A yacht crane counterweight device with convenient counterweight adjustment

Abstract

The utility model relates to a yacht hoist counterweight equipment convenient to adjust counterweight, including stand and suspender, the top of stand is provided with slewing device, the top of slewing device is installed with U -shaped seat, the inside of U -shaped seat is rotatably installed through the pivot of suspender, both sides of U -shaped seat upper surface all are provided with weighing sensor, and weighing sensor is in contact with the lower surface of suspender, one side of suspender length direction is provided with hoisting device, and the other side of suspender length direction is installed with counterweight box through translation mechanism. Through the setting of two weighing sensors, the stress condition of both ends of the suspender can be monitored in real time, thereby the reference can be provided when adjusting the position of the counterweight box, and the stress of both ends of the suspender is ensured to be close. Through the setting of the counterweight box, water pump and water suction pipe and other structures, when the weight of the counterweight box needs to be adjusted, only the water is pumped into the counterweight box through the water pump, or the water in the counterweight box is discharged from the drain pipe, so that the operation is simple and convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of yacht crane technology, specifically to a yacht crane counterweight device that facilitates easy adjustment of the counterweight. Background Technology

[0002] A yacht crane is a specialized device for lifting, moving, and placing yachts. Primarily installed in docks, yacht clubs, and shipyards, it boasts powerful lifting capabilities. Its structure typically includes a lifting mechanism, counterweight, and slewing mechanism. It can lift yachts from the water and place them in a shore storage area, or transport yachts from shore into the water, facilitating yacht maintenance, storage, and launching, thus improving the convenience and efficiency of yacht use.

[0003] During the use of a yacht crane, the position of the counterweight needs to be adjusted according to the changes in the lifting position in order to balance the force on the boom. However, the adjustment of the counterweight position often relies on the experience of the workers, which may lead to a large difference in the force on both sides of the boom, posing a risk of structural damage and reducing its service life.

[0004] Furthermore, existing yacht cranes adjust the counterweight by adding or removing the number of counterweight blocks, but the counterweight blocks are large and heavy, making the handling and installation process extremely cumbersome. This not only increases the labor intensity of operators but also easily leads to safety accidents during operation. Utility Model Content

[0005] The purpose of this invention is to provide a yacht crane counterweight device that allows for convenient adjustment of the counterweight, effectively solving the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution.

[0007] A yacht crane counterweight device with convenient counterweight adjustment includes a column and a boom. A slewing device is installed at the top of the column, and a U-shaped base is mounted on the top of the slewing device. The boom is rotatably mounted inside the U-shaped base via a pivot. Weighing sensors are installed on both sides of the upper surface of the U-shaped base, and the weighing sensors are in contact with the lower surface of the boom. A lifting device is installed on one side of the boom along its length, and a counterweight box is installed on the other side of the boom along its length via a translation mechanism.

[0008] Therefore, by setting up two weighing sensors, the force on both ends of the boom can be monitored in real time, which can provide a reference when adjusting the position of the counterweight box, ensuring that the force on both ends of the boom is similar, avoiding the risk of structural damage and reduced service life caused by a large difference in force on both ends.

[0009] Furthermore, the translation mechanism includes a mounting groove formed on the lower surface of the boom, a threaded rod rotatably mounted inside the mounting groove, a drive plate mounted on the outer surface of the threaded rod, and a counterweight box positioned below the drive plate. A drive motor is mounted on the outer surface of the boom, and the end of the drive motor's output shaft is connected to the threaded rod.

[0010] Furthermore, a connecting plate is installed on the lower surface of the drive plate, and a counterweight box is installed on the lower surface of the connecting plate. Both sides of the connecting plate are equipped with traveling wheel sets that are compatible with the boom.

[0011] Furthermore, a water pump is installed at the bottom of the counterweight box, with the pump's outlet extending into the box and its inlet connected to a suction pipe. A drain pipe is installed on the outer surface of the counterweight box, and a solenoid valve is installed inside the drain pipe.

[0012] Furthermore, the counterweight box has multiple partitions installed inside, and the surface of the partitions has through holes.

[0013] Furthermore, multiple partitions are evenly distributed along the length of the boom.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows.

[0015] 1. This utility model, through the setting of two weighing sensors, can monitor the force at both ends of the boom in real time, thereby providing a reference when adjusting the position of the counterweight box, ensuring that the force at both ends of the boom is similar, avoiding the risk of structural damage and reduced service life due to a large difference in force at both ends.

[0016] 2. With the structure of counterweight box, water pump and water pipe, when the weight of the counterweight box needs to be adjusted, water can be pumped into the counterweight box or the water in the counterweight box can be discharged from the drain pipe. It is simple to operate and convenient to use, makes full use of the environmental resources on site, avoids the cumbersome handling and installation of traditional counterweight blocks, and is safer, more flexible and accurate. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a partial structural schematic diagram of the present invention;

[0019] Figure 3 This is a partial side view of the structure of this utility model;

[0020] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A in the middle;

[0021] Figure 5 This is a partial cross-sectional structural diagram of the counterweight box in this utility model.

[0022] In the diagram: 1. Column; 101. Rotary device; 102. U-shaped seat; 103. Rotating shaft; 104. Boom; 105. Weighing sensor; 106. Lifting device; 107. Counterweight box; 2. Translation mechanism; 201. Mounting slot; 202. Threaded rod; 203. Drive plate; 204. Drive motor; 3. Connecting plate; 301. Walking wheel set; 4. Water pump; 401. Pumping pipe; 402. Draining pipe; 403. Solenoid valve; 5. Partition plate; 501. Through hole. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5 This utility model provides a conveniently adjustable counterweight device for a yacht crane, comprising a column 1 and a boom 104. A slewing device 101 is mounted on the top of the column 1, and a U-shaped seat 102 is mounted on the top of the slewing device 101. The boom 104 is rotatably mounted inside the U-shaped seat 102 via a rotating shaft 103. Weighing sensors 105 are mounted on both sides of the upper surface of the U-shaped seat 102, and the weighing sensors 105 are in contact with the lower surface of the boom 104. A lifting device 106 is provided on one side of the boom 104 along its length, and a counterweight box 107 is mounted on the other side of the boom 104 along its length via a translation mechanism 2.

[0025] In use, the lifting device 106 is used to hoist the yacht, and the slewing device 101 can be used to rotate the boom 104, enabling the yacht to be lifted from the shore into the water or from the water onto the shore. During the hoisting process, the translation mechanism 2 can move the counterweight box 107 along the length of the boom 104 to change the counterweight. Two weighing sensors 105 monitor the force on both ends of the boom 104 in real time, providing a reference for adjusting the position of the counterweight box 107. This ensures that the force on both ends of the boom 104 is similar, avoiding a large difference in force that could lead to structural damage and reduce its service life.

[0026] Preferably, the translation mechanism 2 includes a mounting groove 201 formed on the lower surface of the boom 104, a threaded rod 202 rotatably mounted inside the mounting groove 201, a drive plate 203 mounted on the outer surface of the threaded rod 202, and a counterweight box 107 disposed below the drive plate 203. A drive motor 204 is mounted on the outer surface of the boom 104, and the end of the output shaft of the drive motor 204 is connected to the threaded rod 202.

[0027] When the position of the counterweight box 107 needs to be adjusted, the drive motor 204 can be started to drive the threaded rod 202 to rotate. Since the drive plate 203 is limited by the inner wall of the mounting groove 201, it can drive the counterweight box 107 to move along the length of the threaded rod 202 to achieve the purpose of position adjustment.

[0028] Preferably, a connecting plate 3 is installed on the lower surface of the drive plate 203, and a counterweight box 107 is installed on the lower surface of the connecting plate 3. Both sides of the connecting plate 3 are provided with a set of traveling wheels 301 that are compatible with the boom 104.

[0029] The walking wheel set 301 provides a limiting guide for the counterweight box 107, reduces friction, and makes it move more smoothly. The connecting plate 3 provides force support, so that the threaded rod 202 will not bend or deform under the gravity of the counterweight box 107.

[0030] Preferably, a water pump 4 is installed at the bottom of the counterweight box 107, the outlet of the water pump 4 extends into the interior of the counterweight box 107, and the inlet of the water pump 4 is connected to a water suction pipe 401. A drain pipe 402 is installed on the outer surface of the counterweight box 107, and a solenoid valve 403 is installed inside the drain pipe 402.

[0031] With the structure of counterweight box 107, water pump 4 and water pipe 401, when the weight of counterweight box 107 needs to be adjusted, water can be pumped into counterweight box 107 through water pump 4 or water in counterweight box 107 can be discharged from drain pipe 402. The operation is simple and convenient, making full use of on-site environmental resources, avoiding the cumbersome handling and installation required by traditional counterweight blocks, and is safer, more flexible and accurate.

[0032] Preferably, the counterweight box 107 has multiple partitions 5 installed inside, and the surface of the partitions 5 has through holes 501.

[0033] Due to the fluidity of water, when the position of the counterweight box 107 is adjusted and stopped, the water will sway inside the counterweight box 107 due to inertia, thus affecting the stability of the counterweight box 107. Therefore, by setting the partition 5 and the through hole 501, the interior of the counterweight box 107 can be divided into multiple areas. When the water sways, it can play a role in blocking and buffering, reducing the swaying amplitude and impact force, and improving stability.

[0034] Preferably, the multiple partitions 5 are distributed at equal intervals along the length of the boom 104.

[0035] Since the counterweight box 107 moves along the length of the boom 104, when the position of the counterweight box 107 is adjusted and stopped, the direction of water sloshing is the same as the distribution direction of the through hole 501, which can play a better role in blocking and buffering.

[0036] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A yacht crane counterweight device with convenient counterweight adjustment, comprising a column (1) and a boom (104), characterized in that: The top of the column (1) is provided with a rotating device (101), and the top of the rotating device (101) is provided with a U-shaped seat (102). The boom (104) is rotatably installed inside the U-shaped seat (102) via a rotating shaft (103). Weighing sensors (105) are provided on both sides of the upper surface of the U-shaped seat (102), and the weighing sensors (105) are in contact with the lower surface of the boom (104). A lifting device (106) is provided on one side of the boom (104) along its length, and a counterweight box (107) is installed on the other side of the boom (104) along its length via a translation mechanism (2).

2. The yacht crane counterweight device with convenient counterweight adjustment according to claim 1, characterized in that: The translation mechanism (2) includes a mounting groove (201) formed on the lower surface of the boom (104), a threaded rod (202) is rotatably mounted inside the mounting groove (201), a drive plate (203) is mounted on the outer surface of the threaded rod (202), and the counterweight box (107) is located below the drive plate (203). A drive motor (204) is mounted on the outer surface of the boom (104), and the end of the output shaft of the drive motor (204) is connected to the threaded rod (202).

3. A yacht crane counterweight device for convenient adjustment of counterweights according to claim 2, characterized in that: A connecting plate (3) is installed on the lower surface of the drive plate (203), and the counterweight box (107) is installed on the lower surface of the connecting plate (3). Both sides of the connecting plate (3) are provided with a set of traveling wheels (301) that are compatible with the boom (104).

4. The yacht crane counterweight device with convenient counterweight adjustment according to claim 1, characterized in that: A water pump (4) is installed at the bottom of the counterweight box (107). The outlet of the water pump (4) extends into the interior of the counterweight box (107), and the inlet of the water pump (4) is connected to a water pumping pipe (401). The outer surface of the counterweight box (107) is equipped with a drain pipe (402), and a solenoid valve (403) is installed inside the drain pipe (402).

5. A yacht crane counterweight device for convenient adjustment of counterweights according to claim 1, characterized in that: The counterweight box (107) has multiple partitions (5) installed inside, and the surface of the partitions (5) has through holes (501).

6. A yacht crane counterweight device for convenient adjustment of counterweights according to claim 5, characterized in that: The multiple partitions (5) are distributed at equal intervals along the length of the boom (104).

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