CN204900176U - Driving oil cylinder's two -way hand pump of axial plunger type - Google Patents
Driving oil cylinder's two -way hand pump of axial plunger type Download PDFInfo
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- CN204900176U CN204900176U CN201520703213.0U CN201520703213U CN204900176U CN 204900176 U CN204900176 U CN 204900176U CN 201520703213 U CN201520703213 U CN 201520703213U CN 204900176 U CN204900176 U CN 204900176U
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Abstract
The utility model discloses a driving oil cylinder's two -way hand pump of axial plunger type belongs to cannon hydraulic drive and behaviour and takes aim at technical field, is equipped with eight plunger compartments at cylinder body circumference equipartition, plunger of every plunger compartment's in -connection, plunger keep under the effect of spring force separately with sloping cam plate in close contact with. When the subsequent rotation hand wheel, the sloping cam plate forces the plunger to make reciprocating motion and accomplish and join in marriage stream in the cylinder body. An oil absorption and oil extraction are respectively accomplished to hand wheel revolution a week, every plunger. If change the direction of rotation of hand wheel, just can change oil absorption and oil extraction direction. Two tee bend hydraulic control switching -over valve and check valve ensure that messenger's inlet port can communicate with each other with the oil return chamber and the oil tank of hydro -cylinder all the time when the direction change of oil absorption and oil extraction, and the oil drain port communicates with each other and prevents that the fluid in this chamber from flowing back to the oil tank with the oil feed chamber of hydro -cylinder all the time. Change high low -key big gun gear drive's mode in the past, realized the accurate operation requirement of transferring the big gun of two orientations of cannon height, simplified the cannon total arrangement.
Description
Technical field
The utility model relates to a kind of manual pump, particularly relates to a kind of axial piston double-acting hand pump driving oil cylinder, belongs to cannon hydraulic transmission and behaviour takes aim at technical field.
Background technique
On current cannon, high low-key big gun majority uses gear in conjunction with the mechanical transmission form of worm and gear, and this mechanical drive mechanism size is large, Heavy Weight, is unfavorable for the general arrangement of cannon.Along with the development of cannon general technical, the height pitching motion realizing cannon by hydraulic jack can make cannon general arrangement be optimized lifting.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of axial piston double-acting hand pump driving oil cylinder, adapting to use oil cylinder to provide to the requirement realizing cannon height pitching motion in cannon general technical, is a kind of by manually rocking-turn providing the axial piston double-acting hand pump of power to oil cylinder continuously.This axial piston double-acting hand pump can be stretched out by the piston rod of hand mode hydraulic control oil cylinder or be retracted, thus cannon firing angle becomes large when realizing rotating clockwise axial piston double-acting hand pump, the cannon pitching motion requirement that when rotating counterclockwise, cannon firing angle diminishes.
The utility model solves the technological scheme that its technical problem adopts: a kind of axial piston double-acting hand pump driving oil cylinder, it is made up of body, handwheel, handwheel ball bearing, swash plate ball bearing, swash plate, plunger, cambered axle, ball bearing, spring seat, spring, cylinder body, sealing cover, two-position three way hydraulic control reversing valve, hydraulic circuit block, pipe joint A, pipe joint B, pipe joint C, one-way valve A, one-way valve B.Described body is made up of body, rear end cover, front cover, volution, is connected with rear end cover, is connected with front cover in the front end of body by volution in the rear end of body by screw, pressing plate.In body, cylinder body is installed, eight plunger compartments are laid with in cylinder body circumference, have in each plunger compartment one can plunger in axial sliding, plunger is barrel shaped structure and is provided with distributing groove, outwards spring is connected with in turn at barrel-shaped plunger inner bottom part, spring seat, sealing cover, sealing cover is compressed against on rear end cover under spring force, by handwheel ball bearing on front cover, volution is connected with cambered axle, handwheel is connected with in cambered axle one end, the cambered axle the other end is inserted in the ball bearing inner race being arranged on cylinder body center, formed and support, swash plate is connected with by swash plate ball bearing at the middle part of cambered axle, swash plate side is formed to contact with the outer end, bottom of eight barrel-shaped plungers simultaneously connects under the spring action of tubular plunger indoor.The plane of body periphery is connected with hydraulic circuit block, hydraulic circuit block is provided with two-position three way hydraulic control reversing valve, pipe joint A, pipe joint B, pipe joint C, one-way valve A, one-way valve B, two-position three way hydraulic control reversing valve by the internal oil passages of hydraulic circuit block respectively with the hydraulic fluid port A on manual pump body, hydraulic fluid port B, pipe joint C communicates, one-way valve A, one end of one-way valve B is respectively by the hydraulic fluid port A on the internal oil passages of hydraulic circuit block and manual pump body, hydraulic fluid port B is communicated with, the other end is connected with pipe joint C, pipe joint C is connected with fuel tank by pipeline simultaneously, pipe joint A, pipe joint B is respectively by the hydraulic fluid port A on the internal oil passages of hydraulic circuit block 15 and manual pump body, hydraulic fluid port B is communicated with, pipe joint A simultaneously, pipe joint B is connected with driven hydraulic jack respectively by pipeline.
Structural principle: 1, plunger at one end keeps head and swash plate close contact under spring force.When hand wheel rotating, due to the effect of swash plate, force plunger reciprocating and carry out flow by eight plungers in cylinder body.Handwheel often turns around, and each plunger respectively completes an oil suction and oil extraction.As changed the sense of rotation of handwheel, the direction of oil suction and oil extraction just can be changed.2, when the sense of rotation of handwheel changes, the valve element position being arranged on the two-bit triplet hydraulic control reversing valve of the hydraulic circuit block on axial piston double-acting hand pump body changes under the effect of oil drain out pressure oil, thus allowing the oil suction chamber of oil cylinder communicate with the oil drain out of axial piston double-acting hand pump all the time, oil back chamber communicates with the inlet port of axial piston double-acting hand pump.When guaranteeing the sense of rotation changing handwheel, the piston rod of oil cylinder can be retracted and stretch out by continuous print.3, two hydraulic fluid ports of axial piston double-acting hand pump are installed an one-way valve respectively and are connected with fuel tank, achieve a hydraulic fluid port when axial piston double-acting hand pump by one-way valve from fuel tank oil suction time, the one-way valve of oil drain out then block discharge fluid flow back to fuel tank.
The beneficial effects of the utility model are: change the gear-driven mode of high low-key big gun in the past, the bidirectional hydraulic pump adopting shaking type is power source, be applied to the manual high low-key big gun of cannon, adapt to the precision regulating big gun action usage requirement of cannon height pitching both direction, save installing space, simplify cannon total arrangement.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Fig. 1 is a kind of structural representation driving the axial piston double-acting hand pump of oil cylinder of the utility model.
Hydraulic principle figure when Fig. 2 is the clockwise rocking-turn handwheel of Fig. 1.
Hydraulic principle figure when Fig. 3 is the counterclockwise rocking-turn handwheel of Fig. 1.
Piston valving figure when Fig. 4 is the clockwise rocking-turn handwheel of Fig. 2.
Piston valving figure when Fig. 5 is the counterclockwise rocking-turn handwheel of Fig. 3.
Fig. 6 is that the K of Fig. 1 is to partial structurtes schematic diagram.
Reference character
1, handwheel 2, front cover 3, handwheel ball bearing 4, swash plate ball bearing 5, swash plate
6, plunger 7, cambered axle 8, ball bearing 9, spring seat 10, spring 11, cylinder body
12, sealing cover 13, rear end cover 14, two-position three way hydraulic control reversing valve
15, hydraulic circuit block 16, pipe joint A17, pipe joint B18, pipe joint C
19, volution 20, one-way valve A21, one-way valve B.
Embodiment
Refer to Fig. 1 to Fig. 6, drive an axial piston double-acting hand pump for oil cylinder, it is made up of body, handwheel, handwheel ball bearing, swash plate ball bearing, swash plate, plunger, cambered axle, ball bearing, spring seat, spring, cylinder body, sealing cover, two-position three way hydraulic control reversing valve, hydraulic circuit block, pipe joint A, pipe joint B, pipe joint C, one-way valve A, one-way valve B.Described body is made up of body, rear end cover 13, front cover 2, volution 19, is connected with rear end cover 13, is connected with front cover 2 in the front end of body by volution 19 in the rear end of body by screw, pressing plate.Cylinder body 11 is installed in body, eight plunger compartments are laid with in cylinder body 11 circumference, have in each plunger compartment one can plunger 6 in axial sliding, plunger 6 is barrel shaped structure and is provided with distributing groove, spring 10 is outwards connected with in turn at barrel-shaped plunger 6 inner bottom part, spring seat 9, sealing cover 12, sealing cover 12 is compressed against on rear end cover 13 under spring force, by handwheel ball bearing 3 on front cover 2, volution 19 is connected with cambered axle 7, handwheel 1 is connected with in cambered axle 7 one end, cambered axle 7 the other end is inserted into and is arranged in ball bearing 8 inner ring at cylinder body 11 center, formed and support, swash plate 5 is connected with by swash plate ball bearing 4 at the middle part of cambered axle 7, formed to contact with the outer end, bottom of eight barrel-shaped plungers 6 under the spring 10 of swash plate 5 side in tubular plunger indoor acts on simultaneously and connect.The plane of body periphery is connected with hydraulic circuit block 15, hydraulic circuit block 15 is provided with two-position three way hydraulic control reversing valve 14, pipe joint A16, pipe joint B17, pipe joint C18, one-way valve A20, one-way valve B21, two-position three way hydraulic control reversing valve 14 by the internal oil passages of hydraulic circuit block 15 respectively with the hydraulic fluid port A on manual pump body, hydraulic fluid port B, pipe joint C18 communicates, one-way valve A20, one end of one-way valve B21 is respectively by the hydraulic fluid port A on the internal oil passages of hydraulic circuit block 15 and manual pump body, hydraulic fluid port B is communicated with, the other end is connected with pipe joint C18, pipe joint C18 is connected with fuel tank by pipeline simultaneously, pipe joint A16, pipe joint B17 is respectively by the hydraulic fluid port A on the internal oil passages of hydraulic circuit block 15 and manual pump body, hydraulic fluid port B is communicated with, pipe joint A16 simultaneously, pipe joint B17 is connected with driven hydraulic jack respectively by pipeline.
Working principle: eight plungers 6 of axial piston double-acting hand pump are parallel to the shaft axis of cylinder body 11, and are evenly distributed in eight plunger compartments of cylinder body 11.Normal and cylinder body 11 axis of swash plate 5 have an angle ν.Plunger 6 keeps and swash plate 5 close contact under the effect of spring 10, spring seat 9.During shake handwheel 1, swash plate 5 is driven to rotate by the cambered axle 7 that handwheel 1 connects, under the effect of swash plate 5 and spring 10, eight plungers 6 repeatedly move in turn in cylinder body 11 inside between upper dead center and lower dead centre, when swash plate 5 often rotates 1/8 circumference, just have three plungers in eight plungers 6 and be in oil suction state; Three are in oil extraction state; One is in upper dead center, a limit position being in lower dead centre.After handwheel 1 often rotates a circle, each plunger all completes an oil suction and oil extraction.
During clockwise rocking-turn handwheel 1, hydraulic fluid port A is oil drain out, and hydraulic fluid port B is inlet port, and under the pressure oil effect in oil drain out A, oil cylinder C chamber and fuel tank are separated (see figure 2) while being connected in oil cylinder D chamber and fuel tank by two-position three way hydraulic control valve 14.When rotating clockwise handwheel 1 continuously, the fluid of oil drain out A constantly enters oil cylinder C chamber, and the fluid in oil cylinder D chamber is got back in fuel tank by two-position three way hydraulic control valve 14, and the piston rod of oil cylinder just can stretch out continuously.The flow situation of plunger is shown in Fig. 4 (in figure, M is plunger distributing groove, and N is plunger compartment).
In Fig. 4, the situation of each plunger is: a plunger is positioned at lower dead centre; Two, three, No. four downward dead-centre motion of plunger; Kingpin plug is positioned at upper dead center; Six, seven, No. eight plungers upwards dead-centre motion time state.Concrete flow situation is as follows:
Entered in oil drain out A by the fluid compressed by the distributing groove of No. four plungers in No. two plunger compartments, one-way valve A20 closes by the fluid of A mouth, prevents fluid from flowing back to fuel tank;
Entered in oil drain out A by the fluid compressed by the distributing groove of kingpin plug in No. three plunger compartments, one-way valve A20 closes by the fluid of A mouth, prevents fluid from flowing back to fuel tank;
Entered in oil drain out A by the fluid compressed by the distributing groove of No. six plungers in No. four plunger compartments, one-way valve A20 closes by the fluid of A mouth to close, and prevents fluid from flowing back to fuel tank;
Under the effect of No. six plunger compartment's degree of vacuum, one-way valve B21 is opened, and the fluid in fuel tank enters in plunger compartment by inlet port B from the distributing groove of No. eight plungers;
Under the effect of mother-in-law plug room degree of vacuum, one-way valve B21 opens, and the fluid in fuel tank enters in plunger compartment by inlet port B from the distributing groove of a plunger;
Under the effect of No. eight plunger compartment's degree of vacuum, one-way valve B21 is opened, and the fluid in fuel tank is entered in plunger compartment from the distributing groove of No. two plungers by inlet port B.
When counterclockwise rocking-turn handwheel 1, hydraulic fluid port A is inlet port, hydraulic fluid port B is oil drain out, under pressure oil effect in oil drain out B, oil cylinder D chamber and fuel tank are separated (see figure 3) while being connected in oil cylinder C chamber and fuel tank by two-position three way hydraulic control valve 14, and when rotating counterclockwise handwheel 1 continuously, the fluid of oil drain out B constantly enters oil cylinder D chamber, and the fluid in oil cylinder C chamber is got back in fuel tank by two-position three way hydraulic control valve 14, the piston rod of oil cylinder just can be retracted continuously.The flow situation of plunger is shown in Fig. 5.
In Fig. 5, the situation of each plunger is: a plunger is positioned at lower dead centre; Two, three, No. four plungers upwards dead-centre motion; Kingpin plug is positioned at upper dead center; Six, state during the downward dead-centre motion of seven, No. eight plungers.Concrete flow situation is as follows:
Under the effect of No. two plunger compartment's degree of vacuum, one-way valve B21 is opened, and the fluid in fuel tank enters in plunger compartment by inlet port A from the distributing groove of No. four plungers;
Under the effect of No. three plunger compartment's degree of vacuum, one-way valve B21 is opened, and the fluid in fuel tank enters in plunger compartment by inlet port A from the distributing groove of kingpin plug;
Under the effect of No. four plunger compartment's degree of vacuum, one-way valve B21 is opened, and the fluid in fuel tank enters in plunger compartment by inlet port A from the distributing groove of No. six plungers;
Entered in oil drain out B by the fluid compressed by the distributing groove of No. eight plungers in No. six plunger compartments, one-way valve A20 closes by the fluid of B mouth, prevents fluid from flowing back to fuel tank;
Entered in oil drain out B by the fluid compressed by the distributing groove of a plunger in mother-in-law plug room, one-way valve A20 closes by the fluid of B mouth, prevents fluid from flowing back to fuel tank;
Entered in oil drain out B by the fluid compressed by the distributing groove of No. two plungers in No. eight plunger compartments, one-way valve AC20 closes by the fluid of B mouth, prevents fluid from flowing back to fuel tank.
Claims (1)
1. one kind drives the axial piston double-acting hand pump of oil cylinder, it is by body, handwheel, handwheel ball bearing, swash plate ball bearing, swash plate, plunger, cambered axle, ball bearing, spring seat, spring, cylinder body, sealing cover, two-position three way hydraulic control reversing valve, hydraulic circuit block, pipe joint A, pipe joint B, pipe joint C, one-way valve A, one-way valve B forms, it is characterized in that: described body is by body, rear end cover (13), front cover (2), volution (19) is formed, screw is passed through in the rear end of body, pressing plate is connected with rear end cover (13), front cover (2) is connected with by volution (19) in the front end of body, cylinder body (11) is installed in body, eight plunger compartments are laid with in cylinder body (11) circumference, have in each plunger compartment one can plunger (6) in axial sliding, plunger (6) is for barrel shaped structure and be provided with distributing groove, spring (10) is outwards connected with in turn at barrel-shaped plunger (6) inner bottom part, spring seat (9), sealing cover (12), sealing cover (12) is compressed against on rear end cover (13) under spring force, by handwheel ball bearing (3) on front cover (2), volution (19) is connected with cambered axle (7), handwheel (1) is connected with in cambered axle (7) one end, cambered axle (7) the other end is inserted into and is arranged in ball bearing (8) inner ring at cylinder body (11) center, formed and support, swash plate (5) is connected with by swash plate ball bearing (4) at the middle part of cambered axle (7), formed to contact with the outer end, bottom of eight barrel-shaped plungers (6) under spring (10) effect of swash plate (5) side in tubular plunger indoor simultaneously and connect, the plane of body periphery is connected with hydraulic circuit block (15), hydraulic circuit block (15) is provided with two-position three way hydraulic control reversing valve (14), pipe joint A(16), pipe joint B(17), pipe joint C(18), one-way valve A(20), one-way valve B(21), two-position three way hydraulic control reversing valve (14) by the internal oil passages of hydraulic circuit block (15) respectively with the hydraulic fluid port A on manual pump body, hydraulic fluid port B, pipe joint C(18) communicate, one-way valve A(20), one-way valve B(21) one end respectively by the hydraulic fluid port A on the internal oil passages of hydraulic circuit block (15) and manual pump body, hydraulic fluid port B is communicated with, the other end and pipe joint C(18) be connected, pipe joint C(18 simultaneously) be connected with fuel tank by pipeline, pipe joint A(16), pipe joint B(17) respectively by the hydraulic fluid port A on the internal oil passages of hydraulic circuit block (15) and manual pump body, hydraulic fluid port B is communicated with, simultaneously pipe joint A(16), pipe joint B(17) be connected with driven hydraulic jack respectively by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703213.0U CN204900176U (en) | 2015-09-13 | 2015-09-13 | Driving oil cylinder's two -way hand pump of axial plunger type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703213.0U CN204900176U (en) | 2015-09-13 | 2015-09-13 | Driving oil cylinder's two -way hand pump of axial plunger type |
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| Publication Number | Publication Date |
|---|---|
| CN204900176U true CN204900176U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520703213.0U Active CN204900176U (en) | 2015-09-13 | 2015-09-13 | Driving oil cylinder's two -way hand pump of axial plunger type |
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| CN (1) | CN204900176U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091211A (en) * | 2016-02-18 | 2017-08-25 | 阜新航飞液压机电设备有限公司 | Plunger pump |
| CN108050029A (en) * | 2017-12-05 | 2018-05-18 | 宁波市奉化溪口威尔特制泵厂 | A kind of energy-efficient inclined disc type high-pressure plunger pump |
| CN114718831A (en) * | 2022-03-30 | 2022-07-08 | 浙江大学 | High-pressure manual pump for closed hydraulic system |
-
2015
- 2015-09-13 CN CN201520703213.0U patent/CN204900176U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091211A (en) * | 2016-02-18 | 2017-08-25 | 阜新航飞液压机电设备有限公司 | Plunger pump |
| CN108050029A (en) * | 2017-12-05 | 2018-05-18 | 宁波市奉化溪口威尔特制泵厂 | A kind of energy-efficient inclined disc type high-pressure plunger pump |
| CN114718831A (en) * | 2022-03-30 | 2022-07-08 | 浙江大学 | High-pressure manual pump for closed hydraulic system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |