CN210661837U

CN210661837U - Hydraulic quick connecting device and pile leg platform system

Info

Publication number: CN210661837U
Application number: CN201921120042.3U
Authority: CN
Inventors: 姚璐; 何可耕; 张家齐; 姚锋
Original assignee: Shanghai Zhenghua Heavy Industries Co Ltd
Current assignee: Shanghai Zhenghua Heavy Industries Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-06-02
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a hydraulic pressure quick connecting device, include: a female connector extending in a first direction; the sliding piece is sleeved on the peripheral surface of the female joint and elastically supported on the female joint, can rotate relative to the female joint along the circumferential direction and can slide upwards or downwards relative to the female joint along the first direction; the handle is connected with the sliding piece and is used for enabling a user to operate the sliding piece to slide downwards relative to the female joint along a first direction; the male connector extends along the first direction and is used for being inserted into the female connector along the first direction to be connected with the female connector in a sealing mode, the size of the male connector is L1, the size of the female connector is L2, and L1/L2 is larger than or equal to 1/5 and smaller than or equal to 1/3. The utility model discloses can conveniently connect the spud leg and dash the stake pipe and dash a hose, the spud leg dashes the dismantlement of stake pipe and dashing a hose efficient. The utility model also provides a spud leg platform system.

Description

Hydraulic quick connecting device and pile leg platform system

Technical Field

The utility model relates to a connect technical field, in particular to hydraulic pressure quick connecting device and spud leg platform system.

Background

The pile shoe is an important component of the self-elevating wind power platform, the main load borne by the pile shoe is the vertical axial force transmitted from the pile leg during platform operation or storm self-storage and the supporting force of the foundation to the bottom of the pile shoe, so that the phenomenon that the operation depth is influenced by the fact that the pile leg is punctured or inserted too long during operation in a soft soil region is avoided, and the safety of platform operation and storm self-storage is improved.

When the self-elevating platform works, the pile shoe needs to be inserted into seabed soil, and the supporting platform is separated from the sea surface for working; after the operation is finished, the platform needs to pull up the pile legs and the pile shoes and withdraw the pile legs and the pile shoes to the ship body. When the platform is used for pile pulling, the gravity of the earth covering on the top of the pile shoe, the friction force between the side wall of the pile shoe and soil, the self weight of the pile leg and the adsorption force at the bottom of the pile shoe need to be overcome. Therefore, the self-elevating platform is provided with a pile punching system, high-pressure water is used for ejecting high-pressure water columns through pile punching nozzles arranged on the surface of a pile shoe during pile pulling, so that covering soil covering the surface of the pile shoe is loosened, and pile pulling is matched.

Chinese patent publication No. CN108867603A discloses a cylindrical pile leg self-elevating platform pile-punching interface, which adopts a hammering union joint with one end being butt-welded end to be butt-welded with a pile-punching pipe inside a pile leg and the other end being an internal threaded female hammering union to be connected with a pile-punching hose and welded in an opening of the wall of the pile leg, the connection end of the pile-punching hose and the pile leg pile-punching interface being a male hammering union with an airfoil-shaped loose external thread sleeve, the external thread sleeve and the male union being rotatable with each other to ensure that the sealing surface will not rotate relatively when connecting and detaching the hose, when the pile-punching interface is not in use, the plug is required to be plugged, the plug is composed of two parts, one external thread head with a hexagonal shape and one male hammering union plug, both are connected by a screw, the thread head and the plug can rotate with each other to ensure that the sealing surface will not rotate relatively when connecting and detaching the plug, when the plug is disassembled and assembled, a portable pneumatic external hexagonal wrench can be used.

Chinese patent publication No. CN205399374U discloses a segmented pile leg integrated with pile punching, which relates to the technical field of marine equipment and solves the technical problem of inconvenient assembly and pile punching in the prior art. The pile leg comprises a plurality of pile pipe sections which are sequentially arranged from top to bottom, wherein the opposite ends of the adjacent pile pipe sections are respectively fixed with a pile leg flange and are mutually fixed through the pile leg flanges; the pile pipe section is internally provided with a pile punching pipe, the pipe orifice of the pile punching pipe is connected to a joint pipe on a pile leg flange through a hose, a water source interface connected to the pile punching pipe through a pipe fitting is arranged on the pipe wall of the pile pipe section, a plug for plugging the water source interface is arranged on the pile pipe section, a plurality of nozzles are fixed on a pile shoe, and the pipe orifice at the lower end of the bottom pile punching pipe is connected with each nozzle through a water spraying conduit in the pile shoe.

The hammering union is usually used on a self-elevating platform of a truss type pile leg, and due to the limitation of the size and the operation size of the hammering union, the hole for punching the pile of the column type pile leg is limited, so that the hammering union cannot be used. A hammer is required to be used for disassembling the hammering union, so that the requirement on the operation space is large; in addition, hammer unions are heavy and require at least two workers to operate simultaneously; in addition, the hammer union is cumbersome to disassemble and takes a long time. Because the number of personnel equipped for a general self-elevating wind power platform, a drilling platform and the like is limited, how to quickly and efficiently disassemble a hose connected with a pile leg pile-flushing pipeline is particularly important.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the pile leg is inconvenient to operate in the process of punching the pile pipe and the pile hose connection, and the disassembly efficiency is low. The utility model provides a hydraulic pressure quick connecting device and spud leg platform system can conveniently connect the spud leg and dash the stake pipe and dash the stake hose, and the spud leg dashes the stake pipe and dashes the dismantlement of stake hose efficient.

In order to solve the technical problem, an embodiment of the utility model discloses a hydraulic pressure quick connecting device, include: a female connector extending in a first direction; the sliding piece is sleeved on the outer peripheral surface of the female joint and elastically supported on the female joint, and the sliding piece can rotate relative to the female joint along the circumferential direction and can slide upwards or downwards relative to the female joint along the first direction; the pull handle is connected with the sliding piece and used for enabling a user to operate the sliding piece to slide downwards relative to the female joint along the first direction; the male connector extends along the first direction and is used for being inserted into the female connector along the first direction to be connected with the female connector in a sealing mode, the size of the male connector is L1, the size of the female connector is L2, and L1/L2 is not less than 1/5 and not more than 1/3.

By adopting the technical scheme, the pile leg punching pipe and the pile punching hose can be conveniently connected, and the dismounting efficiency of the pile leg punching pipe and the pile punching hose is high.

According to another embodiment of the present invention, the sliding member is provided with a concave portion extending along the first direction, the outer peripheral surface of the female joint is provided with a convex portion, and the concave portion can accommodate the convex portion.

According to another specific embodiment of the present invention, the outer peripheral surface of the female joint is provided with mounting holes arranged along the circumferential direction at intervals, each of the mounting holes is internally provided with a ball, the sliding member can limit the ball in the mounting hole, and the ball is used for being connected with the male joint in a clamping manner;

along the first direction, the slider can slide between first position and second position, in first position, the ball can with the male joint, in the second position, the ball can with the male joint separation.

According to another specific embodiment of the present invention, the outer peripheral surface of the female joint is provided with a first blocking portion and a second blocking portion which are arranged at an interval along the first direction, the inner peripheral surface of the sliding member is provided with a third blocking portion, a first elastic member is arranged between the third blocking portion and the second blocking portion, one end of the first elastic member is connected to the second blocking portion, and the other end of the first elastic member is connected to the third blocking portion;

in the first position, the third blocking part abuts against the first blocking part along the first direction, and the third blocking part abuts against the ball in the radial direction;

in the second position, the third blocking portion is separated from the first blocking portion in the first direction, and the ball can move in the radial direction to be located between the third blocking portion and the first blocking portion.

According to the utility model discloses a further embodiment, first barrier with the second barrier is followed circumference encircles a week, the third barrier is followed circumference encircles female joint and with the laminating of female joint's outer peripheral face.

According to another embodiment of the present invention, along the first direction, one end of the female connector is provided with an internal thread, and the other end is provided with the sliding member;

along first direction, male joint one end is equipped with the annular groove for with the ball joint, the other end is equipped with the internal thread.

According to another embodiment of the present invention, the inner cavity of the male connector is provided with a first valve body and a first support, the first valve body is elastically supported to the first support by a second elastic member, the first valve body can move away from the first support in the first direction to close the one end of the male connector or move toward the first support in the first direction to open the one end of the male connector;

the inner cavity of the female joint is provided with a second valve body and a second support, the second valve body is elastically supported on the second support through a third elastic piece, and the second valve body can move away from the second support along the first direction to close the other end of the female joint or move towards the second support along the first direction to open the other end of the female joint;

in the first position, the first valve body and the second valve body are abutted against each other along the first direction, and the inner cavity of the male connector is communicated with the inner cavity of the female connector.

According to another embodiment of the present invention, the inner peripheral surface of the female joint is provided with a sealing member for sealing connection with the male joint.

According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a spud leg platform system, include: the pile comprises a pile leg, a pile body and a pile driving device, wherein the pile leg is provided with a plurality of pile punching holes, and pile punching pipes are arranged in the pile punching holes; the pile punching device comprises a platform, wherein a pile punching hose is arranged on the platform; the hydraulic quick connecting device of any one of the preceding claims, wherein the male connector is used for connecting with the pile driving pipe, the female connector is used for connecting with the pile driving hose, and the male connector is used for connecting with the female connector in a sealing manner.

According to another embodiment of the present invention, the pile leg is a column pile leg.

Drawings

Fig. 1 shows a first perspective view of a hydraulic quick connection device according to an embodiment of the present invention;

fig. 2 shows a second perspective view of the hydraulic quick connection device according to the embodiment of the present invention;

fig. 3 shows a third perspective view of the hydraulic quick connection device according to the embodiment of the present invention;

fig. 4 shows a first cross-sectional view of a hydraulic quick connect apparatus according to an embodiment of the present invention;

fig. 5 shows a second cross-sectional view of the hydraulic quick connect apparatus according to an embodiment of the present invention;

fig. 6 shows a schematic connection diagram of the hydraulic quick connecting device and the pile leg according to the embodiment of the present invention;

fig. 7 is a first perspective view of a female joint in a hydraulic quick connection device according to an embodiment of the present invention;

fig. 8 is a sectional view showing a female joint of a hydraulic quick coupling device according to an embodiment of the present invention;

fig. 9 is a second perspective view of a female joint in the hydraulic quick connecting device according to the embodiment of the present invention;

fig. 10 is a perspective view showing a male connector of the hydraulic quick connecting device according to the embodiment of the present invention;

fig. 11 is a cross-sectional view of a male connector in a hydraulic quick coupling device according to an embodiment of the present invention.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", etc. indicate the orientation or position relationship based on the figure or the orientation or position relationship that the utility model is usually placed when using, and are only for convenience of describing the utility model and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the utility model.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 3, a hydraulic quick connection device 1 according to an embodiment of the present invention includes: a female joint 10 extending in a first direction (indicated by X-direction in fig. 1 and 2); a sliding member 20 sleeved on the outer circumferential surface of the female joint 10, wherein the sliding member 20 is elastically supported on the female joint 10, and the sliding member 20 can rotate relative to the female joint 10 along the circumferential direction (shown in the Z direction in fig. 1) and can slide upwards (shown in the B direction in fig. 2 and 3) or downwards (shown in the a direction in fig. 2 and 3) relative to the female joint 10 along the first direction; a handle 30 connected to the slider 20 for a user to operate the slider 20 to slide downward (direction a in fig. 2 and 3) relative to the female connector 10 along the first direction; and the male connector 40 extends along the first direction and is used for being inserted into the female connector 10 along the first direction to be connected with the female connector 10 in a sealing mode.

As a preferred embodiment of the present invention, the handle 30 may be implemented as a wire rope.

Referring to fig. 4, the male connector 40 has a dimension L1 along the first direction (shown as X in fig. 4), i.e., the male connector 40 has a length L1; the size of the female joint 10 is L2, namely, the length of the female joint 10 is L2, wherein 1/5 is equal to or less than L1/L2 is equal to or less than 1/3. As a preferred embodiment of the present invention, L1/L2 may be implemented as 1/4, 4/15 or 17/60. Equivalently, in the present invention, the length of the male connector 40 is shorter than that of the female connector 10; that is, the male connector 40 is designed to be short.

Thus configured, referring to fig. 6, the installation space P on the spud leg 60 is made small accordingly, specifically, the dimension L3 of the installation space P in the first direction is reduced, that is, the installation space P is not too deep in the first direction, which is beneficial for the user to install the male connector 40 at the installation space P, and the installation is convenient and the installation efficiency is improved. Because, if the installation space P is designed to be too deep, that is, the installation space P is too long in the first direction, it may cause inconvenience to a user in installing the male connector 40, and installation efficiency may be affected.

As a preferred embodiment of the present invention, wherein 1/2 is equal to or less than L1/L3 is equal to or less than 9/10. As a preferred embodiment of the present invention, L1/L3 may be implemented as 6/10, 7/10 or 8/10.

In addition, the female connector 10 is sealingly connected to the male connector 40 after the male connector 40 is connected to the spud tube 70 on the leg 60. After the pile punching is completed, the female connector 10 needs to be detached from the male connector 40, and at this time, the user holds the handle 30, operates the sliding member 20 to slide downward (in the direction a shown in fig. 2 and 3) relative to the female connector 10 along the first direction, so as to separate the female connector 10 from the male connector 40, which is high in detachment efficiency. And, the user need not dismantle in installation space P the utility model discloses a hydraulic pressure quick connecting device 1 can accomplish through operation handle 30 and dismantle convenient operation.

With continued reference to fig. 1 and 3, as a preferred embodiment of the present invention, the sliding member 20 is provided with a concave portion 21 extending along the first direction, the outer circumferential surface of the female connector 10 is provided with a convex portion 11, and the concave portion 21 can receive the convex portion 11. In a preferred embodiment of the present invention, the convex portion 11 on the outer peripheral surface of the female joint 10 is a positioning pin, and the concave portion 21 on the slider 20 is a groove.

When the slider 20 rotates relative to the female connector 10 in the circumferential direction until the concave portion 21 and the convex portion 11 are opposite to each other in the first direction, the slider 20 can slide relative to the female connector 10 in the first direction, and a user can operate the slider 20 to slide downward (in the direction a in fig. 2 and 3) relative to the female connector 10 in the first direction by using the pull handle 30, so that the female connector 10 can be separated from the male connector 40. When the sliding piece 20 rotates relative to the female joint 10 along the circumferential direction until the concave part 21 and the convex part 11 are staggered, the sliding piece 20 and the convex part 11 are abutted along the first direction, so that the movement of the sliding piece 20 in the first direction is limited, the female joint 10 and the male joint 40 are stably and hermetically connected, the connection stability is maintained, the operation is simple and convenient, and the installation and disassembly efficiency is improved. In addition, the matching of the convex part 11 and the concave part 21 can ensure that a single person can operate when the male connector 40 and the female connector 10 are disassembled, and can effectively prevent misoperation when the male connector 40 and the female connector 10 are folded.

Referring to fig. 7 to 9 in combination with fig. 4 and 5, as a preferred embodiment of the present invention, mounting holes 12 are formed on the outer circumferential surface of the female joint 10 at intervals along the circumferential direction, a ball 13 is disposed in each of the mounting holes 12, the slider 20 can limit the ball 13 in the mounting hole 12, and the ball 13 is used for being engaged with the male joint 40; in the first direction, the slider 20 is slidable between a first position in which the ball 13 is engageable with the male connector 40 and a second position in which the ball 13 is disengageable from the male connector 40.

Specifically, the user operates the slider 20 to slide downward relative to the female connector 10 in the first direction to a second position by the pull handle 30, the ball 13 is movable in the radial direction (shown in the direction Y in fig. 4 and 5) in the mounting hole 12 to insert the male connector 40 into the female connector 10, the pull handle 30 is released, the slider 20 slides upward relative to the female connector 10 in the first direction to the first position by the elastic force, the ball 13 is restrained in the mounting hole 12, the ball 13 is engaged with the male connector 40, and the movement in the mounting hole 12 is restrained by the slider 20. When it is required to separate the female connector 10 and the male connector 40, the user operates the slider 20 to slide downward relative to the female connector 10 in the first direction to a second position by the pull handle 30, the ball 13 is movable in the radial direction (shown by the direction Y in fig. 4 and 5) in the mounting hole 12, the ball 13 can be separated from the male connector 40, and the male connector 40 can be separated from the female connector 10.

Referring to fig. 5 and 9, as a preferred embodiment of the present invention, the outer circumferential surface of the female connector 10 is provided with a first blocking portion 14 and a second blocking portion 15 which are arranged at an interval along the first direction, the inner circumferential surface of the slider 20 is provided with a third blocking portion 16, a first elastic member 17 is arranged between the third blocking portion 16 and the second blocking portion 15, one end of the first elastic member 17 is connected with the second blocking portion 15, and the other end is connected with the third blocking portion 16, so that the slider 20 is elastically supported on the outer circumferential surface of the female connector 10.

In the first position, the third stop 16 abuts against the first stop 14 in the first direction, and the third stop 16 abuts against the balls 13 in the radial direction; in the second position, the third stopper 16 is separated from the first stopper 14 in the first direction, and the balls 13 can move in the radial direction to be located between the third stopper 16 and the first stopper 14. As a preferred embodiment of the present invention, the first elastic member 17 is compressed during the sliding of the slider 20 from the first position to the second position, and the first elastic member 17 is returned during the sliding of the slider 20 from the second position to the first position. As a preferred embodiment of the present invention, the first elastic member 17 is a spring.

As a preferred embodiment of the present invention, the side of the third stopping portion 16 of the sliding member 20, which faces away from the first elastic member 17, has an inclined surface 20a, and in the first position, the inclined surface 20a of the third stopping portion 16 and the first stopping portion 14 are abutted in the first direction; in the second position, the inclined surface 20a of the third stopper 16 is separated from the first stopper 14, and the balls 13 can move in the radial direction to be positioned between the inclined surface 20a of the third stopper 16 and the first stopper 14, so that the balls 13 are restricted by the inclined surface 20a of the third stopper 16 and the first stopper 14.

When the sliding member 20 slides upwards, i.e. from the second position to the first position, the inclined surface 20a of the third blocking portion 16 contacts the ball 13, and the ball 13 moves along the inclined surface 20a of the third blocking portion 16 in the radial direction until the ball 13 is confined in the mounting hole 12, i.e. the inclined surface 20a of the third blocking portion 16 also plays a guiding role, so that the sliding member 20 slides from the second position to the first position and confines the ball 13 in the mounting hole 12.

As a preferred embodiment of the present invention, the first blocking portion 14 and the second blocking portion 15 are along the circumference, and the third blocking portion 16 is along the circumference, and the female joint 10 and the outer circumference of the female joint 10 are attached to each other.

As a preferred embodiment of the present invention, referring to fig. 4, 5 and 8, in the first direction, one end of the female joint 10 is provided with an internal thread, and the other end is provided with the sliding member 20, and the internal thread of the female joint 10 is used for being in threaded connection with a pile driving hose (not shown); referring to fig. 4, 5, 10 and 11, in the first direction, one end of the male connector 40 is provided with an annular groove 44 for being clamped with the ball 13, and the other end is provided with an internal thread, and the internal thread of the male connector 40 is used for being in threaded connection with the pile driving pipe 70.

As a preferred embodiment of the present invention, referring to fig. 11, the inner cavity of the male connector 40 is provided with a first valve body 42 and a first support 41, the first valve body 42 is elastically supported on the first support 41 through a second elastic member 43, and the first valve body 42 can move away from the first support 41 in the first direction to close the one end of the male connector 40, or move toward the first support 41 in the first direction to open the one end of the male connector 40. As a preferred embodiment of the present invention, the second elastic member 43 is a spring.

Referring to fig. 8, the inner cavity of the female connector 10 is provided with a second valve body 51 and a second bracket 50, the second valve body 51 is elastically supported to the second bracket 50 by a third elastic member 52, and the second valve body 51 is movable in the first direction away from the second bracket 50 to close the other end of the female connector 10 or movable in the first direction toward the second bracket 50 to open the other end of the female connector 10. As a preferred embodiment of the present invention, the third elastic member 52 is a spring.

Referring to fig. 4 and 5, in the first position, the first valve body 42 and the second valve body 51 are abutted in the first direction, and the inner cavity of the male connector 40 is communicated with the inner cavity of the female connector 10. Wherein, during the assembly of the male connector 40 and the female connector 10, the first valve body 42 of the male connector 40 abuts against the second valve body 51 of the female connector 10, and as the female connector 10 continues to move in the first direction, the first valve body 42 of the male connector 40 moves towards the first bracket 41 in the first direction to open the one end of the male connector 40, and the female connector 10 moves towards the second bracket 50 in the first direction to open the other end of the female connector 10. After the female connector 10 and the male connector 40 are assembled and hermetically connected, the inner cavity of the male connector 40 is communicated with the inner cavity of the female connector 10.

After the user operates the slider 20 through the handle 30 to slide from the first position to the second position, the female connector 10 and the male connector 40 are separated, and the first valve body 42 and the second valve body 51 are respectively restored by the elastic force.

As a preferred embodiment of the present invention, referring to fig. 5, the inner circumferential surface of the female connector 10 is provided with a sealing member 18 for sealing connection with the male connector 40. After the male connector 40 is inserted into the female connector 10, the sealing element 18 is attached to the outer peripheral surface of the male connector 40 to achieve a sealed connection.

As a preferred embodiment of the present invention, referring to fig. 6, the present invention further provides a spud leg platform system, including: the pile comprises a pile leg 60, wherein the pile leg 60 is provided with a plurality of pile punching holes, and pile punching pipes 70 are arranged in the pile punching holes; a platform (not shown) provided with a pile driving hose (not shown) and the hydraulic quick-connecting device 1 of any one of the above embodiments, wherein the male connector 40 is used for connecting with the pile driving pipe 70, the female connector 10 is used for connecting with the pile driving hose, and the male connector 40 is used for sealing connection with the female connector 10. As a preferred embodiment of the present invention, the platform is a wind power platform.

When the pile is flushed, the female joint 10 is in threaded connection with the pile flushing hose on the main deck (platform), so that the female joint 10 only needs to be configured according to the number of hoses, the male joints 40 are configured according to the actual connection number of the pile flushing pipes 70, each pile flushing pipe 70 is provided with one male joint 40 because the pile flushing pipes 70 on the pile leg 60 are more, and the pile flushing can be realized only by connecting the female joint 10 connected with the pile flushing hose with the male joint 40 corresponding to the area needing the pile flushing. As mentioned above, the size of the male connector 40 is reduced, and the cost can be effectively reduced on the premise that a larger number of male connectors 40 are required.

When the hydraulic quick connecting device 1 is disassembled, the male connector 40 can be closed automatically immediately when the hydraulic quick connecting device 1 is disconnected only by stopping the pump, aligning the convex part 11 with the concave part 21 and pulling the handle 30 backwards by two hands, thereby completing the disassembling work; during installation, the handle 30 is pulled backwards to pull out the sliding piece 20, the sliding piece is aligned with the top of the male connector 40 to be well butted, and the sliding piece 20 is rotated to enable the convex part 11 and the concave part 21 to be staggered.

As a preferred embodiment of the present invention, the pile leg 60 is a column type pile leg. The hydraulic quick connecting device 1 according to any of the above embodiments is advantageously used for the pile driving of a column leg, and the limitation of the size and the operation size of the column leg itself has little influence on the mounting and dismounting of the hydraulic quick connecting device 1.

As a preferred embodiment of the present invention, after the hydraulic quick connector 1 is assembled in the installation space P, the dimension of the hydraulic quick connector 1 in the first direction is L4, wherein 4/10 ≤ L3/L4 ≤ 6/10. As a preferred embodiment of the present invention, L3/L4 may be implemented as 5/10. Such a range of parameters is advantageous for mounting and dismounting the hydraulic quick-connect device 1 in the mounting space P.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A hydraulic quick connect device, comprising:

a female connector extending in a first direction;

the sliding piece is sleeved on the outer peripheral surface of the female joint and elastically supported on the female joint, and the sliding piece can rotate relative to the female joint along the circumferential direction and can slide upwards or downwards relative to the female joint along the first direction;

the pull handle is connected with the sliding piece and used for enabling a user to operate the sliding piece to slide downwards relative to the female joint along the first direction;

the male connector extends along the first direction and is used for being inserted into the female connector along the first direction to be connected with the female connector in a sealing mode, the size of the male connector is L1, the size of the female connector is L2, and L1/L2 is not less than 1/5 and not more than 1/3.

2. The hydraulic quick connect device of claim 1 wherein said slider has a recess extending in said first direction and said female connector has a projection on an outer peripheral surface thereof, said recess being capable of receiving said projection.

3. The hydraulic quick connecting device as claimed in claim 1, wherein the female joint is provided with mounting holes at intervals along the circumferential direction on the outer circumferential surface, each mounting hole is provided with a ball, the sliding member can limit the ball in the mounting hole, and the ball is used for being clamped with the male joint;

4. The hydraulic quick connecting device as claimed in claim 3, wherein the female connector has a first blocking portion and a second blocking portion spaced apart from each other in the first direction on an outer circumferential surface thereof, the sliding member has a third blocking portion on an inner circumferential surface thereof, and a first elastic member is disposed between the third blocking portion and the second blocking portion, one end of the first elastic member being connected to the second blocking portion and the other end thereof being connected to the third blocking portion;

5. The hydraulic quick connect device of claim 4, wherein the first stop and the second stop encircle the circumference, and the third stop encircles the female connector and abuts the outer circumference of the female connector.

6. The hydraulic quick connect apparatus of claim 3 wherein, in said first orientation, said female connector is internally threaded at one end and said slider is disposed at the other end;

7. The hydraulic quick-connect apparatus according to claim 6, wherein the internal cavity of the male connector is provided with a first valve body and a first holder, the first valve body being elastically supported to the first holder by a second elastic member, the first valve body being movable in the first direction away from the first holder to close the one end of the male connector or movable in the first direction toward the first holder to open the one end of the male connector;

8. The hydraulic quick connect device of claim 1 wherein the female connector has a seal on its inner periphery for sealing engagement with the male connector.

9. A leg platform system, comprising:

the pile comprises a pile leg, a pile body and a pile driving device, wherein the pile leg is provided with a plurality of pile punching holes, and pile punching pipes are arranged in the pile punching holes;

the pile punching device comprises a platform, wherein a pile punching hose is arranged on the platform;

the hydraulic quick connect device of any one of claims 1 to 8, said male connector for connection to said pile driving pipe, said female connector for connection to said pile driving hose, said male connector for sealing connection to said female connector.

10. The leg platform system of claim 9 wherein the legs are column legs.