Nylon sliding block fixing structure at end part of boom of drill jumbo

Abstract

The utility model relates to the technical field of mine tunnel equipment, and discloses a nylon slide block fixing structure at the end part of a drill jumbo boom, which comprises an outer boom weldment, an inner boom weldment is welded inside the outer boom weldment, the relative movement of the outer boom weldment and the inner boom weldment is powered by a telescopic oil cylinder, and the telescopic oil cylinder is connected with the outer boom weldment. An installation assembly is arranged in the inner arm frame weldment, the installation assembly is used for installing external elements of the inner arm frame weldment, the installation assembly comprises large sliding blocks, the large sliding blocks are arranged on the upper side and the lower side of the inner arm frame weldment, and small sliding blocks are arranged on the left side and the right side of the inner arm frame weldment. Positioning blocks are fixedly connected to the two sides of the lower portion of the large sliding block. The large sliding block is installed through the second screw and the third screw, the third screw is positioned through the positioning block, the small sliding block is fixed through the first screw, the structure is simple, firm and reliable, and maintenance is convenient when a user conducts replacement and disassembly in the later period.

Description

Technical Field

[0001] The utility model relates to the technical field of mine tunnel equipment, in particular to a nylon slider fixing structure at the end of a rock drilling trolley arm. Background Art

[0002] A drilling rig is also called a drilling rig. It is a kind of rock drilling equipment frequently used in tunnel and underground engineering construction. A drilling rig generally includes a drill rod, a boom (the support, positioning and propulsion mechanism of the rock drill), a car body, a traveling mechanism and other necessary ancillary equipment.

[0003] The nylon slider is an indispensable component of the boom structure. There is a gap between the booms during assembly. The slider is installed between the adjacent outer boom sections and inner boom sections to provide support, reduce friction, and improve sliding efficiency.

[0004] With the frequent use of the telescopic arm structure of the equipment, the nylon slider will wear out faster, but the existing device is cumbersome and inconvenient to install when replacing a new slider. Therefore, a nylon slider fixing structure at the end of the drilling rig boom is provided to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a nylon slider fixing structure at the end of the drilling rig arm, which aims to improve the problem in the prior art that the frequent use of the telescopic arm structure of the equipment will accelerate the wear of the nylon slider, but the existing device is cumbersome and inconvenient to install when replacing a new slider.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nylon slider fixing structure at the end of the rock drilling rig boom, comprising an outer boom weldment, an inner boom weldment welded to the inside of the outer boom weldment, the relative movement of the outer boom weldment and the inner boom weldment being powered by a telescopic cylinder, an installation assembly being provided inside the inner boom weldment, and the installation assembly being used to install external components of the inner boom weldment.

[0007] Furthermore, the mounting assembly includes a large slider, which is arranged on the upper and lower sides of the inner arm weldment, and small sliders are arranged on the left and right sides of the inner arm weldment. Positioning blocks are fixedly connected on both sides of the lower part of the large slider, and several screws three are arranged inside the positioning block, screws two are arranged on both sides of the interior of the large slider, and screws one are arranged on both sides of the interior of the small slider.

[0008] Furthermore, a slider adjustment pad is provided at the lower portion of the large slider, and the slider adjustment pad is provided at the lower portion of the large slider and the inner side of the upper portion of the inner arm weldment.

[0009] Furthermore, the screw one, screw two and screw three are threadedly connected to the inside of the inner arm weldment.

[0010] The utility model has the following beneficial effects:

[0011] 1. In the utility model, the large slider is installed by screws 2 and 3, the positioning block positions screw 3, and the small slider is fixed by screw 1. The structure is simple, firm and reliable, and it is easy to maintain when users replace and disassemble it later.

[0012] 2. In the present invention, the relative movement between the inner wall of the outer arm weldment and the inner arm weldment is powered by a telescopic oil cylinder. When relative movement occurs, a large slider and a small slider are required to provide support and improve sliding efficiency. This is applicable to most arm components and has wide versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of a nylon slider fixing structure at the end of a rock drilling rig arm frame proposed in the present invention;

[0014] Figure 2 This is a side view of a nylon slider fixing structure at the end of a rock drilling rig arm frame proposed in the utility model;

[0015] Figure 3 This is a partial structural diagram of a nylon slider fixing structure at the end of a rock drilling rig arm frame proposed in the present invention;

[0016] Figure 4 This is a schematic diagram of the large slider installation structure of the nylon slider fixing structure at the end of the rock drilling rig arm frame proposed by the utility model;

[0017] Figure 5 This is a schematic diagram of the small slider installation structure of the nylon slider fixing structure at the end of the rock drilling rig arm proposed by the utility model.

[0018] Legend:

[0019] 1. Outer arm weldment; 2. Inner arm weldment; 3. Telescopic cylinder; 4. Large slider; 5. Slider adjustment pad; 6. Small slider; 7. Screw one; 8. Positioning block; 9. Screw two; 10. Screw three. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Reference Figure 1 、 Figure 2 and Figure 3 The utility model provides an embodiment of a nylon slider fixing structure for the end of a rock drilling rig boom, comprising an outer boom weldment 1, an inner boom weldment 2 welded to the interior of the outer boom weldment 1, the relative movement of the outer boom weldment 1 and the inner boom weldment 2 being powered by a telescopic oil cylinder 3, and an installation assembly being provided inside the inner boom weldment 2 for installing external components of the inner boom weldment 2;

[0022] The boom structure is welded together by an outer boom weldment 1 and an inner boom weldment 2. The inner boom weldment 2 is equipped with a large slider 4 and a small slider 6. A gap is left between the inner wall of the outer boom weldment 1 and the outer wall of the inner boom weldment 2. The relative movement of the inner wall of the outer boom weldment 1 and the inner boom weldment 2 is powered by a telescopic cylinder 3.

[0023] Reference Figure 1 and Figure 4 and Figure 5 The mounting assembly includes a large slider 4, which is arranged on the upper and lower sides of the inner arm weldment 2. Small sliders 6 are provided on the left and right sides of the inner arm weldment 2. Positioning blocks 8 are fixedly connected to the lower sides of the large slider 4. Several screws 3 10 are provided inside the positioning block 8. Screws 2 9 are provided on both sides of the interior of the large slider 4, and screws 7 are provided on both sides of the interior of the small slider 6.

[0024] The large slider 4 is installed by screw 2 9 and screw 3 10, the positioning block 8 positions the screw 3 10, and the small slider 6 is fixed by screw 1 7. The structure is simple, firm and reliable, and it is easy to maintain when the user replaces or disassembles it later. When relative movement occurs, the large slider 4 and the small slider 6 are needed to provide support and improve the sliding efficiency.

[0025] Reference Figure 1 and Figure 2 and Figure 5 , a slider adjustment pad 5 is provided at the lower part of the large slider 4, the slider adjustment pad 5 is provided at the lower part of the large slider 4 and the inner side of the upper part of the inner arm weldment 2, and screw 1 7, screw 2 9 and screw 3 10 are threadedly connected to the inside of the inner arm weldment 2;

[0026] By setting the slider adjustment pad 5, the gap between the arms can be adjusted. By connecting the internal threads of the inner arm weldment 2 with screws 1 7, screw 2 9 and screw 3 10, the large slider 4 and the small slider 6 can be installed on the upper, lower, left and right sides of the inner arm weldment 2.

[0027] Working principle: When using this device, the arm structure is welded together by the outer arm weldment 1 and the inner arm weldment 2. The inner arm weldment 2 is equipped with a large slider 4 and a small slider 6. A gap is left between the inner wall of the outer arm weldment 1 and the outer wall of the inner arm weldment 2. The relative movement of the inner wall of the outer arm weldment 1 and the inner arm weldment 2 is powered by the telescopic cylinder 3. When relative movement occurs, the large slider 4 and the small slider 6 are needed to support and improve the sliding efficiency. The large slider 4 is installed by screws 2 9 and screws 3 10, the positioning block 8 positions the screws 3 10, and the small slider 6 is fixed by screws 1 7. The structure is simple, firm and reliable, and it is easy to maintain when users replace and disassemble it later.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A nylon slider fixing structure for the end of a drilling rig boom, comprising an outer boom weldment (1), characterized in that: An inner boom weldment (2) is welded inside the outer boom weldment (1); the relative movement of the outer boom weldment (1) and the inner boom weldment (2) is powered by a telescopic oil cylinder (3); a mounting assembly is provided inside the inner boom weldment (2); and the mounting assembly is used to mount external components of the inner boom weldment (2).

2. The nylon slider fixing structure at the end of the drilling rig boom according to claim 1, characterized in that: The mounting assembly includes a large slider (4), the large slider (4) being arranged on the upper and lower sides of the inner arm weldment (2), small sliders (6) being arranged on the left and right sides of the inner arm weldment (2), positioning blocks (8) being fixedly connected on both sides of the lower portion of the large slider (4), a plurality of screws (10) being arranged inside the positioning block (8), screws (9) being arranged on both sides inside the large slider (4), and screws (7) being arranged on both sides inside the small slider (6).

3. The nylon slider fixing structure at the end of the drilling rig boom according to claim 2, characterized in that: A slider adjustment pad (5) is provided at the lower portion of the large slider (4), and the slider adjustment pad (5) is provided at the inner side of the lower portion of the large slider (4) and the upper portion of the inner arm weldment (2).

4. The nylon slider fixing structure at the end of the drilling rig boom according to claim 2, characterized in that: The screw one (7), screw two (9) and screw three (10) are threadedly connected to the interior of the inner arm weldment (2).

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