Ship self-washing cabin machinery

文档序号:1809224 发布日期:2021-11-09 浏览:21次 中文

阅读说明:本技术 船舶自洗舱机械 (Ship self-washing cabin machinery ) 是由 马衡飞 于 2021-10-14 设计创作,主要内容包括:本发明公开了船舶自洗舱机械,属于船舶机械技术领域,包括用于容载的船体和船舱,横向移动机构和纵向移动机构,用于提高船舱清洗效率的横向移动机构和纵向移动机构安装在船舱的内部,并通过纵向移动机构安装有方位调整机构和角度调整机构。本发明中,通过设计的横向移动机构,在正反转电机转动时能够带动丝杆进行转动,丝杆转动时能够带动其上的移动板进行转动,在第一导向杆、滑动板和四个第二导向杆的限位下,使移动板能够在丝杆上左右移动,同时移动板通过四个第二导向杆带动滑动板在第一导向杆上左右滑动,从而能够带动纵向移动机构、方位调整机构、角度调整机构和喷水头进行左右移动,不仅便于对船舱进行清洗,而且节省人力。(The invention discloses a ship self-washing cabin machine, which belongs to the technical field of ship machines and comprises a ship body and a cabin for containing and carrying, a transverse moving mechanism and a longitudinal moving mechanism, wherein the transverse moving mechanism and the longitudinal moving mechanism for improving the cabin cleaning efficiency are arranged in the cabin, and an azimuth adjusting mechanism and an angle adjusting mechanism are arranged through the longitudinal moving mechanism. According to the invention, through the designed transverse moving mechanism, the screw rod can be driven to rotate when the forward and reverse rotating motor rotates, the moving plate on the screw rod can be driven to rotate when the screw rod rotates, the moving plate can move left and right on the screw rod under the limit of the first guide rod, the sliding plate and the four second guide rods, and meanwhile, the moving plate drives the sliding plate to slide left and right on the first guide rod through the four second guide rods, so that the longitudinal moving mechanism, the direction adjusting mechanism, the angle adjusting mechanism and the water spraying head can be driven to move left and right, the cabin can be conveniently cleaned, and the labor is saved.)

1. Marine self-tankage machine, comprising:

a hull (1) and a hold (2) for holding;

the device comprises a transverse moving mechanism and a longitudinal moving mechanism, wherein the transverse moving mechanism and the longitudinal moving mechanism for improving the cleaning efficiency of a cabin (2) are arranged in the cabin (2), and are provided with an azimuth adjusting mechanism and an angle adjusting mechanism through the longitudinal moving mechanism, and the longitudinal moving mechanism is provided with a distance sensor (503);

the direction adjusting mechanism is fixedly connected to the lower surface of the longitudinal adjusting mechanism through a first mounting plate (600), the direction adjusting mechanism comprises a first rotary hydraulic cylinder (601) used for adjusting the direction, the output end of the first rotary hydraulic cylinder (601) is fixedly connected with a mounting frame (602), the inner wall of the lower end opening of the mounting frame (602) is symmetrically and rotatably connected with rotating shafts, one side of each of the two rotating shafts, which is close to each other, is fixedly connected with the outer side of a water spraying head (604) through a mounting block (603), the upper surface of the right end of the water spraying head (604) is fixedly connected with a hinged base (10), one end of the water spraying head (604) is fixedly provided with a water pipe (605),

angle adjustment mechanism passes through second mounting panel (700) fixed connection on position adjustment mechanism's right side, second mounting panel (700) fixed connection is in one side upper end of mounting bracket (602), angle adjustment mechanism is including second rotary hydraulic cylinder (701) that is used for angle of adjustment, the output fixedly connected with carousel (702) of second rotary hydraulic cylinder (701), the one end of second rotary hydraulic cylinder (701) is kept away from in carousel (702) and is close to one side fixedly connected with fixed column (703) of outer circumference, be connected with connecting rod (704) through the bearing rotation on fixed column (703), the one end that fixed column (703) were kept away from in connecting rod (704) articulates the inside at articulated seat (10), fixed column (703) are located the top of articulated seat (10).

2. The ship self-washing machine as claimed in claim 1, wherein a motor groove is pre-opened on the inner wall of the rear left side of the cabin (2), a holding groove (11) is opened on the upper end of the inner wall of the right side of the cabin (2), sliding grooves (8) are opened on the upper ends of the front inner wall and the back inner wall of the cabin (2), and the right ends of the sliding grooves (8) are located inside the holding groove (11).

3. The self-washing machinery of a ship cabin according to claim 1, wherein the transverse moving mechanism comprises a forward and reverse rotating motor (300) fixedly connected inside the motor groove, the output end of the forward and reverse rotating motor (300) is fixedly connected with a screw rod (301) through a rotating shaft, and one end of the screw rod (301) far away from the forward and reverse rotating motor (300) penetrates through the accommodating groove (11) and is rotatably connected with the inner wall of the accommodating groove (11) through a bearing.

4. The ship self-washing tank machine of claim 3, characterized in that a first guide rod (303) is arranged in the tank (2) and at a position corresponding to the screw rod (301), one end of the first guide rod (303) is fixedly connected with the left inner wall of the tank (2), and the other end of the first guide rod (303) is fixedly connected with the inner wall of the accommodating groove (11).

5. The marine self-washing tank machine according to claim 4, wherein a moving plate (302) is connected to the screw rod (301) in a threaded manner, a sliding plate is connected to the first guide rod (303) in a sliding manner, four identical second guide rods (4) are fixedly connected to the side, close to each other, of the moving plate (302) and the sliding plate, two ends of the four second guide rods (4) are fixedly connected to the four corners of the moving plate (302) and the four corners of the sliding plate respectively, sliding blocks (9) are fixedly connected to the middle portions of the sides, far away from each other, of the moving plate (302) and the sliding plate respectively, and one ends, far away from each other, of the two sliding blocks (9) are respectively connected to the inside of the corresponding sliding grooves (8) in a sliding manner.

6. The ship self-washing cabin machine of claim 1, characterized in that the longitudinal moving mechanism comprises a driving box (500) arranged between the four second guide rods (4), four corners of the driving box (500) are respectively provided with a mounting groove (501) matched with the four second guide rods (4), two driving wheels (502) fixedly connected with the output ends of driving motors inside the driving box (500) are symmetrically mounted on the inner walls of the four mounting grooves (501), the upper four driving wheels (502) roll below the two corresponding second guide rods (4), the lower four driving wheels (502) roll above the two corresponding second guide rods (4), and distance sensors (503) are mounted in the middle of the front surface and the middle of the back surface of the driving box (500).

7. The marine self-washing tank machine according to claim 1, wherein the forward and reverse rotation motor (300), the driving motor, the distance sensor (503), the first rotating hydraulic cylinder (601) and the second rotating hydraulic cylinder (701) are all electrically connected with the marine main control console, and the moving plate (302), the sliding plate, the four second guide bars (4), the longitudinal moving mechanism, the orientation adjusting mechanism and the angle adjusting mechanism are all adapted to the accommodating tank (11) and are located inside the accommodating tank (11).

Technical Field

The invention belongs to the technical field of ship machinery, and particularly relates to a ship self-washing cabin machinery.

Background

Bulk carriers are vessels used to carry unpackaged bulk cargo. Depending on the cargo to be carried, the ship can be divided into ore carrier, coal carrier, bulk grain carrier, bulk cement carrier, and wood carrier. Such ships are mostly single-deck ships, have no support columns in the tanks, but have partition plates for preventing the dislocation of cargo in the tanks which run in the presence of wind and waves, and are also called bulk carriers, dry bulk carriers are ships for carrying unpackaged bulk cargo. The device is specially used for transporting bulk materials such as coal, ore sand, grains, fertilizers, cement, steel and the like, and the quantity of the bulk materials is second to that of oil tankers.

With the improvement of the transportation efficiency of the ship, the ship loads and unloads different cargos frequently, and the cleaning of the hold is one of the steps of the maintenance of the ship, and the hold needs to be cleaned frequently. What traditional artifical cabin washing mode adopted is that artifical waist was the handheld spray gun of safety rope and washs, high altitude construction, factor of safety is low, inefficiency, intensity of labour is big, the cleaning performance often can not satisfy the requirement, some cleaning equipment that have now remove inconvenient, wash not comprehensive, thoroughly, especially when needing to unload fast in the cabin and load, current equipment can not be fast timely clear up, brought very big puzzlement for shipowner and captain, consequently, propose the marine machinery who has from the cabin washing ability.

Disclosure of Invention

The invention aims to: in order to solve the problems that the traditional manual cabin washing mode has high-altitude operation, the safety coefficient is low, the efficiency is low, the labor intensity is high, the cleaning effect often cannot meet the requirement, meanwhile, some existing cleaning equipment are inconvenient to move and cannot be cleaned comprehensively and thoroughly, and particularly when the cargo needs to be unloaded and loaded in the cabin, the existing equipment cannot be cleaned quickly and timely, the ship self-cabin washing machine is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

marine self-tanking machine comprising: the device comprises a ship body, a cabin, a transverse moving mechanism, a longitudinal moving mechanism, a transverse moving mechanism and a longitudinal moving mechanism, wherein the ship body and the cabin are used for containing and carrying, the transverse moving mechanism and the longitudinal moving mechanism are used for improving the cabin cleaning efficiency and are arranged in the cabin, the transverse moving mechanism and the longitudinal moving mechanism are provided with an azimuth adjusting mechanism and an angle adjusting mechanism through the longitudinal moving mechanism, and the longitudinal moving mechanism is provided with a distance sensor;

the direction adjusting mechanism is fixedly connected to the lower surface of the longitudinal adjusting mechanism through a first mounting plate, the direction adjusting mechanism comprises a first rotary hydraulic cylinder for adjusting the direction, the output end of the first rotary hydraulic cylinder is fixedly connected with a mounting frame, the inner wall of the lower end opening of the mounting frame is symmetrically and rotatably connected with rotating shafts, one sides of the two rotating shafts, which are close to each other, are fixedly connected with the outer side of the sprinkler bead through mounting blocks, the upper surface of the right end of the sprinkler bead is fixedly connected with a hinged seat, and one end of the sprinkler bead is fixedly provided with a water pipe,

angle adjustment mechanism passes through second mounting panel fixed connection on position adjustment mechanism's right side, second mounting panel fixed connection is in one side upper end of mounting bracket, angle adjustment mechanism is including the second rotary hydraulic cylinder that is used for angle of adjustment, the output fixedly connected with carousel of second rotary hydraulic cylinder, the carousel is kept away from the one end of second rotary hydraulic cylinder and is close to one side fixedly connected with fixed column of outer circumference, rotate through the bearing on the fixed column and be connected with the connecting rod, the one end that the fixed column was kept away from to the connecting rod articulates in the inside of articulated seat, the fixed column is located the top of articulated seat.

As a further description of the above technical solution:

the motor groove has been seted up in advance to the left side rear inner wall of cabin, the holding tank has been seted up to the right side inner wall upper end of cabin, the spout has all been seted up to the front inner wall upper end and the back inner wall upper end of cabin, and the right-hand member of spout is located the inside of holding tank, and the installation and the accomodating of each subassembly have been realized to motor groove and holding tank.

As a further description of the above technical solution:

the lateral shifting mechanism includes fixed connection at the motor inslot just reversal motor, just reversal motor's output is through pivot fixedly connected with lead screw, and the lead screw is kept away from just reversal motor's one end and is run through the holding tank and rotate through the inner wall of bearing with the holding tank and be connected, has realized that the lateral shifting mechanism removes.

As a further description of the above technical solution:

the inside of cabin and the position corresponding with the lead screw are provided with first guide bar, the one end of first guide bar and the left side inner wall of cabin are fixed connection mutually, the other end of first guide bar and the inner wall looks fixed connection of holding tank have realized the simultaneous movement of movable plate, second guide bar and sliding plate.

As a further description of the above technical solution:

the movable plate is connected to the screw rod in a threaded mode, the sliding plate is connected to the first guide rod in a sliding mode, four second guide rods which are the same are fixedly connected to one side, close to each other, of the movable plate and the sliding plate, two ends of each second guide rod are fixedly connected to the four corners of the movable plate and the four corners of the sliding plate respectively, sliding blocks are fixedly connected to the middle portion of one side, far away from each other, of the movable plate and the sliding plate respectively, one ends, far away from each other, of the sliding blocks are connected to the inner portions of the corresponding sliding grooves in a sliding mode respectively, and stable movement of the sprinkler head is achieved.

As a further description of the above technical solution:

the longitudinal movement mechanism comprises a driving box arranged between four second guide rods, mounting grooves matched with the four second guide rods are formed in four corners of the driving box, two driving wheels fixedly connected with the output ends of driving motors inside the driving box are symmetrically mounted on the inner walls of the mounting grooves, the four driving wheels roll below the two corresponding second guide rods respectively, the four driving wheels roll above the two corresponding second guide rods respectively, distance sensors are mounted in the middle of the front face and the middle of the back face of the driving box, and the longitudinal movement of the sprinkler head is achieved.

As a further description of the above technical solution:

the positive and negative rotation motor, the driving motor, the distance sensor, the first rotary hydraulic cylinder and the second rotary hydraulic cylinder are electrically connected with the ship main control console, and the cabin self-washing is realized.

As a further description of the above technical solution:

the movable plate, the sliding plate, the four second guide rods, the longitudinal moving mechanism, the direction adjusting mechanism and the angle adjusting mechanism are matched with the accommodating groove and located in the accommodating groove, and the movable plate, the sliding plate, the four second guide rods, the longitudinal moving mechanism, the direction adjusting mechanism and the angle adjusting mechanism can be accommodated when the movable plate is not used.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, through the designed transverse moving mechanism, the screw rod can be driven to rotate when the forward and reverse rotating motor rotates, the moving plate on the screw rod can be driven to rotate when the screw rod rotates, the moving plate can move left and right on the screw rod under the limit of the first guide rod, the sliding plate and the four second guide rods, and meanwhile, the moving plate drives the sliding plate to slide left and right on the first guide rod through the four second guide rods, so that the longitudinal moving mechanism, the direction adjusting mechanism, the angle adjusting mechanism and the water spraying head can be driven to move left and right, the cabin can be conveniently cleaned, and the labor is saved.

2. According to the invention, by designing the longitudinal moving mechanism, the driving wheel can be driven by the driving motor to move back and forth along the four second guide rods, so that the direction adjusting mechanism, the angle adjusting mechanism and the sprinkler head on the driving wheel can be driven to move back and forth, the cleaning range of the sprinkler head can be improved, the cabin can be accurately cleaned under the matching of the two distance sensors, the driving box is prevented from impacting the moving plate and the sliding plate, and the applicability is improved.

3. According to the invention, through designing the direction adjusting mechanism and the angle adjusting mechanism, the first rotary hydraulic cylinder drives the angle adjusting mechanism and the sprinkler head on the mounting frame to rotate, and the second hydraulic cylinder can drive the rotary table to rotate, so that the upper end of the connecting rod is driven to rotate in the rotating process of the fixed column, and the lower end of the connecting rod can drive the right end of the sprinkler head to move up and down, so that the cleaning range of the sprinkler head can be improved.

Drawings

FIG. 1 is a schematic perspective view of a self-cleaning ship cabin machinery according to the present invention;

FIG. 2 is a schematic perspective sectional view of a self-cleaning ship cabin machinery according to the present invention;

FIG. 3 is a schematic structural diagram of a transverse moving mechanism and a longitudinal moving mechanism of the self-washing machine for ships according to the present invention;

FIG. 4 is an enlarged schematic structural view of the position A in the three-dimensional structure of the self-washing machinery for the ship provided by the invention;

FIG. 5 is a schematic perspective view of a longitudinal moving mechanism of the self-washing machine for ships according to the present invention;

FIG. 6 is a schematic perspective view of a driving wheel of the self-cleaning machinery for ships according to the present invention;

FIG. 7 is a schematic view of an azimuth adjusting mechanism and a nozzle structure of the self-washing machine for ships according to the present invention;

fig. 8 is a schematic structural view of an angle adjustment mechanism of the self-washing machine for ships according to the present invention.

Illustration of the drawings:

1. a hull; 2. a cabin; 300. a positive and negative rotation motor; 301. a screw rod; 302. moving the plate; 303. a first guide bar; 4. a second guide bar; 500. a drive box; 501. mounting grooves; 502. a drive wheel; 503. a distance sensor; 600. a first mounting plate; 601. a first rotary hydraulic cylinder; 602. a mounting frame; 603. mounting blocks; 604. a sprinkler head; 605. a water pipe; 700. a second mounting plate; 701. a second rotary hydraulic cylinder; 702. a turntable; 703. fixing a column; 704. a connecting rod; 8. a chute; 9. a slider; 10. a hinged seat; 11. and (6) accommodating the tank.

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. 1-8, the present invention provides a technical solution: marine self-tanking machine comprising: the ship body 1 and the cabin 2 for containing and carrying, and the transverse moving mechanism and the longitudinal moving mechanism for improving the cleaning efficiency of the cabin 2 are arranged in the cabin 2, and are provided with an azimuth adjusting mechanism and an angle adjusting mechanism through the longitudinal moving mechanism;

the direction adjusting mechanism is fixedly connected to the lower surface of the longitudinal adjusting mechanism through a first mounting plate 600, the angle adjusting mechanism is fixedly connected to the right side of the direction adjusting mechanism through a second mounting plate 700, a water spraying head 604 is mounted inside the direction adjusting mechanism, and one end, far away from the direction adjusting mechanism, of the angle adjusting mechanism is hinged to the upper surface of the right end of the water spraying head 604, so that the unmanned self-washing cabin 2 is realized;

wherein, the inner wall of the rear of the left side of the cabin 2 is provided with a motor groove in advance, the upper end of the inner wall of the right side of the cabin 2 is provided with a holding groove 11, the upper ends of the front inner wall and the back inner wall of the cabin 2 are both provided with a sliding groove 8, the right end of the sliding groove 8 is positioned in the holding groove 11, the transverse moving mechanism comprises a positive and negative rotating motor 300 fixedly connected in the motor groove, the output end of the positive and negative rotating motor 300 is fixedly connected with a screw rod 301 through a rotating shaft, one end of the screw rod 301 far away from the positive and negative rotating motor 300 penetrates through the holding groove 11 and is rotatably connected with the inner wall of the holding groove 11 through a bearing, a first guide rod 303 is arranged in the cabin 2 and corresponds to the screw rod 301, one end of the first guide rod 303 is fixedly connected with the inner wall of the left side of the cabin 2, the other end of the first guide rod 303 is fixedly connected with the inner wall of the holding groove 11, a movable plate 302 is connected on the screw rod 301, sliding connection has the sliding plate on first guide bar 303, one side fixedly connected with that movable plate 302 and sliding plate are close to each other is the same four second guide bar 4, the both ends of four second guide bar 4 are fixed connection respectively in the four corners department of movable plate 302 and the four corners department of sliding plate, the equal fixedly connected with slider 9 in one side middle part that movable plate 302 and sliding plate kept away from each other, the inside at corresponding spout 8 is connected in the one end difference sliding connection that two sliders 9 kept away from each other, drive longitudinal movement mechanism through lateral shifting mechanism, position adjustment mechanism, angle adjustment mechanism and sprinkler bead 604 remove about.

Meanwhile, the longitudinal moving mechanism comprises a driving box 500 arranged between the four second guide rods 4, four corners of the driving box 500 are respectively provided with a mounting groove 501 matched with the four second guide rods 4, the inner walls of the four mounting grooves 501 are respectively and symmetrically provided with two driving wheels 502 fixedly connected with the output end of a driving motor in the driving box 500, the upper four driving wheels 502 respectively roll below the two corresponding second guide rods 4, the lower four driving wheels 502 respectively roll above the two corresponding second guide rods 4, the moving stability of the driving box 500 is improved, the middle parts of the front surface and the back surface of the driving box 500 are respectively provided with a distance sensor 503, the cleaning precision is improved, the longitudinal moving mechanism can drive the direction adjusting mechanism, the angle adjusting mechanism and the water spray head 604 to move back and forth, and large-range cleaning is facilitated;

the direction adjusting mechanism comprises a first rotary hydraulic cylinder 601 for adjusting the direction, an output end of the first rotary hydraulic cylinder 601 is fixedly connected with an installation frame 602, the inner wall of an opening at the lower end of the installation frame 602 is symmetrically and rotatably connected with rotating shafts, one sides of the two rotating shafts, which are close to each other, are fixedly connected with the outer side of a sprinkler head 604 through an installation block 603, so that the sprinkler head 604 can rotate in the installation frame 602, the upper surface of the right end of the sprinkler head 604 is fixedly connected with a hinged seat 10, one end of the sprinkler head 604 is fixedly provided with a water pipe 605, and the direction adjusting mechanism is convenient for adjusting the cleaning direction of the sprinkler head 604;

meanwhile, the second mounting plate 700 is fixedly connected to the upper end of one side of the mounting frame 602, the angle adjusting mechanism comprises a second rotary hydraulic cylinder 701 for adjusting the angle, the output end of the second rotary hydraulic cylinder 701 is fixedly connected with a rotary table 702, one end of the rotary table 702, far away from the second rotary hydraulic cylinder 701, close to the outer circumference is fixedly connected with a fixed column 703, the fixed column 703 is rotatably connected with a connecting rod 704 through a bearing, one end of the connecting rod 704, far away from the fixed column 703, is hinged inside the hinged seat 10, the fixed column 703 is positioned above the hinged seat 10, and the angle adjusting mechanism is convenient for adjusting the cleaning angle of the water spray head 604;

wherein, positive and negative motor 300, driving motor, distance sensor 503, first rotary hydraulic cylinder 601 and second rotary hydraulic cylinder 701 all are connected with boats and ships master control platform electricity, realize cabin 2 through master control platform control and wash by oneself, movable plate 302, sliding plate, four second guide bars 4, longitudinal movement mechanism, position adjustment mechanism and angle adjustment mechanism all with holding tank 11 looks adaptation and be located the inside of holding tank 11, accomodate when not using convenient for.

The working principle is as follows: when the water pump is used, the forward and reverse rotation motor 300, the driving motor, the first rotary hydraulic cylinder 601, the second rotary hydraulic cylinder 701 and the external water pump can be controlled by the ship main control console, so that the forward and reverse rotation motor 300 works, the forward and reverse rotation motor 300 rotates forward and drives the screw rod 301 to rotate clockwise through the rotating shaft, the screw rod 301 is in transmission matching with the moving plate 302 in threaded connection when rotating, the moving plate 302 moves leftwards on the screw rod 301, the moving plate 302 can drive the sliding plate to move leftwards on the first guide rod 303 through the four second guide rods 4 when moving, so that the longitudinal moving mechanism, the direction adjusting mechanism, the angle adjusting mechanism, the water spray head 604 and the water pipe 605 are far away from the accommodating groove 11 and move oppositely, when moving to a proper distance, the forward and reverse rotation motor 300 stops, the main control console controls the external water pump to work to pump water into the water pipe 605, one side inner wall of the cabin 2 is cleaned through the water spray head 604, according to the requirement, the driving motor is controlled by the main console to work, the driving motor drives the driving wheel 502 to roll on the four second guide rods 4, the driving wheel 502 drives the driving box 500 to move forward for a certain distance and then stop, the sprinkler head 604 cleans another area, meanwhile, the console can control the first rotary hydraulic cylinder 601 to rotate for a certain angle, the first rotary hydraulic cylinder 601 drives the mounting frame 602 to rotate, the mounting frame 602 drives the sprinkler head 604 and the angle adjusting mechanism to rotate, the sprinkler head 604 can change the direction to clean the inner wall of the cabin 2, meanwhile, the console controls the second rotary hydraulic cylinder 701 to rotate, the second rotary hydraulic cylinder 701 drives the turntable 702 and the fixed column 703 to rotate, the turntable 702 drives the upper end of the connecting rod 704 to do circular motion, so that the lower end of the connecting rod 704 drives the sprinkler head 604 to do up-and-down motion, the angle of the sprinkler head 604 is changed, so that the cabin 2 can be cleaned in time, and the cleaning range and the cleaning efficiency are improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

14页详细技术资料下载
上一篇:一种医用注射器针头装配设备
下一篇:垃圾投放门的控制电路及垃圾投放门

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!