Mining crushing arm

Abstract

The utility model relates to a mining crushing arm which comprises a supporting seat, a crushing hammer assembly and a swingable connecting arm assembly, the two ends of the connecting arm assembly are connected with the supporting seat and the crushing hammer assembly respectively, a connecting seat is arranged between the connecting arm assembly and the crushing hammer assembly, one end of the connecting seat is connected with the crushing hammer assembly, and the other end of the connecting seat is hinged to the connecting arm assembly. The connecting base is located on one side of the middle of the breaking hammer assembly, and a pendulum bob oil cylinder is arranged between the connecting base and the connecting arm assembly. The mining crushing arm has the following advantages that due to the design of the connecting base, the crushing hammer assembly can be conveniently installed, maintained and replaced, the pendulum bob oil cylinder does not need to be detached when the crushing hammer assembly is detached, it is guaranteed that the pendulum bob oil cylinder accurately controls the swing angle of the crushing hammer assembly, the swing angle does not need to be corrected again after the crushing hammer is detached, and the service life of the crushing arm is prolonged. And meanwhile, the connecting base is located on one side of the middle of the breaking hammer assembly, lifting is easy, the breaking hammer can face all directions, and breaking operation in tunnels and mine holes is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining equipment technical field, in particular to a mining crushing arm. BACKGROUND

[0002] The hydraulic crushing equipment can effectively complete the crushing operation on the rock by the pressure oil provided by the pump station of the excavator or the loader, and has the advantages of flexibility, precision and high efficiency, and is widely used in tunnel construction, mining, railway, highway, municipal garden, house building and other engineering.

[0003] In the prior art, a small arm lower oil cylinder crushing arm is disclosed in Chinese utility model patent publication No. CN 219638002 U, which comprises a rotary support, a chassis assembly is installed on the rotary support, a main arm is rotatably installed on the top of the chassis assembly, a movable arm assembly is installed between the middle part of the inner side of the main arm and the chassis assembly, a small arm is rotatably installed at the top end of the main arm, a middle cylinder assembly is installed between the middle part of the small arm and the middle part of the main arm, a crushing hammer is rotatably installed at the front end of the small arm, a small arm assembly is installed on the small arm, and a bucket oil cylinder is installed on the middle part of the small arm. The other end of the bucket oil cylinder is connected with the crushing hammer through a connecting rod, and a hammer rod is installed on the crushing hammer. However, the crushing hammer is prone to damage during work, which is more troublesome to replace and affects the operation efficiency. UTILITY MODEL CONTENTS

[0004] The purpose of the present application is to provide a mining crushing arm which can conveniently replace the crushing hammer.

[0005] The technical scheme adopted by the present application is as follows: a mining crushing arm comprises a support seat, a crushing hammer assembly and a swingable connecting arm assembly, the two ends of the connecting arm assembly are connected with the support seat and the crushing hammer assembly respectively, a connecting seat is arranged between the connecting arm assembly and the crushing hammer assembly, one end of the connecting seat is connected with the crushing hammer assembly, and the other end is hinged with the connecting arm assembly, the connecting seat is located on one side of the middle part of the crushing hammer assembly, a pendulum hammer oil cylinder is arranged between the connecting seat and the connecting arm assembly, one end of the pendulum hammer oil cylinder is hinged with the connecting seat, and the other end is hinged with the connecting arm assembly.

[0006] Compared with the prior art, the connecting seat has the advantages of convenient installation, maintenance and replacement of the crushing hammer assembly, and the hinged point of the extension end of the pendulum hammer oil cylinder does not need to be disassembled when the crushing hammer assembly is disassembled and assembled, which ensures the accurate control of the swing angle of the pendulum hammer oil cylinder on the crushing hammer assembly, and the swing angle does not need to be rechecked after the crushing hammer is disassembled and assembled, only the bolts need to be disassembled and assembled, which is convenient, and the connecting seat is located on one side of the middle part of the crushing hammer assembly, which is easy to lift and beneficial to the crushing hammer facing all directions, facilitating the crushing operation in the tunnel and the mine.

[0007] In some embodiments of this application, the hydraulic breaker assembly includes a left side plate, a right side plate, and a hydraulic breaker, with the hydraulic breaker located between the left side plate and the right side plate, and the left side plate and the right side plate being connected by bolts.

[0008] Furthermore, both the left and right side plates are provided with reinforcing plates; the reinforcing plates include a horizontal plate and two vertical plates, with the two ends of the horizontal plate connected to the two vertical plates respectively, and the breaker hammer is provided with a groove, with the horizontal plate cooperating with the groove.

[0009] Furthermore, both the left and right side plates are provided with an outwardly folded first folded edge, which is located on the side facing the connecting seat. The connecting seat includes a hinge plate and a mounting plate, and the first folded edge is connected to the mounting plate by bolts. A first reinforcing rib is provided between the first folded edge and the outer surface of the left side plate and between the first folded edge and the outer surface of the right side plate. A second reinforcing rib is provided between the mounting plate and the hinge plate.

[0010] Furthermore, an observation window is provided between the left and right side plates, and the observation window is located on the side away from the connecting arm assembly; the breaker assembly also includes a top plate, and the top of both the left and right side plates are provided with outwardly folded second edges, which are connected to the top plate by bolts.

[0011] In some embodiments of this application, the connecting arm assembly includes an inner arm, an outer arm, an inner arm cylinder, and an outer arm cylinder. The two ends of the outer arm are respectively hinged to the connecting seat and the inner arm, and the other end of the inner arm is hinged to the support seat. One end of the outer arm cylinder is hinged to the outer arm and the other end is hinged to the inner arm. One end of the inner arm cylinder is hinged to the inner arm and the other end is hinged to the support seat. One end of the pendulum cylinder is hinged to the outer arm.

[0012] Furthermore, the outer arm has a first connecting plate at one end facing the inner arm, and the two sides of the first connecting plate are respectively hinged to the outer arm cylinder and the inner arm; the first connecting plate is symmetrically arranged relative to the outer arm.

[0013] Furthermore, a second connecting plate is provided at one end of the inner arm facing the outer arm, and the two sides of the second connecting plate are respectively hinged to the inner arm cylinder and the outer arm; the second connecting plate is symmetrically arranged relative to the inner arm.

[0014] Furthermore, a third connecting plate is provided at one end of the inner arm facing the support seat, and the third connecting plate is hinged to the outer arm cylinder; the third connecting plate is symmetrically arranged relative to the inner arm; the inner arm cylinder and the outer arm cylinder are located on the upper and lower sides of the inner arm, respectively.

[0015] In some embodiments of this application, a swing cylinder is also included. The support base is provided with a pivot hole, and the swing cylinders are symmetrically arranged on the left and right sides of the pivot hole. One end of the swing cylinder is hinged to the support base. The extension direction of the swing cylinder is parallel to the length direction of the connecting arm assembly. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of this utility model. Figure One ;

[0017] Figure 2 This is a schematic diagram of the structure of Embodiment 1 of this utility model. Figure Two ;

[0018] Figure 3 This is a top view of Embodiment 1 of this utility model;

[0019] Figure 4 This is an exploded view of the hydraulic breaker assembly of Embodiment 1 of this utility model.

[0020] In the diagram: 1. Support base; 2. Hydraulic breaker assembly; 3. Connecting arm assembly; 4. Connecting seat; 5. Pendulum cylinder; 6. Left side plate; 7. Right side plate; 8. Hydraulic breaker; 9. Reinforcing plate; 10. Horizontal plate; 11. Vertical plate; 12. Groove; 13. First folded edge; 14. Hinge plate; 15. Mounting plate; 16. First reinforcing rib; 17. Second reinforcing rib; 18. Observation window; 19. Top plate; 20. Second folded edge; 21. Inner arm; 22. Outer arm; 23. Inner arm cylinder; 24. Outer arm cylinder; 25. First connecting plate; 26. Second connecting plate; 27. Third connecting plate; 28. Swing cylinder; 29. ​​Rotary shaft hole. Detailed Implementation

[0021] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0022] Example 1:

[0023] This embodiment provides a mining crushing arm, such as Figure 1 As shown, the assembly includes a support base 1, a hydraulic breaker assembly 2, and a swingable connecting arm assembly 3. Both ends of the connecting arm assembly 3 are connected to the support base 1 and the hydraulic breaker assembly 2, respectively. A connecting seat 4 is provided between the connecting arm assembly 3 and the hydraulic breaker assembly 2. One end of the connecting seat 4 is connected to the hydraulic breaker assembly 2, and the other end is hinged to the connecting arm assembly 3. The connecting seat 4 is located on one side of the middle of the hydraulic breaker assembly 2. A pendulum cylinder 5 is provided between the connecting seat 4 and the connecting arm assembly 3. One end of the pendulum cylinder 5 is hinged to the connecting seat 4, and the other end is hinged to the connecting arm assembly 3. The connecting seat 4 and the hydraulic breaker assembly 2 are fixedly connected by bolts.

[0024] The design of the connecting seat 4 facilitates the installation, maintenance and replacement of the hydraulic breaker assembly 2. Disassembling and assembling the hydraulic breaker assembly 2 does not require disassembling the hinge point at the extended end of the pendulum cylinder 5, ensuring that the pendulum cylinder 5 accurately controls the swing angle of the hydraulic breaker assembly 2. After disassembling and assembling the hydraulic breaker 8, there is no need to readjust the swing angle. It does not involve the insertion and removal of the pin, but only the removal and installation of the bolts, making disassembly and assembly convenient. At the same time, the connecting seat 4 is located on one side of the middle of the hydraulic breaker assembly 2, which makes it easy to lift and allows the hydraulic breaker 8 to be oriented in various directions, which is convenient for crushing operations in tunnels and mines.

[0025] To ensure the reliability of the hydraulic breaker assembly 2, the assembly includes a left side plate 6, a right side plate 7, and a hydraulic breaker 8. The hydraulic breaker 8 is located between the left side plate 6 and the right side plate 7, which are connected by bolts. The left side plate 6 and the right side plate 7 form a frame structure to fix the hydraulic breaker 8 and also protect it, improving its protection and preventing damage from rock fragments during crushing operations, thus extending its service life.

[0026] To improve strength, both the left side plate 6 and the right side plate 7 are provided with reinforcing plates 9, which can improve the structural strength of the side plates. The reinforcing plate 9 includes a horizontal plate 10 and two vertical plates 11. The two ends of the horizontal plate 10 are connected to the two vertical plates 11 respectively. The breaker hammer 8 is provided with a groove 12. The horizontal plate 10 cooperates with the groove 12, which has a good fixing effect on the breaker hammer 8. The horizontal plate 10 is inserted into the groove 12, which can prevent the breaker hammer 8 from moving up and down. The reinforcing plate 9 is H-shaped in general. The vertical plates 11 can be used to improve the structural strength of the side plates and also to improve the fixing strength of the bolts. The bolts are inserted on the vertical plates 11, which has high fixing strength and the connection position is close to the breaker hammer 8, which has a good fixing effect on the breaker hammer 8.

[0027] To facilitate connection, both the left side plate 6 and the right side plate 7 are provided with an outwardly folded first flange 13. The first flange 13 is located on the side facing the connecting seat 4. The connecting seat 4 includes a hinge plate 14 and a mounting plate 15. The first flange 13 and the mounting plate 15 are connected by bolts. The hinge plate 14 is used to hinge with the pendulum cylinder 5 and the outer arm 22. The first flange 13 facilitates close connection with the mounting plate 15 and improves the strength of the left side plate 6 and the right side plate 7. Since the first flange 13 is located on the outside and the hinge plate 14 is located on the inside of the mounting plate 15, the bolts are on the outside, which facilitates bolt connection. A first reinforcing rib 16 is provided between the first flange 13 and the outer surface of the left side plate 6 and between the first flange 13 and the outer surface of the right side plate 7. The first reinforcing rib 16 is used to improve the structural strength at the first flange 13. A second reinforcing rib 17 is provided between the mounting plate 15 and the hinge plate 14. The second reinforcing rib 17 is used to improve the connection strength between the mounting plate 15 and the hinge plate 14.

[0028] For easy observation, an observation window 18 is provided between the left side plate 6 and the right side plate 7. The observation window 18 is located on the side away from the connecting arm assembly 3. The observation window 18 makes it easy to observe the status of the breaker hammer 8, while saving materials and reducing the overall weight of the breaker hammer assembly 2. The breaker hammer assembly 2 also includes a top plate 19. The top of the left side plate 6 and the top of the right side plate 7 are provided with outwardly folded second folded edges 20. The second folded edges 20 are connected to the top plate 19 by bolts. The top plate 19 is used to connect the top of the left side plate 6 and the top of the right side plate 7, improving the connection strength between the left side plate 6 and the right side plate 7. At the same time, the top plate 19 plays a protective role at the top, preventing falling rocks from the top of the mine from falling into the interior and ensuring the stable operation of the breaker hammer 8.

[0029] To ensure reliable operation of the connecting arm assembly 3, the assembly includes an inner arm 21, an outer arm 22, an inner arm cylinder 23, and an outer arm cylinder 24. Both ends of the outer arm 22 are hinged to the connecting seat 4 and the inner arm 21, respectively. The other end of the inner arm 21 is hinged to the support seat 1. One end of the outer arm cylinder 24 is hinged to the outer arm 22, and the other end is hinged to the inner arm 21. One end of the inner arm cylinder 23 is hinged to the inner arm 21, and the other end is hinged to the support seat 1. One end of the pendulum cylinder 5 is hinged to the outer arm 22. The entire assembly adopts a three-cylinder, double-arm structure, ensuring reliable movement of the connecting arm assembly 3 and the breaker assembly 2.

[0030] For reliable connection, a first connecting plate 25 is provided on one end of the outer arm 22 facing the inner arm 21. The two sides of the first connecting plate 25 are hinged to the outer arm cylinder 24 and the inner arm 21, respectively. The first connecting plate 25 is symmetrically arranged relative to the outer arm 22. In this embodiment, the first connecting plate 25 is welded to the outer arm 22. The two sides of the first connecting plate 25 extend out of the outer arm 22. The pendulum cylinder 5 is located between the two first connecting plates 25.

[0031] For reliable connection, a second connecting plate 26 is provided on one end of the inner arm 21 facing the outer arm 22. The two sides of the second connecting plate 26 are hinged to the inner arm cylinder 23 and the outer arm 22, respectively. The second connecting plate 26 is symmetrically arranged relative to the inner arm 21. In this embodiment, the second connecting plate 26 is welded to the inner arm 21; part of the second connecting plate 26 extends out of the inner arm 21; the inner arm cylinder 23 is located between the two second connecting plates 26.

[0032] For reliable connection, a third connecting plate 27 is provided on the end of the inner arm 21 facing the support base 1. The third connecting plate 27 is hinged to the outer arm cylinder 24. The third connecting plate 27 is symmetrically arranged relative to the inner arm 21. The inner arm cylinder 23 and the outer arm cylinder 24 are located on the upper and lower sides of the inner arm 21, respectively. The pendulum cylinder 5 is located on the side of the outer arm 22 away from the support base 1. In this embodiment, the third connecting plate 27 is welded to the inner arm 21; part of the third connecting plate 27 extends out of the inner arm 21; the outer arm cylinder 24 is located between the two third connecting plates 27. The entire connecting arm assembly 3 has a compact structure, reducing cost and weight.

[0033] To facilitate left and right swinging, a swing cylinder 28 is also included. The support base 1 has a pivot hole 29, and the swing cylinders 28 are symmetrically arranged on the left and right sides of the pivot hole 29. One end of the swing cylinder 28 is hinged to the support base 1; the extension direction of the swing cylinder 28 is parallel to the length direction of the connecting arm assembly 3. The swing cylinder 28 is used to drive the support base 1 to rotate left and right, thereby causing the breaker 8 to swing left and right. The pivot hole 29 is used to connect to the mounting shaft on the chassis for easy rotation. The other end of the swing cylinder 28 is connected to the chassis, allowing the swing cylinder 28 to extend or retract towards the support base 1. In use, one side of the swing cylinder 28 extends, and the other side retracts, causing the support base 1 to rotate around the pivot hole 29, completing the swinging motion. Of course, only one swing cylinder 28 can be used.

[0034] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A mining breaker arm, comprising a support base (1), a breaker hammer assembly (2), and a swingable connecting arm assembly (3), wherein both ends of the connecting arm assembly (3) are respectively connected to the support base (1) and the breaker hammer assembly (2), characterized in that, A connecting seat (4) is provided between the connecting arm assembly (3) and the breaker assembly (2). One end of the connecting seat (4) is connected to the breaker assembly (2), and the other end is hinged to the connecting arm assembly (3). The connecting seat (4) is located on one side of the middle part of the breaker assembly (2). A pendulum cylinder (5) is provided between the connecting seat (4) and the connecting arm assembly (3). One end of the pendulum cylinder (5) is hinged to the connecting seat (4), and the other end is hinged to the connecting arm assembly (3).

2. A mining crusher arm according to claim 1, characterized in that: The hydraulic breaker assembly (2) includes a left side plate (6), a right side plate (7) and a hydraulic breaker (8). The hydraulic breaker (8) is located between the left side plate (6) and the right side plate (7), and the left side plate (6) and the right side plate (7) are connected by bolts.

3. A mining crusher arm according to claim 2, characterized in that: The left side plate (6) and the right side plate (7) are both provided with reinforcing plates (9); the reinforcing plates (9) include a horizontal plate (10) and two vertical plates (11), the two ends of the horizontal plate (10) are respectively connected to the two vertical plates (11), and the breaker hammer (8) is provided with a groove (12), the horizontal plate (10) and the groove (12) are matched.

4. A mining crusher arm according to claim 3, characterized in that: Both the left side plate (6) and the right side plate (7) are provided with an outwardly folded first folded edge (13). The first folded edge (13) is located on the side facing the connecting seat (4). The connecting seat (4) includes a hinge plate (14) and a mounting plate (15). The first folded edge (13) and the mounting plate (15) are connected by bolts. The first folded edge (13) is provided with a first reinforcing rib (16) between the first folded edge (13) and the outer surface of the left side plate (6) and between the first folded edge (13) and the outer surface of the right side plate (7). The mounting plate (15) and the hinge plate (14) are provided with a second reinforcing rib (17).

5. A mining crusher arm according to claim 2, characterized in that: An observation window (18) is provided between the left side plate (6) and the right side plate (7), and the observation window (18) is located on the side away from the connecting arm assembly (3); the breaker assembly (2) also includes a top plate (19), and the top of the left side plate (6) and the top of the right side plate (7) are provided with outwardly folded second folded edges (20), and the second folded edges (20) are connected to the top plate (19) by bolts.

6. A mining crusher arm according to claim 1, characterized in that: The connecting arm assembly (3) includes an inner arm (21), an outer arm (22), an inner arm cylinder (23), and an outer arm cylinder (24). The two ends of the outer arm (22) are hinged to the connecting seat (4) and the inner arm (21) respectively. The other end of the inner arm (21) is hinged to the support seat (1). One end of the outer arm cylinder (24) is hinged to the outer arm (22), and the other end is hinged to the inner arm (21). One end of the inner arm cylinder (23) is hinged to the inner arm (21), and the other end is hinged to the support seat (1). One end of the pendulum cylinder (5) is hinged to the outer arm (22).

7. A mining crusher arm according to claim 6, characterized in that: The outer arm (22) is provided with a first connecting plate (25) at one end facing the inner arm (21). The two sides of the first connecting plate (25) are respectively hinged to the outer arm cylinder (24) and the inner arm (21); the first connecting plate (25) is symmetrically arranged relative to the outer arm (22).

8. A mining crusher arm according to claim 6, characterized in that: The inner arm (21) is provided with a second connecting plate (26) at one end facing the outer arm (22). The two sides of the second connecting plate (26) are respectively hinged to the inner arm cylinder (23) and the outer arm (22); the second connecting plate (26) is symmetrically arranged relative to the inner arm (21).

9. A mining crusher arm according to claim 6, characterized in that: The inner arm (21) is provided with a third connecting plate (27) at one end facing the support seat (1), and the third connecting plate (27) is hinged to the outer arm cylinder (24); the third connecting plate (27) is symmetrically arranged relative to the inner arm (21); the inner arm cylinder (23) and the outer arm cylinder (24) are located on the upper and lower sides of the inner arm (21) respectively.

10. A mining crusher arm according to claim 1, characterized in that: It also includes a swing cylinder (28), and the support base (1) is provided with a rotating shaft hole (29). The swing cylinder (28) is symmetrically arranged on the left and right sides of the rotating shaft hole (29). One end of the swing cylinder (28) is hinged to the support base (1). The extension direction of the swing cylinder (28) is parallel to the length direction of the connecting arm assembly (3).

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