阅读说明：本技术 一种机械锁紧液压油缸 (A kind of mechanical interlocking hydraulic cylinder ) 是由 刘继同 赵凡 段启明 李渊亮 刘兆岭 郭道华 于 2019-09-19 设计创作，主要内容包括：本发明公开了一种机械锁紧液压油缸,属于液压油缸技术领域。一种机械锁紧液压油缸,包括油缸本体、活塞柱,所述活塞柱滑动连接在油缸本体内,所述油缸本体上固定连接有第一进出液口、第二进出液口,所述第一进出液口上固定连接有第一连接块,第二进出液口上固定连接有第二连接块,所述第一连接块、第二连接块内均滑动连接有连接挡块,所述连接挡块上设有驱动口；本发明中在控制活塞柱滑动时,可以在控制向一侧进出液口添加液压油的同时,控制另一侧进出液口打开,便于另一侧进出液口液压油的排出,在不需要控制活塞柱滑动时,进出液口自动闭合,同时通过齿槽可以将活塞柱进行固定,多重固定锁紧,锁紧效果好。(The invention discloses a kind of mechanical interlocking hydraulic cylinders, belong to technical field of hydraulic oil cylinder.A kind of mechanical interlocking hydraulic cylinder, including oil cylinder ontology, piston boit, the piston boit is slidably connected in oil cylinder ontology, the first liquid in-out mouth, the second liquid in-out mouth are fixedly connected on the oil cylinder ontology, the first link block is fixedly connected on the first liquid in-out mouth, it is fixedly connected with the second link block on second liquid in-out mouth, connection block is slidably connected in first link block, the second link block, the connection block is equipped with driving mouth；In the present invention when controlling piston boit sliding, it can be while control adds hydraulic oil to side liquid in-out mouth, other side liquid in-out mouth is controlled to open, convenient for the discharge of other side liquid in-out oral fluid pressure oil, when not needing control piston boit sliding, liquid in-out mouth is closed automatically, while piston boit can be fixed by tooth socket, multiple fixed locking, locking effect are good.)

1. a kind of mechanical interlocking hydraulic cylinder, including oil cylinder ontology (1), piston boit (101), piston boit (101) sliding connects It connects in oil cylinder ontology (1), the first liquid in-out mouth (102), the second liquid in-out mouth is fixedly connected on the oil cylinder ontology (1) (103), which is characterized in that be fixedly connected with the first link block (1021), the second liquid in-out on the first liquid in-out mouth (102) It is fixedly connected with the second link block (1031) on mouth (103), in first link block (1021), the second link block (1031) Connection block (3) is slidably connected, the connection block (3) is equipped with driving mouth (3001), and the connection block (3) is far from drive The open one's mouth one end of (3001) is fixedly connected with fixed baffle (301), the fixed baffle (301) close to driving mouth (3001) one End is fixedly connected with second spring (302), and the one end of two second springs (302) far from fixed baffle (301) is solid respectively Surely it is connected to the first link block (1021), on the second link block (1031)；

It is fixedly connected with outer stationary plates (2) on the oil cylinder ontology (1), slidably connects inner slider in the outer stationary plates (2) (203), the both ends of the inner slider (203) are fixedly connected to interior fixed block (202), and the interior fixed block (202) is located at interior The one end of slide plate (203) far from oil cylinder ontology (1), the interior fixed block (202) are equipped with third limited block (2021), limiting slot (2022), the fixed baffle (301) is equipped with the first limited block (303), the second limited block far from one end of connection block (3) (304), first limited block (303) is fixedly linked with the second limited block (304), first limited block (303) and third Limited block (2021) matches, and second limited block (304) matches with limiting slot (2022).

2. a kind of mechanical interlocking hydraulic cylinder according to claim 1, which is characterized in that solid on the piston boit (101) Surely it being connected with first connecting rod (4), the piston boit (101) is connected with the second connecting rod (401) by first connecting rod (4), Second connecting rod (401) is slidably connected on the outer wall of oil cylinder ontology (1), and second connecting rod (401) is equipped with the One tooth socket (4011), the inner slider (203) are equipped with the second tooth socket (2031), second tooth socket (2031) and the first tooth socket (4011) match.

3. a kind of mechanical interlocking hydraulic cylinder according to claim 2, which is characterized in that second connecting rod (401) Between oil cylinder ontology (1) and inner slider (203).

4. a kind of mechanical interlocking hydraulic cylinder according to claim 3, which is characterized in that the interior fixed block (202) is remote One end from inner slider (203) is fixedly connected with the first spring (201), and first spring (201) is far from interior fixed block (202) One end be fixedly connected on outer stationary plates (2).

5. a kind of mechanical interlocking hydraulic cylinder according to claim 4, which is characterized in that unilateral first spring (201) quantity is 2-4.

6. a kind of mechanical interlocking hydraulic cylinder according to claim 1, which is characterized in that the driving mouth (3001) is in wedge Shape.

7. a kind of mechanical interlocking hydraulic cylinder according to claim 6, which is characterized in that the fixed baffle (301) is remote One end from connection block (3) is fixedly connected with limit link block (305), the limit link block (305) and the first limited block (303) it is fixedly linked.

8. a kind of mechanical interlocking hydraulic cylinder according to claim 1, which is characterized in that the connection block (3) and the The equal hand sealing rubber pad in junction of one link block (1021), the second link block (1031), the connection block (3) and sealing rubber Elastic mounting is connected.

9. a kind of mechanical interlocking hydraulic cylinder according to claim 1, which is characterized in that the fixed baffle (301) is leaned on The side of fixed block (202) is fixedly connected with cushion in close.

10. a kind of mechanical interlocking hydraulic cylinder according to claim 1, which is characterized in that the inner slider (203) and outer The junction of fixed plate (2) is equipped with non-slip mat.

Technical field

The present invention relates to technical field of hydraulic oil cylinder more particularly to a kind of mechanical interlocking hydraulic cylinders.

Background technique

Hydraulic cylinder is that hydraulic energy is changed into mechanical energy, does straight reciprocating motion or the hydraulic of pendulum motion executes member Part, its structure is simple, reliable operation, when realizing reciprocating motion, can remove deceleration device from it, and do not have drive gap, Movement is steady, therefore is used widely in the hydraulic system of various machinery, hydraulic cylinder power output and piston effective area and The pressure difference on its both sides is directly proportional.

The locking of hydraulic cylinder is exactly to enable hydraulic cylinder is upper at an arbitrary position to stop, and do not influenced by external force.

There are many kinds of existing hydraulic locking cylinder methods, and the most commonly used is the locking circuits using hydraulic control one-way valve, utilizes oil The oil pressure of hydraulic oil fixes piston rod in cylinder, and hydraulic oil use for a long time can go bad, and the insufficient pressure of hydraulic oil may be led Activation stopper rod can be under moment；If leakproofness breaks down in hydraulic circuit, hydraulic oil leakage may cause, and then using Lead to the insufficient pressure of hydraulic press in journey, the working efficiency of hydraulic cylinder is not high.

Summary of the invention

The purpose of the present invention is to solve there are many kinds of existing hydraulic locking cylinder methods, the most commonly used is use hydraulic control list To the locking circuit of valve, piston rod is fixed using the oil pressure of hydraulic oil in oil cylinder, hydraulic oil use for a long time can go bad, liquid The insufficient pressure of pressure oil, may cause piston rod can be under moment；If leakproofness breaks down in hydraulic circuit, liquid may cause Pressure oil leakage, and then lead to the insufficient pressure of hydraulic press in use, the not high problem of the working efficiency of hydraulic cylinder, and mention A kind of mechanical interlocking hydraulic cylinder out.

To achieve the goals above, present invention employs following technical solutions:

A kind of mechanical interlocking hydraulic cylinder, including oil cylinder ontology, piston boit, the piston boit are slidably connected in oil cylinder ontology, It is fixedly connected with the first liquid in-out mouth, the second liquid in-out mouth on the oil cylinder ontology, is fixedly connected on the first liquid in-out mouth There is the first link block, be fixedly connected with the second link block on the second liquid in-out mouth, in first link block, the second link block Connection block is slidably connected, the connection block is equipped with driving mouth, and the connection block is fixed far from one end of driving mouth It is connected with fixed baffle, the fixed baffle is fixedly connected with second spring, two second bullets close to one end of driving mouth Spring is respectively fixedly connected on the first link block, the second link block far from one end of fixed baffle；

It is fixedly connected with outer stationary plates on the oil cylinder ontology, inner slider, the interior cunning are slidably connected in the outer stationary plates The both ends of plate are fixedly connected to interior fixed block, and the interior fixed block is located at the one end of inner slider far from oil cylinder ontology, described interior Fixed block is equipped with third limited block, limiting slot, and the fixed baffle is equipped with the first limited block, the far from one end of connection block Two limited blocks, first limited block are fixedly linked with the second limited block, and first limited block matches with third limited block, Second limited block matches with limiting slot.

Preferably, first connecting rod is fixedly connected on the piston boit, the piston boit is connected by first connecting rod There is the second connecting rod, second connecting rod is slidably connected on the outer wall of oil cylinder ontology, and second connecting rod is equipped with the One tooth socket, the inner slider are equipped with the second tooth socket, and second tooth socket matches with the first tooth socket.

Preferably, second connecting rod is between oil cylinder ontology and inner slider.

Preferably, the interior fixed block is fixedly connected with the first spring far from one end of inner slider, and first spring is remote One end from interior fixed block is fixedly connected on outer stationary plates.

Preferably, the quantity of unilateral first spring is 2-4.

Preferably, the driving mouth is wedge shaped.

Preferably, the fixed baffle is fixedly connected with limit link block far from one end of connection block, and the limit connects Block is connect to be fixedly linked with the first limited block.

Preferably, the equal hand sealing rubber pad in junction of the connection block and the first link block, the second link block, it is described Connection block is fixedly linked with sealing rubber pad.

Preferably, the fixed baffle is fixedly connected with cushion close to the side of interior fixed block.

Preferably, the junction of the inner slider and outer stationary plates is equipped with non-slip mat.

Compared with prior art, the present invention provides a kind of mechanical interlocking hydraulic cylinder, have it is following the utility model has the advantages that

1, the mechanical interlocking hydraulic cylinder, using when in use, piston boit is slided in oil cylinder ontology, the first liquid in-out mouth, the Hydraulic oil is injected into the left side of piston boit in oil cylinder ontology by the first liquid in-out mouth by the two external hydraulic oil pipes of liquid in-out mouth, When hydraulic oil passes through the first link block, driving mouth is wedge shaped, and then can push connection block to close to interior solid by driving mouth The direction for determining block is mobile, and hydraulic oil enters in oil cylinder ontology by the first link block；

Connect block it is mobile during, will drive fixed baffle, limit link block, the first limited block, the second limited block to Direction close to interior fixed block is mobile, second spring elongation, the first limited block can be driven by third limited block in fixed block to Lower slider, and then interior fixed block drives inner slider slide downward, the first spring-compressed；

And then in inner slider slide downward, the interior fixed block that will drive the second link block side is slided, the first spring-compressed, in turn Interior fixed block drives the second limited block mobile to the direction close to interior fixed block by limiting slot, so that the second limited block drives the One limited block, limit link block, fixed baffle, connection block are living to, second spring elongation mobile close to the direction of interior fixed block Hydraulic on the right side of stick harness has and can be discharged by the second liquid in-out mouth；

After the completion of addition, discharge hydraulic oil, under the action of the first spring, second spring, connection block, interior fixed block are multiple The leakproofness of connection block, the first liquid in-out mouth, the second liquid in-out can be improved in position, the sealing rubber pad that connection block is equipped with Mouth is plugged, and hydraulic oil is prevented to be discharged；

The device, can be while control adds hydraulic oil to side liquid in-out mouth when controlling piston boit sliding, and control is another Side liquid in-out mouth is opened, convenient for the discharge of other side liquid in-out oral fluid pressure oil, when not needing control piston boit sliding, disengaging Liquid mouth is closed automatically, and then piston boit can be locked, and locking effect is good.

2, the mechanical interlocking hydraulic cylinder, during control piston boit sliding, piston boit can pass through first connecting rod band Dynamic second connecting rod sliding, the second connecting rod are slided between oil cylinder ontology and inner slider, prevent the second connecting rod from shaking, so that Control piston boit sliding, addition and exclude hydraulic oil when, inner slider moves down, so be convenient for the second connecting rod sliding；

In piston boit stop motion, under the action of the first spring, second spring, connection block, interior fixed block reset, second The first tooth socket in connecting rod is caught in the second tooth socket on inner slider, and the junction of inner slider and outer stationary plates is equipped with anti-skidding Pad, so that piston boit is locked, good fixing effect.

3, the mechanical interlocking hydraulic cylinder, the first number of springs are 3, and the reset effect of the first spring is more preferable.

4, the mechanical interlocking hydraulic cylinder, fixed baffle are equipped with cushion, and interior when fixed baffle can be prevented mobile Fixed block damaged in collision.

Be not directed in the device part be the same as those in the prior art or can be realized by using the prior art, the present invention in When controlling piston boit sliding, other side liquid in-out mouth can be controlled while control adds hydraulic oil to side liquid in-out mouth It opens, convenient for the discharge of other side liquid in-out oral fluid pressure oil, when not needing control piston boit sliding, liquid in-out mouth closes automatically It closes, while piston boit can be fixed by tooth socket, multiple fixation is locked, and locking effect is good.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of mechanical interlocking hydraulic cylinder proposed by the present invention；

Fig. 2 is a kind of the schematic diagram of the section structure of mechanical interlocking hydraulic cylinder proposed by the present invention；

Fig. 3 is the structural schematic diagram of part A in a kind of Fig. 2 of mechanical interlocking hydraulic cylinder proposed by the present invention；

Fig. 4 is a kind of structural schematic diagram of the first connecting rod of mechanical interlocking hydraulic cylinder proposed by the present invention；

Fig. 5 is a kind of structural schematic diagram of the connection block of mechanical interlocking hydraulic cylinder proposed by the present invention；

Fig. 6 is a kind of structural schematic diagram of the interior fixed block of mechanical interlocking hydraulic cylinder proposed by the present invention.

In figure: 1, oil cylinder ontology；101, piston boit；102, the first liquid in-out mouth；1021, the first link block；103, second Liquid in-out mouth；1031, the second link block；2, outer stationary plates；201, the first spring；202, interior fixed block；2021, third limits Block；2022, limiting slot；203, inner slider；2031, the second tooth socket；3, block is connected；3001, mouth is driven；301, fixed baffle； 302, second spring；303, the first limited block；304, the second limited block；305, link block is limited；4, first connecting rod；401, Two connecting rods；4011, the first tooth socket.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.

In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.