Telescopic unloading arm for ship loader

Abstract

The telescopic unloading arm for the ship loader comprises a large arm frame and a telescopic arm, the telescopic arm is installed in the large arm frame in a sliding mode, a conveying mechanism is arranged on the telescopic arm, and an unloading mechanism matched with the conveying mechanism is arranged at the end, stretching out of the large arm frame, of the telescopic arm. The big arm frame comprises a bottom frame at the lower part, a top frame at the upper part and two side frames which are correspondingly arranged at the left side and the right side; a first assembly and a second assembly are arranged on the bottom frame in a spaced mode, the first assembly is arranged at the end, facing the discharging mechanism, of the bottom frame, the second assembly corresponds to the other end of the bottom frame, and the mass of the first assembly is smaller than that of the second assembly; and a third assembly is arranged at the end part of the top frame. According to the telescopic unloading arm for the ship loader, the modular design concept is adopted, the structural design is more reasonable, and the balance between the overall structural strength and stability of the telescopic unloading arm can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of ship loader technology, especially relates to a telescopic unloading arm for ship loader. BACKGROUND

[0002] The ship loader is a large mechanical equipment used for loading goods on the ship in the port, and its main function is to efficiently transfer the container or other bulk cargo from the land to the ship through the mechanical arm and the grab bucket system. The telescopic unloading arm is a mechanical equipment used for material conveying, which is usually used for the unloading operation of bulk materials such as grain, coal, sand, and chemical raw materials. The telescopic unloading arm on the ship loader is mainly used as the structure of the ship loader arm, and in order to ensure the structural strength, the telescopic unloading arm is mainly made of carbon steel material. The frame can move within a certain range to facilitate the loading and unloading operation of goods at different positions, and different types of goods have different requirements. The telescopic unloading arm has certain adaptability and can adjust to different sizes and weights of goods.

[0003] Therefore, the telescopic unloading arm is mainly used for bearing the weight of the ship loader and various loads generated during the working process to ensure the stability and safety of the equipment under various working conditions. As the main stressed component, the telescopic unloading arm needs to balance multiple factors such as strength, stiffness, and stability to ensure the safety and reliability of the telescopic unloading arm during use, so that the bulk material can be stably loaded onto the ship through the conveying mechanism and the unloading mechanism on the unloading mechanism. However, the existing telescopic unloading arm still has the problem of unreasonable structure design, which affects the balance between the overall structural strength and stability of the unloading arm, and is not conducive to the stable conveying and loading of the bulk material onto the ship by the ship loader. SUMMARY

[0004] Therefore, the telescopic unloading arm is mainly used for bearing the weight of the ship loader and various loads generated during the working process to ensure the stability and safety of the equipment under various working conditions. As the main stressed component, the telescopic unloading arm needs to balance multiple factors such as strength, stiffness, and stability to ensure the safety and reliability of the telescopic unloading arm during use, so that the bulk material can be stably loaded onto the ship through the conveying mechanism and the unloading mechanism on the unloading mechanism. However, the existing telescopic unloading arm still has the problem of unreasonable structure design, which affects the balance between the overall structural strength and stability of the unloading arm, and is not conducive to the stable conveying and loading of the bulk material onto the ship by the ship loader.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] The utility model provides a telescopic unloading arm of ship loader, including big arm frame and telescopic arm, telescopic arm is slidably installed in big arm frame, is equipped with conveying mechanism on telescopic arm, and the one end of telescopic arm is equipped with the unloading mechanism of cooperation with conveying mechanism and stretches out big arm frame, the big arm frame includes the bottom frame of below, the top frame of above and the two side frames of corresponding setting left and right, the bottom frame is equipped with first assembly and second assembly, the first assembly is set to the one end of bottom frame towards unloading mechanism, and the second assembly is set to the other end of bottom frame, the quality of first assembly is less than the quality of second assembly, the end of top frame is equipped with third assembly, and the second assembly and third assembly are misaligned setting along the length direction of bottom frame.

[0007] Further, the first assembly is an "open" type structure, the left and right sides of the two transverse ends of the first assembly are connected to the bottom frame, and the two longitudinal ends are connected to the transverse ends at one end and arranged towards the unloading mechanism at the other end; the first assembly is further provided with a diagonal brace at the position corresponding to the connection of the transverse end and the longitudinal end, one end of the diagonal brace is arranged on the first assembly, and the other end is connected to the bottom frame.

[0008] Further, the second assembly includes a main transverse connecting piece, a secondary transverse connecting piece, and a longitudinal connecting piece, the main transverse connecting piece and the longitudinal connecting piece are each provided with a protrusion below, the length direction of the main transverse connecting piece and the secondary transverse connecting piece is perpendicular to the length direction of the longitudinal connecting piece, and the length direction of the longitudinal connecting piece is the same as the length direction of the bottom frame; the left and right sides of the main transverse connecting piece are connected to the bottom frame, the secondary transverse connecting piece is arranged in two, the left and right sides of the two secondary transverse connecting pieces are connected to the bottom frame, and the middle part of each secondary transverse connecting piece is connected to the main transverse connecting piece through two longitudinally arranged longitudinal connecting pieces.

[0009] Further, the side of the longitudinal connecting piece towards the outside of the bottom frame is further provided with a V-shaped connecting piece, the middle part of the V-shaped connecting piece is arranged on the longitudinal connecting piece, and the two oblique ends are connected to the main transverse connecting piece and the secondary transverse connecting piece respectively.

[0010] Further, the main transverse connecting piece and the longitudinal connecting piece are both hollow structure, the main transverse connecting piece is provided with a longitudinal reinforcing plate, the left and right sides of the main transverse connecting piece are each provided with a longitudinal reinforcing plate; the longitudinal connecting piece is provided with a transverse reinforcing plate, the longitudinal connecting piece is provided with two transverse reinforcing plates arranged in two along the length direction of the longitudinal connecting piece, one of the transverse reinforcing plates is arranged at the connection position of the V-shaped connecting piece and the longitudinal connecting piece, and the other transverse reinforcing plate is arranged at the end of the longitudinal connecting piece towards the main transverse connecting piece.

[0011] Further, the third assembly includes longitudinal trusses and transverse end beams, the longitudinal trusses are arranged in the same direction as the length direction of the top frame, and the transverse end beams are arranged in the direction perpendicular to the longitudinal trusses; two transverse end beams are arranged at intervals, and the two transverse end beams are connected by the two longitudinal trusses arranged at intervals; the left and right sides of each transverse end beam are arranged on the top frame; two longitudinal trusses are arranged on the left and right sides of the transverse end beam, and each longitudinal truss is connected with the top frame.

[0012] Further, the bottom frame, the top frame and the side frame each include two longitudinal beams arranged in parallel, and one longitudinal beam is shared between the bottom frame and the side frame and between the top frame and the side frame; the two longitudinal beams on the bottom frame, the top frame and the side frame are connected by a plurality of cross beams and inclined beams.

[0013] Further, the conveying mechanism includes a conveying belt arranged on the telescopic arm, an upper protective cover arranged on the telescopic arm corresponding to the position above the conveying belt, and a lower protective cover arranged on the bottom frame corresponding to the position of the conveying belt.

[0014] Further, the discharging mechanism includes a guide cylinder arranged on the telescopic arm, a rotatable guide cover arranged in the guide cylinder, an inlet arranged at one end of the guide cylinder facing the conveying mechanism, and an outlet arranged at the other end of the guide cylinder; the guide cover is an arc-shaped structure, one end of the guide cover is arranged towards the inlet of the guide cylinder, and the other end of the guide cover is arranged towards the outlet of the guide cylinder.

[0015] Further, the discharging mechanism further includes a poking member, one end of the poking member is rotatably connected with the guide cover and the other end of the poking member extends out of the guide cylinder, and the guide cylinder is provided with a mounting hole for facilitating the movement of the poking member, and the mounting hole is in communication with the guide cylinder.

[0016] Compared with the prior art, the telescopic discharging arm for the ship loader has the following advantages:

[0017] The telescopic discharging arm for the ship loader adopts a modular design concept, and the structural design is more reasonable, so that the telescopic discharging arm can be divided into a plurality of independent module units, facilitating transportation, installation and maintenance, and the modular design also helps to reduce manufacturing cost and improve production efficiency, and ensures the balance between the overall structural strength and stability of the telescopic discharging arm. By arranging the mass of the first assembly to be smaller than the mass of the second assembly and arranging the third assembly at the end of the top frame in a staggered manner with the second assembly, the structural strength of the large arm frame can be further improved, the center of gravity of the large arm frame can be stabilized, and the stability of the large arm frame caused by the extension of the telescopic arm can be avoided. Under the condition that the overall mass of the discharging arm is not greatly increased, the balance between the overall structural strength and stability of the discharging arm can be realized, and the stable conveying of bulk materials can be facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which form a part of this patent, are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:

[0019] Figure 1 A structure schematic view of the telescopic unloading arm for ship loader according to the embodiment of the present application;

[0020] Figure 2 An internal structure schematic view of the material guiding cylinder in the telescopic unloading arm for ship loader according to the embodiment of the present application;

[0021] Figure 3 A structure schematic view of the large arm frame in the telescopic unloading arm for ship loader according to the embodiment of the present application;

[0022] Figure 4 A structure schematic view of the bottom frame in the telescopic unloading arm for ship loader according to the embodiment of the present application;

[0023] Figure 5 A structure schematic view of the first combined part in the telescopic unloading arm for ship loader according to the embodiment of the present application;

[0024] Figure 6 A structure schematic view of the second combined part in the telescopic unloading arm for ship loader according to the embodiment of the present application;

[0025] Figure 7 A structure schematic view of the third combined part in the telescopic unloading arm for ship loader according to the embodiment of the present application.

[0026] Brief Description of the Drawings:

[0027] 1, large arm frame; 2, telescopic arm; 3, material guiding cylinder; 4, third combined part; 5, bottom frame; 6, lower guard; 7, first combined part; 8, second combined part; 9, material guiding cover; 10, pushing member; 11, rotating shaft seat; 12, top frame; 13, side frame; 14, inclined support rod; 15, main transverse connecting member; 16, auxiliary transverse connecting member; 17, longitudinal connecting member; 18, V-shaped connecting member; 19, longitudinal reinforcing plate; 20, transverse reinforcing plate; 21, protruding part; 22, longitudinal truss; 23, transverse end beam. DETAILED DESCRIPTION

[0028] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0029] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0032] A telescopic unloading arm for a ship loader, such as Figures 1 to 7 As shown, the device includes a boom frame 1 and a telescopic boom 2. The telescopic boom 2 is slidably installed inside the boom frame 1 and is equipped with a conveying mechanism. One end of the telescopic boom 2 extending out of the boom frame 1 is equipped with a unloading mechanism that cooperates with the conveying mechanism. The boom frame 1 includes a lower base frame 5, an upper top frame 12, and two side frames 13 arranged on the left and right sides respectively. The base frame 5 is provided with a first assembly 7 and a second assembly 8 at intervals. The first assembly 7 is located on the end of the base frame 5 facing the unloading mechanism, and the second assembly 8 is located on the other end of the base frame 5. The mass of the first assembly 7 is less than the mass of the second assembly 8. The end of the top frame 12 is provided with a third assembly 4. The second assembly 8 and the third assembly 4 are staggered along the length of the base frame 5.

[0033] For example, the telescopic boom 2 can be installed inside the boom frame 1 by conventional means such as slide rails, so as to realize the telescopic boom 2 extending and retracting along the length of the boom frame 1 for material conveying, which will not be elaborated here.

[0034] In actual use, the first assembly 7 and the second assembly 8 are arranged on the base frame 5 at intervals, so that the structural strength of the base frame 5 is improved and the base frame 5 is prevented from being deformed. Meanwhile, the third assembly 4 is arranged at the open end of the top frame 12, so that a counterweight is formed at the end of the top frame 12 and the stability of the large arm frame 1 is improved. In addition, the mass of the first assembly 7 is less than the mass of the second assembly 8, and the third assembly 4 is arranged at the end of the top frame 12 and is arranged in a staggered manner with the second assembly 8, which is conducive to further improving the structural strength of the large arm frame 1, ensuring the stability of the center of gravity of the large arm frame 1, and preventing the stability of the large arm frame 1 from being reduced due to the extension of the telescopic arm 2. In the case of not greatly increasing the overall mass of the unloading arm, the balance between the overall structural strength and stability of the unloading arm can be achieved, which is conducive to the stable conveying of bulk materials.

[0035] Preferably, the first assembly 7 is an "open" type structural member, both left and right sides of two transverse ends of the first assembly 7 are connected with the base frame 5, both longitudinal ends are connected with the transverse end, and one end of the longitudinal end faces the unloading mechanism; the first assembly 7 is further provided with a diagonal brace 14 at a position corresponding to the connection of the transverse end and the longitudinal end, one end of the diagonal brace 14 is arranged on the first assembly 7, and the other end is connected with the base frame 5.

[0036] Illustratively, the first assembly 7 and the base frame 5 can be connected by welding or bolts and the like conventional ways, by adopting the "open" type structural member, the structural strength of the base frame 5 can be strengthened, and the "open" type first assembly 7 can realize lightweight design, which is conducive to controlling the mass of the first assembly 7 itself. In addition, the diagonal brace 14 and the first assembly 7 can also be connected by welding or bolts and the like conventional ways, by arranging the diagonal brace 14 at the position of the transverse end and the longitudinal end, and connecting the diagonal brace 14 with the base frame 5, not only the structural strength of the first assembly 7 itself can be improved, and the first assembly 7 can continuously and stably play a role in structural reinforcement of the base frame 5, but also the structural strength and stability of the connection between the first assembly 7 and the base frame 5 can be improved.

[0037] Preferably, the second assembly 8 comprises a main transverse connecting member 15, a secondary transverse connecting member 16 and a longitudinal connecting member 17, the main transverse connecting member 15 and the longitudinal connecting member 17 are both provided with a protrusion 21 below, the length direction of the main transverse connecting member 15 and the length direction of the secondary transverse connecting member 16 are perpendicular to the length direction of the longitudinal connecting member 17, and the length direction of the longitudinal connecting member 17 is the same as the length direction of the base frame 5; the left and right sides of the main transverse connecting member 15 are connected with the base frame 5, the secondary transverse connecting member 16 is arranged at intervals, the left and right sides of the two secondary transverse connecting members 16 are connected with the base frame 5, and the middle part of each secondary transverse connecting member 16 is connected with the main transverse connecting member 15 through two longitudinally arranged longitudinal connecting members 17.

[0038] Exemplarily, the second assembly 8 and the chassis 5 can be connected by welding or bolts or other conventional ways. By providing the protrusions 21 under the main transverse connecting members 15 and the longitudinal connecting members 17, the structural reinforcement portions can be formed under the second assembly 8, which is beneficial to improve the overall structural strength of the second assembly 8. Meanwhile, the second assembly 8 with the combined structure of the main transverse connecting members 15, the auxiliary transverse connecting members 16 and the longitudinal connecting members 17 can form a grid-like structure, which is beneficial to reduce the structural weight of the second assembly 8 and meet the quality control requirements.

[0039] In actual application, the V-shaped connecting members 18 are further provided on the longitudinal connecting members 17 and outwardly away from the chassis 5. The middle portions of the V-shaped connecting members 18 are arranged on the longitudinal connecting members 17, and the two oblique ends are connected with the main transverse connecting members 15 and the auxiliary transverse connecting members 16, respectively. Exemplarily, the V-shaped connecting members 18 can be connected with the longitudinal beam connecting members, the main transverse connecting members 15 and the auxiliary transverse connecting members 16 by welding or bolts or other conventional ways. By providing the V-shaped connecting members 18 for connecting the main transverse connecting members 15 and the auxiliary transverse connecting members 16 on each longitudinal connecting member 17, the end portions of the main transverse connecting members 15 and the auxiliary transverse connecting members 16 can be tightly fixed to prevent the deformation of the end portions, and the structural strength of the second assembly 8 can be further improved. Meanwhile, the V-shaped connecting members 18 can be connected with the chassis 5 by welding or bolts or other conventional ways, so as to improve the structural strength of the connection between the main transverse connecting members 15, the auxiliary transverse connecting members 16 and the chassis 5, and ensure that the second assembly 8 can continuously and stably play a structural reinforcement role on the chassis 5.

[0040] Preferably, the main transverse connecting members 15 and the longitudinal connecting members 17 are hollow structural members. The longitudinal reinforcing plates 19 are arranged in the main transverse connecting members 15, and two longitudinal reinforcing plates 19 are arranged on the left and right sides of the main transverse connecting members 15, respectively. The transverse reinforcing plates 20 are arranged on the longitudinal connecting members 17, and two transverse reinforcing plates 20 are arranged along the length direction of the longitudinal connecting members 17 at intervals. One of the transverse reinforcing plates 20 is arranged at the connection position between the V-shaped connecting member 18 and the longitudinal connecting member 17, and the other transverse reinforcing plate 20 is arranged at the end of the longitudinal connecting member 17 away from the main transverse connecting member 15.

[0041] Exemplarily, the longitudinal reinforcing plates 19 can be fixed on the main transverse connecting pieces 15 by welding or other conventional manners, and the transverse reinforcing plates 20 can be fixed on the longitudinal connecting pieces 17 by welding or other conventional manners. By adopting the hollow structure of the main transverse connecting pieces 15 and the longitudinal connecting pieces 17, the mass of the second combined part 8 can be controlled under the premise of ensuring the structural strength of the main transverse connecting pieces 15 and the longitudinal connecting pieces 17. By correspondingly arranging two longitudinal reinforcing plates 19 on the left and right sides of the main transverse connecting pieces 15, the connection between the main transverse connecting pieces 15 and the undercarriage 5 can be structurally reinforced, so as to avoid deformation of the main transverse connecting pieces 15. Similarly, by arranging two transverse reinforcing plates 20 on the longitudinal connecting pieces 17, the connection between the longitudinal connecting pieces 17 and the transverse connecting pieces, and the connection between the longitudinal connecting pieces 17 and the V-shaped connecting pieces 18 can be structurally reinforced, so as to prevent deformation or fracture of the above-mentioned connections.

[0042] Preferably, the third combined part 4 comprises longitudinal trusses 22 and transverse end beams 23, the length direction of the longitudinal trusses 22 is the same as the length direction of the top frame 12, and the length direction of the transverse end beams 23 is perpendicular to the length direction of the longitudinal trusses 22; two transverse end beams 23 are arranged at intervals, and the two transverse end beams 23 are connected by two longitudinal trusses 22 arranged at intervals, and the left and right sides of each transverse end beam 23 are arranged on the top frame 12; two longitudinal trusses 22 are arranged on the left and right sides of each transverse end beam 23, and each longitudinal truss 22 is connected with the top frame 12.

[0043] Exemplarily, the third combined part 4 can be fixed on the top frame 12 by welding or bolt or other conventional manners, and by adopting the combined form of the longitudinal trusses 22 and the transverse end beams 23, the structural strength of the end of the top frame 12 can be improved while the counterweight is realized. In addition, the accommodation gap for the operator or equipment to enter the large arm frame 1 can be formed between the longitudinal trusses 22 arranged at intervals, so as to facilitate subsequent maintenance and repair of the telescopic arm 2 and the equipment thereon.

[0044] Preferably, the undercarriage 5, the top frame 12 and the side frame 13 each comprise two longitudinal beams arranged in parallel, and one longitudinal beam is shared between the undercarriage 5 and the side frame 13 and between the top frame 12 and the side frame 13, and the two longitudinal beams on the undercarriage 5, the top frame 12 and the side frame 13 are connected by a plurality of transverse beams and inclined beams. Exemplarily, the transverse beams and the inclined beams can be fixed on the longitudinal beams by welding or other conventional manners, and by using the transverse beams and the inclined beams, the lightweight design can be realized, and the structural strength of the large arm frame 1 can be ensured.

[0045] Preferably, the conveying mechanism comprises a conveying belt (not shown in the figure) arranged on the telescopic arm 2, an upper protective cover (not shown in the figure) arranged on the telescopic arm 2 corresponding to the position above the conveying belt, and a lower protective cover 6 arranged on the base frame 5 corresponding to the position of the conveying belt. Exemplarily, the conveying belt can adopt an existing device, and the installation and power supply control mode will not be described here. The upper protective cover can be fixed on the telescopic arm 2 by a conventional method such as bolt, and the lower protective cover 6 can also be fixed on the base frame 5 by a conventional method such as bolt. By arranging the protective covers above and below the conveying belt, safety accidents caused by the falling of bulk materials can be avoided.

[0046] Preferably, the discharging mechanism comprises a guide cylinder 3 arranged on the telescopic arm 2, a rotatable guide cover 9 arranged in the guide cylinder 3, an inlet arranged at one end of the guide cylinder 3 facing the conveying mechanism, and an outlet arranged at the other end of the guide cylinder 3. The guide cover 9 is an arc-shaped structure, one end of the guide cover 9 is arranged towards the inlet of the guide cylinder 3, and the other end of the guide cover 9 is arranged towards the outlet of the guide cylinder 3. Exemplarily, the guide cylinder 3 can be installed on the telescopic arm 2 by a conventional method such as bolt, one end of the guide cylinder 3 is arranged towards the conveying belt on the telescopic arm 2, and the other end is arranged downwards. By arranging the guide cylinder 3 and the rotatable guide cover 9 in the guide cylinder 3, the bulk materials can be well guided, and the bulk materials can be prevented from spilling. The guide cover 9 can protect the inner wall of the guide cylinder 3, and the bulk materials can be guided to flow better to the outlet of the guide cylinder 3 by rotating adjustment.

[0047] In actual application, the discharging mechanism further comprises a poking member 10, one end of the poking member 10 extends into the guide cylinder 3 and is rotatably connected with the guide cover 9, the other end of the poking member 10 extends out of the guide cylinder 3, the guide cylinder 3 is provided with a mounting hole for facilitating the movement of the poking member 10, and the mounting hole is in communication with the guide cylinder 3. Exemplarily, the guide cover 9 can be rotatably installed on the guide cylinder 3 by a conventional method such as a rotating shaft, and the poking member 10 and the guide cover 9 can also be connected by a conventional method such as a rotating shaft. By arranging the poking member 10, when the guide cylinder 3 is blocked, the operator can also drive the guide cover 9 to rotate by using the poking member 10, and the guide cover 9 can be used to clean the blockage when it moves, which is beneficial to improve the reliability and stability of the telescopic discharging arm during operation.

[0048] In addition, in order to drive the guide cover 9 to rotate and adjust, a telescopic rod for driving the poking member 10 to move can also be arranged on the guide cylinder 3, the fixed end of the telescopic rod can be rotatably installed on the guide cylinder 3, and the telescopic end is rotatably connected with the poking member 10. Those skilled in the art can also use other devices to drive the poking member 10 to move, which will not be described here.

[0049] In an alternative embodiment, the guide cylinder 3 can also be provided with multiple guide cover 9 mounting positions along the length direction of the telescopic arm 2, for example, three rotating shaft seats 11 can be fixed at intervals to realize the rotating installation of the guide cover 9 on the guide cylinder 3. By arranging multiple guide cover 9 mounting positions at intervals, the angle of the guide cover 9 can be rotated according to actual needs, and the gap between the guide cover 9 and the conveying belt can also be adjusted according to actual needs, so as to realize the double adjustment of the angle and position of the guide cover 9, and ensure that the guide cover 9 can better guide the movement of the bulk material to the discharge port of the guide cylinder 3.

[0050] The telescopic unloading arm for a ship loader has a modular design concept, and the structural design is more reasonable, so that the telescopic unloading arm can be divided into a plurality of independent module units, transportation, installation and maintenance are facilitated, the modular design also helps to reduce manufacturing cost and improve production efficiency, and the balance between the overall structural strength and stability of the telescopic unloading arm is ensured. By setting the mass of the first assembly smaller than the mass of the second assembly, and setting the third assembly at the end of the top frame and being arranged in a staggered manner with the second assembly, the structural strength of the large arm frame is further improved, the center of gravity of the large arm frame is stabilized, and the stability of the large arm frame caused by the extension of the telescopic arm is avoided. Under the condition that the overall mass of the unloading arm is not greatly increased, the balance between the overall structural strength and stability of the unloading arm can be realized, and the stable conveying of the bulk material is facilitated.

[0051] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A telescopic discharge arm for a ship loader, comprising a main arm frame (1) and a telescopic arm (2) which is slidingly mounted in the main arm frame (1), the telescopic arm (2) being provided with a conveying mechanism, the end of the telescopic arm (2) which extends out of the main arm frame (1) being provided with a discharge mechanism which cooperates with the conveying mechanism, characterized in that: The big arm frame (1) includes the lower chassis (5), the upper roof (12) and the two side frames (13) corresponding arranged on the left and right sides, the first assembly (7) and the second assembly (8) are arranged on the chassis (5) in intervals, the first assembly (7) is arranged on the chassis (5) towards the unloading mechanism, the second assembly (8) is arranged corresponding to the other end of the chassis (5), the mass of the first assembly (7) is less than that of the second assembly (8), the end of the roof (12) is provided with the third assembly (4), and the second assembly (8) and the third assembly (4) are arranged in a staggered manner along the length direction of the chassis (5).

2. A telescopic spout for a ship loader as claimed in claim 1 wherein: The first assembly (7) is a "open" type structure, the left and right sides of the two transverse ends of the first assembly (7) are connected with the chassis (5), the two longitudinal ends are connected with the transverse end, and the other end is arranged towards the unloading mechanism; the first assembly (7) is further provided with a diagonal brace (14) corresponding to the position of the transverse end and the longitudinal end connection, one end of the diagonal brace (14) is arranged on the first assembly (7), and the other end is connected with the chassis (5).

3. A telescopic spout for a ship loader as claimed in claim 1 wherein: The second assembly (8) includes a main transverse connecting piece (15), a secondary transverse connecting piece (16) and a longitudinal connecting piece (17), the main transverse connecting piece (15) and the longitudinal connecting piece (17) are provided with a protruding portion (21) below, the length direction of the main transverse connecting piece (15) and the secondary transverse connecting piece (16) is perpendicular to the length direction of the longitudinal connecting piece (17), and the length direction of the longitudinal connecting piece (17) is the same as the length direction of the chassis (5); the left and right sides of the main transverse connecting piece (15) are connected with the chassis (5), the secondary transverse connecting piece (16) is arranged in intervals, the left and right sides of the two secondary transverse connecting pieces (16) are connected with the chassis (5), and the middle part of each secondary transverse connecting piece (16) is connected with the main transverse connecting piece (15) through two interval arranged longitudinal connecting pieces (17).

4. A telescopic spout for a ship loader as claimed in claim 3 wherein: The side of the longitudinal connecting piece (17) towards the outside of the chassis (5) is further provided with a V-shaped connecting piece (18), the middle part of the V-shaped connecting piece (18) is arranged on the longitudinal connecting piece (17), and the two inclined ends are connected with the main transverse connecting piece (15) and the secondary transverse connecting piece (16) respectively.

5. A telescopic spout for a ship loader as claimed in claim 4 wherein: The main transverse connecting piece (15) and the longitudinal connecting piece (17) are both hollow structure, the longitudinal reinforcing plate (19) is arranged in the main transverse connecting piece (15), the left and right sides of the main transverse connecting piece (15) are provided with two longitudinal reinforcing plates (19); the transverse reinforcing plate (20) is arranged on the longitudinal connecting piece (17), the two transverse reinforcing plates (20) are arranged in intervals along the length direction of the longitudinal connecting piece (17), one of the transverse reinforcing plates (20) is arranged corresponding to the connection between the V-shaped connecting piece (18) and the longitudinal connecting piece (17), and the other transverse reinforcing plate (20) is arranged corresponding to the end of the longitudinal connecting piece (17) towards the main transverse connecting piece (15).

6. A telescopic spout for a ship loader as claimed in claim 1 wherein: The third assembly (4) comprises longitudinal trusses (22) and transverse end beams (23), the length direction of the longitudinal trusses (22) is the same as the length direction of the top frame (12), and the length direction of the transverse end beams (23) is perpendicular to the length direction of the longitudinal trusses (22); two transverse end beams (23) are arranged at intervals, and the two transverse end beams (23) are connected by two longitudinal trusses (22) arranged at intervals, and the left and right sides of each transverse end beam (23) are arranged on the top frame (12); the left and right sides of the longitudinal trusses (22) correspond to the transverse end beams (23), and two longitudinal trusses (22) are arranged on the left and right sides of each transverse end beam (23), and each longitudinal truss (22) is connected with the top frame (12).

7. A telescopic spout for a ship loader according to any one of claims 1 to 6, characterised in that: The bottom frame (5), the top frame (12) and the side frame (13) each comprise two longitudinal beams arranged in parallel, and one longitudinal beam is shared between the bottom frame (5) and the side frame (13) and between the top frame (12) and the side frame (13), and the two longitudinal beams on the bottom frame (5), the top frame (12) and the side frame (13) are connected by a plurality of cross beams and inclined beams.

8. A telescopic spout for a ship loader as claimed in claim 1 wherein: The conveying mechanism comprises a conveying belt arranged on the telescopic arm (2), an upper protective cover is arranged on the telescopic arm (2) corresponding to the position above the conveying belt, and a lower protective cover (6) is arranged on the bottom frame (5) corresponding to the position of the conveying belt.

9. A telescopic spout for a ship loader as claimed in claim 1 wherein: The unloading mechanism comprises a guide cylinder (3) arranged on the telescopic arm (2), the guide cylinder (3) is provided with a rotatable guide cover (9) therein, one end of the guide cylinder (3) is provided with an inlet, and the other end is provided with an outlet; the guide cover (9) is an arc-shaped structure, one end of the guide cover (9) is arranged towards the inlet of the guide cylinder (3), and the other end is arranged towards the outlet of the guide cylinder (3).

10. A telescopic spout for a ship loader as claimed in claim 9 wherein: The unloading mechanism further comprises a poking member (10), one end of the poking member (10) is rotatably connected with the guide cover (9) and the other end of the poking member (10) extends out of the guide cylinder (3), the guide cylinder (3) is provided with a mounting hole for facilitating the movement of the poking member (10), and the mounting hole is in communication with the guide cylinder (3).

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