Grab bucket with telescopic mechanism

By introducing transmission and anti-blocking mechanisms into the grab bucket and using a servo motor to drive the screw rod to rotate, the grab bucket blockage problem is solved, the grab bucket's efficient opening and closing and anti-blocking functions are achieved, and work efficiency is improved.

CN223480620UActive Publication Date: 2025-10-28JIANGSU ZISHI MACHINERY MFG
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Patent Information

Application Number
CN202423122702.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-10-28
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

During the opening and closing process of the existing telescopic grab bucket, the grabbing material is highly viscous and may cause blockage inside the grab bucket body, thus affecting work efficiency.

Method used

A grab bucket with a telescopic mechanism is designed, which includes a connecting assembly, a transmission mechanism and an anti-blocking mechanism. The servo motor drives the screw rod to rotate, and the hydraulic rod and hinge cooperate to realize the opening and closing and anti-blocking functions of the grab bucket body.

Benefits of technology

It improves the working efficiency and practicality of the grab bucket, prevents blockage inside the grab bucket body, and ensures the normal operation of the grab bucket in different environments.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223480620U_ABST
    Figure CN223480620U_ABST
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Abstract

The utility model relates to the technical field of grab buckets, in particular to a grab bucket with a telescopic mechanism, which comprises a connecting component and a telescopic component, the telescopic component is arranged at the lower end of the connecting component, anti-blocking mechanisms are arranged on two sides of the telescopic component, a grab bucket main body is arranged in the anti-blocking mechanisms, a prefabricated hole is arranged on one side of the grab bucket main body, and the telescopic component is arranged in the prefabricated hole. A servo motor is arranged at the upper end of the grab bucket body, a screw rod is rotationally installed at the output end of the servo motor through a coupler, a rotating shaft is arranged at the bottom end of the screw rod, a transmission mechanism is arranged on the connecting assembly, a control assembly is arranged in the transmission mechanism, and a telescopic rod is arranged in the middle of the control assembly. A first hinge is arranged at the bottom end of the control assembly, and a hydraulic rod is arranged on the first hinge.
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Description

Technical Field

[0001] This utility model relates to the field of grab bucket technology, specifically a grab bucket with a telescopic mechanism. Background Technology

[0002] A telescopic grab is a special grab design with retractable jaws, allowing it to better adapt to materials of varying depths and widths. This design makes it more flexible and efficient when grabbing materials that are deep and narrow, such as in ditches and tunnels. Telescopic grabs are typically mounted on excavators or other construction machinery. A hydraulic system controls the extension and retraction of the jaws. The grab closes during loading, pulling the material into its container; it opens during unloading, scattering the material onto the pile. This design enables the grab to adapt to materials of various shapes and sizes, improving work efficiency.

[0003] However, the existing device has the following problems;

[0004] Existing grabs with telescopic mechanisms, because the environment in which they are used is stationary and their internal structure is arc-shaped, may experience blockages inside the grab body during opening and closing due to the high viscosity of the material being grabbed, thus affecting the operation.

[0005] Therefore, in order to solve the above problems, a grab bucket with a telescopic mechanism is proposed. Utility Model Content

[0006] The purpose of this utility model is to provide a grab bucket with a telescopic mechanism to solve the problem mentioned in the background art that in the prior art, the grab bucket with a telescopic mechanism has a fixed operating environment and an arc-shaped internal structure. During the opening and closing process, the grab bucket body may become blocked due to the high viscosity of the grabbed material, thus affecting the operation.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a grab bucket with a telescopic mechanism, comprising: a connecting component and a telescopic component, wherein the lower end of the connecting component is provided with a telescopic component, and anti-blocking mechanisms are provided on both sides of the telescopic component, wherein a grab bucket body is provided within the anti-blocking mechanism, wherein a pre-drilled hole is provided on one side of the grab bucket body, and a servo motor is provided at the upper end of the grab bucket body, wherein a screw rod is rotatably mounted on the output end of the servo motor via a coupling, wherein a rotating shaft is provided at the bottom end of the screw rod, a transmission mechanism is provided on the connecting component, a control component is provided within the transmission mechanism, a telescopic rod is provided in the middle of the control component, and a first hinge is provided at the bottom end of the control component, wherein a hydraulic rod is provided on the first hinge.

[0008] Preferably, the telescopic end of the hydraulic rod is provided with a fixing block, and a fixing rod is fixedly installed inside the fixing block, and the telescopic end of the hydraulic rod is movably installed on the fixing rod.

[0009] Preferably, a limiting rod is movably installed at the telescopic end of the telescopic rod, and connecting rods are movably installed at both ends of the limiting rod, with a second hinge movably installed at one end of the connecting rod.

[0010] Preferably, the fixing block is fixedly installed on the grab bucket body, one end of the hydraulic rod is movably connected to the grab bucket body via the fixing rod and the fixing block, and one side of the second hinge is movably installed on the grab bucket body, and one end of the connecting rod is movably connected to the grab bucket body via the second hinge.

[0011] Preferably, the grab bucket body is movably mounted on the telescopic rod via a connecting rod and a hydraulic rod, and the servo motor is fixedly mounted on the grab bucket body.

[0012] Preferably, one end of the screw rod is rotatably installed inside the grab bucket body, one side of the rotating shaft is rotatably installed inside the grab bucket body, and one end of the screw rod is rotatably installed inside the rotating shaft.

[0013] Preferably, the control component is fixedly mounted on the connecting component via a base plate, one end of the telescopic rod passes through the control component and is fixedly mounted on the connecting component, one side of the first hinge is movably mounted on the base plate of the control component, and one end of the hydraulic rod is movably mounted on the first hinge.

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

[0015] 1. The grab bucket body can be opened and closed by a transmission mechanism. The grab bucket body can be extended and retracted by a telescopic rod in the mechanism. The transmission component is controlled by a control component. The grab bucket body is limited by a hydraulic rod through a first hinge, a fixed block, and a fixed rod. The telescopic rod drives the connecting rod through the limiting rod. The connecting rod works through a second hinge. In this way, the opening and closing of the grab bucket body is controlled by the hydraulic rod and the telescopic rod, and the connecting rod, thereby improving the working efficiency of the device.

[0016] 2. By incorporating an anti-clogging mechanism, the grab bucket body is protected from blockage. The mechanism utilizes a servo motor to drive a screw rod, which rotates within the grab bucket body via a rotating shaft. This prevents blockage of materials within the grab bucket body, thereby improving the device's practicality. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0018] Figure 1 It is a schematic front view of the structure of the utility model;

[0019] Figure 2 This is a front view schematic diagram of the main structure of the present utility model;

[0020] Figure 3 This is a front sectional view of the transmission mechanism of this utility model;

[0021] Figure 4 This is a schematic cross-sectional view of the anti-blocking mechanism of this utility model.

[0022] In the diagram: 1. Connecting assembly; 2. Telescopic assembly; 3. Transmission mechanism; 31. Control assembly; 32. Telescopic rod; 33. First hinge; 34. Hydraulic rod; 35. Fixing block; 36. Fixing rod; 37. Limiting rod; 38. Connecting rod; 39. Second hinge; 4. Anti-blocking mechanism; 41. Grab body; 42. Pre-drilled hole; 43. Servo motor; 44. Helical rod; 45. Rotating shaft. 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 1-4 One embodiment provided by this utility model:

[0025] The servo motor 43 used in this application is a product that can be purchased directly from the market. Its principle and connection method are existing technologies well known to those skilled in the art, so they will not be described in detail here.

[0026] A grab bucket with a telescopic mechanism includes: a connecting component 1 and a telescopic component 2. The telescopic component 2 is located at the lower end of the connecting component 1. Anti-blocking mechanisms 4 are located on both sides of the telescopic component 2. A grab bucket body 41 is located inside the anti-blocking mechanism 4. A pre-drilled hole 42 is opened on one side of the grab bucket body 41, and a servo motor 43 is located at the upper end of the grab bucket body 41. A screw rod 44 is rotatably mounted on the output end of the servo motor 43 through a coupling. A rotating shaft 45 is located at the bottom end of the screw rod 44. A transmission mechanism 3 is located on the connecting component 1. A control component 31 is located inside the transmission mechanism 3. A telescopic rod 32 is located in the middle of the control component 31, and a first hinge 33 is located at the bottom end of the control component 31. A hydraulic rod 34 is located on the first hinge 33. By setting this component, the grab bucket body 41 can be controlled to extend and retract through the telescopic component 2, the grab bucket body can be operated through the transmission mechanism 3, and the grab bucket body 4 can be cleaned and blocked through the anti-blocking mechanism 4.

[0027] As a further improvement of this utility model, the telescopic end of the hydraulic rod 34 is provided with a fixing block 35, and a fixing rod 36 is fixedly installed inside the fixing block 35. The telescopic end of the hydraulic rod 34 is movably installed on the fixing rod 36. By setting this component, the hydraulic rod 34 can be used to open and close the grab bucket body 41 through the cooperation of the fixing block 35 and the fixing rod 36.

[0028] As a further improvement of this utility model, a limiting rod 37 is movably installed at the telescopic end of the telescopic rod 32. A connecting rod 38 is movably installed at both ends of the limiting rod 37. A second hinge 39 is movably installed at one end of the connecting rod 38. By setting this component, the opening and closing of the grab bucket body 41 can be limited by the telescopic rod 32 through the connecting rod 38.

[0029] As a further improvement of this utility model, the fixing block 35 is fixedly installed on the grab bucket body 41. One end of the hydraulic rod 34 is movably connected to the grab bucket body 41 via the fixing rod 36 and the fixing block 35. The second hinge 39 is movably installed on one side of the grab bucket body 41, and one end of the connecting rod 38 is movably connected to the grab bucket body 41 via the second hinge 39. By setting this component, the hydraulic rod 34 and the telescopic rod 32 can work together to transmit power to the grab bucket body 41 via the connecting rod 38.

[0030] As a further improvement of this utility model, the grab bucket body 41 is movably mounted on the telescopic rod 32 via the connecting rod 38 and the hydraulic rod 34, and the servo motor 43 is fixedly mounted on the grab bucket body 41. By setting this component, the servo motor 43 can drive the screw rod 44 to work through the coupling.

[0031] As a further improvement of this utility model, one end of the spiral rod 44 is rotatably installed inside the grab bucket body 41, and one side of the rotating shaft 45 is rotatably installed inside the grab bucket body 41. The spiral rod 44 is rotatably installed inside the rotating shaft 45. By setting this component, the spiral rod 44 can rotate within the grab bucket body 41 via the rotating shaft 45.

[0032] As a further improvement of this utility model, the control component 31 is fixedly mounted on the connecting component 1 via a base plate, one end of the telescopic rod 32 passes through the control component 31 and is fixedly mounted on the connecting component 1, one side of the first hinge 33 is movably mounted on the base plate of the control component 31, and one end of the hydraulic rod 34 is movably mounted on the first hinge 33. By setting this component, the transmission mechanism 3 can be driven to work by the control component 31.

[0033] Working principle: When a grab bucket with a telescopic mechanism is needed, it is simply connected to the mechanism via the connecting component 1. The grab bucket body 41 can be opened and closed via the transmission mechanism 3. The telescopic rod 32 inside the mechanism allows the grab bucket body 41 to extend and retract. The transmission mechanism 3 is controlled by the control component 31. The hydraulic rod 34, through the first hinge 33, cooperates with the fixed block 35 and the fixed rod 36 to limit the grab bucket body 41. The telescopic rod 32 drives the connecting rod 38 through the limiting rod 37. The connecting rod 38 operates via the second hinge 39, and then, through the hydraulic rod 34 and the telescopic rod 32, and the connecting rod 38, controls the opening and closing of the grab bucket body 41. During operation, the anti-blocking mechanism 4 can prevent blockage inside the grab bucket body 41. The servo motor 43 in the mechanism drives the screw rod 44 to work. The screw rod 44 rotates inside the grab bucket body 41 through the rotating shaft 45, thereby cleaning the material inside the grab bucket body 41 and completing the work.

[0034] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A grab bucket with a telescopic mechanism, comprising: A connecting component (1) and a telescopic component (2) are provided. The telescopic component (2) is provided at the lower end of the connecting component (1). The telescopic component (2) is characterized in that: anti-blocking mechanisms (4) are provided on both sides of the telescopic component (2). A grab bucket body (41) is provided inside the anti-blocking mechanism (4). A pre-made hole (42) is provided on one side of the grab bucket body (41). A servo motor (43) is provided at the upper end of the grab bucket body (41). A screw rod (44) is rotatably installed at the output end of the servo motor (43) through a coupling. A rotating shaft (45) is provided at the bottom end of the screw rod (44). A transmission mechanism (3) is provided on the connecting component (1). A control component (31) is provided inside the transmission mechanism (3). A telescopic rod (32) is provided in the middle of the control component (31). A first hinge (33) is provided at the bottom end of the control component (31). A hydraulic rod (34) is provided on the first hinge (33).

2. A grab bucket with a telescopic mechanism according to claim 1, characterized in that: The hydraulic rod (34) has a fixed block (35) at its telescopic end. A fixed rod (36) is fixedly installed inside the fixed block (35), and the telescopic end of the hydraulic rod (34) is movably installed on the fixed rod (36).

3. A grab bucket with a telescopic mechanism according to claim 2, characterized in that: The telescopic rod (32) has a limiting rod (37) movably installed at its telescopic end. The limiting rod (37) has connecting rods (38) movably installed at both ends. The connecting rod (38) has a second hinge (39) movably installed at one end.

4. A grab bucket with a telescopic mechanism according to claim 3, characterized in that: The fixing block (35) is fixedly installed on the grab bucket body (41). One end of the hydraulic rod (34) is movably connected to the grab bucket body (41) via the fixing rod (36) and the fixing block (35). One side of the second hinge (39) is movably installed on the grab bucket body (41), and one end of the connecting rod (38) is movably connected to the grab bucket body (41) via the second hinge (39).

5. A grab bucket with a telescopic mechanism according to claim 1, characterized in that: The grab bucket body (41) is movably mounted on the telescopic rod (32) via the connecting rod (38) and the hydraulic rod (34), and the servo motor (43) is fixedly mounted on the grab bucket body (41).

6. A grab bucket with a telescopic mechanism according to claim 1, characterized in that: One end of the spiral rod (44) is rotatably installed inside the grab bucket body (41), and one side of the rotating shaft (45) is rotatably installed inside the grab bucket body (41), with one end of the spiral rod (44) rotatably installed inside the rotating shaft (45).

7. A grab bucket with a telescopic mechanism according to claim 1, characterized in that: The control component (31) is fixedly mounted on the connecting component (1) via a base plate. One end of the telescopic rod (32) passes through the control component (31) and is fixedly mounted on the connecting component (1). One side of the first hinge (33) is movably mounted on the base plate of the control component (31). One end of the hydraulic rod (34) is movably mounted on the first hinge (33).