Rock drill folding working arm with external shield

Abstract

The utility model belongs to the technical field of folding working arms, and particularly relates to a rock drill folding working arm with an external shield, which comprises a connecting arm, the top end of the connecting arm is rotatably connected with a supporting arm, the top end of the supporting arm is rotatably connected with a butt-joint arm, and the end part of the butt-joint arm is connected with a mounting arm. According to the utility model, the protective cover is matched with the locking bolt, so that the protective cover can be stably fixed on the side walls of the supporting arm and the butt joint arm. By means of the design, pipelines and circuits outside the supporting arm and the butt joint arm can be effectively protected and prevented from being excessively exposed. In the working process of the rock drill, splashed rock fragments are extremely prone to impacting a pipeline or a line on the outer wall of a working arm, then damage such as water pipe breakage, hydraulic pipe oil leakage or electric line short circuit is caused, normal operation of the rock drill is seriously affected, and even safety accidents can be possibly caused. And due to the arrangement of the protective cover, the risk can be remarkably reduced, and stable operation of the rock drill is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of folding working arm, and particularly relates to a rock drill folding working arm with external shield. BACKGROUND

[0002] In the practical application of the rock drill, the folding working arm, as an important mechanical device, plays a key role. Through the folding mechanical structure, it can flexibly adjust the working angle of the rock drill, greatly improving the adaptability and efficiency of the rock drilling operation. The connecting arm of the folding working arm is stably installed on the frame, and the mounting arm is closely connected with the rock drill, and the flexible movement and folding function of the working arm are realized by means of the driving of the hydraulic cylinder, so as to meet the operation requirements under different working conditions.

[0003] However, it is worth noting that the outer wall of the folding working arm is usually arranged with various pipelines and lines, such as water pipes, hydraulic pipes and electrical lines. These pipelines and lines are crucial for the normal operation of the rock drill, but they face many potential risks during the rock drilling operation. Especially when the rock drill is working, a large amount of rock splashes will be produced, and once the high-speed splashing rock fragments hit the pipelines or lines on the outer wall of the working arm, damage will easily occur, such as water pipe rupture, hydraulic pipe oil leakage or electrical line short circuit, which will affect the normal operation of the rock drill, and even cause safety accidents. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a rock drill folding working arm with external shield, which aims at solving the problem that the outer wall of the existing folding working arm is usually arranged with various pipelines and lines, such as water pipes, hydraulic pipes and electrical lines. These pipelines and lines are crucial for the normal operation of the rock drill, but they face many potential risks during the rock drilling operation. Especially when the rock drill is working, a large amount of rock splashes will be produced, and once the high-speed splashing rock fragments hit the pipelines or lines on the outer wall of the working arm, damage will easily occur, such as water pipe rupture, hydraulic pipe oil leakage or electrical line short circuit, which will affect the normal operation of the rock drill, and even cause safety accidents.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A rock drill folding working arm with external protective cover, connecting arm, the top end of connecting arm is rotatably connected with support arm, the top end of support arm is rotatably connected with butt joint arm, the end of butt joint arm is connected with installation arm, the surface of connecting arm, support arm, butt joint arm and installation arm is rotatably connected with hydraulic cylinder, the lateral wall of support arm and butt joint arm is provided with protective cover, the outer wall of protective cover is connected with mounting lug, the end surface of protective cover close to mounting lug is provided with groove, the inside of groove is connected with rubber pad, the inner wall of protective cover is screwed and is connected with fixed bolt, the surface of mounting lug is connected with ring block, the inner wall of ring block is connected with sealing gasket, the surface of mounting lug is screwed and is connected with locking bolt.

[0006] As the utility model a rock drill folding working arm with external protective cover preferably, protective cover is metal material, protective cover is 'Fang' character shape.

[0007] As the utility model a rock drill folding working arm with external protective cover preferably, protective cover is detachable connection with the lateral wall of support arm and butt joint arm through locking bolt and mounting lug.

[0008] As the utility model a rock drill folding working arm with external protective cover preferably, rubber pad can be detachable fixed connection with protective cover through groove and fixed bolt.

[0009] As the utility model a rock drill folding working arm with external protective cover preferably, protective cover can be sealed connection with the lateral wall of support arm and butt joint arm through rubber pad.

[0010] As the utility model a rock drill folding working arm with external protective cover preferably, sealing gasket is annular, the outer diameter of sealing gasket and the inner diameter size of ring block are adapted.

[0011] As the utility model a rock drill folding working arm with external protective cover preferably, locking bolt can be sealed connection with ring block through sealing gasket.

[0012] Compared with prior art, the utility model has the advantages of:

[0013] The protection cover can be stably fixed to the side walls of the support arm and the butt joint arm through the cooperation of the protection cover and the locking bolt, which can effectively protect the pipelines and lines outside the support arm and the butt joint arm from being exposed too much, so that the pipelines and lines outside the support arm and the butt joint arm are prevented from being damaged by flying rock fragments during the operation of the rock drill, and the normal operation of the rock drill is ensured.

[0014] When the protection cover is connected to the side walls of the support arm and the butt joint arm through the locking bolt, the rubber pad can seal the gap at the connection position, so that dust and other impurities are prevented from entering, and the influence of the vibration generated by the rock drill during the operation on the connection between the protection cover and the support arm and the butt joint arm is reduced, so that the stability of the connection is ensured. The ring block and the sealing pad can further seal the gap between the locking bolt and the mounting ear when the locking bolt is connected to the support arm and the butt joint arm through the mounting ear, so that dust is prevented from entering and affecting the subsequent disassembly of the locking bolt, thereby prolonging the service life of the equipment and reducing the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application. In the drawings:

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0017] Figure 2 It is a protection cover structure schematic diagram of the present application;

[0018] Figure 3 It is a protection cover back view structure schematic diagram of the present application;

[0019] Figure 4 It is a protection cover back view structure schematic diagram of the present application; Figure 3

[0020] Figure 5 It is a protection cover back view structure schematic diagram of the present application; Figure 2

[0021] In the drawings: 1, connecting arm; 2, support arm; 3, butt joint arm; 4, mounting arm; 5, hydraulic cylinder; 6, protection cover; 7, mounting ear; 8, groove; 9, rubber pad; 10, fixing bolt; 11, locking bolt; 12, ring block; 13, sealing pad. DETAILED DESCRIPTION

[0022] ​​Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of the utility model protection.

[0023] Please refer to Figures 1-5 The utility model provides the following technical scheme: a rock drill folding working arm with external shield, including connecting arm 1, the top of connecting arm 1 is rotatably connected with support arm 2, the top of support arm 2 is rotatably connected with butt joint arm 3, the end of butt joint arm 3 is connected with installation arm 4, the surface of connecting arm 1, support arm 2, butt joint arm 3 and installation arm 4 are all rotatably connected with hydraulic cylinder 5, the side wall of support arm 2 and butt joint arm 3 is provided with protective cover 6, the outer wall of protective cover 6 is connected with mounting lug 7, the end surface of protective cover 6 close to mounting lug 7 is provided with recess 8, the inside of recess 8 is connected with rubber pad 9, the inner wall of protective cover 6 is screw through connected with fixed bolt 10, the surface of mounting lug 7 is connected with ring block 12, the inner wall of ring block 12 is connected with sealing gasket 13, the surface of mounting lug 7 is screw through connected with locking bolt 11.

[0024] Specific use, folding working arm is mainly composed of connecting arm 1, support arm 2, butt joint arm 3, installation arm 4 and hydraulic cylinder 5.In actual application scene, connecting arm 1 is stably installed on the frame, and installation arm 4 is fixedly connected with rock drill.Afterwards, the activity of folding working arm is controlled through hydraulic cylinder 5, so that the angle of rock drill can be flexibly changed, and then work is carried out smoothly.

[0025] Preferably: protective cover 6 is metal material, and protective cover 6 is in the shape of "Fang" character.Protective cover 6 is detachably connected with the side wall of support arm 2 and butt joint arm 3 through locking bolt 11 and mounting lug 7.Rubber pad 9 can be detachably fixedly connected with protective cover 6 through recess 8 and fixed bolt 10.Protective cover 6 can be sealingly connected with the side wall of support arm 2 and butt joint arm 3 through rubber pad 9.Sealing gasket 13 is annular, and the outer diameter of sealing gasket 13 is adapted to the inner diameter of ring block 12.Locking bolt 11 can be sealingly connected with ring block 12 through sealing gasket 13.

[0026] In specific use, the protective cover 6 is made of metal material, which has the characteristics of effectively resisting the impact of flying rocks, reducing the risk of cracking, and improving the stability of the overall use. In the actual assembly process, the operator firmly installs the protective cover 6 on the side wall of the support arm 2 and the docking arm 3 through the locking bolt 11. In this way, the pipelines and lines outside the support arm 2 and the docking arm 3 are effectively shielded, avoiding excessive exposure. When the rock drill is working, the flying rock fragments will not easily hit the pipelines or lines on the outer wall of the working arm, thereby avoiding potential damage such as water pipe rupture, hydraulic pipe oil leakage, or electrical line short circuit, ensuring the normal operation of the rock drill and effectively reducing the risk of safety accidents.

[0027] Further, when the protective cover 6 is connected to the support arm 2 and the docking arm 3 through the locking bolt 11, the operator will first assemble the rubber pad 9 in place, specifically by inserting it into the pre-provided groove 8 and fastening it with the fixing bolt 10. In this way, when the protective cover 6 is connected to the support arm 2 and the docking arm 3, the rubber pad 9 can play a role in sealing the gap at the connection, effectively preventing dust and other impurities from entering. At the same time, the elastic properties of the rubber pad 9 can also buffer the vibrations generated during the operation of the rock drill, reducing the impact on the connection between the protective cover 6 and the support arm 2 and the docking arm 3, ensuring the stability and reliability of the connection.

[0028] Finally, when the locking bolt 11 is connected to the support arm 2 and the docking arm 3 through the mounting ear 7, the sealing gasket 13 will play its sealing role, tightly fitting the gap between the locking bolt 11 and the mounting ear 7, preventing dust from penetrating. This design not only ensures the connection effect of the locking bolt 11, but also facilitates subsequent disassembly and assembly work, thereby prolonging the service life of the equipment and reducing maintenance costs.

[0029] Working principle: First, the operator assembles the rubber pad 9 into the groove 8 of the protective cover 6 and fastens it firmly with the fixing bolt 10. Then, the protective cover 6 is tightly connected to the support arm 2 and the docking arm 3 through the locking bolt 11.

[0030] After the connection is completed, the rubber pad 9 plays a key role in effectively sealing the gap at the connection, preventing dust and other impurities from entering, thereby ensuring the cleanliness and safety of the internal components. At the same time, the elastic properties of the rubber pad 9 can buffer the vibrations generated during the operation of the rock drill, reducing the impact on the connection between the protective cover 6 and the support arm 2 and the docking arm 3, ensuring the stability and reliability of the connection.

[0031] In addition, the sealing gasket 13 tightly fits the gap between the locking bolt 11 and the mounting ear 7, forming an effective dust barrier to prevent dust from penetrating and affecting the connection effect of the locking bolt 11, and facilitating subsequent disassembly and assembly work. This design not only prolongs the service life of the equipment, but also reduces maintenance costs.

[0032] After the protective cover 6 is assembled, the pipelines and lines outside the support arm 2 and the docking arm 3 are effectively shielded, avoiding excessive exposure. During the operation of the rock drill, the flying rock fragments cannot easily hit the pipelines or lines on the outer wall of the working arm, thereby avoiding potential damage such as water pipe rupture, hydraulic pipe oil leakage, or electrical line short circuit, ensuring the normal operation of the rock drill and significantly reducing the risk of safety accidents.

[0033] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A rock drill folding working arm with an outer shroud, comprising a connecting arm (1), characterized in that: The top end of the connecting arm (1) is rotationally connected with a supporting arm (2), the top end of the supporting arm (2) is rotationally connected with a docking arm (3), the end of the docking arm (3) is connected with a mounting arm (4), the surfaces of the connecting arm (1), the supporting arm (2), the docking arm (3) and the mounting arm (4) are all rotationally connected with hydraulic cylinders (5); The side walls of the supporting arm (2) and the docking arm (3) are provided with protective covers (6), the outer walls of the protective covers (6) are connected with mounting ears (7), the end surfaces of the protective covers (6) close to the mounting ears (7) are provided with grooves (8), the interiors of the grooves (8) are connected with rubber pads (9), the inner walls of the protective covers (6) are threadedly penetrated with fixing bolts (10), the surfaces of the mounting ears (7) are connected with ring blocks (12), the inner walls of the ring blocks (12) are connected with sealing pads (13), and the surfaces of the mounting ears (7) are threadedly penetrated with locking bolts (11).

2. A rock drill folding working arm with an outer shroud according to claim 1, characterized in that: The protective cover (6) is made of metal and has a " " shape.

3. A rock drill folding working arm with an outer shroud according to claim 1, characterized in that: The protective cover (6) is detachably connected with the side walls of the supporting arm (2) and the docking arm (3) through the locking bolts (11) and the mounting ears (7).

4. A rock drill folding working arm with an outer shroud according to claim 1, characterized in that: The rubber pad (9) is detachably fixedly connected with the protective cover (6) through the groove (8) and the fixing bolt (10).

5. A rock drill folding working arm with an outer shroud according to claim 1, characterized in that: The protective cover (6) is sealingly connected with the side walls of the supporting arm (2) and the docking arm (3) through the rubber pad (9).

6. A rock drill folding working arm with an outer shroud according to claim 1, characterized in that: The sealing pad (13) is annular, and the outer diameter of the sealing pad (13) is matched with the inner diameter of the ring block (12).

7. A rock drill folding working arm with an outer shroud according to claim 1, characterized in that: The locking bolt (11) is sealingly connected with the ring block (12) through the sealing pad (13).

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