阅读说明：本技术 一种双液压联合翻转机构 (Double-hydraulic combined turnover mechanism ) 是由 彭敏林 汪彦钧 潘润道 董元跃 李福森 于 2019-07-29 设计创作，主要内容包括：本发明涉及船舶制造技术领域,且公开了一种双液压联合翻转机构,本发明的双液压缸联合翻转机构与现有技术相比具备以下有益效果：通过采用两个伸缩式液压缸的收缩和伸出联合动作,提供拉力和推力,液压缸一端与固定基础的铰接,另一端与需旋转的旋转架铰接,由液压缸拉动和推动旋转架作旋转,避免了单液压缸存在旋转死点,旋转架两侧分别与两液压缸铰接,两连接铰点与旋转轴中心形成一定角度差,两个液压缸的旋转死点错开,可平稳驱动旋转；双液压缸联合驱动,提供双倍驱动力,能有效驱动大质量船体分段旋转,双液压缸交错布置能有效避免死点,实现平稳转动不仅仅旋转驱动力大,机构体积紧凑,作业更加安全可靠。(the invention relates to the technical field of ship manufacturing, and discloses a double-hydraulic combined turnover mechanism, which has the following beneficial effects compared with the prior art: the two telescopic hydraulic cylinders are adopted to perform combined action of contraction and extension to provide pulling force and pushing force, one end of each hydraulic cylinder is hinged with the fixed foundation, the other end of each hydraulic cylinder is hinged with the rotating frame which needs to rotate, the rotating frame is pulled and pushed by the hydraulic cylinders to rotate, the rotating dead points of the single hydraulic cylinder are avoided, two sides of the rotating frame are respectively hinged with the two hydraulic cylinders, a certain angle difference is formed between the two connecting hinge points and the center of the rotating shaft, the rotating dead points of the two hydraulic cylinders are staggered, and the two hydraulic cylinders can be stably driven; the double hydraulic cylinders are jointly driven to provide double driving force, the large-mass ship body can be effectively driven to rotate in a segmented mode, dead points can be effectively avoided due to the fact that the double hydraulic cylinders are arranged in a staggered mode, stable rotation is achieved, the rotating driving force is large, the mechanism is compact in size, and operation is safe and reliable.)

1. The utility model provides a tilting mechanism is united to two hydraulic pressure, includes fixing support one (1), swivel mount (3), central support (4), fixing support two (6), its characterized in that: the welding of the middle part of fixing support one (1) upper surface has the rotation pin and has pneumatic cylinder one (2) through rotation pin swing joint, the welding of the middle part of fixing support two (6) upper surface has the rotation pin and has pneumatic cylinder two (5) through rotation pin swing joint, the middle part of center support (4) is provided with the axle center, the middle part of center support (4) is through axle center and swivel mount (3) articulated rib piece swing joint of positive fixed mounting, the top and the bottom of articulated rib piece one side do not fixedly connected with hinge one (7) and hinge two (8), and swivel mount (3) through hinge one (7) and hinge two (8) on the articulated rib piece respectively with pneumatic cylinder one (2) and pneumatic cylinder two (5) swing joint.

2. A dual hydraulic combination canting mechanism as claimed in claim 1, wherein: one end of the first hydraulic cylinder (2) is a movable hinge mechanism, one end of the first hydraulic cylinder (2) is hinged with the first fixed support (1) through the movable hinge mechanism, and the height difference between the center point of the hinge between the first fixed support (1) and the first hydraulic cylinder (2) and the center point of the axis of the center support (4) is zero.

3. A dual hydraulic combination canting mechanism as claimed in claim 1, wherein: one end of the second hydraulic cylinder (5) is a movable hinge mechanism, one end of the second hydraulic cylinder (5) is hinged with the second fixed support (6) through the movable hinge mechanism, and the height difference between the center point of the hinge between the second hydraulic cylinder (5) and the second fixed support (6) and the center point of the axis of the center support (4) is zero.

4. a dual hydraulic combination canting mechanism as claimed in claim 1, wherein: the concrete shape of articulated rib piece is an isosceles trapezoid on swivel mount (3), and one side is equipped with two hangers to and the length and swivel mount (3) height of its opposite side bottom surface equal, the middle part of articulated rib piece is solid steel, and hanger department is two centimetres of thickness, five centimetres of rigid steel constitution of interval each other, the circular slotted hole of axle center looks adaptation with central support (4) is seted up to articulated rib piece focus point department.

5. A dual hydraulic combination canting mechanism as claimed in claim 1, wherein: the first fixed support (1) and the second fixed support (6) respectively limit the rotation angles of the first hydraulic cylinder (2) and the second hydraulic cylinder (5), and the first hydraulic cylinder (2) and the second hydraulic cylinder (5) are positive and negative ninety degrees along the rotation range of the hinge point.

6. A dual hydraulic combination canting mechanism as claimed in claim 1, wherein: the center point of the first hinge shaft (7) and the second hinge shaft (8) and the axis of the central support (4) are not located on the same straight line at any time interval in the using process of the mechanism.

Technical Field

The invention relates to a large-acting-force driving mechanism required to be provided in the overturning process of a large-mass object, in particular to the technical field of overturning driving in the segmented overturning process in the hull manufacturing process, and can also be applied to the technical field of other non-three-hundred-sixty-degree rotation driving.

Background

The hull needs to be turned over during the manufacturing process, the hull structure section has large mass, and the center of gravity of the section is not at the center of the body, so that great driving moment is needed to turn over the structure section.

Disclosure of Invention

The invention provides a double-hydraulic combined turnover mechanism which has the advantages of large rotary driving force, compact mechanism volume and safer and more reliable operation, and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a tilting mechanism is united to two hydraulic pressure, includes fixing support one, swivel mount, central support, fixing support two, the middle part welding of fixing support one upper surface has the rotation pin and has pneumatic cylinder one through rotation pin swing joint, the middle part welding of fixing support two upper surfaces has the rotation pin and has pneumatic cylinder two through rotation pin swing joint, the middle part of central support is provided with the axle center, the middle part of central support is through axle center and the articulated rib piece swing joint of the positive fixed mounting of swivel mount, the top and the bottom of articulated rib piece one side are fixedly connected with hinge one and hinge two respectively, and the swivel mount through hinge one and hinge two on the articulated rib piece respectively with pneumatic cylinder one and two swing joints of pneumatic cylinder.

Preferably, one end of the first hydraulic cylinder is a movable hinge mechanism, one end of the first hydraulic cylinder is hinged to the first fixed support through the movable hinge mechanism, and the height difference between the center point of the hinge between the first fixed support and the first hydraulic cylinder and the center point of the axis of the center support is zero.

preferably, one end of the second hydraulic cylinder is a movable hinge mechanism, one end of the second hydraulic cylinder is hinged with the second fixed support through the movable hinge mechanism, and the height difference between the center point of the hinge between the second hydraulic cylinder and the second fixed support and the center point of the axis of the center support is zero.

Preferably, the concrete shape of articulated rib piece is an isosceles trapezoid on the swivel mount, and one side is equipped with two hangers to and the length and the swivel mount height of its opposite side bottom surface equal, the middle part of articulated rib piece is solid steel, and hanger department is two centimetres of thickness, five centimetres of hard steel constitution of interval each other, the circular slotted hole of locating to offer with central support axle center looks adaptation of articulated rib piece focus.

preferably, the first fixed support and the second fixed support respectively limit the rotation angle of the first hydraulic cylinder and the second hydraulic cylinder, and the rotation range of the first hydraulic cylinder and the second hydraulic cylinder along the hinge point is positive and negative ninety degrees.

Preferably, the central point of the first hinge shaft and the second hinge shaft and the axis of the central support are not located on the same straight line at any time in the using process of the mechanism.

Compared with the prior art, the double-hydraulic-cylinder combined turnover mechanism has the following beneficial effects: the two telescopic hydraulic cylinders are adopted to perform combined action of contraction and extension to provide pulling force and pushing force, one end of each hydraulic cylinder is hinged with the fixed foundation, the other end of each hydraulic cylinder is hinged with the rotating frame which needs to rotate, the rotating frame is pulled and pushed by the hydraulic cylinders to rotate, the rotating dead points of the single hydraulic cylinder are avoided, two sides of the rotating frame are respectively hinged with the two hydraulic cylinders, a certain angle difference is formed between the two connecting hinge points and the center of the rotating shaft, the rotating dead points of the two hydraulic cylinders are staggered, and the two hydraulic cylinders can be stably driven; the double hydraulic cylinders are jointly driven to provide double driving force, the large-mass ship body can be effectively driven to rotate in a segmented mode, dead points can be effectively avoided due to the fact that the double hydraulic cylinders are arranged in a staggered mode, stable rotation is achieved, the rotating driving force is large, the mechanism is compact in size, and operation is safe and reliable.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the initial low-level flow of the rotating frame of the present invention;

FIG. 3 is a schematic view of the structure of the present invention showing the flow of the dead point position of the rotating frame;

FIG. 4 is a schematic view of the vertical position of the rotating frame of the present invention;

FIG. 5 is a schematic view of another dead center position of the rotating frame according to the present invention;

FIG. 6 is a schematic view of the end position process of the rotating frame of the present invention.

In the figure: 1. a first fixed support; 2. a first hydraulic cylinder; 3. a rotating frame; 4. a central support; 5. a second hydraulic cylinder; 6. a second fixed support; 7. a first hinge shaft; 8. and a second hinge shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a double-hydraulic combined turnover mechanism comprises a first fixed support 1, a rotating frame 3, a central support 4 and a second fixed support 6, wherein a rotating pin is welded in the middle of the upper surface of the first fixed support 1 and is movably connected with a first hydraulic cylinder 2 through the rotating pin, a rotating pin is welded in the middle of the upper surface of the second fixed support 6 and is movably connected with a second hydraulic cylinder 5 through the rotating pin, an axis is arranged in the middle of the central support 4, the middle of the central support 4 is movably connected with a hinge rib block fixedly installed on the front side of the rotating frame 3 through the axis, the top end and the bottom end of one side of the hinge rib block are respectively and fixedly connected with a first hinge shaft 7 and a second hinge shaft 8, and the rotating frame 3 is respectively and movably connected with the first hydraulic cylinder 2 and the second hydraulic cylinder 5 through the first.

One end of the first hydraulic cylinder 2 is a movable hinge mechanism, one end of the first hydraulic cylinder 2 is hinged to the first fixed support 1 through the movable hinge mechanism, and the height difference between the center point of the hinge between the first fixed support 1 and the first hydraulic cylinder 2 and the center point of the axis of the center support 4 is zero.

One end of the second hydraulic cylinder 5 is a movable hinge mechanism, one end of the second hydraulic cylinder 5 is hinged with the second fixed support 6 through the movable hinge mechanism, and the height difference between the center point of the hinge between the second hydraulic cylinder 5 and the second fixed support 6 and the center point of the axis of the center support 4 is zero.

The concrete shape of articulated rib piece is an isosceles trapezoid on swivel mount 3, and one side is equipped with two hangers to and the length of its opposite side bottom surface equals with swivel mount 3 height, and the middle part of articulated rib piece is solid steel, and hangers department is two thickness two centimetres, five centimetres hard steel constitutions of mutual interval, and articulated rib piece focus point department sets up the circular slotted hole with 4 axle center looks adaptations of central support.

The first fixed support 1 and the second fixed support 6 respectively limit the rotation angles of the first hydraulic cylinder 2 and the second hydraulic cylinder 5, and the rotation ranges of the first hydraulic cylinder 2 and the second hydraulic cylinder 5 along the hinge point are positive and negative ninety degrees.

The center points of the first hinge shaft 7 and the second hinge shaft 8 and the axis of the center support 4 are not located on the same straight line at any time interval in the using process of the mechanism, so that dead points of the first hydraulic cylinder 2 and the second hydraulic cylinder 5 in the rotating process can be avoided, and the rotating driving force can be effectively provided.

the working principle is as follows:

Referring to the attached figure 2, the rotating frame 3 is horizontally arranged at an initial low position upwards, the hydraulic cylinder I2 and the hydraulic cylinder II 5 are both in an extending state, the hydraulic cylinder I2 and the hydraulic cylinder II 5 can be contracted simultaneously, and the rotating frame 3 is driven by tensile force to rotate clockwise.

Referring to fig. 3, the rotating frame 3 rotates until two hinge points of the first hydraulic cylinder 2 and the rotating center are on the same straight line, namely, an acting force dead point position, at the moment, the second hydraulic cylinder 5 does not reach the dead point position, the first hydraulic cylinder 2 can be continuously contracted and driven to cross the dead point by pulling force, the first hydraulic cylinder 2 is extended from the contraction, thrust is provided, and the rotating frame 3 is driven to continuously rotate clockwise by the combination of the pulling force of the second hydraulic cylinder 5 and the thrust of the first hydraulic cylinder 2.

Referring to the attached figure 4, when the rotating frame 3 rotates to be in a vertical state, the first hydraulic cylinder 2 continues to extend out to provide thrust, and the pulling force of the second hydraulic cylinder 5 and the thrust of the first hydraulic cylinder 2 jointly drive the rotating frame 3 to continue to rotate clockwise.

Referring to fig. 5, the rotating frame 3 rotates until two hinge points of the hydraulic cylinder II 5 and the rotating center are on the same straight line, namely, the position of the dead point of another acting force, at this time, the hydraulic cylinder I2 is not at the position of the dead point, the hydraulic cylinder II 5 can be continuously extended to push the hydraulic cylinder II 5 to cross the dead point, the hydraulic cylinder II 5 is extended from the retracted position to provide a thrust force, and the hydraulic cylinder I2 and the hydraulic cylinder II 5 jointly push the rotating frame 3 to continuously rotate clockwise.

Referring to fig. 6, the rotating frame 3 is pushed by the first hydraulic cylinder 2 and the second hydraulic cylinder 5 to rotate one hundred eighty degrees.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.