阅读说明：本技术 一种建筑塔吊旋转机构用速度控制装置 (Speed control device for building tower crane rotating mechanism ) 是由 刘杨 于 2019-08-26 设计创作，主要内容包括：本发明公开了一种建筑塔吊旋转机构用速度控制装置,包括主体外壳。本发明利用液体的循环流动,通过控制液体在流动时的最大流动量,从而控制旋转部位的旋转速度,防止由于故事而导致的快速坠落等事故的发生,具有较强的控制能力,且不需要其他控制设备进行辅助,而且,该装置具有螺纹结构移动拧合式液体流动控制机构,能够控制流动液体的最大流动量,从而实现一系列的控制效果,此外,该装置具有螺旋弹簧抵触式最大液体流动控制机构,能够控制内部的最大液体压强,防止阻力过大而导致的驱动电机损伤现象的发生,另外,该装置具有旋转轴安装式固定连接机构,能够实现不同尺寸轴体之间的连接,提高了连接的范围。(The invention discloses a speed control device for a building tower crane rotating mechanism, which comprises a main body shell. The invention utilizes the circulation flow of the liquid, controls the rotating speed of the rotating part by controlling the maximum flow quantity of the liquid when flowing, prevents accidents such as quick falling caused by stories, has stronger control capability, does not need other control equipment for assistance, has a thread structure moving and screwing type liquid flow control mechanism, can control the maximum flow quantity of the flowing liquid, thereby realizing a series of control effects, has a spiral spring contact type maximum liquid flow control mechanism, can control the maximum liquid pressure inside, and prevents the driving motor damage phenomenon caused by overlarge resistance.)

1. The utility model provides a building tower crane is speed control device for rotary mechanism, includes main body cover (1), its characterized in that: the center of the upper surface of the main body shell (1) is of a groove structure, main vertical plate structures (2) are arranged on two sides of the main body shell (1) which are positioned on the groove structure, main first compression spaces (3) and main second compression spaces (4) are respectively arranged on two sides of the main vertical plate structures (2) in the main body shell (1), centers of two sides of the main first compression spaces (3) and the main second compression spaces (4) are communicated through a main flow hole structure (5), a main part mounting hole (6) penetrating through the center of the main flow hole structure (5) is arranged in the main body shell (1), a thread structure moving and screwing type liquid flow control mechanism (7) is arranged in the main part mounting hole (6), a main first piston (8) and a main second piston (9) are respectively arranged in the main first compression spaces (3) and the main second compression spaces (4), the main body shell (1) is provided with a secondary part mounting hole (10) communicating with a main flow hole structure (5) on the side, a spiral spring contact type maximum liquid flow control mechanism (11) is mounted inside the secondary part mounting hole (10), liquid (19) is filled in a sealing interval between a main first compression space (3), a main second compression space (4), the main flow hole structure (5), a main first piston (8) and a main second piston (9), a concave rotating shaft (13) is mounted at the center of an opposite face of a main vertical plate structure (2) through a main bearing (12), a main shaft sleeve (14) is mounted on a transverse shaft body in the middle of the concave rotating shaft (13), a main first movable rod (15) and a main second movable rod (17) are mounted on opposite side faces of the main shaft sleeve (14), and the ends of the main first movable rod (15) and the main second movable rod (17) are respectively connected with the main first piston (8) and the main first piston (8) through movable hinges (18) and the main second movable rod (17) through movable hinges (18) The end parts of the main second piston (9) are fixedly connected, and a rotating shaft installation type fixed connecting mechanism (16) is respectively installed at the transverse parts of the two ends of the concave rotating shaft (13).

2. The speed control device for the rotating mechanism of the building tower crane according to claim 1, wherein: the thread structure moving and screwing type liquid flow control mechanism (7) comprises a shell (71) for the thread structure moving and screwing type liquid flow control mechanism, a central hole (72) for the thread structure moving and screwing type liquid flow control mechanism, a valve rod inserting hole (73) for the thread structure moving and screwing type liquid flow control mechanism, a moving space (74) for the thread structure moving and screwing type liquid flow control mechanism and a moving plate (75) for the thread structure moving and screwing type liquid flow control mechanism, a valve rod (76) for a screw-structured movable screwing type liquid flow control mechanism, a bearing (77) for a screw-structured movable screwing type liquid flow control mechanism, a threaded rod (78) for a screw-structured movable screwing type liquid flow control mechanism, a screw-structured movable screwing type liquid flow control mechanism screw-structured (79) and a screw-structured movable screwing type liquid flow control mechanism rotating plate (710); the thread structure moving screwing type liquid flow control mechanism is characterized in that a central thread structure moving screwing type liquid flow control mechanism central hole (72) is arranged at the bottom of a shell (71) for the thread structure moving screwing type liquid flow control mechanism, a thread structure moving screwing type liquid flow control mechanism valve rod inserting hole (73) is formed in the center of the thread structure moving screwing type liquid flow control mechanism central hole (72), a thread structure moving screwing type liquid flow control mechanism moving space (74) is formed in the top of the thread structure moving screwing type liquid flow control mechanism valve rod inserting hole (73), a thread structure moving screwing type liquid flow control mechanism moving plate (75) is arranged in the thread structure moving screwing type liquid flow control mechanism moving space (74), the valve rod (76) for the thread structure movable screwing type liquid flow control mechanism is arranged in a valve rod inserting hole (73) for the thread structure movable screwing type liquid flow control mechanism, the top of the valve rod (76) for the thread structure movable screwing type liquid flow control mechanism is arranged at the bottom center of a movable plate (75) for the thread structure movable screwing type liquid flow control mechanism, a threaded rod (78) for the thread structure movable screwing type liquid flow control mechanism is arranged at the center of the upper surface of the movable plate (75) for the thread structure movable screwing type liquid flow control mechanism through a bearing (77) for the thread structure movable screwing type liquid flow control mechanism, the rod body of the threaded rod (78) for the thread structure movable screwing type liquid flow control mechanism is arranged at the center of the top of a shell (71) for the thread structure movable screwing type liquid flow control mechanism through a thread structure movable screwing type thread structure (79) for the thread structure movable type liquid flow control mechanism And a rotating plate (710) for the thread structure moving screwing type liquid flow control mechanism is arranged at the top end of the threaded rod (78) for the thread structure moving screwing type liquid flow control mechanism.

3. The speed control device for the rotating mechanism of the building tower crane according to claim 2, wherein: the thread structure (79) for the movable screwing type liquid flow control mechanism comprises an external thread structure arranged on a threaded rod (78) body for the movable screwing type liquid flow control mechanism and an internal thread structure arranged on the inner wall of a shell (71) for the movable screwing type liquid flow control mechanism.

4. The speed control device for the rotating mechanism of the building tower crane according to claim 2, wherein: the shell (71) for the thread structure moving screwing type liquid flow control mechanism is arranged in the main body shell (1), and the central hole (72) for the thread structure moving screwing type liquid flow control mechanism is communicated with the main flow hole structure (5).

5. The speed control device for the rotating mechanism of the building tower crane according to claim 1, wherein: the spiral spring contact type maximum liquid flow control mechanism (11) comprises a hollow shell (111) for the spiral spring contact type maximum liquid flow control mechanism, an air-liquid sealing ring (112) for the spiral spring contact type maximum liquid flow control mechanism, a hollow structure (113) for the spiral spring contact type maximum liquid flow control mechanism, a liquid discharge hole (114) for the spiral spring contact type maximum liquid flow control mechanism, and a valve plate insertion space (115) for the spiral spring contact type maximum liquid flow control mechanism, a liquid inlet hole (116) for a coil spring contact type maximum liquid flow control mechanism, a moving plate (117) for a coil spring contact type maximum liquid flow control mechanism, a valve plate (118) for a coil spring contact type maximum liquid flow control mechanism, a liquid through hole (119) for a coil spring contact type maximum liquid flow control mechanism and a coil spring (1110) for a coil spring contact type maximum liquid flow control mechanism; a coil spring contact type hollow structure (113) for the maximum liquid flow control mechanism is arranged at the center inside the hollow shell (111) for the maximum liquid flow control mechanism, a coil spring contact type liquid discharge hole (114) for the maximum liquid flow control mechanism is arranged at one side of the hollow structure (113) for the coil spring contact type maximum liquid flow control mechanism on the hollow shell (111) for the coil spring contact type maximum liquid flow control mechanism, one end of the coil spring contact type liquid discharge hole (114) for the maximum liquid flow control mechanism is communicated with one end of the coil spring contact type hollow shell (111) for the maximum liquid flow control mechanism, a valve plate insertion space (115) for the coil spring contact type maximum liquid flow control mechanism is arranged on the other side of the hollow structure (113) for the coil spring contact type maximum liquid flow control mechanism of the hollow shell (111) for the coil spring contact type maximum liquid flow control mechanism, a liquid inlet hole (116) for the coil spring contact type maximum liquid flow control mechanism is arranged on one side of the valve plate insertion space (115) for the coil spring contact type maximum liquid flow control mechanism of the hollow shell (111) for the coil spring contact type maximum liquid flow control mechanism, the liquid inlet hole (116) for the coil spring contact type maximum liquid flow control mechanism is communicated with the other side of the hollow shell (111) for the coil spring contact type maximum liquid flow control mechanism, and the hollow shell (111) for the coil spring contact type maximum liquid flow control mechanism is arranged on the other side of the hollow shell (111) for the coil spring contact type maximum liquid flow control mechanism A coil spring contact type moving plate (117) for the maximum liquid flow control mechanism is arranged in the hollow structure (113) for the mechanism, the moving plate (117) for the coil spring contact type maximum liquid flow control mechanism is provided with a valve plate (118) for the coil spring contact type maximum liquid flow control mechanism, which is integrated with the moving plate (117), in the center of the end surface of the moving plate (115) at one side of the valve plate insertion space for the coil spring contact type maximum liquid flow control mechanism, the side surface of the moving plate (117) for the coil spring contact type maximum liquid flow control mechanism is provided with a liquid through hole (119) for the coil spring contact type maximum liquid flow control mechanism communicating with two end surfaces of the moving plate, and a spiral spring (1110) for the spiral spring contact type maximum liquid flow control mechanism is arranged on the other end surface of the moving plate (117) for the spiral spring contact type maximum liquid flow control mechanism.

6. The speed control device for the rotating mechanism of the building tower crane according to claim 5, wherein: the coil spring contact type air-liquid sealing ring (112) for the maximum liquid flow control mechanism is clamped in the auxiliary component mounting hole (10), and one end of the liquid inlet hole (116) for the maximum liquid flow control mechanism is communicated with the main flow hole structure (5).

7. The speed control device for the rotating mechanism of the building tower crane according to claim 5, wherein: the initial length of the coil spring contact type maximum liquid flow control mechanism coil spring (1110) is longer than the lateral length of the coil spring contact type maximum liquid flow control mechanism hollow structure (113).

8. The speed control device for the rotating mechanism of the building tower crane according to claim 1, wherein: the rotating shaft installation type fixed connection mechanism (16) comprises a rod-shaped shell (161) for the rotating shaft installation type fixed connection mechanism, a cable inserting groove structure (162) for the rotating shaft installation type fixed connection mechanism, a threaded pipeline body (163) for the rotating shaft installation type fixed connection mechanism, a touch plate groove structure (164) for the rotating shaft installation type fixed connection mechanism, a touch plate (165) for the rotating shaft installation type fixed connection mechanism, a bearing (166) for the rotating shaft installation type fixed connection mechanism, a threaded rod (167) for the rotating shaft installation type fixed connection mechanism, a threaded structure (168) for the rotating shaft installation type fixed connection mechanism and a rotating plate (169) for the rotating shaft installation type fixed connection mechanism; the center of a shaft-mounted type of revolution axis for fixed connection rod-like shell (161) terminal surface is provided with shaft-mounted type of revolution axis for fixed connection rod-like shell (161) insert groove structure (162), the side of shaft-mounted type of revolution axis for fixed connection rod-like shell (161) is provided with a plurality of for the integral type structure the shaft-mounted type of revolution axis for fixed connection rod-like shell (163), shaft-mounted type of revolution axis for fixed connection rod-like shell (161) is being located the inner wall that shaft-mounted type of revolution axis for fixed connection rod-like shell (161) inserted groove structure (162) is provided with a plurality of shaft-mounted type of revolution axis for fixed connection rod-like shell (164), every shaft-mounted type of revolution axis for fixed connection rod-like shell (164) internally mounted type of revolution axis for fixed connection rod-like shell (165), a terminal surface mounting one shaft-mounted type of revolution axis for fixed connection rod-like shell (165) for the shaft-mounted A threaded rod (167), wherein a rod body of the threaded rod (167) for the rotating shaft-mounted fixed connection mechanism penetrates through the rod-shaped housing (161) for the rotating shaft-mounted fixed connection mechanism and the threaded pipe body (163) for the rotating shaft-mounted fixed connection mechanism, the threaded rod (167) for the rotating shaft-mounted fixed connection mechanism and the threaded pipe body (163) for the rotating shaft-mounted fixed connection mechanism are connected by a threaded structure (168) for the rotating shaft-mounted fixed connection mechanism, and a rotating plate (169) for the rotating shaft-mounted fixed connection mechanism is mounted at an end of the threaded rod (167) for the rotating shaft-mounted fixed connection mechanism.

9. The speed control device for the rotating mechanism of the building tower crane according to claim 8, wherein: the other end surface of the rod-shaped housing (161) for the fixed connection mechanism of the rotary shaft installation type is fixedly connected with the two end parts of the concave rotary shaft (13).

10. The speed control device for the rotating mechanism of the building tower crane according to claim 8, wherein: the length of the threaded rod (167) for the rotating shaft installation type fixed connection mechanism is larger than the diameter of the cable insertion groove structure (162) for the rotating shaft installation type fixed connection mechanism.

Technical Field

The invention relates to the technical field of construction machinery, in particular to a speed control device for a rotating mechanism of a construction tower crane.

background

At present, at the building place, can't use the building tower crane less, and in the tower crane, be direct fixed connection between its driving motor and the hoist wheel, so at the during operation, in case take place to control unstability or misoperation, probably lead to lifting by crane the heavy object and fall and cause the accident, have great potential safety hazard.

disclosure of Invention

the invention aims to provide a speed control device for a rotating mechanism of a building tower crane, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a speed control device for a building tower crane rotating mechanism comprises a main body shell, wherein the center of the upper surface of the main body shell is of a groove structure, main vertical plate structures are arranged on two sides of the groove structure of the main body shell, main first compression spaces and main second compression spaces are respectively arranged on two sides of the main vertical plate structures in the main body shell, the centers of two sides of the main first compression spaces and the main second compression spaces are communicated through a main flow hole structure, a main part mounting hole penetrating through the center of the main part mounting hole is formed in the center of the main flow hole structure in the main body shell, a threaded structure moving screwing type liquid flow control mechanism is arranged in the main part mounting hole, a main first piston and a main second piston are respectively arranged in the main first compression spaces and the main second compression spaces, and an auxiliary part mounting hole communicated with the main flow hole structure is formed in the side surface of the main body shell, the main vertical plate structure comprises a main plate structure, a main vertical plate structure and a main vertical plate structure, wherein a spiral spring abutting type maximum liquid flow control mechanism is arranged in an auxiliary component mounting hole, liquid is filled in a sealing interval between the main first compression space and the main second compression space, the main second compression space and the main flow hole structure, a main first piston and a main second piston, a concave rotating shaft is arranged at the center of an opposite surface of the main vertical plate structure through a main bearing, a main shaft sleeve is arranged on a transverse shaft body in the middle of the concave rotating shaft, a main first movable rod and a main second movable rod are respectively arranged on opposite side surfaces of the main shaft sleeve, the end parts of the main first movable rod and the main second movable rod are respectively and fixedly connected with the end parts of the main first piston and the main second piston through movable hinges, and a rotating shaft mounting type fixed connecting mechanism is respectively arranged at the.

Further, the thread structure moving and screwing type liquid flow control mechanism comprises a shell for the thread structure moving and screwing type liquid flow control mechanism, a central hole for the thread structure moving and screwing type liquid flow control mechanism, a valve rod inserting hole for the thread structure moving and screwing type liquid flow control mechanism, a moving space for the thread structure moving and screwing type liquid flow control mechanism, a moving plate for the thread structure moving and screwing type liquid flow control mechanism, a valve rod for the thread structure moving and screwing type liquid flow control mechanism, a bearing for the thread structure moving and screwing type liquid flow control mechanism, a threaded rod for the thread structure moving and screwing type liquid flow control mechanism, a thread structure for the thread structure moving and screwing type liquid flow control mechanism and a rotating plate for the thread structure moving and screwing type liquid flow control mechanism; the thread structure moving screwing type liquid flow control mechanism is characterized in that a central hole for the thread structure moving screwing type liquid flow control mechanism is arranged at the center of a central hole for the thread structure moving screwing type liquid flow control mechanism, a valve rod inserting hole for the thread structure moving screwing type liquid flow control mechanism is arranged in the shell for the thread structure moving screwing type liquid flow control mechanism, a moving space for the thread structure moving screwing type liquid flow control mechanism is arranged at the top of the valve rod inserting hole for the thread structure moving screwing type liquid flow control mechanism, a moving plate for the thread structure moving screwing type liquid flow control mechanism is arranged in the moving space for the thread structure moving screwing type liquid flow control mechanism, and a valve rod for the thread structure moving screwing type liquid flow control mechanism is arranged in the valve rod inserting hole for the thread structure moving screwing type liquid flow control mechanism, the top of the valve rod for the thread structure movable screwing type liquid flow control mechanism is arranged at the center of the bottom of a movable plate for the thread structure movable screwing type liquid flow control mechanism, the center of the upper surface of a movable plate for the thread structure movable screwing type liquid flow control mechanism is provided with a threaded rod for the thread structure movable screwing type liquid flow control mechanism through a bearing for the thread structure movable screwing type liquid flow control mechanism, the rod body of the threaded rod for the thread structure movable screwing type liquid flow control mechanism is arranged in the center of the top of the shell for the thread structure movable screwing type liquid flow control mechanism through the thread structure movable screwing type liquid flow control mechanism, and a rotating plate for the thread structure movable screwing type liquid flow control mechanism is arranged at the top end of the threaded rod for the thread structure movable screwing type liquid flow control mechanism.

Furthermore, the thread structure for the thread structure movable screwing type liquid flow control mechanism comprises an external thread structure arranged on a threaded rod body for the thread structure movable screwing type liquid flow control mechanism and an internal thread structure arranged on the inner wall of a shell for the structure movable screwing type liquid flow control mechanism.

Furthermore, the shell for the thread structure movable screwing type liquid flow control mechanism is arranged in the main body shell, and the central hole for the thread structure movable screwing type liquid flow control mechanism is communicated with the main flow hole structure.

Further, the coil spring contact type maximum liquid flow control mechanism comprises a hollow shell for the coil spring contact type maximum liquid flow control mechanism, an empty liquid sealing ring for the coil spring contact type maximum liquid flow control mechanism, a hollow structure for the coil spring contact type maximum liquid flow control mechanism, a liquid discharge hole for the coil spring contact type maximum liquid flow control mechanism, a valve plate insertion space for the coil spring contact type maximum liquid flow control mechanism, a liquid inlet hole for the coil spring contact type maximum liquid flow control mechanism, a moving plate for the coil spring contact type maximum liquid flow control mechanism, a valve plate for the coil spring contact type maximum liquid flow control mechanism, a liquid through hole for the coil spring contact type maximum liquid flow control mechanism and a coil spring for the coil spring contact type maximum liquid flow control mechanism; the side surface of the hollow shell for the spiral spring contact type maximum liquid flow control mechanism is sleeved with a spiral spring contact type maximum liquid flow control mechanism hollow structure, the center inside the hollow shell for the spiral spring contact type maximum liquid flow control mechanism is provided with a spiral spring contact type maximum liquid flow control mechanism hollow structure, one side of the hollow shell for the spiral spring contact type maximum liquid flow control mechanism, which is positioned in the spiral spring contact type maximum liquid flow control mechanism hollow structure, is provided with a spiral spring contact type maximum liquid flow control mechanism liquid discharge hole, one end of the spiral spring contact type maximum liquid flow control mechanism liquid discharge hole is communicated with one end of the hollow shell for the spiral spring contact type maximum liquid flow control mechanism, and the hollow shell for the spiral spring contact type maximum liquid flow control mechanism is positioned in the spiral spring contact type maximum liquid flow control mechanism hollow shell A valve plate insertion space for a coil spring contact type maximum liquid flow control mechanism is arranged at the other side of the hollow structure, a liquid inlet hole for the coil spring contact type maximum liquid flow control mechanism is arranged at one side of the valve plate insertion space for the coil spring contact type maximum liquid flow control mechanism, the coil spring contact type maximum liquid flow control mechanism is communicated with the other side of the hollow shell for the coil spring contact type maximum liquid flow control mechanism through the liquid inlet hole, a moving plate for the coil spring contact type maximum liquid flow control mechanism is arranged in the hollow structure for the coil spring contact type maximum liquid flow control mechanism through the hollow shell for the coil spring contact type maximum liquid flow control mechanism, and the coil spring contact type maximum liquid flow control mechanism is arranged in the moving plate for the coil spring contact type maximum liquid flow control mechanism The valve plate for the spiral spring abutting type maximum liquid flow control mechanism is integrally arranged at the center of the end face of one side of the valve plate inserting space for the flow control mechanism, a liquid through hole for the spiral spring abutting type maximum liquid flow control mechanism is formed in the side face of the movable plate for the spiral spring abutting type maximum liquid flow control mechanism, the side face of the movable plate is communicated with the two end faces of the movable plate, and a spiral spring abutting type spiral spring for the maximum liquid flow control mechanism is arranged on the other end face of the movable plate for the spiral spring abutting type maximum liquid flow control mechanism.

Furthermore, the spiral spring contact type hollow liquid sealing ring for the maximum liquid flow control mechanism is clamped inside the auxiliary component mounting hole, and one end of the liquid inlet hole for the maximum liquid flow control mechanism is communicated with the main flow hole structure.

Further, the initial length of the coil spring for the coil spring contact type maximum liquid flow control mechanism is larger than the transverse length of the hollow structure for the coil spring contact type maximum liquid flow control mechanism.

Further, the rotation axis mounting type fixed connection mechanism includes a rod-like housing for the rotation axis mounting type fixed connection mechanism, a cable insertion groove structure for the rotation axis mounting type fixed connection mechanism, a threaded pipe body for the rotation axis mounting type fixed connection mechanism, a touch panel groove structure for the rotation axis mounting type fixed connection mechanism, a touch panel for the rotation axis mounting type fixed connection mechanism, a bearing for the rotation axis mounting type fixed connection mechanism, a threaded rod for the rotation axis mounting type fixed connection mechanism, a threaded structure for the rotation axis mounting type fixed connection mechanism, and a rotating plate for the rotation axis mounting type fixed connection mechanism; the center of one end face of the rod-shaped shell for the rotating shaft installation type fixed connection mechanism is provided with a rotating shaft installation type fixed connection mechanism cable insertion groove structure, the side face of the rod-shaped shell for the rotating shaft installation type fixed connection mechanism is provided with a plurality of threaded pipeline bodies for the rotating shaft installation type fixed connection mechanism which are integrated with the threaded pipeline bodies, the inner wall of the rod-shaped shell for the rotating shaft installation type fixed connection mechanism positioned in the rotating shaft installation type fixed connection mechanism cable insertion groove structure is provided with a plurality of rotating shaft installation type fixed connection mechanism touch panel groove structures, a rotating shaft installation type fixed connection mechanism touch panel is arranged in each rotating shaft installation type fixed connection mechanism touch panel groove structure, one end face of the rotating shaft installation type fixed connection mechanism touch panel is provided with a rotating shaft installation type fixed connection mechanism threaded rod, the threaded rod for the rotating shaft installation type fixed connection mechanism is characterized in that a rod body of the threaded rod for the rotating shaft installation type fixed connection mechanism penetrates through the rod-shaped shell for the rotating shaft installation type fixed connection mechanism and the threaded pipeline body for the rotating shaft installation type fixed connection mechanism, the threaded rod for the rotating shaft installation type fixed connection mechanism and the threaded pipeline body for the rotating shaft installation type fixed connection mechanism are connected through a threaded structure for the rotating shaft installation type fixed connection mechanism, and a rotating plate for the rotating shaft installation type fixed connection mechanism is installed at the end part of the threaded rod for the rotating shaft installation type fixed connection mechanism.

Further, the other end surface of the rod-shaped housing for the rotation shaft-mounted fixed connection mechanism is fixedly connected to both end portions of the concave rotation shaft.

Further, the length of the threaded rod for the rotating shaft installation type fixed connection mechanism is larger than the diameter of the cable insertion groove structure for the rotating shaft installation type fixed connection mechanism.

Compared with the prior art, the invention has the beneficial effects that: the invention utilizes the circulation flow of the liquid, controls the rotating speed of the rotating part by controlling the maximum flow quantity of the liquid when flowing, prevents accidents such as quick falling caused by stories, has stronger control capability, does not need other control equipment for assistance, has a thread structure moving and screwing type liquid flow control mechanism, can control the maximum flow quantity of the flowing liquid, thereby realizing a series of control effects, has a spiral spring contact type maximum liquid flow control mechanism, can control the maximum liquid pressure inside, and prevents the driving motor damage phenomenon caused by overlarge resistance.

Drawings

FIG. 1 is a schematic diagram of a full-section structure of a speed control device for a rotating mechanism of a building tower crane according to the present invention;

FIG. 2 is a schematic structural diagram of a thread structure moving screw-on type liquid flow control mechanism in the speed control device for the building tower crane rotating mechanism according to the present invention;

FIG. 3 is a schematic structural diagram of a coil spring contact type maximum liquid flow control mechanism in the speed control device for the rotating mechanism of the building tower crane according to the present invention;

FIG. 4 is a schematic structural view of a rotating shaft-mounted fixed connection mechanism in a speed control device for a rotating mechanism of a building tower crane according to the present invention;

In the figure: 1, a main body housing, 2, a main vertical plate structure, 3, a main first compression space, 4, a main second compression space, 5, a main flow hole structure, 6, a main part mounting hole, 7, a screw structure moving screwing type liquid flow control mechanism, 71, a screw structure moving screwing type liquid flow control mechanism housing, 72, a screw structure moving screwing type liquid flow control mechanism central hole, 73, a screw structure moving screwing type liquid flow control mechanism valve rod insertion hole, 74, a screw structure moving screwing type liquid flow control mechanism moving space, 75, a screw structure moving screwing type liquid flow control mechanism moving plate, 76, a screw structure moving screwing type liquid flow control mechanism valve rod, 77, a screw structure moving screwing type liquid flow control mechanism bearing, 78, a screw structure moving screwing type liquid flow control mechanism threaded rod, 79, a thread structure for a thread structure moving screw-on type liquid flow control mechanism, 710, a rotating plate for a thread structure moving screw-on type liquid flow control mechanism, 8, a main first piston, 9, a main second piston, 10, an auxiliary member mounting hole, 11, a coil spring abutting type maximum liquid flow control mechanism, 111, a hollow housing for a coil spring abutting type maximum liquid flow control mechanism, 112, a hollow seal ring for a coil spring abutting type maximum liquid flow control mechanism, 113, a hollow structure for a coil spring abutting type maximum liquid flow control mechanism, 114, a liquid discharge hole for a coil spring abutting type maximum liquid flow control mechanism, 115, a valve plate insertion space for a coil spring abutting type maximum liquid flow control mechanism, 116, a liquid inlet hole for a coil spring abutting type maximum liquid flow control mechanism, 117, a moving plate for a coil spring abutting type maximum liquid flow control mechanism, 118, a valve plate for a coil spring contact type maximum liquid flow control mechanism, 119, a liquid passing hole for a coil spring contact type maximum liquid flow control mechanism, 1110, a coil spring for a coil spring contact type maximum liquid flow control mechanism, 12, a main bearing, 13, a concave rotary shaft, 14, a main shaft housing, 15, a main first movable rod, 16, a rotary shaft mounting type fixed connection mechanism, 161, a rod-shaped housing for a rotary shaft mounting type fixed connection mechanism, 162, a cable insertion groove structure for a rotary shaft mounting type fixed connection mechanism, 163, a threaded pipe body for a rotary shaft mounting type fixed connection mechanism, 164, a touch plate groove structure for a rotary shaft mounting type fixed connection mechanism, 165, a touch plate for a rotary shaft mounting type fixed connection mechanism, 166, a bearing for a rotary shaft mounting type fixed connection mechanism, 167, a threaded rod for a rotary shaft mounting type fixed connection mechanism, 168, a screw structure for a rotation shaft mounting type fixed connection mechanism 169, rotation plates for a rotation shaft mounting type fixed connection mechanism 17, main and second movable rods 18, and a movable hinge.

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, an embodiment of the present invention: the device comprises a main body shell 1, wherein the center of the upper surface of the main body shell 1 is of a groove structure, main vertical plate structures 2 are arranged on two sides of the groove structure of the main body shell 1, a main first compression space 3 and a main second compression space 4 are respectively arranged on two sides of the main vertical plate structures 2 in the main body shell 1, the centers of two sides of the main first compression space 3 and the main second compression space 4 are communicated through a main flow hole structure 5, a main part mounting hole 6 penetrating through the center of the main flow hole structure 5 is arranged in the main body shell 1, a thread structure moving screwing type liquid flow control mechanism 7 is arranged in the main part mounting hole 6, a main first piston 8 and a main second piston 9 are respectively arranged in the main first compression space 3 and the main second compression space 4, an auxiliary part mounting hole 10 communicated with the main flow hole structure 5 is arranged on the side surface of the main body shell 1, a coil spring contact type maximum liquid flow control mechanism 11 is arranged in the auxiliary component mounting hole 10, the main first compression space 3, the main second compression space 4, the main flow bore structure 5, the sealed space between the main first piston 8 and the main second piston 9 are filled with a liquid 19, the center of the opposite surface of the main vertical plate structure 2 is provided with a concave rotating shaft 13 through a main bearing 12, a main shaft sleeve 14 is arranged on a transverse shaft body in the middle of the concave rotating shaft 13, a main first movable rod 15 and a main second movable rod 17 are respectively arranged on opposite side surfaces of the main shaft sleeve 14, the ends of the main first movable rod 15 and the main second movable rod 17 are fixedly connected with the ends of the main first piston 8 and the main second piston 9 respectively through a movable hinge 18, and a rotating shaft mounting type fixed connecting mechanism 16 is respectively mounted at the transverse parts of the two ends of the concave rotating shaft 13.

Referring to fig. 2, the screw-structured movable screw-on type liquid flow control mechanism 7 includes a screw-structured movable screw-on type liquid flow control mechanism housing 71, a screw-structured movable screw-on type liquid flow control mechanism center hole 72, a screw-structured movable screw-on type liquid flow control mechanism valve stem insertion hole 73, a screw-structured movable screw-on type liquid flow control mechanism movement space 74, a screw-structured movable screw-on type liquid flow control mechanism movement plate 75, a valve stem 76 for a screw-structured movable screw-type liquid flow control mechanism, a bearing 77 for a screw-structured movable screw-type liquid flow control mechanism, a threaded rod 78 for a screw-structured movable screw-type liquid flow control mechanism, a screw structure 79 for a screw-structured movable screw-type liquid flow control mechanism, and a rotating plate 710 for a screw-structured movable screw-type liquid flow control mechanism; the thread structure movable screwing type liquid flow control mechanism is characterized in that a central thread structure movable screwing type liquid flow control mechanism central hole 72 is formed in the bottom of a shell 71 for the thread structure movable screwing type liquid flow control mechanism, a thread structure movable screwing type liquid flow control mechanism valve rod inserting hole 73 is formed in the center of the threaded structure movable screwing type liquid flow control mechanism central hole 72, a thread structure movable screwing type liquid flow control mechanism moving space 74 is formed in the top of the thread structure movable screwing type liquid flow control mechanism valve rod inserting hole 73, a thread structure movable screwing type liquid flow control mechanism moving plate 75 is installed inside the thread structure movable screwing type liquid flow control mechanism moving space 74, and a thread structure movable screwing type liquid flow control mechanism moving plate 75 is installed inside the thread structure movable screwing type liquid flow control mechanism valve rod inserting hole 73 A valve rod 76 for a screw-structured movable screw-type liquid flow control mechanism, the top of which valve rod 76 is installed at the center of the bottom of a movable plate 75 for a screw-structured movable screw-type liquid flow control mechanism, a threaded rod 78 for a thread structure movable screw-type liquid flow control mechanism is installed at the center of the upper surface of the movable plate 75 for a thread structure movable screw-type liquid flow control mechanism through a bearing 77 for a thread structure movable screw-type liquid flow control mechanism, the rod body of the threaded rod 78 for the thread structure movable screwing type liquid flow control mechanism is installed in the center of the top of the shell 71 for the thread structure movable screwing type liquid flow control mechanism through a thread structure 79 for the thread structure movable screwing type liquid flow control mechanism, a rotating plate 710 for the screw thread structure movable screwing type liquid flow control mechanism is arranged at the top end of the screw thread 78 for the screw thread structure movable screwing type liquid flow control mechanism; the thread structure 79 for the movable screwing type liquid flow control mechanism comprises an external thread structure arranged on the rod body of the threaded rod 78 for the movable screwing type liquid flow control mechanism and an internal thread structure arranged on the inner wall of the shell 71 for the movable screwing type liquid flow control mechanism; the shell 71 for the thread structure movable screwing type liquid flow control mechanism is arranged in the main body shell 1, the central hole 72 for the thread structure movable screwing type liquid flow control mechanism is communicated with the main flow hole structure 5, and the thread structure movable screwing type liquid flow control mechanism mainly has the following functions: through rotatory rotor plate, can adjust the valve rod to reach the effect of control rivers.

referring to fig. 3, the coil spring contact type maximum liquid flow control mechanism 11 includes a coil spring contact type maximum liquid flow control mechanism hollow housing 111, a coil spring contact type maximum liquid flow control mechanism hollow seal ring 112, a coil spring contact type maximum liquid flow control mechanism hollow structure 113, a coil spring contact type maximum liquid flow control mechanism liquid discharge hole 114, a coil spring contact type maximum liquid flow control mechanism valve plate insertion space 115, a liquid inlet hole 116 for a coil spring contact type maximum liquid flow control mechanism, a moving plate 117 for a coil spring contact type maximum liquid flow control mechanism, a valve plate 118 for a coil spring contact type maximum liquid flow control mechanism, a liquid through hole 119 for a coil spring contact type maximum liquid flow control mechanism, and a coil spring 1110 for a coil spring contact type maximum liquid flow control mechanism; a coil spring contact type hollow structure 113 for the maximum liquid flow control mechanism is arranged at the center inside the hollow shell 111 for the coil spring contact type maximum liquid flow control mechanism, a coil spring contact type liquid discharge hole 114 for the maximum liquid flow control mechanism is arranged at one side of the hollow structure 113 for the coil spring contact type maximum liquid flow control mechanism on the hollow shell 111 for the coil spring contact type maximum liquid flow control mechanism, one end of the coil spring contact type liquid discharge hole 114 for the maximum liquid flow control mechanism is communicated with one end of the hollow shell 111 for the coil spring contact type maximum liquid flow control mechanism, and the hollow shell 111 for the coil spring contact type maximum liquid flow control mechanism is arranged at one end of the hollow shell 111 for the coil spring contact type maximum liquid flow control mechanism on the hollow shell 111 for the coil spring contact type maximum liquid flow control mechanism A valve plate insertion space 115 for a coil spring contact type maximum liquid flow control mechanism is provided on the other side of the hollow structure 113 for a large liquid flow control mechanism, a liquid inlet hole 116 for a coil spring contact type maximum liquid flow control mechanism is provided on one side of the hollow shell 111 for a coil spring contact type maximum liquid flow control mechanism located in the valve plate insertion space 115 for a coil spring contact type maximum liquid flow control mechanism, the liquid inlet hole 116 for a coil spring contact type maximum liquid flow control mechanism is communicated with the other side of the hollow shell 111 for a coil spring contact type maximum liquid flow control mechanism, a movable plate 117 for a coil spring contact type maximum liquid flow control mechanism is provided in the hollow structure 113 for a coil spring contact type maximum liquid flow control mechanism located in the hollow shell 111 for a coil spring contact type maximum liquid flow control mechanism, the coil spring contact type maximum liquid flow control mechanism moving plate 117 is provided with a coil spring contact type maximum liquid flow control mechanism valve plate 118 of an integrated structure with the coil spring contact type maximum liquid flow control mechanism valve plate at the center of the end surface positioned at one side of the coil spring contact type maximum liquid flow control mechanism valve plate insertion space 115, the side surface of the coil spring contact type maximum liquid flow control mechanism moving plate 117 is provided with a coil spring contact type maximum liquid flow control mechanism liquid through hole 119 communicated with the two end surfaces thereof, and the other end surface of the coil spring contact type maximum liquid flow control mechanism moving plate 117 is provided with a coil spring contact type maximum liquid flow control mechanism coil spring 1110; the coil spring contact type air-liquid sealing ring 112 for the maximum liquid flow control mechanism is clamped in the auxiliary component mounting hole 10, and one end of the liquid inlet hole 116 for the coil spring contact type maximum liquid flow control mechanism is communicated with the main flow hole structure 5; the initial length of the coil spring 1110 for the coil spring contact type maximum liquid flow control mechanism is greater than the transverse length of the hollow structure 113 for the coil spring contact type maximum liquid flow control mechanism, and the main functions are as follows: the elastic value of the spiral spring 1110 for the spiral spring contact type maximum liquid flow control mechanism is the maximum pressure value, and when the internal pressure value is larger than the elastic force of the spiral spring 1110 for the spiral spring contact type maximum liquid flow control mechanism, the internal liquid can be discharged in time, so that the pressure is reduced, and the elastic force of the spiral spring 1110 for the spiral spring contact type maximum liquid flow control mechanism is smaller than the value of the rotation strength of the tower crane rotating motor at the maximum power.

Referring to fig. 4, the rotating shaft-mounted fixed connection mechanism 16 includes a rod-shaped housing 161 for a rotating shaft-mounted fixed connection mechanism, a cable insertion groove structure 162 for a rotating shaft-mounted fixed connection mechanism, a threaded pipe body 163 for a rotating shaft-mounted fixed connection mechanism, a touch panel groove structure 164 for a rotating shaft-mounted fixed connection mechanism, a touch panel 165 for a rotating shaft-mounted fixed connection mechanism, a bearing 166 for a rotating shaft-mounted fixed connection mechanism, a threaded rod 167 for a rotating shaft-mounted fixed connection mechanism, a threaded structure 168 for a rotating shaft-mounted fixed connection mechanism, and a rotating plate 169 for a rotating shaft-mounted fixed connection mechanism; a cable insertion groove structure 162 for a rotary shaft installation type fixed connection mechanism is arranged at the center of one end face of the rotary shaft installation type fixed connection mechanism rod-shaped shell 161, a plurality of threaded pipeline bodies 163 for the rotary shaft installation type fixed connection mechanism are arranged on the side face of the rotary shaft installation type fixed connection mechanism rod-shaped shell 161, the threaded pipeline bodies are of an integrated structure with the threaded pipeline bodies, a plurality of rotary shaft installation type fixed connection mechanism touch plate groove structures 164 are arranged on the inner wall of the rotary shaft installation type fixed connection mechanism rod-shaped shell 161, each rotary shaft installation type fixed connection mechanism touch plate groove structure 164 is internally provided with a rotary shaft installation type fixed connection mechanism touch plate 165, one end face of the rotary shaft installation type fixed connection mechanism touch plate 165 is provided with a rotary shaft installation type threaded rod 167 for the fixed connection mechanism, a rod body of the screw rod 167 for the rotation axis mounting type fixed connection mechanism penetrates the rod-shaped casing 161 for the rotation axis mounting type fixed connection mechanism and the screw pipe body 163 for the rotation axis mounting type fixed connection mechanism, the screw rod 167 for the rotation axis mounting type fixed connection mechanism and the screw pipe body 163 for the rotation axis mounting type fixed connection mechanism are connected by the screw structure 168 for the rotation axis mounting type fixed connection mechanism, and a rotation plate 169 for the rotation axis mounting type fixed connection mechanism is mounted at an end of the screw rod 167 for the rotation axis mounting type fixed connection mechanism; the other end surface of the rod-shaped housing 161 for the rotation shaft-mounted fixed connection mechanism is fixedly connected to both end portions of the concave rotation shaft 13; the length of the threaded rod 167 for the fixed connection mechanism of the installation type of the rotating shaft is greater than the diameter of the cable insertion groove structure 162 for the fixed connection mechanism of the installation type of the rotating shaft, and the main function is as follows: through to inserting inside rotation axis, carry out helicitic texture's rotatory conflict effect, can realize the location and connect.

The specific use mode is as follows: in the working process of the invention, a main body shell 1 is arranged at a working position, then two rotating shaft installation type fixed connecting mechanisms 16 are respectively connected with a driving shaft of a rotating motor and a driven shaft for working, when the device works, the motor rotates to drive a part to rotate, when the part rotates, liquid 19 in the part can circularly move under the action of the movement of a piston, and the movement speed of the piston is controlled by adjusting a spiral spring contact type maximum liquid flow control mechanism 7 to control the flow speed of the liquid 9, thereby further controlling the speed of the rotating mechanism.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.