Grab bucket structure of bridge type grab bucket ship unloader
By introducing a combined design of mounting frame, motor, lead screw and bucket teeth into the grab structure of the bridge grab unloader, the problem of slippage when grabbing materials with large particles, irregular shapes and high moisture content is solved, and a stable grabbing effect is achieved.
Patent Information
- Application Number
- CN202423138115.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing bridge-type grab unloaders are prone to slippage when grabbing materials with large particles, irregular shapes, and high moisture content, resulting in unstable grabbing.
A grab bucket structure for a bridge-type grab unloader was designed. Through the combination of mounting frame, motor, lead screw, moving rod, adjusting frame and bucket teeth, the position and tilt angle of the bucket teeth can be adjusted to ensure that the bucket teeth close on the same plane and stably grab the material.
It enables stable gripping of materials with large particles, irregular shapes, and high moisture content, improving the gripping capacity and stability of the grab bucket.
Smart Images

Figure CN223659650U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to grab bucket structure technical field, concretely is a bridge type grab bucket ship unloader's grab bucket structure. BACKGROUND
[0002] The bridge type grab bucket ship unloader is a heavy machinery equipment for port loading and unloading operation, and is mainly used for loading and unloading bulk cargo, such as coal, ore, grain and the like. As the core mechanism of the bridge type grab bucket ship unloader, the grab bucket is widely used in material grabbing work due to its wide variety, strong flexibility and high reliability and the like.
[0003] The common grab bucket structure generally adopts the bucket body to accommodate and grab the material, the material is grabbed and released through the grab bucket, the support structure is used to connect the grab bucket and other parts of the crane, the steel wire rope and the pulley block are used to transmit the lifting force and the opening and closing force of the crane, so that the grab bucket can be lifted up and down in the vertical direction and moved in the horizontal direction, thereby the material is grabbed.
[0004] Under normal working conditions, the dropping of the material of the grab bucket of the ship unloader can be controlled. The design and operation of the grab bucket are all to ensure that the material can be effectively grabbed and transported, but due to the performance of the grab bucket and the stability of the material may be affected by various factors, the material with smaller particles and larger density can be more easily stably grabbed by the grab bucket, while the material with larger particles, irregular shape and larger humidity can be more easily slipped from the grab bucket, resulting in that the grab bucket of the ship unloader cannot stably grab the material with larger particles, irregular shape and larger humidity. INVENTION CONTENTS
[0005] (I) Technical problem solved
[0006] In view of the deficiencies in the prior art, the utility model provides a grab bucket structure of a bridge type grab bucket ship unloader to solve the problem that the performance of the grab bucket and the stability of the material may be affected by various factors, the material with smaller particles and larger density can be more easily stably grabbed by the grab bucket, while the material with larger particles, irregular shape and larger humidity can be more easily slipped from the grab bucket, resulting in that the grab bucket of the ship unloader cannot stably grab the material with larger particles, irregular shape and larger humidity.
[0007] (II) Technical scheme
[0008] To achieve the above object, the utility model provides the following technical scheme: a grab bucket structure of a bridge type grab bucket ship unloader, comprising:
[0009] The grab bucket shell is provided with a hanging plate on the upper surface, grab bucket petals are installed on the lower part of the surface on both sides, and the grab bucket petals are connected through a hinge structure.
[0010] The mounting frame is arranged outside the grab bucket, and the outer side of the mounting frame is provided with a motor, the rotor output end of the motor is provided with a lead screw, and the surface of the lead screw is rotationally connected with a moving rod.
[0011] The adjusting frame is arranged at the inner end of the moving rod, the inner wall of the adjusting frame is provided with a motor, the rotor output end of the motor is provided with a rotating rod, and the surface of the rotating rod is uniformly provided with a bucket tooth.
[0012] Preferably, the upper surface of the mounting frame is provided with a mounting plate, the surface of the mounting plate is provided with a connecting plate, the connecting plate is designed in an L shape, the surface of the connecting plate is rotationally connected with a bolt, the bolt is rotationally connected with the surface of the grab bucket through the surface of the connecting plate, and the mounting plate can be fixed to the surface of the grab bucket.
[0013] Preferably, the surface of the mounting frame is provided with a fixed frame at a position corresponding to the motor, and the motor is arranged in the fixed frame, so that the motor can be fixed and stably operated by the fixed frame.
[0014] Preferably, the upper surface of the mounting frame is provided with a fixed plate on both sides, and the surface of the fixed plate is rotationally connected with a threaded rod, so that the fixed plate can be arranged on the surface of the grab bucket by the threaded rod, thereby fixing the mounting frame.
[0015] Preferably, the mounting frame is provided with a connecting block on both sides, and the connecting block is connected with the bottom of the fixed plate, so that the fixed plate and the mounting frame are connected by the connecting block, thereby fixing the mounting frame on the surface of the grab bucket.
[0016] Preferably, the adjusting frame is provided with a sliding block on both sides, and the mounting frame is provided with a sliding groove on both sides, so that the sliding block is inserted into the sliding groove, and the adjusting frame can stably move.
[0017] Beneficial effects
[0018] Compared with the prior art, the bridge type grab bucket unloader grab bucket structure has the following beneficial effects:
[0019] The motor of the bridge type grab bucket unloader grab bucket structure can drive the lead screw to rotate, thereby driving the moving rod to move, further driving the adjusting frame to move, adjusting the position of the bucket tooth, enabling the bucket teeth on both sides to be closed to each other, and enabling the bottom of the grab bucket to be folded, and the motor can drive the rotating rod to rotate, thereby adjusting the inclination angle of the bucket tooth, enabling the bucket teeth to be on the same plane, and stably grabbing the material with large particles, irregular shape and large humidity. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a structure schematic view of the utility model;
[0021] Figure 2 It is a rear view structure schematic view of the mounting rack of the utility model;
[0022] Figure 3 It is a front view structure schematic view of the mounting rack of the utility model;
[0023] Figure 4 It is a mounting structure schematic view of the bucket tooth of the utility model;
[0024] Figure 5 It is a mounting structure schematic view of the mounting rack of the utility model.
[0025] In the drawing: 1, grab shell; 2, hanging plate; 3, grab petal; 4, mounting rack; 5, motor; 6, screw rod; 7, moving rod; 8, adjusting rack; 9, motor; 10, rotating rod; 11, bucket tooth; 12, mounting plate; 13, connecting plate; 14, bolt; 15, fixed frame; 16, fixed plate; 17, threaded rod; 18, connecting block; 19, sliding block; 20, sliding groove. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] The utility model provides a kind of technical scheme, a grab structure of bridge type grab ship unloader, please refer to Figure 1 Including grab shell 1, the upper surface of grab shell 1 is equipped with hanging plate 2, the surface lower portion of grab shell 1 is equipped with grab petal 3 on both sides, grab petal 3 is connected by hinge structure between grab petal 3;
[0028] Grab is connected with operating mechanism by transmission device such as steel wire rope or chain, operating mechanism can realize the lifting of grab along portal and the horizontal movement along main girder, when grab reaches above material, opening and closing mechanism will control the closure of grab, so that grab can grab material;
[0029] Mounting rack 4 is set to the outside of grab petal 3, please refer to Figure 2 The outer side of mounting rack 4 is equipped with motor 5, please refer to Figure 4 The rotor output end of motor 5 is equipped with screw rod 6, the surface of screw rod 6 is spin-connected with moving rod 7;
[0030] The adjusting frame 8 is arranged at the inner end of the moving rod 7, the inner wall of the adjusting frame 8 is provided with a motor 9, the rotor output end of the motor 9 is provided with a rotating rod 10, and the surface of the rotating rod 10 is uniformly provided with a tooth 11.
[0031] The starting motor 5 can drive the screw rod 6 to rotate, thereby driving the moving rod 7 to move, and further driving the adjusting frame 8 to move, so as to adjust the position of the tooth 11, so that the two sides of the tooth 11 can be closed to each other, and the bottom of the grab bucket 3 can be folded. The starting motor 9 can drive the rotating rod 10 to rotate, thereby adjusting the inclination angle of the tooth 11, so that the tooth 11 can be in the same plane, and the material with large particles, irregular shape and large humidity can be stably grabbed.
[0032] Please refer to Figure 3 The upper surface of the mounting frame 4 is provided with a mounting plate 12, the surface of the mounting plate 12 is provided with a connecting plate 13, and the connecting plate 13 is L-shaped, please refer to Figure 2 The surface of the connecting plate 13 is screwed with a bolt 14, the bolt 14 is screwed through the surface of the connecting plate 13 and is screwed on the surface of the grab bucket 3, so as to fix the mounting plate 12 on the surface of the grab bucket 3.
[0033] The surface of the mounting frame 4 is provided with a fixed frame 15 corresponding to the motor 5, and the motor 5 is arranged in the fixed frame 15, so as to fix the motor 5 and make the motor 5 run stably.
[0034] The upper surface of the mounting frame 4 is provided with a fixed plate 16 on both sides, the surface of the fixed plate 16 is screwed with a threaded rod 17, the fixed plate 16 is arranged on the surface of the grab bucket 3 through the threaded rod 17, so as to fix the mounting frame 4.
[0035] Please refer to Figure 5 The mounting frame 4 is provided with a connecting block 18 on both sides, the connecting block 18 is connected with the bottom of the fixed plate 16, the connecting block 18 connects the fixed plate 16 with the mounting frame 4, so as to fix the mounting frame 4 on the surface of the grab bucket 3.
[0036] Please refer to Figure 4 The adjusting frame 8 is provided with a sliding block 19 on both sides, please refer to Figure 5 The mounting frame 4 is provided with a sliding groove 20 on both sides, the sliding block 19 is inserted into the sliding groove 20, so that the adjusting frame 8 can move stably.
[0037] The working procedure of the device is as follows: firstly, the bolt 14 is screwed through the surface of the connecting plate 13 to the surface of the grab bucket petal 3, the mounting plate 12 can be fixed to the surface of the grab bucket petal 3, the fixing plate 16 can be installed on the surface of the grab bucket petal 3 through the threaded rod 17, so that the mounting frame 4 can be fixed, then the motor 5 is started to drive the screw rod 6 to rotate, so that the moving rod 7 can be moved, and the adjusting frame 8 can be moved, the position of the bucket tooth 11 can be adjusted, the bucket teeth 11 on both sides can be closed to each other, the bottom of the grab bucket petal 3 can be folded, finally, the motor 9 is started to drive the rotating rod 10 to rotate, so that the inclination angle of the bucket tooth 11 can be adjusted, the bucket teeth 11 can be on the same plane, and the materials with large particles, irregular shape and large humidity can be stably grabbed.
[0038] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A grab structure of a bridge type ship unloader, characterized by, Include: The upper surface of the grab shell (1) is provided with a hanging plate (2), the lower surface of the grab shell (1) is provided with grab petals (3) on both sides, and the grab petals (3) are connected by hinge structure; Mounting frame (4) is arranged on the outer side of the grab petals (3), the outer side of the mounting frame (4) is provided with motor (5), the rotor output end of the motor (5) is provided with screw rod (6), the surface of the screw rod (6) is provided with moving rod (7); Adjusting frame (8) is arranged on the inner end of the moving rod (7), the inner wall of the adjusting frame (8) is provided with motor (9), the rotor output end of the motor (9) is provided with rotating rod (10), the surface of the rotating rod (10) is uniformly provided with bucket tooth (11).
2. A grab structure of a bridge type ship unloader according to claim 1, characterized in that: The upper surface of the mounting frame (4) is provided with mounting plate (12), the surface of the mounting plate (12) is provided with connecting plate (13), the connecting plate (13) is L-shaped design, the surface of the connecting plate (13) is provided with bolt (14).
3. The grab structure of a bridge type ship unloader according to claim 1, characterized in that: The surface of the mounting frame (4) is provided with fixed frame (15) at the corresponding position of the motor (5), and the motor (5) is arranged in the inner part of the fixed frame (15).
4. The grab structure of a bridge type ship unloader according to claim 1, characterized in that: The upper surface of the mounting frame (4) is provided with fixed plate (16) on both sides, the surface of the fixed plate (16) is provided with threaded rod (17).
5. A grab structure of a bridge type ship unloader according to claim 4, characterized in that: The both sides of the mounting frame (4) are provided with connecting block (18), and the connecting block (18) is connected with the bottom of the fixed plate (16).
6. The grab structure of a bridge type ship unloader according to claim 1, characterized in that: The both sides of the adjusting frame (8) are provided with sliding block (19), and the both sides of the mounting frame (4) are provided with sliding groove (20).