Multifunctional special lifting appliance suitable for reach stacker

By designing a multi-function special spreader including rotating assembly and brake assembly, the problems of shaking and cargo rotation when the front is suspended while lifting heavy cargo are solved, preventing damage to the rotating mechanism and improving service life and safety.

CN222877428UActive Publication Date: 2025-05-16SHANDONG PORT BOHAI BAY PORT GRP CO LTD +1
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Patent Information

Application Number
CN202421579447.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-05-16
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

The existing multi-function special sling for front hoisting heavy goods will shake when lifting heavy goods, and the cargo will easily rotate, which may damage the rotating mechanism and reduce the service life.

Method used

A multifunctional special spreader including a body frame, a rotating assembly and a brake assembly is designed. The rotating assembly drives the driving gear and the driven gear through the motor, driving the rotating rod and the third hoisting lug to rotate. The brake assembly drives the connecting rod through an electric telescopic rod, drives the mounting block and pushing plate, and uses springs and fixing holes to limit the brake block to prevent the driven gear from rotating at an excessive speed.

Benefits of technology

It effectively prevents the lifting of goods from forcibly pushing the rotating mechanism when rotating, reduces the risk of damage, improves the service life of multi-function special spreaders, and improves the safety and use effect of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a multifunctional special lifting appliance suitable for a reach stacker, which relates to the technical field of multifunctional lifting appliances and comprises a main body frame. During use, through matched use of the rotating assembly and the braking assembly, the connecting rod is driven by the two electric telescopic rods to drive the mounting block and the connecting rod arranged in the mounting block to move in the direction of the braking block, and under the action of the spring, when the smooth end of the connecting rod abuts against the surface of the braking block all the time, the braking block can rotate. When the driven gear drives the brake block to rotate, the surface of the brake block is in sliding friction with one end of the connecting rod until the abutted connecting rod slides into the adjacent fixing hole, so that the brake block is limited and fixed, the driven gear is further braked, and the phenomenon that the driven gear cannot rotate when the hoisted coil steel cargo rotates is prevented; and the rotating mechanism of the added multifunctional lifting appliance can be forcibly pushed, so that the internal structure of the rotating mechanism is damaged, and the service life of the multifunctional special lifting appliance suitable for the reach stacker is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of multifunctional slings, in particular to a multifunctional special sling suitable for front loaders. Background Art

[0002] Reach stackers are commonly used lifting equipment for loading and unloading containers, moving and receiving and delivering goods at ports, railways, highways, transit stations and various yards and cargo yards. They have the advantages of large lifting load, flexible operation and convenient movement. Especially at ports and docks, reach stackers are essential lifting equipment for loading and unloading containers.

[0003] In the prior art, some ports are limited by the fact that conventional spreaders of reach stackers can only be used to lift containers and have a single lifting capacity. When the port's container business volume is small, the equipment utilization rate of the reach stacker is at a low level for a long time. The usual practice is to install multifunctional special spreaders on the reach stacker. One of the necessary functions is a rotating mechanism, which can adjust the horizontal rotation of the lifted goods to adapt to the loading and unloading angles. However, when lifting heavier goods such as coiled steel, the reach stacker's body and spreader will shake during the transportation process, and the goods are prone to self-rotation, which may forcibly push the rotating mechanism of the installed multifunctional spreader and damage the internal structure of the rotating mechanism, thereby reducing the service life of the multifunctional special spreader suitable for the reach stacker. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that when heavy goods such as coiled steel are hoisted, the body and the hoisting device of the reach crane will shake during the transportation process, and the goods are prone to self-rotation, which may forcibly push the rotating mechanism of the installed multifunctional hoisting device and damage the internal structure of the rotating mechanism, thereby reducing the service life of the multifunctional special hoist suitable for the reach crane. A multifunctional special hoist suitable for the reach crane is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multifunctional special lifting device suitable for front lifting, comprising: a main frame, the top of the main frame is fixedly connected with first lifting ears near four corners, the bottom of the main frame is symmetrically fixedly connected with multiple second lifting ears, the inner surface of the main frame is fixedly connected with a rotating assembly, and the top of the rotating assembly is provided with a brake assembly; a rotating assembly, the rotating assembly includes a longitudinal beam, the longitudinal beam is fixedly connected to the inner surface of the main frame, the bottom of the longitudinal beam is fixedly connected with a motor, the output end of the motor rotates through the bottom of the longitudinal beam, the output end of the motor is fixedly connected with a driving gear, the outer surface of the driving gear is meshed and rotatably connected with a driven gear, the inner surface of the driven gear is fixedly connected with a rotating rod, the outer surface of the rotating rod rotates through the top of the longitudinal beam, the bottom of the rotating rod is fixedly connected with a third lifting ear, the top of the driven gear is fixedly connected with a brake block, and the outer surface of the brake block is equidistantly provided with multiple fixing holes.

[0006] Preferably, the brake assembly includes a mounting plate, the mounting plate is fixedly connected to the top of the longitudinal beam, electric telescopic rods are symmetrically arranged on the top of the mounting plate, the telescopic ends of the two electric telescopic rods are respectively fixedly connected with connecting blocks, the outer surfaces of the two connecting blocks are fixedly connected with mounting blocks, the inner surfaces of the mounting blocks are slidably connected with connecting rods, the outer surface of the connecting rod is fixedly connected with a pushing plate near the middle position, and a spring is sleeved on one side of the outer surface of the connecting rod near the push plate.

[0007] Preferably, the spring is located between the relative outer surfaces of the push plate and the mounting block, and the spring and the push plate are matched with each other.

[0008] Preferably, the inner surface of the mounting plate is symmetrically fixedly connected with fixing rods, the bottom of the mounting block is fixedly connected with a moving block, and the outer surfaces of the two fixing rods are slidably connected to the inner surface of the mounting block.

[0009] Preferably, the outer surface of the connecting rod is in an arc shape at a position away from the mounting block, and the connecting rod is matched with the brake block.

[0010] Preferably, the top of the driven gear and the top of the mounting plate are in the same plane, and the connecting rod and the plurality of fixing holes are matched with each other.

[0011] Preferably, a groove is formed at the top of the longitudinal beam, and the driving gear and the driven gear are both located in the groove at the top of the longitudinal beam.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, when in use, through the coordinated use of the rotating assembly and the braking assembly, the connecting rod, driven by the two electric telescopic rods, drives the mounting block and the connecting rod arranged therein to move toward the braking block. Under the action of the spring, the smooth end of the connecting rod always contacts the surface of the braking block. When the driven gear drives the braking block to rotate, its surface slides and rubs against one end of the connecting rod until the contacting connecting rod slides into the adjacent fixing hole, which plays a role in limiting and fixing the braking block, and then stops the driven gear, preventing the hoisted coiled steel goods from forcibly pushing the rotating mechanism of the installed multifunctional sling when rotating, thereby damaging the internal structure of the rotating mechanism, thereby improving the service life of the multifunctional special sling suitable for the reach crane.

[0014] 2. In the utility model, when in use, by symmetrically fixing the fixing rods on the inner surface of the mounting plate, the mounting block can slide on its surface through the moving block when it moves, thereby playing a limiting role, preventing its position from shifting during the movement, affecting the docking shift between the connecting rod and the fixing hole, and improving the use effect of the multifunctional special lifting device of the front crane. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of a multifunctional special lifting device suitable for a front lift is proposed for the utility model;

[0016] Figure 2 A bottom view of a multifunctional special lifting device suitable for a front lift is provided for the utility model;

[0017] Figure 3 The utility model provides a structural schematic diagram of a rotating assembly of a multifunctional special lifting device suitable for a front loaders;

[0018] Figure 4 The utility model provides a schematic diagram of the brake assembly structure of a multifunctional special lifting device suitable for a front loaders;

[0019] Figure 5 The utility model provides a partial structural schematic diagram of a multifunctional special lifting device suitable for a front loader.

[0020] Legend: 1. Main frame; 2. First lifting eye; 4. Second lifting eye; 5. Rotating assembly; 501. Longitudinal beam; 502. Motor; 503. Driving gear; 504. Driven gear; 505. Brake block; 506. Fixing hole; 507. Rotating rod; 508. Third lifting eye; 6. Braking assembly; 601. Mounting plate; 602. Fixed rod; 603. Electric telescopic rod; 604. Mounting block; 605. Connecting block; 606. Connecting rod; 607. Spring; 608. Pushing plate; 609. Moving block. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1, as Figure 1-Figure 5 As shown, the utility model provides a multifunctional special lifting device suitable for a front loader, comprising: a main frame 1, the top of the main frame 1 is fixedly connected with first lifting ears 2 near four corners, the bottom of the main frame 1 is symmetrically fixedly connected with a plurality of second lifting ears 4, the inner surface of the main frame 1 is fixedly connected with a rotating assembly 5, and the top of the rotating assembly 5 is provided with a brake assembly 6; the rotating assembly 5, the rotating assembly 5 includes a longitudinal beam 501, the longitudinal beam 501 is fixedly connected to the inner surface of the main frame 1, and the bottom of the longitudinal beam 501 is fixedly connected to the inner surface of the main frame 1. The motor 502 is fixedly connected, and the output end of the motor 502 rotates and penetrates the bottom of the longitudinal beam 501. The output end of the motor 502 is fixedly connected to a driving gear 503. The outer surface of the driving gear 503 is meshed and rotatably connected to a driven gear 504. The inner surface of the driven gear 504 is fixedly connected to a rotating rod 507. The outer surface of the rotating rod 507 rotates and penetrates the top of the longitudinal beam 501. The bottom of the rotating rod 507 is fixedly connected to a third hanging ear 508. The top of the driven gear 504 is fixedly connected to a brake block 505. The brake block 50 The outer surface of the brake assembly 6 comprises a plurality of fixing holes 506 which are equidistantly provided. The brake assembly 6 comprises a mounting plate 601 which is fixedly connected to the top of the longitudinal beam 501. The top of the mounting plate 601 is symmetrically provided with electric telescopic rods 603. The telescopic ends of the two electric telescopic rods 603 are respectively fixedly connected with connecting blocks 605. The outer surfaces of the two connecting blocks 605 are both fixedly connected with mounting blocks 604. The inner surfaces of the mounting blocks 604 are slidably connected with connecting rods 606. The outer surfaces of the connecting rods 606 are fixedly connected with a push plate 606 near the middle. 08. A spring 607 is sleeved on one side of the outer surface of the connecting rod 606 close to the push plate 608. The spring 607 is located between the relative outer surfaces of the push plate 608 and the mounting block 604. The spring 607 and the push plate 608 are matched. The outer surface of the connecting rod 606 is in an arc shape away from the mounting block 604. The connecting rod 606 and the brake block 505 are matched. The top of the driven gear 504 and the top of the mounting plate 601 are in the same plane. The connecting rod 606 and the multiple fixing holes 506 are matched.

[0024] The effect achieved by the entire embodiment 1 is that when the multifunctional special sling is used for the reach crane, the reach crane driver operates the ordinary sling to connect and lock its lock head with the first lifting ears 2 fixed near the four corners on the top of the main frame 1, and multiple second lifting ears 4 are fixed at equal distances at the bottom of the main frame 1. After adding shackles, chains, horn hooks or automatic unhooking devices to the multiple second lifting ears 4, the lifting operation of multiple bagged goods at a time can be completed. When used in conjunction with the automatic unhooking device, the unhooking link can be omitted, avoiding human-machine intersection and high-altitude operations, effectively improving the inherent safety of the equipment, and during the coil steel lifting operation, A high-strength shackle and a C-type coil steel hoist are installed in the third lifting lug 508 arranged at the bottom of the rotating component 5, and the front loader can carry out the lifting operation of the coil steel within its rated load range. When the coil steel is rotated, the motor 502 is started, and the output end of the motor 502 rotates in the inner wall of the longitudinal beam 501, and the driven gear 504 is meshed and driven to rotate through the driving gear 503, and then the goods under the third lifting lug 508 are driven to rotate through the rotating rod 507, so that a full range of rotation of 360° can be achieved during the lifting operation, which can meet various loading and unloading requirements. In the process of transferring goods, in order to prevent The anti-roll steel rotates, and the two electric telescopic rods 603 are started synchronously, so that the two telescopic ends push the mounting block 604 through the two connecting blocks 605 respectively, so that the connecting rod 606 arranged inside moves toward the brake block 505. The surface of one end of the connecting rod 606 is a smooth arc shape. When it contacts the surface of the brake block 505, the push plate 608 will compress the spring 607, and the spring 607 will always squeeze the push plate 608 under the elastic reset effect, so that one end of the connecting rod 606 will continue to contact the surface of the brake block 505, and the driven gear When 504 rotates normally, the brake block 505 will rotate synchronously and slide and rub against one end of the connecting rod 606 until an adjacent fixing hole 506 moves to the contact end of the connecting rod 606, and the connecting rod 606 will slide into it under the push of the spring 607, thereby limiting and fixing the brake block 505, and then stopping the driven gear 504, preventing the hoisted coiled steel goods from forcibly pushing the rotating mechanism of the installed multifunctional sling when rotating, thereby damaging the internal structure of the rotating mechanism, thereby increasing the service life of the multifunctional special sling suitable for the reach loaders.

[0025] Embodiment 2, as Figure 1-Figure 5 As shown, the inner surface of the mounting plate 601 is symmetrically fixedly connected with a fixing rod 602, the bottom of the mounting block 604 is fixedly connected with a moving block 609, the outer surfaces of the two fixing rods 602 are slidably connected with the inner surface of the mounting block 604, a groove is provided at the top of the longitudinal beam 501, and the driving gear 503 and the driven gear 504 are both located in the top groove of the longitudinal beam 501.

[0026] The effect achieved by the entire embodiment 2 is that, when in use, by symmetrically fixing the fixing rod 602 on the inner surface of the mounting plate 601, the mounting block 604 can slide on its surface through the moving block 609 when moving, thereby playing a limiting role, preventing its position from shifting during the movement, affecting the docking deviation of the connecting rod 606 and the fixing hole 506, and improving the use effect of the multifunctional special lifting device of the front loaders.

[0027] Working principle: When the multifunctional special lifting device is used in the reach stacker, the reach stacker driver operates the ordinary lifting device to connect and lock the lock head with the first lifting lug 2 fixed near the four corners on the top of the main frame 1, and the multiple second lifting lugs 4 are fixed at equal distances at the bottom of the main frame 1. After installing shackles, chains, horn hooks or automatic unhooking devices in the multiple second lifting lugs 4, the lifting operation of multiple bagged goods at a time can be completed. When used in conjunction with the automatic unhooking device, the unhooking link can be omitted, avoiding human-machine intersection and high-altitude operations, and effectively improving the inherent safety of the equipment. When lifting the coiled steel, a high-strength shackle and a C-type coiled steel lifting device are installed in the third lifting lug 508 set at the bottom of the rotating component 5, and the reach stacker is The steel coil can be hoisted within its rated load range. When the steel coil is rotated, the motor 502 is started, and the output end of the motor 502 rotates in the inner wall of the longitudinal beam 501, and the driven gear 504 is meshed with the driving gear 503 to rotate, and then the goods under the third lifting ear 508 are driven to rotate through the rotating rod 507, so that a full range of rotation of 360° can be achieved during the hoisting operation, which can meet various loading and unloading requirements. In order to prevent the steel coil from rotating on its own during the transfer of goods, the two electric telescopic rods 603 are started synchronously, so that the two telescopic ends thereof push the mounting block 604 through the two connecting blocks 605 respectively, so that it drives the internally arranged connecting blocks 605 to drive ... The connecting rod 606 moves toward the brake block 505. The surface of one end of the connecting rod 606 is a smooth arc shape. When it contacts the surface of the brake block 505, the pushing plate 608 compresses the spring 607, and the spring 607 always squeezes the pushing plate 608 under the elastic reset effect, so that one end of the connecting rod 606 continues to contact the surface of the brake block 505. When the driven gear 504 rotates normally, the brake block 505 rotates synchronously and slides and rubs with one end of the connecting rod 606 until an adjacent fixing hole 506 moves to the contacting end of the connecting rod 606, and the connecting rod 606 slides into it under the push of the spring 607, playing a role. The limiting and fixing effect of the brake block 505, and then the driven gear 504, is applied to stop the lifted coiled steel cargo from forcibly pushing the rotating mechanism of the installed multifunctional sling when rotating, thereby damaging the internal structure of the rotating mechanism, thereby improving the service life of the multifunctional special sling suitable for the reach stacker. By symmetrically fixing the fixing rods 602 on the inner surface of the mounting plate 601, the mounting block 604 can slide on its surface through the moving block 609 when moving, thereby playing a limiting role, preventing its position from shifting during the movement, affecting the docking deviation of the connecting rod 606 and the fixing hole 506, and improving the use effect of the multifunctional special sling for the reach stacker.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A multifunctional special lifting device suitable for front loaders, characterized in that: include: A main frame (1), wherein first lifting ears (2) are fixedly connected to the top of the main frame (1) near four corners, and a plurality of second lifting ears (4) are symmetrically fixedly connected to the bottom of the main frame (1). A rotating assembly (5) is fixedly connected to the inner surface of the main frame (1), and a brake assembly (6) is arranged on the top of the rotating assembly (5); A rotating assembly (5), the rotating assembly (5) comprising a longitudinal beam (501), the longitudinal beam (501) being fixedly connected to the inner surface of a main frame (1), the bottom of the longitudinal beam (501) being fixedly connected to a motor (502), the output end of the motor (502) being rotatably connected to the bottom of the longitudinal beam (501), the output end of the motor (502) being fixedly connected to a driving gear (503), the outer surface of the driving gear (503) being meshingly rotatably connected to a driven gear (504), the inner surface of the driven gear (504) being fixedly connected to a rotating rod (507), the outer surface of the rotating rod (507) being rotatably connected to the top of the longitudinal beam (501), the bottom of the rotating rod (507) being fixedly connected to a third lifting lug (508), the top of the driven gear (504) being fixedly connected to a brake block (505), the outer surface of the brake block (505) being provided with a plurality of fixing holes (506) at equal intervals.

2. The multifunctional special lifting device suitable for front loaders according to claim 1, characterized in that: The brake assembly (6) comprises a mounting plate (601), wherein the mounting plate (601) is fixedly connected to the top of the longitudinal beam (501), and electric telescopic rods (603) are symmetrically arranged on the top of the mounting plate (601), and the telescopic ends of the two electric telescopic rods (603) are respectively fixedly connected to connecting blocks (605), and the outer surfaces of the two connecting blocks (605) are both fixedly connected to mounting blocks (604), and the inner surfaces of the mounting blocks (604) are slidably connected to connecting rods (606), and the outer surfaces of the connecting rods (606) are fixedly connected to a pushing plate (608) near the middle position, and a spring (607) is sleeved on the outer surface of the connecting rod (606) near the pushing plate (608) on one side.

3. The multifunctional special lifting device suitable for front loaders according to claim 2, characterized in that: The spring (607) is located between the opposing outer surfaces of the push plate (608) and the mounting block (604), and the spring (607) and the push plate (608) are matched to each other.

4. The multifunctional special lifting device suitable for front loaders according to claim 2, characterized in that: The inner surface of the mounting plate (601) is symmetrically fixedly connected to a fixing rod (602), the bottom of the mounting block (604) is fixedly connected to a moving block (609), and the outer surfaces of the two fixing rods (602) are slidably connected to the inner surface of the mounting block (604).

5. The multifunctional special lifting device suitable for front loaders according to claim 2, characterized in that: The outer surface of the connecting rod (606) is in an arc shape at a position away from the mounting block (604), and the connecting rod (606) and the brake block (505) are arranged in a matching manner.

6. The multifunctional special lifting device suitable for front loaders according to claim 5, characterized in that: The top of the driven gear (504) and the top of the mounting plate (601) are located in the same plane, and the connecting rod (606) and the plurality of fixing holes (506) are arranged in a matching manner.

7. The multifunctional special lifting device suitable for front loaders according to claim 1, characterized in that: The top of the longitudinal beam (501) is provided with a groove, and the driving gear (503) and the driven gear (504) are both located in the top groove of the longitudinal beam (501).