Variable-frequency hydraulic cargo hoist for ship

Abstract

The utility model discloses a variable-frequency hydraulic cargo hoist for ships, which belongs to the technical field of ship cargo hoisting and comprises a fixed cylinder, and the bottom end of the inside of the fixed cylinder is rotatably connected with a rotating rod through a bearing; the steel wire rope lubricating device has the beneficial effects that by arranging the electric push rod and the pump body, when needing to lubricate a steel wire rope, people control the electric push rod to operate through an external controller, the steel wire rope can be in lap joint through two scraping hoppers, two contact wheels and two smearing sleeves, impurities on the surface of the steel wire rope can be scraped away through the scraping hoppers, and the steel wire rope lubricating device is convenient to use. Meanwhile, when the steel wire rope is conveyed, a contact wheel can be driven to rotate, cleaning rollers can be driven to rotate through two gears, the surface of the steel wire rope can be cleaned for the second time through the two cleaning rollers, lubricating oil in a liquid storage box can be pumped out through operation of a pump body, and the lubricating oil is pumped into a smearing sleeve through a connecting pipe; and the surface of the steel wire rope can be coated with oil for lubrication through the coating block.

Description

Technical Field

[0001] The utility model relates to the technical field of ship cargo lifting, and more specifically, to a variable frequency hydraulic cargo lifting machine for ships. Background Art

[0002] A winch is the most common mechanical equipment in our daily life. It is mainly used for taking some heavier objects. On ships, when fishing nets are pulled up, a winch is needed to operate it. This can save a lot of effort and reduce labor intensity.

[0003] However, during the use of some existing hoists, it is necessary to regularly lubricate the wire rope through a lubrication device. However, the existing oiling method is generally manual brushing, which is time-consuming and labor-intensive, and the oiling is not evenly applied, and the labor intensity of the workers is high. Therefore, in view of the above problems, a variable frequency hydraulic hoist for ships is specially proposed. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a variable frequency hydraulic cargo crane for ships, which has an automatic brushing function, making it easier for people to lubricate the wire rope.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides a variable frequency hydraulic hoist for ships, including a fixed cylinder, the bottom end of the fixed cylinder is rotatably connected to a rotating rod through a bearing, the top of the rotating rod is fixedly connected to a movable joint, the side of the movable joint is movably connected to a lifting rod, the surface of the rotating rod is movably connected to a hydraulic rod through a pin shaft, the top of the hydraulic rod is movably connected to the bottom of the lifting rod through a pin shaft, the surface of the rotating rod is fixedly connected to a wire take-up machine, the output end of the wire take-up machine is fixedly connected to a wire rope, the top of the lifting rod is fixedly connected to a fixed frame, the lifting rod is fixedly connected to a liquid storage box on both opposite sides, the fixed frame is provided with through holes on both opposite sides, the wire rope is passed through the through holes, the top of the fixed frame is provided with two sliding grooves, and the top of the fixed frame is fixedly connected There are two electric push rods, one end of which is fixedly connected to an L-shaped plate, the side of the L-shaped plate is fixedly connected to a sliding plate, the bottom of the sliding plate slides through the sliding groove and is fixedly connected to a sliding frame, the sliding frame is fixedly connected to a scraper and a smear sleeve on opposite sides, the inner side of the sliding frame is rotatably connected to two rotating shafts through bearings, the surfaces of the two rotating shafts are respectively fixedly connected to contact wheels and cleaning rollers, the surfaces of the rotating shafts are fixedly connected to gears, the two gears are meshed with each other, the inside of the smear sleeve is fixedly connected to a smear block, the top of the liquid storage box is fixedly connected to a pump body, the input end of the pump body is arranged at the bottom end of the liquid storage box, the output end of the pump body is fixedly connected to a connecting pipe, one end of the connecting pipe passes through the fixed frame and is fixedly connected to the surface of the smear sleeve.

[0008] When a frequency conversion hydraulic hoist for ships using the technical solution is used, an electric push rod and a pump body are set. When people need to lubricate the wire rope, they control the operation of the electric push rod through an external controller, so that two scrapers, two contact wheels and two coating sleeves can overlap the wire rope. The scrapers can be used to scrape off impurities on the surface of the wire rope. At the same time, when the wire rope is transported, the contact wheel can be driven to rotate, and the cleaning roller can be driven to rotate through two gears. The surface of the wire rope can be cleaned twice through the two cleaning rollers. When the pump body is running, the lubricating oil inside the liquid storage box can be extracted and pumped into the coating sleeve through the connecting pipe. The surface of the wire rope can be oiled and lubricated through the coating block.

[0009] Furthermore, an annular groove is opened on the inner side of the fixed cylinder, an annular worm gear is fixedly connected to the surface of the rotating rod, the annular worm gear is slidably connected in the annular groove, and an adjusting box is fixedly connected to the surface of the fixed cylinder.

[0010] Furthermore, an adjusting motor is fixedly connected to the side of the adjusting box, the output end of the adjusting motor rotates through the adjusting box and is fixedly connected to a rotating shaft, one end of the rotating shaft is rotatably connected to a bearing fixedly connected to the inner side of the adjusting box, and a worm is fixedly connected to the surface of the rotating shaft.

[0011] Furthermore, the worm and the annular worm wheel are meshed with each other.

[0012] Furthermore, the top of the lifting rod is fixedly connected with a first guide wheel and a second guide wheel respectively.

[0013] Furthermore, one end of the lifting rod is fixedly connected to the third guide wheel, the wire rope transmission is connected to the surfaces of the first guide wheel, the second guide wheel and the third guide wheel, and one end of the wire rope is fixedly connected to the hook.

[0014] Furthermore, a configuration block is fixedly connected to the bottom end of the fixed cylinder, and a mounting plate is fixedly connected to the bottom of the configuration block.

[0015] (3) Beneficial effects

[0016] In summary, the utility model has the following beneficial effects:

[0017] 1. This variable frequency hydraulic cargo hoist for ships is provided with an electric push rod and a pump body. When people need to lubricate the wire rope, they control the operation of the electric push rod through an external controller, so that two scrapers, two contact wheels and two coating sleeves can overlap the wire rope. The scrapers can scrape off impurities on the surface of the wire rope. At the same time, when the wire rope is transported, the contact wheel can be driven to rotate, and the cleaning roller can be driven to rotate through two gears. The surface of the wire rope can be cleaned twice through the two cleaning rollers. When the pump body is running, the lubricating oil inside the liquid storage box can be pumped out and pumped into the coating sleeve through the connecting pipe. The surface of the wire rope can be oiled and lubricated through the coating block;

[0018] 2. This variable frequency hydraulic cargo winch for ships is equipped with an adjusting motor. When people need to adjust the angle of the lifting rod, the adjusting motor is controlled by an external controller to rotate the rotating shaft and the worm. The annular worm gear can drive the rotating rod to rotate, thereby facilitating people to adjust the angle of the lifting rod. In combination with the retractability of the lifting rod and the hydraulic rod, the height of the device can be adjusted to facilitate lifting of ships of different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a structural schematic diagram of the utility model in a front view;

[0021] Figure 2 It is a schematic diagram of the structure of the utility model from the side;

[0022] Figure 3 It is a structural schematic diagram of the fixing frame in the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the scraper in the utility model;

[0024] Figure 5 It is a structural schematic diagram of the rotating shaft in the utility model;

[0025] Figure 6 It is a structural schematic diagram of the cross section of the fixed cylinder in the utility model.

[0026] The symbols in the accompanying drawings are:

[0027] 1. Fixed cylinder; 101. Configuration block; 102. Rotating rod; 103. Active joint; 104. Lifting rod; 105. Hydraulic rod; 106. Wire take-up machine; 107. First guide wheel; 108. Second guide wheel; 109. Third guide wheel; 1010. Wire rope; 1011. Hook; 1012. Adjustment box; 1013. Annular groove; 1014. Annular worm gear; 1015. Adjustment motor; 1016. Rotating shaft; 1017. Worm; 1018. Mounting plate;

[0028] 2. Fixed frame; 201. Through hole; 202. Sliding groove; 203. Electric push rod; 204. L-shaped plate; 205. Sliding plate; 206. Sliding frame; 207. Scraper; 208. Rotating shaft; 209. Contact wheel; 2010. Cleaning roller; 2011. Gear; 2012. Applicator sleeve; 2013. Applicator block; 3. Liquid storage box; 301. Pump body; 302. Connecting pipe. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, not all styles.

[0030] Example:

[0031] The following is combined with Figure 1-6 The utility model is described in further detail.

[0032] See also Figure 1-6The utility model provides a technical solution: a variable frequency hydraulic hoist for ships, comprising a fixed cylinder 1, the bottom end of the fixed cylinder 1 is rotatably connected to a rotating rod 102 through a bearing, the top of the rotating rod 102 is fixedly connected to a movable joint 103, the side of the movable joint 103 is movably connected to a lifting rod 104, the surface of the rotating rod 102 is movably connected to a hydraulic rod 105 through a pin shaft, the top of the hydraulic rod 105 is movably connected to the bottom of the lifting rod 104 through a pin shaft, the surface of the rotating rod 102 is fixedly connected to a wire take-up machine 106, the output end of the wire take-up machine 106 is fixedly connected to a wire rope 1010, the top of the lifting rod 104 is fixedly connected to a fixed frame 2, the lifting rod 104 is fixedly connected to a liquid storage box 3 on both opposite sides, the fixed frame 2 is provided with through holes 201 on both opposite sides, the wire rope 1010 is inserted into the through holes 201, the top of the fixed frame 2 is provided with two sliding grooves 202, the top of the fixed frame 2 is fixedly connected to two electric push rods 203, the electric One end of the push rod 203 is fixedly connected to an L-shaped plate 204, and a sliding plate 205 is fixedly connected to the side of the L-shaped plate 204. The bottom of the sliding plate 205 slides through the sliding groove 202 and is fixedly connected to a sliding frame 206. The sliding frame 206 has scrapers 207 and a smear sleeve 2012 fixedly connected on opposite sides thereof. The inner side of the sliding frame 206 is rotatably connected to two rotating shafts 208 through bearings. The surfaces of the two rotating shafts 208 are fixedly connected to contact wheels 209 and cleaning rollers 2010, respectively. Gears 2011 are fixedly connected to the surfaces of the rotating shafts 208. The two gears 2011 are meshed with each other. A smear block 2013 is fixedly connected to the inside of the smear sleeve 2012. A pump body 301 is fixedly connected to the top of the liquid storage box 3. The input end of the pump body 301 is arranged at the bottom end of the liquid storage box 3. A connecting pipe 302 is fixedly connected to the output end of the pump body 301. One end of the connecting pipe 302 passes through the fixed frame 2 and is fixedly connected to the surface of the smear sleeve 2012.

[0033] By adopting the above technical solution, by setting the electric push rod 203 and the pump body 301, when people need to lubricate the wire rope 1010, people control the operation of the electric push rod 203 through the external controller, so that the two scrapers 207, the two contact wheels 209 and the two coating sleeves 2012 can overlap the wire rope 1010, and the impurities on the surface of the wire rope 1010 can be scraped off by the scraper 207. At the same time, when the wire rope 1010 is transported, it will drive the contact wheel 209 to rotate, and the two gears 2011 can drive the cleaning roller 2010 to rotate. The surface of the wire rope 1010 can be cleaned twice by the two cleaning rollers 2010. When the pump body 301 is running, the lubricating oil inside the liquid storage box 3 can be extracted and pumped into the coating sleeve 2012 through the connecting pipe 302, and the surface of the wire rope 1010 can be oiled and lubricated by the coating block 2013.

[0034] See also Figure 6An annular groove 1013 is provided on the inner side of the fixed cylinder 1, and an annular worm gear 1014 is fixedly connected to the surface of the rotating rod 102. The annular worm gear 1014 is slidably connected in the annular groove 1013. An adjusting box 1012 is fixedly connected to the surface of the fixed cylinder 1, and an adjusting motor 1015 is fixedly connected to the side of the adjusting box 1012. The output end of the adjusting motor 1015 rotates through the adjusting box 1012 and is fixedly connected to a rotating shaft 1016. One end of the rotating shaft 1016 is rotatably connected to a bearing fixedly connected to the inner side of the adjusting box 1012. A worm 1017 is fixedly connected to the surface of the rotating shaft 1016, and the worm 1017 and the annular worm gear 1014 are meshed with each other.

[0035] By adopting the above technical solution and setting up an adjusting motor 1015, when people need to adjust the angle of the lifting rod 104, the adjusting motor 1015 is controlled by an external controller to rotate the rotating shaft 1016 and the worm 1017. The annular worm gear 1014 can drive the rotating rod 102 to rotate, thereby making it easier for people to adjust the angle of the lifting rod 104.

[0036] See also Figure 1 The top of the lifting rod 104 is fixedly connected to the first guide wheel 107 and the second guide wheel 108 respectively, one end of the lifting rod 104 is fixedly connected to the third guide wheel 109, the wire rope 1010 is transmission-connected to the surfaces of the first guide wheel 107, the second guide wheel 108 and the third guide wheel 109, and one end of the wire rope 1010 is fixedly connected to the hook 1011.

[0037] By adopting the above technical solution and providing the first guide wheel 107 , the second guide wheel 108 and the third guide wheel 109 , the steel wire rope 1010 can be transported more stably.

[0038] See also Figure 1 The bottom end of the fixed cylinder 1 is fixedly connected with a configuration block 101 , and the bottom of the configuration block 101 is fixedly connected with a mounting plate 1018 .

[0039] The working principle of the utility model is:

[0040] When in use, people fix the device in a suitable position through the mounting plate 1018. After the fixing is completed, when the goods need to be lifted, people control the operation of the wire take-up machine 106 through the external controller, and the goods can be lifted through the wire rope 1010 and the hook 1011;

[0041] When people need to lubricate the steel wire rope 1010, they control the electric push rod 203 to operate through the external controller, push the sliding plate 205 to slide in the sliding groove 202, make the two sliding frames 206 approach each other, and make the two scrapers 207, the two contact wheels 209 and the two coating sleeves 2012 overlap the steel wire rope 1010. Through the scraper 207, when the steel wire rope 1010 is transported, the impurities on the surface of the steel wire rope 1010 can be scraped off. At the same time, when the steel wire rope 1010 is transported, it will drive the contact wheel 209 to rotate, and through the two gears 2011, it can drive the cleaning roller 2020 to rotate. Through the two cleaning rollers 2020, the surface of the steel wire rope 1010 can be cleaned for a second time. After cleaning, the pump body 301 is operated to extract the lubricating oil inside the liquid storage box 3, and through the connecting pipe 302, it is drawn into the coating sleeve 2012, and the surface of the steel wire rope 1010 can be oiled and lubricated through the coating block 2013;

[0042] By setting up the adjusting motor 1015, when people need to adjust the angle of the lifting rod 104, the adjusting motor 1015 is controlled by an external controller to rotate the rotating shaft 1016 and the worm 1017. The annular worm gear 1014 can drive the rotating rod 102 to rotate, thereby making it convenient for people to adjust the angle of the lifting rod 104. In combination with the retractability of the lifting rod 104 and the hydraulic rod 105, the height of the device can be adjusted to facilitate matching with ships of different heights for lifting cargo.

[0043] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A variable frequency hydraulic cargo crane for a ship, comprising a fixed cylinder (1), characterized in that: The bottom end of the fixed cylinder (1) is rotatably connected to a rotating rod (102) via a bearing, the top of the rotating rod (102) is fixedly connected to a movable joint (103), the side of the movable joint (103) is movably connected to a lifting rod (104), the surface of the rotating rod (102) is movably connected to a hydraulic rod (105) via a pin, the top of the hydraulic rod (105) is movably connected to the bottom of the lifting rod (104) via a pin, the surface of the rotating rod (102) is fixedly connected to a wire take-up machine (106), the output end of the wire take-up machine (106) A steel wire rope (1010) is fixedly connected, a fixed frame (2) is fixedly connected to the top of the lifting rod (104), liquid storage boxes (3) are fixedly connected to opposite sides of the lifting rod (104), through holes (201) are opened on opposite sides of the fixed frame (2), the steel wire rope (1010) is passed through the through holes (201), two sliding grooves (202) are opened on the top of the fixed frame (2), two electric push rods (203) are fixedly connected to the top of the fixed frame (2), and one end of the electric push rod (203) is fixedly connected to an L-shaped plate ( 204), a sliding plate (205) is fixedly connected to the side of the L-shaped plate (204), the bottom of the sliding plate (205) slides through the sliding groove (202) and is fixedly connected to a sliding frame (206), the sliding frame (206) is fixedly connected to the scraper (207) and the smear sleeve (2012) on opposite sides, the inner side of the sliding frame (206) is rotatably connected to two rotating shafts (208) through bearings, and the surfaces of the two rotating shafts (208) are fixedly connected to contact wheels (209) and cleaning rollers (2010), respectively. The surfaces of the rotating shafts (208) are fixedly connected with gears (2011), the two gears (2011) are meshed with each other, the interior of the smear sleeve (2012) is fixedly connected with a smear block (2013), the top of the liquid storage box (3) is fixedly connected with a pump body (301), the input end of the pump body (301) is arranged at the bottom end inside the liquid storage box (3), the output end of the pump body (301) is fixedly connected with a connecting pipe (302), one end of the connecting pipe (302) passes through the fixed frame (2) and is fixedly connected to the surface of the smear sleeve (2012).

2. A variable frequency hydraulic cargo crane for ships according to claim 1, characterized in that: An annular groove (1013) is provided on the inner side of the fixed cylinder (1); an annular worm gear (1014) is fixedly connected to the surface of the rotating rod (102); the annular worm gear (1014) is slidably connected in the annular groove (1013); and an adjustment box (1012) is fixedly connected to the surface of the fixed cylinder (1).

3. A frequency conversion hydraulic cargo crane for ships according to claim 2, characterized in that: An adjusting motor (1015) is fixedly connected to the side of the adjusting box (1012); an output end of the adjusting motor (1015) rotates through the adjusting box (1012) and is fixedly connected to a rotating shaft (1016); one end of the rotating shaft (1016) is rotatably connected to a bearing fixedly connected to the inner side of the adjusting box (1012); and a worm (1017) is fixedly connected to the surface of the rotating shaft (1016).

4. A variable frequency hydraulic cargo crane for ships according to claim 3, characterized in that: The worm (1017) and the annular worm wheel (1014) are meshed with each other.

5. A variable frequency hydraulic cargo crane for ships according to claim 1, characterized in that: The top of the lifting rod (104) is respectively fixedly connected with a first guide wheel (107) and a second guide wheel (108).

6. A variable frequency hydraulic cargo crane for ships according to claim 5, characterized in that: One end of the lifting rod (104) is fixedly connected to the third guide wheel (109), the steel wire rope (1010) is transmission-connected to the surfaces of the first guide wheel (107), the second guide wheel (108) and the third guide wheel (109), and one end of the steel wire rope (1010) is fixedly connected to the hook (1011).

7. A variable frequency hydraulic cargo winch for ships according to claim 1, characterized in that: The bottom end of the fixed cylinder (1) is fixedly connected to a configuration block (101), and the bottom of the configuration block (101) is fixedly connected to a mounting plate (1018).

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