阅读说明：本技术 一种大型雨棚布牵引装置 (Large-scale canopy cloth draw gear ) 是由 顾社群 杨鹤凤 杨成国 季伟 曾兵 刘志鹏 陈小刚 李晶波 卢滨 于 2020-04-30 设计创作，主要内容包括：本发明公开了船舶运输技术领域的一种大型雨棚布牵引装置,包括两组轨架及连接在两组轨架之间的雨棚布,两组轨架的相对侧壁均安装有牵引组件,两组牵引组件连接于雨棚布的两侧,轨架远离雨棚布的一侧壁安装有多个线座和一个张力传感装置,轨架的外周安装有导向机构和驱动组件,驱动组件的输出端通过钢丝绳依次与导向机构、线座和张力传感装置相连接,轨架的一端安装有限位开关,结构设计新颖,安全链条避免雨棚布牵引张力过大损毁雨蓬布；轨道与水平方向有5°夹角,既方便牵引装置在轨道上滑行,又方便调整雨棚布横向张紧力；通过力矩保护和机械限位,避免操作人员因操作不当引起安全事故,造成不必要的人身伤害和经济损失。(The invention discloses a large canopy cloth traction device in the technical field of ship transportation, which comprises two groups of rail frames and canopy cloth connected between the two groups of rail frames, wherein traction assemblies are arranged on opposite side walls of the two groups of rail frames, the two groups of traction assemblies are connected to two sides of the canopy cloth, a plurality of wire seats and a tension sensing device are arranged on one side wall of each rail frame, which is far away from the canopy cloth, a guide mechanism and a driving assembly are arranged on the periphery of each rail frame, the output end of the driving assembly is sequentially connected with the guide mechanism, the wire seats and the tension sensing device through a steel wire rope, and a limit switch is arranged at one end of each rail frame; the track and the horizontal direction form an included angle of 5 degrees, so that the traction device can conveniently slide on the track, and the transverse tension force of the canopy cloth can be conveniently adjusted; through moment protection and mechanical spacing, avoid operating personnel to cause the incident because of the misoperation, cause unnecessary bodily injury and economic loss.)

1. The large canopy cloth traction device comprises two groups of rail frames (1) and canopy cloth (3) connected between the two groups of rail frames (1), and is characterized in that traction assemblies (2) are installed on opposite side walls of the two groups of rail frames (1), the two groups of traction assemblies (2) are connected to two sides of the canopy cloth (3), a plurality of wire seats (5) and a tension sensing device (6) are installed on one side wall, far away from the canopy cloth (3), of each rail frame (1), a guide mechanism (4) and a driving assembly (9) are installed on the periphery of each rail frame (1), the output end of each driving assembly (9) is sequentially connected with the guide mechanism (4), the wire seats (5) and a tension sensing device (6) through a steel wire rope (8), a limit switch (7) is installed at one end of each rail frame (1), the tension sensing device (6) and the limit switch (7) are connected with an external P L C control center (11) through cables, and the tension sensing device (6) and the limit switch (7) are connected with an external power supply line through power wires.

2. A large rainshed cloth pulling apparatus as claimed in claim 1, wherein: the track frame (1) is provided with a plurality of traction assemblies (2), and the distance between every two adjacent traction assemblies (2) is 1.5 m.

3. A large rainshed cloth pulling apparatus as claimed in claim 2, wherein: a safety chain (10) is connected between every two adjacent traction assemblies (2).

4. A large rainshed cloth pulling apparatus as claimed in claim 1, wherein: a rail (101) is fixed on one side wall of the rail frame (1) connected with the traction assembly (2), the rail (101) is in an I shape, and an included angle of 5 degrees is formed between the rail (101) and the horizontal direction.

5. A large rainshed cloth pulling apparatus as claimed in claim 4, wherein: traction assembly (2) are including seat frame (201), fixing pin axle (202), draw hook (203), fixing bolt (204) and walking wheel (205), the inside both sides of seat frame (201) are all through fixing bolt (204) fixed walking wheel (205), and are two sets of walking wheel (205) cooperate with the one end of track (101), connect through fixing pin axle (202) on the lateral wall of track (101) and draw hook (203) are kept away from in seat frame (201), draw hook (203) and canopy cloth (3) are connected.

6. A large rainshed cloth pulling apparatus as claimed in claim 1, wherein: every group rail frame (1) periphery is provided with a set of guiding mechanism (4), guiding mechanism (4) include pulley spare one (401), pulley spare two (402) and pulley spare three (403), install pulley spare one (401) one side of rail frame (1) installation limit switch (7), install in the opposite side of rail frame (1) pulley spare two (402) and pulley spare three (403).

7. A large rainshed cloth pulling apparatus as claimed in claim 6, wherein: pulley spare three (403) are connected with line seat (5), tension sensing device (6), pulley spare (401) and be close to traction assembly (2) of limit switch (7) one side in proper order through wire rope (8), pulley spare two (402) are connected with the traction assembly (2) of keeping away from limit switch (7) one side through wire rope (8).

8. A large rainshed cloth pulling apparatus as claimed in claim 1, wherein: the driving assembly (9) comprises a motor (901), a speed reducer (902) and a winding drum (903), wherein the output end of the motor (901) is connected with the input end of the speed reducer (902), the two output ends of the speed reducer (902) are both connected with the winding drum (903), and the winding drum (903) is wound on one end of the steel wire rope (8).

9. A large canopy cloth draw gear according to claim 1, characterized in that the P L C control center (11) is connected with an alarm device (12), an operation platform (13) and a frequency converter (14), and the frequency converter (14) is connected with a brake rheostat (15) and a drive assembly (9).

Technical Field

The invention relates to the technical field of ship transportation, in particular to a large canopy cloth traction device.

Background

In the process of building a bulk cargo ship, the bulk cargo ship is often quickly formed when meeting a main ship body, but the cargo arriving period of a hatch cover is late, and the period of installation and debugging is long, so that the cargo hold area is placed in the open air for a long time, when meeting rainy weather, the accumulated water in the cargo hold area is serious because the cargo hold area is not shielded by the hatch cover, and the accumulated water in the cargo hold area is removed after rain, which is a very laborious thing. So the prior art adopts more than one canopy cloth to protect.

However, in a ship transported in a rainforest in the tropical region of africa, the cargo hold of the ship is arranged above the main deck, the climate is also subjected to climate change, canopy cloth needs to be arranged above the hatch, the area of the cabin is large, and in order to facilitate opening an account and arranging a canopy, a traction device needs to be arranged to arrange the canopy cloth, the conventional traction device cannot adapt to severe weather, the canopy cloth can be damaged in severe weather, or safety accidents are caused by misoperation of operating personnel, so that unnecessary personal injury and economic loss are caused.

Based on the above, the invention designs a large canopy cloth traction device to solve the above mentioned problems.

Disclosure of Invention

The invention aims to provide a large canopy cloth traction device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme that the large-scale canopy cloth traction device comprises two groups of rail frames and canopy cloth connected between the two groups of rail frames, traction assemblies are arranged on opposite side walls of the two groups of rail frames, the two groups of traction assemblies are connected to two sides of the canopy cloth, a plurality of wire seats and a tension sensing device are arranged on one side wall, away from the canopy cloth, of each rail frame, a guide mechanism and a driving assembly are arranged on the periphery of each rail frame, the output end of each driving assembly is sequentially connected with the guide mechanism, the wire seats and the tension sensing device through steel wire ropes, a limit switch is arranged at one end of each rail frame, the tension sensing device and the limit switch are connected with an external P L C control center through data cables, and the tension sensing device and the limit switch are connected with an external power supply through power wires.

Preferably, a plurality of traction assemblies are arranged on the rail frame, and the distance between every two adjacent traction assemblies is 1.5 m.

Preferably, a safety chain is connected between two adjacent traction assemblies.

Preferably, a rail is fixed on one side wall of the rail frame connected with the traction assembly, the rail is in an I shape, and an included angle of 5 degrees is formed between the rail and the horizontal direction.

Preferably, the traction assembly comprises a seat frame, a fixed pin shaft, a traction hook, a fixed bolt and a walking wheel, the walking wheel is fixed on two sides of the inside of the seat frame through the fixed bolt, the walking wheel is matched with one end of the track, the traction hook is connected to one side wall of the seat frame far away from the track through the fixed pin shaft, and the traction hook is connected with the canopy cloth.

Preferably, every group the rail frame periphery is provided with a set of guiding mechanism, guiding mechanism includes pulley spare one, pulley spare two and pulley spare three, pulley spare one is installed one side of rail frame installation limit switch, pulley spare two and pulley spare three are installed in the opposite side of rail frame.

Preferably, the pulley part III is sequentially connected with the wire base, the tension sensing device, the pulley part I and the traction assembly close to one side of the limit switch through a steel wire rope, and the pulley part II is connected with the traction assembly far away from one side of the limit switch through a steel wire rope.

Preferably, the driving assembly comprises a motor, a speed reducer and a winding drum, the output end of the motor is connected with the input end of the speed reducer, the two output ends of the speed reducer are both connected with the winding drum, and the winding drum is wound on one end of the steel wire rope.

Preferably, the P L C control center is connected with an alarm device, an operation platform and a frequency converter, and the frequency converter is connected with a brake rheostat and a driving assembly.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, the canopy cloth single-point tension limitation and folding and unfolding are considered, and a traction assembly is arranged on the track frame every 1.5 meters;

2. the invention does not avoid the damage of canopy cloth caused by overlarge traction tension of canopy cloth, and a safety chain is connected between two adjacent traction components;

3. according to the invention, the wide width and the phenomena of thermal expansion and cold contraction of the canopy cloth are considered, and the rail and the horizontal direction form an included angle of 5 degrees, so that the traction device can conveniently slide on the rail, and the transverse tension of the canopy cloth can be conveniently adjusted;

4. according to the invention, the limit switch for preventing the traction assembly from being separated from the track by misoperation and the tension of the control steel wire rope are not more than the upper limit of the design regulation are arranged, the tension sensing device for preventing the equipment from being damaged by overhigh tension caused by equipment failure is prevented, and unnecessary personal injury and economic loss caused by safety accidents caused by improper operation of operators are avoided through torque protection and mechanical limit.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of the draft assembly of the present invention;

FIG. 3 is a schematic view of a driving assembly according to the present invention;

FIG. 4 is a circuit diagram of a frequency converter according to the present invention;

fig. 5 is a block diagram of the working principle of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a rail frame, 101, a rail, 2, a traction assembly, 201, a seat frame, 202, a fixed pin shaft, 203, a traction hook, 204, a fixed bolt, 205, a traveling wheel, 3, canopy cloth, 4, a guide mechanism, 401, a first pulley piece, 402, a second pulley piece, 403, a third pulley piece, 5, a wire seat, 6, a tension sensing device, 7, a limit switch, 8, a steel wire rope, 9, a driving assembly, 901, a motor, 902, a speed reducer, 903, a winding drum, 10, a safety chain, 11, P L C control center, 12, an alarm device, 13, an operation platform, 14, a frequency converter, 15 and a brake rheostat.

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. 1-5, the invention provides a technical scheme that a large canopy cloth traction device comprises two groups of track frames 1 and canopy cloth 3 connected between the two groups of track frames 1, traction assemblies 2 are mounted on opposite side walls of the two groups of track frames 1, the two groups of traction assemblies 2 are connected to two sides of the canopy cloth 3, the canopy cloth 3 can be driven to unfold, store and fold through the traction assemblies 2, a plurality of wire seats 5 and a tension sensing device 6 are mounted on one side wall of the track frame 1 far away from the canopy cloth 3, the wire seats 5 can limit a steel wire rope 8 on one side close to a cabinet frame 1 to prevent the steel wire rope 8 from being damaged by external influence, the tension sensing device adopts the prior art, a CPYZ-15T tension sensor of huahai instruments limited instrument company can be selected, tension monitoring mainly controls the tension of the steel wire rope 8 not to exceed the upper limit specified by design, the equipment is prevented from being damaged by controlling the excessive tension of the steel wire rope 8, a guiding mechanism 4 and a driving assembly 9 are mounted on the periphery of the track frame 1, the guiding mechanism 4 is mainly used for changing the power unit, the direction of the steel wire rope, the cable is connected with a power switch, the cable is connected with a cable, the cable is connected with the cable, the cable is prevented from the cable, the cable is connected with the cable, the cable is.

The plurality of traction assemblies 2 arranged on the rail frame 1 are arranged, the distance between every two adjacent traction assemblies 2 is 1.5m, the canopy cloth is limited by single-point tension and folded, and the traction assemblies 2 are arranged at intervals of 1.5m along the edges of two sides of the length direction of the canopy cloth.

Wherein, two adjacent draw and be connected with safe chain 10 between the subassembly 2, avoid canopy cloth to draw too big damage canopy cloth of tension.

Wherein, be fixed with track 101 on a lateral wall that track frame 1 and traction assembly 2 are connected, track 101 is "worker" word shape, considers canopy cloth width broad and the shrinkage phenomenon that rises with heat, track 101 has 5 contained angles with the horizontal direction, has both made things convenient for draw gear to slide on the track, conveniently adjusts canopy cloth transverse tension again.

Wherein, the traction assembly 2 comprises a seat frame 201, a fixing pin shaft 202, a traction hook 203, a fixing bolt 204 and a walking wheel 205, the walking wheel 205 is fixed on two sides of the inside of the seat frame 201 through the fixing bolt 204, the walking wheel 205 is matched with one end of the track 101, the seat frame 201 is far away from one side wall of the track 101 and is connected with the traction hook 203 through the fixing pin shaft 202, and the traction hook 203 is connected with the canopy cloth 3. So that the traction assembly 2 can walk along the track 101 in a straight line under the traction of the steel wire rope 8.

The periphery of each group of the rail frame 1 is provided with a group of the guide mechanism 4, each guide mechanism 4 comprises a first pulley piece 401, a second pulley piece 402 and a third pulley piece 403, the first pulley piece 401 is installed on one side of the rail frame 1 where the limit switch 7 is installed, and the second pulley piece 402 and the third pulley piece 403 are installed on the other side of the rail frame 1.

And a group of guide mechanisms 4 is arranged on the periphery of each group of rail frames 1, each guide mechanism 4 comprises a first pulley piece 401, a second pulley piece 402 and a third pulley piece 403, the first pulley piece 401 is arranged on one side of each rail frame 1 where the limit switch 7 is arranged, and the second pulley piece 402 and the third pulley piece 403 are arranged on the other side of each rail frame 1.

The guide mechanism 4 is composed of a plurality of pulleys, the pulleys related to the invention are in the prior art, mainly comprise pulleys, shafts, shaft sleeves, pulley seats and the like, and mainly function in changing the direction of a steel wire rope pulled by a power unit.

The driving assembly 9 comprises a motor 901, a speed reducer 902 and a winding drum 903, wherein the output end of the motor 901 is connected with the input end of the speed reducer 902, two output ends of the speed reducer 902 are both connected with the winding drum 903, the winding drum 903 is wound on the steel wire rope 8, the motor 901 drives the speed reducer 902, the winding drum 903 is driven to rotate through the output shaft of the speed reducer 902, and tension traction of the steel wire rope 8 wound on the winding drum 903 is achieved.

The P L C control center 11 is connected with an alarm device 12, an operation platform 13 and a frequency converter 14, the frequency converter 14 is connected with a brake rheostat 15 and a driving assembly 9, the alarm device 12 is used for reminding a worker in a voice or other way when the tension sensing device 6 detects that the tension of the steel wire rope 8 exceeds a preset threshold, the operation platform 13 is a platform operated by the operator, the operator can control the driving assembly 9 through the operation platform 13 and read and print a value monitored by the tension sensing device 6, the frequency converter 14 can ensure the stable operation of a power supply network through the connected brake rheostat 15, and protect the frequency converter 14 from being damaged by regenerated electric energy, and the frequency converter 14 is connected with a motor 901 in the driving assembly 9 and is used for controlling the operation of a variable frequency motor of the driving assembly 9.

The specific working principle is as follows:

when needing to expand canopy cloth 3 and use, only need operating personnel to carry out manual control through operation platform 13, perhaps carry out automatic control through P L C control center 11 to drive assembly 9, drive assembly 9 passes through converter 14 and is connected through P L C control center 11, can carry out the speed governing to motor 901, thereby can know canopy cloth 3's expansion speed, motor 901 is after speed reducer 902 changes speed, unreel wire rope 8 through reel 903, wire rope 8 drives the subassembly 2 of pulling of connecting on canopy cloth 3 and removes on track 101.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.