Telescopic self-propelled rock drilling rack

By designing a retractable self-drilling pedal, the problem of fixing the pedal size and high cost of rock drilling trolley in the prior art is solved, and the working platform is freely moved and adapted to the tunnel width is realized, and the adaptability and efficiency of the equipment are improved.

CN222633190UActive Publication Date: 2025-03-18CHINA RAILWAY NO 2 ENGINEERING GROUP CHENGDU NEW TECHNOLOGY BLASTING ENGINEERING CO LTD
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Patent Information

Application Number
CN202421217861.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-03-18
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

In the prior art, the artificial tread size is fixed, the cross-section changes need to be remade, and there is no ability to walk independently; while the rock drilling trolley is costly, the small-section equipment cannot be extended, and the adaptability is poor.

Method used

A retractable self-drilling pedal is designed, including a mobile chassis and a slidingly adjustable working platform, a fixed working platform and an expansion working platform. Through the mobile chassis, the free movement of the working platform and the width adjustment of the expansion working platform are realized.

Benefits of technology

The work platform is freely moved and adapted to the tunnel width, avoiding the problem of fixing the artificial tread size and high cost of rock drilling trolleys, and improving the adaptability and efficiency of the equipment.

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Abstract

The utility model relates to the field of engineering blasting, in particular to a telescopic self-propelled rock drilling rack which comprises a movable chassis, an operation platform is arranged on the movable chassis and comprises a fixed operation platform and an expansion operation platform, and the expansion operation platform is arranged on at least one side of the fixed operation platform in a sliding mode. According to the telescopic self-propelled rock drilling rack, the working platform is arranged on the movable chassis, so that the working platform can move freely, and the distance between the working platform and a construction working face can be adjusted in time along with construction operation; moreover, the operation platform comprises the first operation platform, the second operation platform and the expanding operation platform, and the expanding operation platform is arranged at the bottom of the second platform in a sliding mode, so that the width of the tunnel can be adapted by adjusting the expanding operation platform.
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Description

Technical Field

[0001] The utility model relates to the field of engineering blasting, in particular to a telescopic self-propelled rock drilling stand. Background Art

[0002] At present, when conducting tunnel blasting excavation, the commonly used drilling methods are manual gantry and rock drilling trolley. Among them: the manual gantry is to weld a fixed-size metal working platform with I-beams according to the size of the tunnel excavation section, commonly known as the "gantry", and then the operator stands on the gantry to perform drilling and blasting work; its advantages: various forms, low cost, and strong environmental adaptability; disadvantages: fixed size, section changes, need to be remade, and no autonomous walking ability; the rock drilling trolley, as the most advanced rock drilling equipment at present, has a high degree of automation, and personnel can drill holes by operating the mechanical arm, which is particularly suitable for large sections, and it has a power system and can walk autonomously; however, the cost of the rock drilling trolley is relatively high, often tens of millions, and the maintenance cost and parts price are high; secondly, the rock drilling trolley is more suitable for environments with medium-hard and above rock properties and good surrounding rock stability, and the drilling effect of softer rocks is poor; furthermore, the size of the rock drilling trolley itself and the length of the mechanical arm are large, and some small-section equipment cannot be extended, and there is also a certain degree of poor adaptability. Utility Model Content

[0003] The utility model aims to provide a retractable self-propelled rock drilling rig to address the problems in the prior art that the size of the artificial rig is fixed, the cross-section changes, and it needs to be remade, and it has no autonomous walking ability; the cost of the rock drilling rig is high, and the small-section equipment cannot be extended.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A retractable self-propelled rock drilling rig is characterized in that it includes a mobile chassis, a working platform is arranged on the mobile chassis, the working platform includes a fixed working platform and an extended working platform, and the extended working platform is slidably arranged on at least one side of the fixed working platform.

[0006] The retractable self-propelled rock drilling rig can realize free movement of the working platform by setting the working platform on the mobile chassis, so that the distance between the working platform and the construction work surface can be timely adjusted as the construction work proceeds; and the working platform includes a fixed working platform and an extended working platform, wherein the extended working platform is slidably set on the side of the fixed working platform, so that the extended working platform can be adjusted to adapt to the width of the tunnel.

[0007] As a preferred embodiment of the present invention, the fixed working platform includes a first working platform and a second working platform. The second working platform is arranged on at least one side of the first working platform. The height of the first working platform is higher than that of the second working platform. In order to facilitate construction at higher places of the tunnel during construction, the first working platform is arranged higher than the second working platform.

[0008] As a preferred solution of the present invention, a storage space is provided at the bottom of the first working platform. Since the height of the first working platform is higher than that of the second working platform and the frame structure is composed of I-beams, there is a certain space under the first working platform that can be used as a storage space for storing tools used during the construction process.

[0009] As a preferred embodiment of the present invention, a first ladder is provided on at least one side of the first working platform. Since the height of the first working platform is higher than that of the second working platform, in order to facilitate construction workers to move from the shorter second working platform to the taller first working platform, the first ladder is provided on at least one side of the first working platform, and the first ladder is fixedly mounted on the side of the first working platform.

[0010] As a preferred solution of the utility model, at least one support rod is provided on the expansion work platform, and the support rod can extend or contract as the expansion work platform slides. The support rod is provided to provide sufficient support for the expansion work platform.

[0011] As a preferred solution of the present utility model, guardrails are provided on the first working platform, the second working platform and the extended working platform. Since the first working platform, the second working platform and the extended working platform are relatively high, in order to prevent construction workers from accidentally falling from the working platforms during the construction process, thereby causing safety accidents.

[0012] As a preferred solution of the utility model, a second ladder is provided on the outer side of the extended work platform. Since the work platform is arranged on the mobile chassis and has a certain height difference with the ground, the second ladder is provided on the outer side of the extended work platform to facilitate construction workers to move from the lower ground to the higher second work platform, and no interference will occur during the sliding of the extended work platform.

[0013] As a preferred solution of the utility model, the second ladder can be folded and flipped onto the second working platform. Since the second ladder is arranged on the outer side of the extended working platform, when the mobile chassis is moving, in order to prevent the second ladder from affecting the movement, the second ladder is folded and stored when not in use.

[0014] As a preferred solution of the utility model, at least one support leg is respectively provided on both sides of the mobile chassis, and at least three support legs are provided on both sides of the mobile chassis in total. The support legs are provided to provide sufficient support so that the retractable self-propelled rock drilling rig can maintain overall stability without tilting or even tipping over.

[0015] As a preferred solution of the present utility model, the first working platform is an I-beam frame member.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] The retractable self-propelled rock drilling rig can realize free movement of the working platform by setting the working platform on the mobile chassis, so that the distance between the working platform and the construction work surface can be timely adjusted as the construction work proceeds; and the working platform includes a fixed working platform and an extended working platform, wherein the extended working platform is slidably set on the side of the fixed working platform, so that the extended working platform can be adjusted to adapt to the width of the tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 It is a structural schematic diagram of the utility model working platform.

[0020] Figure 3 It is a schematic diagram of the structure of the utility model when the expansion working platform is retracted.

[0021] Figure 4 It is a structural schematic diagram of the utility model when the expansion working platform is unfolded.

[0022] Markings in the figure: 1-mobile chassis, 2-first working platform, 3-second working platform, 4-expanded working platform, 5-support rod, 6-storage space, 7-guardrail, 8-first ladder, 9-second ladder, 10-outrigger. DETAILED DESCRIPTION

[0023] The utility model is described in detail below in conjunction with the accompanying drawings.

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] Example 1

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a retractable self-propelled rock drilling rig includes a mobile chassis 1, on which a working platform is arranged, and the working platform includes a fixed working platform and an extended working platform 4, and the extended working platform 4 is slidably arranged on at least one side of the fixed working platform.

[0027] Those skilled in the art can understand that the retractable self-propelled rock drilling rig can realize the free movement of the working platform by setting the working platform on the mobile chassis 1, so that the distance between the working platform and the construction work surface can be timely adjusted as the construction work progresses; and the working platform includes a fixed working platform and an extended working platform 4, wherein the extended working platform 4 is slidably set on the side of the fixed working platform, so that the extended working platform 4 can be adjusted to adapt to the width of the tunnel.

[0028] In a preferred embodiment, the fixed working platform includes a first working platform 2 and a second working platform 3 , the second working platform 3 is provided on at least one side of the first working platform 2 , and the height of the first working platform 2 is higher than that of the second working platform 3 .

[0029] Those skilled in the art can understand that in order to facilitate construction at higher places of the tunnel during the construction process, the first working platform 2 is set higher than the second working platform 3.

[0030] In a preferred embodiment, a storage space 6 is provided at the bottom of the first working platform 2 .

[0031] Those skilled in the art will appreciate that, since the height of the first working platform 2 is higher than that of the second working platform 3 and an I-beam frame structure is used, there is a certain amount of space under the first working platform 2 that can be used as a storage space 6 for storing tools used during the construction process.

[0032] In a preferred embodiment, a first ladder 8 is provided on at least one side of the first working platform 2. Specifically, the first ladder 8 is provided on both sides of the first working platform 2, so that the second working platforms 3 on the left and right sides of the first working platform 2 can be moved to the first working platform 2 through the first ladder 8.

[0033] Those skilled in the art can understand that, since the height of the first working platform 2 is higher than that of the second working platform 3, in order to facilitate construction workers to move from the shorter second working platform 3 to the higher first working platform 2, the first ladder 8 is provided on at least one side of the first working platform 2, and the first ladder 8 is fixedly mounted on the side of the first working platform 2.

[0034] In a preferred embodiment, at least one support rod 5 is provided on the expansion work platform 4 , and the support rod 5 can extend or contract as the expansion work platform 4 slides.

[0035] Those skilled in the art can understand that the support rods 5 are provided to provide sufficient support for the expansion work platform 4 .

[0036] In a preferred embodiment, guardrails 7 are provided on the first working platform 2 , the second working platform 3 and the extended working platform 4 .

[0037] Those skilled in the art will appreciate that since the first work platform 2, the second work platform 3 and the extended work platform 4 are at relatively high heights, it is necessary to prevent construction workers from accidentally falling from the work platforms during the construction process, thereby causing safety accidents.

[0038] In the preferred embodiment, a second ladder 9 is provided on the outer side of the expansion work platform 4 .

[0039] Those skilled in the art can understand that since the working platform is arranged on the mobile chassis 1 and has a certain height difference with the ground, a second ladder 9 is provided on the outer side of the extended working platform 4 to facilitate construction personnel to move from the lower ground to the higher second working platform 3, and no interference will occur during the sliding of the extended working platform 4.

[0040] In a preferred embodiment, the second ladder 9 can be folded and flipped onto the second working platform 3 .

[0041] Those skilled in the art will appreciate that since the second ladder 9 is disposed on the outer side of the extended work platform 4, when the mobile chassis 1 is moving, in order to prevent the second ladder 9 from affecting the movement, the second ladder 9 is folded and stored when not in use.

[0042] In a preferred embodiment, at least one support leg 10 is disposed on each side of the mobile chassis 1, and at least three support legs 10 are disposed on each side of the mobile chassis 1. Specifically, two support legs 10 are disposed on each left and right side of the mobile chassis 1.

[0043] Those skilled in the art will appreciate that the legs 10 are provided to provide sufficient support so that the retractable self-propelled rock drilling rig can maintain overall stability without tilting or even tipping over.

[0044] In a preferred embodiment, the first working platform 2 is an I-beam frame member.

[0045] Those skilled in the art will appreciate that the use of an I-beam frame can effectively reduce the weight of the telescopic self-propelled rock drilling rig and provide it with sufficient strength.

[0046] Example 2

[0047] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a specific method of using a retractable self-propelled rock drilling rig.

[0048] First, drive the equipment to the tunnel excavation working surface, brake to stop, open the legs 10, and maintain overall stability; open the guardrail 7, and perform drilling operations on the upper and lower working platforms; when the tunnel width needs to be adjusted, open the expansion hydraulic support rod 5, extend the expansion working platform 4, adjust to the appropriate width, and then perform drilling operations; after drilling is completed, the personnel carefully withdraw, retract the guardrail 7, retract the expansion working platform 4, and withdraw the vehicle, completing all the work; when the excavation width changes again, repeat the above operations.

[0049] In the description of the specific embodiments of the present invention, unless otherwise specified, the terms indicating the orientation or position relationship such as "upper", "lower", "left", "right", "center", "inside", "outside", etc. are all expressions based on the orientation or position relationship shown in the drawings, or the orientation or position relationship of the product / equipment / device of the utility model when it is usually used. These terms of orientation or position relationship are only for the convenience of describing the scheme of the utility model or simplifying the description in the specific embodiments, so that technicians can quickly understand the scheme, rather than indicating or implying that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific position relationship, and therefore cannot be understood as a limitation on the present invention.

[0050] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel" and the like appear, it does not mean that the corresponding devices / components / elements are required to be absolutely horizontal or vertical or overhanging or parallel, but may be slightly tilted or have deviations. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but may be slightly tilted. Alternatively, it can be simplified to mean that the corresponding devices / components / elements are set in directions such as "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably an error / deviation within ±8%, more preferably an error / deviation within ±6%, more preferably an error / deviation within ±5%, and more preferably an error / deviation within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the solution of the utility model.

[0051] In addition, the expressions “first”, “second”, “third”, etc. that appear in the terms are merely descriptions used to distinguish the same or similar components and should not be understood as emphasizing or implying the relative importance of specific components.

[0052] In addition, in the description of the embodiments of the present invention, "several", "multiple" and "a number" represent at least 2. It can be any number such as 2, 3, 4, 5, 6, 7, 8, 9, and even more than 9.

[0053] In addition, in the description of the technical solution of the utility model, unless otherwise clearly specified / defined / restricted, the terms "set", "install", "connect", "connected", "provided with", "laid", and "arranged" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, and can be welding, riveting, bolting, threading, and other commonly used connection means in the field. This connection can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal communication of two components.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A retractable self-propelled rock drilling rig, characterized in that: It comprises a mobile chassis (1), on which a working platform is arranged, the working platform comprises a fixed working platform and an extended working platform (4), and the extended working platform (4) is slidably arranged on at least one side of the fixed working platform.

2. The telescopic self-propelled rock drilling rig according to claim 1, characterized in that: The fixed working platform comprises a first working platform (2) and a second working platform (3), the second working platform (3) being arranged on at least one side of the first working platform (2), and the height of the first working platform (2) being higher than that of the second working platform (3).

3. The telescopic self-propelled rock drilling rig according to claim 2, characterized in that: A storage space (6) is provided at the bottom of the first working platform (2).

4. The telescopic self-propelled rock drilling platform according to claim 2, characterized in that: A first ladder (8) is provided on at least one side of the first working platform (2).

5. The telescopic self-propelled rock drilling platform according to claim 1, characterized in that: At least one support rod (5) is arranged on the expansion work platform (4), and the support rod (5) can extend or contract as the expansion work platform (4) slides.

6. The telescopic self-propelled rock drilling platform according to claim 2, characterized in that: Guardrails (7) are provided on the first working platform (2), the second working platform (3) and the extended working platform (4).

7. The telescopic self-propelled rock drilling platform according to claim 2, characterized in that: A second ladder (9) is provided on the outer side of the expansion work platform (4).

8. The telescopic self-propelled rock drilling platform according to claim 7, characterized in that: The second ladder (9) can be folded and flipped onto the second working platform (3).

9. The telescopic self-propelled rock drilling platform according to claim 1, characterized in that: At least one supporting leg (10) is respectively provided on both sides of the mobile chassis (1), and at least three supporting legs (10) are provided on both sides of the mobile chassis (1) in total.

10. The telescopic self-propelled rock drilling platform according to claim 2, characterized in that: The first working platform (2) is an I-beam frame member.