Electro-hydraulic linkage quick-closing actuating mechanism

Abstract

The utility model relates to the technical field of electro-hydraulic linkage quick-closing executing mechanisms, in particular to an electro-hydraulic linkage quick-closing executing mechanism which comprises an electro-hydraulic linkage quick-closing executing mechanism body, screw rods are arranged on the lower surfaces of two supports, sleeves are slidably connected to the outer portions of the two screw rods in a sleeved mode, the surfaces of the screw rods are in threaded connection with locking rotating rings, and the locking rotating rings are in threaded connection with the outer portions of the two supports. The first flange and the second flange are connected and fixed through a bolt assembly, anti-falling devices are arranged on the surfaces of the two sleeves, and extending devices are arranged on the surfaces of the two first fixing blocks. The first flange and the second flange are connected through the bolt assembly, so that the locking rotating ring is not prone to loosening, and the lead screw and the sleeve play a supporting role. According to the extending device, a first sliding block is fastened through a first bolt, a second sliding block is fastened through a second bolt, the first sliding block is arranged in a first installation cavity, the second sliding block is arranged in a second installation cavity, parts are not scattered, and installation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to electro-hydraulic linkage fast closing actuator technical field especially relates to a kind of electro-hydraulic linkage fast closing actuator. BACKGROUND

[0002] Electro-hydraulic linkage fast closing actuator is the execution device that is converted by electro-hydraulic, hydraulic amplification and is changed into the 0 degree to 90 degree angular displacement output torque or linear displacement output force corresponding to input signal.

[0003] For example, the authorized announcement No. "CN222163746U" is named a kind of novel electro-hydraulic linkage fast closing actuator, by the outer wall of annular ring in support structure in screw rod rotates to outside, make the inner side of annular ring separate from sleeve plate, then vertical plate moves downward in the inner wall of sleeve plate, the vertical plate of moving carries first bottom plate and moves downward, make the bottom of first bottom plate and the top of pipeline abut tightly, then annular ring rotates to inside in the outer wall of screw rod, make the inner side of annular ring and the outer wall of sleeve plate abut tightly, realized the support of electro-hydraulic linkage fast closing actuator front and back two sides oil cylinder, guarantee the service life of electro-hydraulic linkage fast closing actuator, save maintenance cost.

[0004] The above and prior art have the following defects: the support structure of the execution mechanism, first bottom plate is connected with second bottom plate by straight plate insertion connection, this way connection is unstable, and spare parts are scattered, inconvenient to install;Annular ring and screw rod are fixed by thread connection to sleeve plate and vertical plate, annular ring is prone to loosen, sleeve plate will slide downward under gravity, so that support structure cannot play the role of support. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in prior art, and provides an electro-hydraulic linkage fast closing actuator.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model designs a kind of electro-hydraulic linkage quick closing actuator, including electro-hydraulic linkage quick closing actuator body, the lower surface of the electro-hydraulic linkage quick closing actuator body left and right sides is fixedly connected with support, the lower surface of two supports is equipped with screw rod, the outer portion of two screw rods is slidably sleeved with sleeve, the surface of screw rod is threadedly connected with locking rotary ring, the surface of locking rotary ring is annularly equipped with first flange, the upper end of sleeve is equipped with second flange, the surface of first flange is evenly provided with a plurality of first through holes, the surface of second flange is evenly provided with a plurality of second through holes, a plurality of first through holes and a plurality of second through holes are one-to-one corresponding, the inside of first through hole and second through hole is equipped with bolt assembly, and first flange and second flange are connected and fixed by bolt assembly, the surface of two sleeves is equipped with anti-falling device, the gasket is equipped between first flange and second flange, the lower end of two sleeves is equipped with first fixed block, and the surface of two first fixed blocks is equipped with extension device.

[0008] Preferably, the extension device includes two second fixed blocks and two third fixed blocks, the first fixed block has a first installation cavity formed therein, two first sliding blocks are slidably connected inside the first installation cavity, the first sliding blocks slide through the first installation cavity and are connected to one side surfaces of the second fixed blocks, second installation cavities are formed inside the second fixed blocks, second sliding blocks are slidably connected inside the second installation cavities, the second sliding blocks slide through the second installation cavities and are connected to one side surfaces of the third fixed blocks, two first bolts are threadedly connected to the inner walls of the first installation cavities, and a second bolt is threadedly connected to the inner wall of the second installation cavity.

[0009] Preferably, the anti-falling device includes a plurality of clamping holes, the surfaces of the plurality of clamping holes are symmetrically formed on the front and rear surfaces of the sleeves, one of the plurality of clamping holes is equipped with a clamping block inside, the clamping block is arranged below the screw rod, and a clamping bolt is threadedly connected to one end of the clamping block.

[0010] Preferably, the upper circumferential surfaces of the first bolt and the second bolt are annularly formed with a plurality of anti-skid grooves.

[0011] Preferably, the front and rear sides of one end of each of the first sliding blocks are equipped with first limiting blocks, the first limiting blocks abut against the first installation cavities, the front and rear sides of one end of each of the second sliding blocks close to the first fixed blocks are equipped with second limiting blocks, and the second limiting blocks abut against the second installation cavities.

[0012] Preferably, the lower surfaces of the first fixed block, the second fixed block and the third fixed block are equipped with buffer pads.

[0013] The utility model provides a kind of electro-hydraulic linkage quick closing actuator, beneficial effect lies in: first flange and second flange are connected by bolt assembly, locking rotary ring is not easy to loosen, screw rod does not slide downward due to gravity, and screw rod and sleeve play the role of support. The extension device is set, the first bolt is fastened to the first sliding block, and the second bolt is fastened to the second sliding block, which is stable in connection, the first sliding block is arranged in the first mounting cavity, the second sliding block is arranged in the second mounting cavity, and the parts are not scattered, facilitating installation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the A position enlarged view of the utility model;

[0016] Figure 3 It is the sectional structure schematic diagram of the utility model;

[0017] Figure 4 It is the B position enlarged view of the utility model;

[0018] Figure 5 It is the C position enlarged view of the utility model;

[0019] Figure 6 It is the D position enlarged view of the utility model;

[0020] Figure 7 It is the extension device overhead sectional view of the utility model.

[0021] In the drawing: electro-hydraulic linkage quick closing actuator body 1, support 2, screw rod 3, sleeve 4, locking rotary ring 5, first flange 6, second flange 7, first through hole 8, second through hole 9, bolt assembly 10, gasket 11, first fixed block 12, second fixed block 13, third fixed block 14, first mounting cavity 15, first sliding block 16, second mounting cavity 17, second sliding block 18, first bolt 19, second bolt 20, clamping hole 21, clamping block 22, clamping bolt 23, anti-skid groove 24, first limiting block 25, second limiting block 26, buffer pad 27. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] REFERENCE Figures 1-7The utility model provides an electro -hydraulic linkage fast -closing actuator, including electro -hydraulic linkage fast -closing actuator body 1, both sides of electro -hydraulic linkage fast -closing actuator body 1 lower surface are fixedly connected with support 2, two supports 2 lower surfaces are equipped with screw rod 3, and the outer portions of two screw rods 3 are slidably sleeved with sleeve 4, and the surface of screw rod 3 is threadedly connected with locking rotary ring 5, and the surface of locking rotary ring 5 is annularly equipped with first flange 6, and the upper end of sleeve 4 is equipped with second flange 7, a plurality of first through -holes 8 are evenly formed on the surface of first flange 6, a plurality of second through -holes 9 are evenly formed on the surface of second flange 7, a plurality of first through -holes 8 correspond to a plurality of second through -holes 9, and screw bolt assembly 10 is arranged in the first through -hole 8 and the second through -hole 9, and first flange 6 is connected and fixed with second flange 7 through screw bolt assembly 10, the surface of two sleeves 4 is equipped with anti -falling device, and gasket 11 is arranged between first flange 6 and second flange 7, and the lower end of two sleeves 4 is equipped with first fixed block 12, and the surface of two first fixed blocks 12 is equipped with extension device.

[0024] Extension device includes two second fixed blocks 13 and two third fixed blocks 14, a first installation cavity 15 is formed in the first fixed block 12, two first sliding blocks 16 are slidably connected in the first installation cavity 15, the first sliding block 16 is slidably connected with the side surface of second fixed block 13, a second installation cavity 17 is formed in the second fixed block 13, a second sliding block 18 is slidably connected in the second installation cavity 17, and the second sliding block 18 is slidably connected with the side surface of third fixed block 14, two first bolts 19 are threadedly connected on the inner wall of first installation cavity 15, and second bolt 20 is threadedly connected on the inner wall of second installation cavity 17.

[0025] Anti -falling device includes a plurality of clamping holes 21, and each group of clamping holes 21 is arranged on the front and rear surfaces of sleeve 4, and one end of clamping block 22 is threadedly connected with clamping bolt 23, and the clamping bolt 23 is arranged to prevent the clamping block 22 from sliding out of the clamping hole 21.

[0026] A plurality of anti -skid grooves 24 are formed on the circumferential surface of the upper portion of first bolt 19 and the circumferential surface of the upper portion of second bolt 20.

[0027] Two first sliders 16 are provided with first limiting blocks 25 on the front and back sides of the opposite ends, the first limiting blocks 25 abut against the first mounting cavities 15, two second sliders 18 are provided with second limiting blocks 26 on the front and back sides of the ends close to the first fixed block 12, the second limiting blocks 26 abut against the second mounting cavities 17. The first limiting blocks 25 are arranged to avoid the first sliders 16 from sliding out of the first mounting cavities 15, and the second limiting blocks 26 are arranged to avoid the second sliders 18 from sliding out of the second mounting cavities 17.

[0028] The lower surfaces of the first fixed block 12, the second fixed block 13 and the third fixed block 14 are provided with buffer pads 27. The buffer pads 27 are arranged to play a buffering role, avoiding the first fixed block 12, the second fixed block 13 and the third fixed block 14 from crushing the pipeline.

[0029] Working principle: the bottom of the electro-hydraulic linkage quick closing actuator body 1 is connected with the pipeline outside, the lead screw 3 is extended into the sleeve 4, then the locking rotary ring 5 is rotated, the first flange 6 abuts against the second flange 7 through the threaded connection of the locking rotary ring 5 and the lead screw 3, then the first through hole 8 is aligned with the second through hole 9, if there is still a gap between the first flange 6 and the second flange 7, a gasket 11 can be installed between the first flange 6 and the second flange 7, then the first flange 6 and the second flange 7 are connected and fixed through the bolt assembly 10, realizing the support of the oil cylinders on the left and right sides of the electro-hydraulic linkage quick closing actuator body 1; the locking rotary ring 5 is not easy to loosen through the connection of the first flange 6 and the second flange 7 by the bolt assembly 10, the lead screw 3 will not slide downward due to gravity, and the lead screw 3 and the sleeve 4 play a supporting role. The extension device is arranged, when the pipeline contacted by the bottom of the first fixed block 12 is thin, the first bolt 19 is loosened, then the second fixed block 13 is pulled, the first slider 16 slides in the first mounting cavity 15, then the first bolt 19 is tightened; if the stress point of the pipeline contacted by the bottom of the first fixed block 12 is still concentrated, the second bolt 20 can be loosened, then the third fixed block 14 is pulled, the second slider 18 slides in the second mounting cavity 17, then the second bolt 20 is tightened; the second fixed block 13 and the third fixed block 14 are extended and retracted to avoid the concentration of stress points and the damage of thin pipelines. In summary, the extension device of the present actuator is arranged, the first slider 16 is tightened by the first bolt 19, and the second slider 18 is tightened by the second bolt 20, this connection mode is stable, the first slider 16 is arranged in the first mounting cavity 15, the second slider 18 is arranged in the second mounting cavity 17, and the parts are not scattered, which is convenient for installation.

[0030] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An electro-hydraulic quick closing actuator comprising an electro-hydraulic quick closing actuator body (1), characterized in that, The lower surface of the electro-hydraulic linkage quick closing actuator body (1) is fixedly connected with a support (2) on the left and right sides, the lower surface of the two supports (2) is provided with a lead screw (3), the outer part of the two lead screws (3) is slidably sleeved with a sleeve (4), the surface of the lead screw (3) is threadedly connected with a locking rotary ring (5), the surface of the locking rotary ring (5) is annularly provided with a first flange (6), the upper end of the sleeve (4) is provided with a second flange (7), a plurality of first through holes (8) are uniformly formed in the surface of the first flange (6), a plurality of second through holes (9) are uniformly formed in the surface of the second flange (7), the first through holes (8) and the second through holes (9) correspond one-to-one, the first through holes (8) and the second through holes (9) are provided with a bolt assembly (10) inside, the first flange (6) and the second flange (7) are connected and fixed through the bolt assembly (10), the surfaces of the two sleeves (4) are provided with anti-falling devices, the first flange (6) and the second flange (7) are provided with a gasket (11) therebetween, the lower ends of the two sleeves (4) are provided with first fixed blocks (12), the surfaces of the two first fixed blocks (12) are provided with extension devices.

2. The electro-hydraulic linkage fast-closing actuator according to claim 1, wherein, The extension device comprises two second fixed blocks (13) and two third fixed blocks (14), a first mounting cavity (15) is formed in the first fixed block (12), two first sliding blocks (16) are slidably connected in the first mounting cavity (15), the first sliding blocks (16) slide through the first mounting cavity (15) and are connected with one side surfaces of the second fixed blocks (13), second mounting cavities (17) are formed in the interiors of the two second fixed blocks (13), second sliding blocks (18) are slidably connected in the second mounting cavities (17), the second sliding blocks (18) slide through the second mounting cavities (17) and are connected with one side surfaces of the third fixed blocks (14), two first bolts (19) are threadedly connected with the inner walls of the first mounting cavities (15) on both sides, and a second bolt (20) is threadedly connected with the inner wall of the second mounting cavity (17).

3. The electro-hydraulic linkage fast-closing actuator according to claim 1, wherein, The anti-falling device comprises a plurality of clamping holes (21), a plurality of clamping holes (21) are symmetrically formed on the front and rear surfaces of the sleeve (4), one of the plurality of clamping holes (21) is provided with a clamping block (22) inside, the clamping block (22) is arranged below the lead screw (3), and the clamping block (22) is threadedly connected with a clamping bolt (23) at one end.

4. The electro-hydraulic linkage fast closing actuator according to claim 2, wherein, A plurality of anti-skid grooves (24) are annularly formed in the circumferential surfaces of the upper parts of the first bolts (19) and the second bolt (20).

5. The electro-hydraulic linkage fast closing actuator according to claim 2, wherein, First limiting blocks (25) are arranged on the front and rear sides of the ends of the two first sliding blocks (16) that face each other, the first limiting blocks (25) abut against the first mounting cavities (15), second limiting blocks (26) are arranged on the front and rear sides of the ends of the two second sliding blocks (18) that are close to the first fixed blocks (12), and the second limiting blocks (26) abut against the second mounting cavities (17).

6. The electro-hydraulic linkage fast closing actuator according to claim 1, wherein, The lower surfaces of the first fixing block (12), the second fixing block (13) and the third fixing block (14) are each provided with a buffer pad (27).

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