Drilling equipment for construction of side wall of water-passing tunnel

Abstract

The utility model relates to the technical field of drilling equipment, in particular to drilling equipment for water tunnel side wall construction. Comprising a support, a cross beam is erected above the support in the length direction, a moving part is buckled on the cross beam, the moving part is slidably installed in the length direction of the cross beam, a drilling machine is installed below the moving part, a gear is rotationally installed on the moving part, a wrench is coaxially arranged on the gear, and the gear is meshed with a rack fixedly installed on the cross beam. According to the equipment, the drilling machine is erected on the support, manual erection is not needed, the drilling machine is limited through the support, so that the drilling machine is more stable in work feeding, the shaking problem during manual erection operation is avoided, operation is more convenient, and the operation pressure is reduced; the drilling operation is more flexible, and the on-site drilling condition can be controlled and changed flexibly; and the drilling machine is more stable, so that the drill bit can be prevented from being broken due to shaking, and the operation safety is improved.

Description

Technical Field

[0001] This application relates to the field of drilling equipment technology, and in particular to a drilling equipment for the construction of the sidewall of a water-passing tunnel. Background Technology

[0002] In the construction of existing emergency passages for steel structures in water-passing tunnels, the drilling techniques for anchor piles and the drilling tools used vary due to differences in the depth of the water flow, the diameter of the tunnel, and the drilling depth of the water-passing tunnel.

[0003] The first method often uses tracked drilling rigs for drilling. The appropriate drilling rig is selected based on the designed drilling location and diameter. However, due to the limited hole diameter, the hole is often too deep, which can easily cause problems such as water overflowing into the tracked drilling rig motor or insufficient space to drill.

[0004] The second method uses down-the-hole drills for drilling operations. During the construction of this type of drill, it is necessary to set up a construction access road and use a large air compressor for air supply. It is difficult to move the air compressor, generator, down-the-hole drill on the access road with no construction power and scaffolding pipes. At the same time, when the rock of the tunnel wall is poor and there are many fractured faults, the down-the-hole drill is prone to problems such as stuck drill and hole collapse.

[0005] The third method uses a core drill for drilling operations. This type of drill has a smaller motor, is lighter, and is portable and easy to transport. It can also use a smaller generator when there is no power supply. However, the core drill does not have a fixed support, so it requires a lot of manpower to stabilize the drill when drilling. At the same time, the drilling speed is slow, which can easily affect the construction period.

[0006] Due to limitations in tunnel diameter, greater water depth, and the presence of poor rock composition and numerous fractured faults in the tunnel walls, crawler drills and down-the-hole drills are unsuitable for construction environments with smaller tunnel diameters and poor rock composition. Core drills can be used as on-site drilling tools, but handheld core drills lack supports, resulting in poor stability and slow drilling speeds, which can impact project schedules.

[0007] Therefore, this application provides a drilling device for the construction of the sidewall of a water-passing tunnel, which improves the stability during drilling and reduces the operating pressure.

[0008] Application content

[0009] The purpose of this application is to solve the problems existing in the prior art by proposing a drilling device for the construction of the sidewall of a water-passing tunnel.

[0010] To achieve the above objectives, this application adopts the following technical solution:

[0011] A drilling device for constructing the sidewall of a water-passing tunnel includes a support frame. A crossbeam is erected above the support frame along its length. A movable component is fastened to the crossbeam and slidably installed along the length of the crossbeam. A drilling rig is installed below the movable component. A gear is rotatably installed on the movable component. A wrench is coaxially mounted on the gear, and the gear meshes with a rack fixedly installed on the crossbeam.

[0012] Preferably, the movable component includes two C-shaped fasteners, with both ends of the two fasteners connected by fasteners.

[0013] Preferably, the inner wall of the fastener is provided with a groove that fits the surface of the crossbeam.

[0014] Preferably, one of the fasteners has a connecting plate at its bottom end.

[0015] Preferably, the bottom end of the bracket is provided with barbs, which are positioned in the opposite direction to the drilling hole of the drilling rig.

[0016] Preferably, the bracket has support plates at both ends along its length, the support plates are arranged along the width of the bracket, the support plates are provided with I-beams, and the I-beams are symmetrically slidably mounted with support plates along the width of the bracket.

[0017] Compared with the prior art, this application provides a drilling device for the construction of the sidewall of a water-passing tunnel, which has the following advantages:

[0018] This equipment mounts the drilling rig on a support, eliminating the need for manual support. The support constrains the drilling rig, making its operation more stable and preventing the shaking issues that occur during manual operation. This makes operation more convenient and reduces operational pressure. Drilling operations are more flexible, allowing for better control and adaptation to changes in the drilling situation. The more stable drilling rig also prevents drill bit breakage due to shaking, improving operational safety.

[0019] Other advantages, objectives and features of this application will be set forth in part in the description which follows; and in part will be apparent to those skilled in the art upon examination of the following description; or may be learned from practice of this application. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the right-hand axis view of this application.

[0021] Figure 2 This is a frontal view of the present application.

[0022] Figure 3 For the purposes of this application Figure 2 A schematic diagram of the cross-section at point AA.

[0023] Figure 4 For the purposes of this application Figure 1A partial schematic diagram of point B in the middle.

[0024] Figure 5 This is a schematic diagram of the movable part in the separated state according to this application.

[0025] Figure 6 This is a three-dimensional schematic diagram of the two fasteners of the movable part of this application.

[0026] In the diagram: 1. Bracket; 2. Crossbeam; 3. Gear; 4. Rack; 5. Fastener; 6. Connecting plate; 7. Drill rig; 8. Groove; 9. Wrench; 10. I-beam; 11. Support plate. Detailed Implementation

[0027] The following will refer to the appendices in the embodiments of this application. Figure 1-6 The technical solutions in the embodiments of this application are clearly and completely described. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0028] Example 1: In order to solve the problems existing in the prior art, this example provides a drilling equipment for the construction of the side wall of a water-passing tunnel, including a support 1. A crossbeam 2 is erected above the support 1 along the length direction. A movable part is fastened on the crossbeam 2. The movable part is slidably installed along the length direction of the crossbeam 2. A drilling machine 7 is installed below the movable part. A gear 3 is rotatably installed on the movable part. A wrench 9 is coaxially provided on the gear 3. The gear 3 meshes with a rack 4 fixedly installed on the crossbeam 2.

[0029] Principle details of this embodiment:

[0030] A drilling device for constructing the sidewall of a water-crossing tunnel includes a support frame 1, which comprises a base frame and two frames. The base frame is formed by welding four steel pipes to form a rectangular frame; each of the two frames is formed by welding three steel pipes to form a U-shaped frame. The two frames are welded to both ends of the base frame, and the length of the frames is adapted to the width of the base frame. The dimensions of the support frame 1 are: 2m long, 0.5m wide, and 0.5m high, and it is constructed using φ48 steel frame pipes.

[0031] The two frames of the support 1 are welded together to a crossbeam 2, which is mounted above the base frame. A movable component is fastened to the crossbeam 2. The upper and lower side walls of the crossbeam 2 are cut into planes, and the lower inner wall of the movable component fits against the lower plane of the crossbeam 2, allowing the movable component to slide along the length of the crossbeam 2. A rotating shaft is rotatably mounted on the movable component, and a gear 3 is fixedly fitted on the rotating shaft. The gear 3 meshes with a rack 4, which is fastened to the upper plane of the crossbeam 2 by fasteners. A handle is detachably mounted on the end of the rotating shaft extending outside the movable component, and the handle structure is similar to a three-wheeled crank handle. A drill rig 7 is fastened to the lower end of the movable component by fasteners. The drill rig 7 is a core drilling rig 7, which mainly includes a drive motor, a drill rod mounted on the output shaft of the motor, an extension rod fixedly mounted on the end of the drill rod, a drill bit fixedly mounted on the end of the extension rod, and a cooling system. The drill bit is a core drill. The cooling system includes a water inlet for the drill rig 7, which is a water inlet located on the side of the connection between the motor and the drill rod, with water flowing directly out through the drill bit. The cooling system also includes a water storage tank connected to the water inlet of the drill rig 7 via a water pump and a hose, to achieve the effect of cooling the drill bit.

[0032] Based on the above technical solution:

[0033] According to the designed drilling points, a steel frame is erected, ensuring that the height of the steel frame is appropriate for the support 1 and the drilling point position, thus guaranteeing the height of the drilling rig 7. The drilling rig 7 and cooling system are started simultaneously. Holding the handle of the wrench 9, it is turned counterclockwise. The wrench 9 drives the gear 3 to rotate, and the gear 3, due to its meshing with the rack 4, moves the moving part towards the drilling point until the drill bit of the drilling rig 7 touches the drilling point. At this point, after drilling to a certain depth, the wrench 9 is turned back one-quarter turn clockwise, i.e., drill-return-drill-return, to avoid continuous drilling that could cause the drill bit to overheat and crack. Simultaneously, during this process, the cooling system continuously supplies water to cool the drill bit and lubricate the drilling area.

[0034] This equipment mounts the drilling rig 7 on the support 1, eliminating the need for manual support. The support 1 constrains the drilling rig 7, making its operation more stable and preventing the shaking issues that occur during manual operation. This makes operation more convenient and reduces operational pressure. Drilling operations are more flexible, allowing for better control and adaptation to changes in the drilling situation. The increased stability of the drilling rig 7 also prevents drill bit breakage due to shaking, improving operational safety.

[0035] This solution uses a 3-gear, 4-rack drive system:

[0036] Compared to hydraulic equipment and telescopic rods, which can only operate according to a set program, this drive structure is more flexible in operation and can adapt to changes in the field conditions. It also avoids the interference problems that these drive devices would cause when installed on bracket 1 with the access channel and the installation within the channel.

[0037] Compared to the drive structure where the drive wheel rolls along the crossbeam 2, the resistance between the gear 3 and rack 4 can share part of the drilling reaction force during drilling, while also providing a certain resistance to prevent the drill rig 7 from rebounding when it encounters hard soil, thus requiring additional manpower to withstand the pressure.

[0038] In a further embodiment of this solution (Example 2), the movable component includes two C-shaped fasteners 5, with both ends of the fasteners 5 connected by fasteners. The drilling rig 7 is fixed to the bottom wall of the two fasteners 5. The lower inner wall of the two C-shaped fasteners 5 is flat, fitting against the lower plane of the crossbeam 2, maintaining a sliding fit between the fasteners 5 and the crossbeam 2. The movable component is divided into two fasteners 5, allowing it to be separated from the crossbeam 2, facilitating the disassembly and maintenance of the drilling rig 7, and also simplifying the maintenance and disassembly of the gears 3 and rack 4.

[0039] Example 3, a further embodiment of this solution, refers to the appendix. Figure 5 As shown, the inner wall of the fastener 5 is provided with a groove 8 that fits into the surface of the crossbeam 2. This increases the contact area between the fastener 5 and the crossbeam 2, allowing the load of the drilling rig 7 to be applied to the contact surface between the groove 8 and the crossbeam 2. In this design, the two fasteners 5 are vertically separated and horizontally fitted. Compared to the horizontally separated structure, the vertically fitted structure allows the load of the drilling rig 7 to be entirely transferred to the fasteners through the fasteners 5. In this structure, the fasteners 5 bear most of the load of the drilling rig 7, while a portion is distributed to the fasteners for tightening. This reduces the load on the fasteners, minimizing thread damage and preventing the fasteners from becoming unremovable due to thread breakage, which would otherwise make disassembly and assembly more difficult.

[0040] Example 4, a further embodiment of this solution, in which one of the fasteners 5 has a connecting plate 6 at its bottom end. (Refer to the attached document.) Figure 5 and attached Figure 6 As described above, one of the fasteners 5 has a wider extension at its bottom end and is equipped with a connecting plate 6. The drilling rig 7 is mounted on the connecting plate 6 using fasteners. This method allows the drilling rig 7 to be pre-installed on the connecting plate 6, and then the hanger is suspended near the crossbeam 2, where the two fasteners 5 are connected using fasteners. This can speed up the assembly time for installing the drilling rig 7.

[0041] In a further embodiment of this solution (Example 5), the bottom end of the support 1 is provided with barbs, which are positioned opposite to the drilling direction of the drill rig 7. The barbs abut against the copper busbar or the ground, relieving the reaction force of the drill rig 7 during drilling and further restricting the support 1, especially improving its stability when the copper busbar is not installed.

[0042] In Example 6, a further embodiment of this solution, the support 1 is placed on the ground. If there is a collapse or pit in the ground at the drilling location, the end of the support 1 cannot contact the ground, i.e., there is no support, which affects the overall stability. Therefore, in this embodiment, both ends of the support 1 along the length direction are provided with support plates, and the support plates are arranged along the width direction of the support 1. An I-beam plate 10 is provided on the support plate, and ⌒-shaped support plates 11 are symmetrically slidably installed on the I-beam plate 10 along the width direction of the support 1.

[0043] When the support 1 is stable between itself and the ground, the two support plates 11 retract onto the I-beam plate 10.

[0044] When the support between the bracket 1 and the ground is not secure or there is an end face, the two support plates 11 are stretched outward to expand the width of the base of the bracket 1, so that the base of the bracket 1 can always be in contact with the ground to provide support, thereby ensuring the stability of the bracket 1.

[0045] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and application concept of this application, should be included within the scope of protection of this application.

[0046] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0047] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A drilling device for constructing the sidewall of a water-passing tunnel, characterized in that, Includes a bracket (1), a crossbeam (2) is mounted on the bracket (1) along the length direction, a movable part is fastened on the crossbeam (2), the movable part is slidably installed along the length direction of the crossbeam (2), a drill (7) is installed below the movable part, a gear (3) is rotatably installed on the movable part, a wrench (9) is coaxially provided on the gear (3), and the gear (3) meshes with a rack (4) fixedly installed on the crossbeam (2); The drilling rig (7) is a core drilling rig, including a driving motor, a drill rod installed on the output shaft of the motor, an extension rod fixedly installed at the end of the drill rod, a drill bit fixed at the end of the extension rod, and a cooling system; the drill bit is a core drill; the cooling system includes a water inlet of the drilling rig, which is a water inlet set on the side of the connection between the motor and the drill rod, and the water flows out directly through the drill bit.

2. The drilling equipment for constructing the sidewall of a water-passing tunnel according to claim 1, characterized in that, The movable component includes two C-shaped fasteners (5), with both ends of the two fasteners (5) connected by fasteners.

3. The drilling equipment for constructing the sidewall of a water-passing tunnel according to claim 2, characterized in that, The inner wall of the fastener (5) is provided with a groove (8) that fits the surface of the crossbeam (2).

4. The drilling equipment for constructing the sidewall of a water-passing tunnel according to claim 2, characterized in that, One of the fasteners (5) has a connecting plate (6) at its bottom end.

5. The drilling equipment for constructing the sidewall of a water-passing tunnel according to claim 1, characterized in that, The bottom end of the bracket (1) is provided with barbs, which are set in the opposite direction to the drilling hole of the drilling machine (7).

6. The drilling equipment for constructing the sidewall of a water-passing tunnel according to claim 1, characterized in that, The bracket (1) is provided with support plates at both ends along the length direction. The support plates are provided along the width direction of the bracket (1). I-beams (10) are provided on the support plates. Support plates (11) are symmetrically slidably installed on the I-beams (10) along the width direction of the bracket (1).

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