterized in that push rod (128) is another
One end has been connected through a screw thread first baffle (501).
9. the automatic reciprocating valve gear of mechanical adjustable hydraulic according to claim 1, which is characterized in that the push rod
(128) the 5th sealing ring (123) is provided between valve body (130)；5th sealing ring (123) can prevent oil liquid from the second cavity
(113) it is flowed into the first cavity (102) through push rod (128).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016697.4A CN109681484A (en) | 2019-01-08 | 2019-01-08 | A kind of automatic reciprocating valve gear of mechanical adjustable hydraulic |
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| CN201910016697.4A CN109681484A (en) | 2019-01-08 | 2019-01-08 | A kind of automatic reciprocating valve gear of mechanical adjustable hydraulic |
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| CN109681484A true CN109681484A (en) | 2019-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118210A (en) * | 2019-05-10 | 2019-08-13 | 北京丹诺威科技发展有限公司 | A kind of adjustable automatic repeatedly hydraulic cylinder of stroke |
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| US5415138A (en) * | 1994-02-28 | 1995-05-16 | Brunswick Corporation | Pushrod guide for an overhead valve engine and method of installing the same |
| KR101507342B1 (en) * | 2014-05-20 | 2015-03-31 | (주)제일피엠씨 | Oil pressure adjustment valve with improved neutral state return damping and neutral state return speed fuction |
| CN107178536A (en) * | 2017-07-14 | 2017-09-19 | 南通理工智能制造技术有限公司 | A kind of integral type automatic reciprocating air cylinder device |
| CN107339464A (en) * | 2017-08-23 | 2017-11-10 | 南通理工智能制造技术有限公司 | A kind of automatic reciprocating fluid pressure valve device of compact type |
| CN107339278A (en) * | 2017-08-23 | 2017-11-10 | 南通理工智能制造技术有限公司 | A kind of automatic reciprocating hydraulic cylinder of stroke controllable type |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5415138A (en) * | 1994-02-28 | 1995-05-16 | Brunswick Corporation | Pushrod guide for an overhead valve engine and method of installing the same |
| KR101507342B1 (en) * | 2014-05-20 | 2015-03-31 | (주)제일피엠씨 | Oil pressure adjustment valve with improved neutral state return damping and neutral state return speed fuction |
| CN107178536A (en) * | 2017-07-14 | 2017-09-19 | 南通理工智能制造技术有限公司 | A kind of integral type automatic reciprocating air cylinder device |
| CN107339464A (en) * | 2017-08-23 | 2017-11-10 | 南通理工智能制造技术有限公司 | A kind of automatic reciprocating fluid pressure valve device of compact type |
| CN107339278A (en) * | 2017-08-23 | 2017-11-10 | 南通理工智能制造技术有限公司 | A kind of automatic reciprocating hydraulic cylinder of stroke controllable type |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110118210A (en) * | 2019-05-10 | 2019-08-13 | 北京丹诺威科技发展有限公司 | A kind of adjustable automatic repeatedly hydraulic cylinder of stroke |
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