Drilling and grouting integrated rapid construction equipment for airport runway

By integrating multiple telescopic arms, automatic pipeline deployment and retraction, and blow-hole functions into a fully integrated construction equipment, the problem of low efficiency of traditional equipment in airport runway construction has been solved, achieving simultaneous construction at multiple locations and efficient reinforcement.

CN223805543UActive Publication Date: 2026-01-16云南建投第四建设有限公司
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Patent Information

Application Number
CN202520207747.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-16
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Traditional airport runway drilling and grouting equipment cannot simultaneously carry out construction at multiple holes, lacks integrated management of pipelines, materials and blowhole cleaning, and fails to integrate high-pressure air sources, mixing equipment and multi-point grouting functions, resulting in low efficiency in large-area airport runway reinforcement.

Method used

Design a fully integrated construction equipment that integrates multiple telescopic booms, automatic pipeline deployment and retraction, vehicle-mounted mixing and grouting functions. The equipment includes a vehicle body, support frame, telescopic boom, drilling and grouting device, deployment and retraction device, mixing equipment and compressed air generator, to realize the integrated operation of drilling and grouting.

Benefits of technology

It enables rapid, multi-point, and flexible drilling and grouting construction of airport runways, significantly improving construction efficiency and safety, reducing cumbersome pipeline connections, and enhancing construction quality and controllability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an airport runway drilling and grouting integrated rapid construction device, which relates to the technical field of airport runway reinforcement construction, comprises a vehicle body, a multi-section telescopic arm, a drilling and grouting device, an automatic retracting and releasing device and the like, and realizes the whole-process construction of drilling, hole blowing and grouting. The multiple telescopic arms can independently rotate and stretch out and draw back, and are matched with vehicle-mounted stirring equipment, power generation equipment and a high-pressure air source, so that multi-point deep pressure grouting is facilitated; the composite pipeline is intensively stored and penetrates through the telescopic arm, so that the pipeline is prevented from winding or mopping the floor. The adapter ring keeps the pipeline to be communicated with pumping equipment, the winding drum and the reset spring cooperate to adjust the tensioning state of the pipeline, the pipeline can be automatically wound and unwound when the telescopic arm moves, and a construction site is neater and safer. The equipment can flexibly adjust the drilling depth and the grouting pressure, integrates a deep pressure grouting process, and blows the hole in time to ensure that the interior of the hole is clean.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of airport runway reinforcement construction technology, in particular to an airport runway drilling and grouting integrated rapid construction equipment. BACKGROUND

[0002] After years of bearing high flow and high strength take-off and landing load, the airport runway is prone to pavement structure loosening and sinking, etc. It is necessary to drill holes and grout below the pavement or roadbed to improve the strength and stability of the pavement. The traditional runway drilling and grouting construction often requires multiple equipment cooperation, such as separate drilling machines, separate grouting pumps, pipeline management devices, etc. Not only does it occupy a large area, but also the scheduling is complicated, making it difficult to meet the needs of rapid and efficient construction in an airport with dense aircraft flow.

[0003] Chinese invention patent application CN110778279A discloses a lifting type synchronous drilling equipment. The equipment realizes simultaneous drilling of multiple drilling machines through the rack, multiple detachable support rods and vertical adjustment mechanism, and can adjust the levelness to ensure drilling accuracy. Its advantages are saving manpower, improving work efficiency, and can be applied in the field of engineering machinery.

[0004] Chinese utility model patent CN213573883U discloses an airport runway grouting single-hole drilling machine. By setting walking wheels, air compressors, hydraulic tanks and drilling mechanisms on the square base, manual air drill punching is replaced by mechanical driving, significantly improving the automation degree and stability, reducing the safety hazards of manual operation, and facilitating the movement of the machine body through the walking wheels.

[0005] The above technical solutions have explored automation and efficiency improvement in drilling or grouting, but still have certain limitations, such as being unable to simultaneously perform synchronous construction on multiple hole sites, lacking integrated management of pipeline, materials and hole blowing cleaning processes, and failing to integrate high-pressure gas source, stirring equipment and multi-point grouting functions on the equipment, resulting in the inability to meet the demand for rapid reinforcement of large-area airport runways. Based on this, the utility model designs and improves an integrated all-process construction equipment integrating multiple telescopic arms, automatic pipe retraction, vehicle-mounted stirring and hole blowing functions to complete drilling and grouting of multiple grouting holes in a short period of time, ensuring efficient reinforcement of the pavement. SUMMARY

[0006] The utility model aims to overcome the shortcomings of the prior art and provide an airport runway drilling and grouting integrated rapid construction equipment to solve the above problems.

[0007] Summarize the overall technical means and corresponding technical effects of this application in one sentence

[0008] The utility model discloses a kind of airport runway drilling and grouting integrated rapid construction equipment, including vehicle body, vehicle body, upper mounting bracket, multiple telescopic arms are rotatably connected on the bracket, each telescopic arm is fixedly connected with drilling and grouting device at the end away from the bracket, retractable device corresponding to telescopic arm is fixedly connected on the bracket, drilling and grouting device includes the slider fixedly connected with the end away from the bracket of telescopic arm, slider is slidably connected with sliding bracket, the end fixedly connected with rack away from the slider of sliding bracket, rack outer end is engagedly connected with gear, sliding bracket outer end is slidably connected with lifting frame, variable speed box is fixedly connected on lifting frame, and motor and drill bit are respectively fixedly connected with the top end and bottom end of variable speed box, retractable device includes reel rotatably connected with the bracket, composite pipeline is wound on reel, stirring equipment and power generation equipment are mounted on vehicle body, motor and drill bit are connected with stirring equipment and power generation equipment by composite pipeline.

[0009] Space for placing material is also reserved on vehicle body, and pumping equipment is arranged between composite pipeline and stirring equipment for pumping stirred material.

[0010] Telescopic arm includes at least four telescopic arms, and telescopic arm can rotate along horizontal direction around bracket, and composite pipeline penetrates telescopic arm.

[0011] Adapter ring is arranged between reel and bracket, adapter ring is fixedly connected with bracket, adapter ring is rotatably connected with reel, one end of adapter ring is connected with composite pipeline in communication, and the other end is connected with pumping equipment.

[0012] Reset spring is fixedly connected on reel, and the end away from reel of reset spring is fixedly connected with bracket.

[0013] Multiple adjusting bolts are threadedly connected on sliding bracket, and the end away from slider of adjusting bolt is provided with internal hexagon hole, and adjusting bolt is used for adjusting the position of sliding bracket.

[0014] The rotating shaft of gear penetrates lifting frame, and handle is clamped on penetrating part.

[0015] The cross section perpendicular to the length of telescopic arm is elliptical structure, composite pipeline includes cable and pipeline, pipeline includes material pipeline and high-pressure gas pipe, and compressed air generating device is also mounted on vehicle body, and high-pressure gas pipe is connected with compressed air generating device in communication.

[0016] The utility model discloses the beneficial effects are:

[0017] 1. Through the centralized mounting of the support, the multi-section telescopic arm, the drilling and grouting device, the mixing device, the power generation device, and the compressed air generation device on the vehicle body, the whole process integrated operation from drilling to grouting is realized. The whole set of device can be moved to the designated area with the vehicle body and quickly deployed, compared with the traditional way of deploying multiple devices respectively, the coordination and transfer time is greatly reduced, and the construction efficiency is effectively improved.

[0018] 2. The multiple telescopic arms can be independently extended and rotated around the support, which not only can cover a wider construction range, but also can simultaneously perform drilling operation at different positions. For a large area of road that needs to be reinforced, multi-station synchronous drilling and grouting can be performed, which significantly shortens the construction period.

[0019] 3. The composite pipeline used by the device contains cables, material pipelines and high-pressure air pipes, which can provide power, grouting materials and compressed air for the drilling and grouting device. One pipeline can complete multiple function transmissions, reducing the cumbersome connection of external pipelines and improving the cleanliness and safety of the work site.

[0020] 4. The winding drum and the corresponding return mechanism are provided in the device, which realizes the automatic winding and unwinding of the composite pipeline. During construction, as the telescopic arm moves, the winding drum can automatically release or recover the pipeline, so that the pipeline always remains within a reasonable tension range, preventing the pipeline from dragging on the ground and winding, and reducing the workload of the operator in frequently arranging the pipeline.

[0021] 5. Each telescopic arm can be extended by multiple sections and flexibly rotated in the horizontal plane, providing convenience for the positioning of the drilling and grouting device at different orientations and distances. The drilling device itself also has the function of vertical height adjustment using sliding supports and adjusting bolts, and through the cooperation of the gear and the rack handle operation, the accurate up and down movement of the drill bit during drilling can be realized, adapting to different thickness or depth construction requirements.

[0022] 6. The device has a compressed air generation function, which can directly use high-pressure airflow to blow the hole after drilling is completed, removing debris and ensuring the cleanliness of the hole wall. Then the mixed cement slurry can be injected immediately, reducing the complexity of the deployment of external hole blowing equipment and improving the continuity and construction quality of post-drilling grouting.

[0023] 7. The vehicle body not only carries the mixing device, but also reserves space for storing grouting materials; after the material is sent into the pipeline by the pumping device, it can be directly delivered to the drilling device for grouting. During on-site construction, it is not necessary to frequently transport materials back and forth, the grouting efficiency and continuity are higher, and the progress of large-area construction is greatly accelerated.

[0024] 8. Since the composite pipeline is concentrated in the winding and unwinding device and runs through the telescopic arm, there is no need for a large number of pipelines to be laid on the ground on site, so that the risk of tripping or being crushed by vehicles can be effectively avoided. At the same time, the winding and unwinding system also keeps the pipeline clean and does not accumulate on the ground, so that the construction area is more tidy and orderly, and the safety is significantly improved.

[0025] 9. The device can meet the conventional drilling grouting, and flexibly adjust the grouting depth and pressure range according to the site conditions, for example, when deep grouting reinforcement is carried out under the airport runway, high-pressure or medium-pressure grouting can be carried out at a specific depth, so that the reinforcement effect is more reliable. In the construction, if the pressure suddenly increases, the grout leaks or the grout bursts, the small-flow grouting mode can be suspended or switched at any time, so that the process is more controllable, and the quality is easy to guarantee. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a whole structure diagram of the utility model;

[0027] Figure 2 It is a local structure diagram of the utility model;

[0028] Figure 3 It is a local explosion of the utility model Figure 1 ;

[0029] Figure 4 It is a local explosion of the utility model Figure 2 ;

[0030] Figure 5 It is a local explosion of the utility model Figure 3 ;

[0031] Figure 6 It is a front view of the utility model;

[0032] Figure 7 It is an A-A sectional view of the utility model Figure 6 ;

[0033] Figure 8 It is a top view of the utility model;

[0034] Figure 9 It is a local top view of the utility model;

[0035] Figure 10 It is a B-B sectional view of the utility model Figure 9 ;

[0036] Figure 11 It is a C-C sectional view of the utility model Figure 10 ;

[0037] Figure 12 It is a local appearance structure diagram of the utility model.

[0038] Explanation of the labels in the diagram

[0039] 1. Vehicle body; 2. Bracket; 3. Telescopic arm; 4. Slider; 5. Sliding bracket; 6. Rack; 7. Gear; 8. Lifting frame; 9. Drum; 10. Composite pipeline; 11. Adapter ring; 12. Return spring; 13. Adjusting bolt. Detailed Implementation

[0040] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0041] It should be noted that the directional concepts of "left", "right", "up", "down", "front", "back", "inner", and "outer" in the following scheme are all relative directions, and will not be listed one by one here.

[0042] Example 1

[0043] like Figures 1 to 12 As shown in the figure, the integrated rapid construction equipment for drilling and grouting of airport runways described in this embodiment includes a vehicle body 1. A support frame 2 is mounted on the vehicle body 1, and multiple telescopic arms 3 are rotatably connected to the support frame 2. A drilling and grouting device is fixedly connected to the end of each telescopic arm 3 furthest from the support frame 2. A retraction and extension device corresponding to each telescopic arm 3 is also fixedly connected to the support frame 2 for managing the composite pipeline 10 required for drilling and grouting operations.

[0044] Each drilling and grouting device includes a slider 4 fixedly connected to the end of the telescopic arm 3 away from the support 2. A sliding support 5 is slidably connected to the slider 4, and a rack 6 is fixedly connected to the distal end of the sliding support 5. The outer end of the rack 6 meshes with a gear 7. A lifting frame 8 is further slidably connected to the outer end of the sliding support 5. A gearbox is fixedly connected to the lifting frame 8, and a motor and a drill bit are fixedly connected to the top and bottom ends of the gearbox, respectively.

[0045] Multiple adjusting bolts 13 are also threaded onto the sliding bracket 5. The end of the adjusting bolt 13 away from the slider 4 is provided with an internal hexagonal hole, which is used to manually loosen or tighten the position of the sliding bracket 5, so as to finely adjust or lock the vertical height of the drilling grouting device.

[0046] The shaft of gear 7 passes through the lifting frame 8, and the passing part is fitted with a handle, which makes it convenient for the operator to manually rotate gear 7, thereby driving rack 6 and lifting frame 8 to move up and down, so as to realize the advance and retreat of drill bit and control drilling depth.

[0047] The winding and unwinding device comprises a winding drum 9 rotatably connected with the support 2, and the composite pipeline 10 is wound on the winding drum 9. Through the rotation of the winding drum 9, the winding and unwinding management of the composite pipeline 10 can be realized, and the pipeline winding or excessive dragging can be prevented.

[0048] The composite pipeline 10 penetrates inside the telescopic arm 3, so that the pipeline can also move when the telescopic arm 3 rotates or telescopes horizontally.

[0049] The vehicle body 1 is provided with a stirring device and a power generation device, which are used to provide the grouting device with the stirred grouting material and power support. The motor and the drill bit are connected with the stirring device and the power generation device through the composite pipeline 10, so as to realize the power transmission and the grouting material conveying.

[0050] The vehicle body 1 is provided with a space for placing materials, which can carry and store the materials required for grouting on site.

[0051] The pumping device is arranged between the composite pipeline 10 and the stirring device, which is used to send the stirred material to the grouting device through the pipeline for grouting operation.

[0052] The telescopic arm 3 comprises at least four telescopic arms, and can rotate around the support 2 in the horizontal direction. The cross section of the telescopic arm 3 perpendicular to its length is an elliptical structure. The composite pipeline 10 comprises a cable and a pipeline, and the pipeline comprises a material pipeline and a high-pressure air pipe. The vehicle body 1 is also provided with a compressed air generating device, and the high-pressure air pipe is connected with the compressed air generating device in communication, which is used to perform high-pressure hole blowing operation in the hole after the drilling is completed.

[0053] Working principle

[0054] Device positioning and telescopic arm 3 unfolding:

[0055] When in use, the vehicle body 1 is first moved to the working position where drilling is required. The operator pulls the grouting device on the telescopic arm 3 according to the construction requirement, so that the grouting device rotates in the horizontal direction and extends the corresponding number of telescopic arms 3, until the grouting device reaches the target drilling point.

[0056] Vertical direction adjustment and drilling:

[0057] When the grouting device reaches the appropriate position, the operator manually rotates the adjusting bolt 13 to release the fixation of the sliding support 5. At this time, the sliding support 5 slides downward along the sliding block 4 under the action of gravity, and drives the rack 6, the gear 7 and the lifting frame 8 to move downward as a whole.

[0058] When the sliding support 5 slides to the required height, the adjusting bolt 13 is tightened again, so that the adjusting bolt 13 abuts against the sliding block 4, and the sliding support 5 is locked at the height.

[0059] The operator rotates the handle to drive the gear 7 to rotate, the gear 7 meshes with the rack 6 to drive the lifting frame 8 to move up and down, thereby driving the drill bit to carry out drilling operation. During drilling, the motor is connected with the power generation equipment through the composite pipeline 10 to obtain electric energy, and provides rotating power for the drill bit.

[0060] Blowing hole and grouting:

[0061] After the drilling is completed, the compressed air generating equipment on the vehicle body 1 is started, high-pressure air is introduced into the drill bit through the high-pressure air pipe in the composite pipeline 10, and the debris in the hole is blown away, so that the hole wall is cleaner.

[0062] After the hole blowing is completed, the pumping equipment is started to inject the mixed grouting material into the formed hole through the composite pipeline 10, and the grouting reinforcement work is completed.

[0063] Reeling and unreeling of the composite pipeline 10:

[0064] During the movement of the telescopic arm 3 or the drilling and grouting device, the reel 9 can automatically rotate to tighten or loosen the composite pipeline 10 according to the pipeline tension, so that the pipeline is always in a moderate tension state and will not be excessively bent or accumulated on the ground.

[0065] When the telescopic arm 3 is stretched out or the drilling and grouting device moves away from the vehicle body 1, the composite pipeline 10 is pulled, and the reel 9 rotates to pay out the pipeline.

[0066] When the telescopic arm 3 or the drilling and grouting device is retracted, the tension on the composite pipeline 10 decreases, and the reel 9 reversely rotates to automatically wind up the excess pipeline.

[0067] The vehicle body 1, the support 2, the telescopic arm 3, the drilling and grouting device, and the reeling and unreeling device are integrated in this embodiment, and the stirring equipment, the power generation equipment, and the compressed air generating equipment are simultaneously mounted on the vehicle body 1, which realizes the integrated construction of drilling, hole blowing, and grouting, reduces the trouble of frequently scheduling multiple equipment during construction, and greatly improves the construction efficiency.

[0068] The vehicle body 1 has a reserved material space, which is convenient for on-site storage of grouting materials, and can quickly and efficiently send the mixed grouting material into the composite pipeline 10 in cooperation with the pumping equipment, further shortening the construction time.

[0069] The telescopic arm 3 can independently rotate around the support 2 in the horizontal direction, and at least includes four telescopic arm segments, each of which has a reasonable length and cross-sectional structure (elliptical) to ensure strength and reduce weight, facilitating multi-directional deployment.

[0070] Multiple telescopic arms 3 can be simultaneously stretched out to different positions, and in cooperation with multiple drilling and grouting devices, multiple point operations can be carried out simultaneously in large-area construction of airport runways, significantly improving the construction efficiency.

[0071] By adjusting bolt 13 to loosen or lock the sliding bracket 5, the operator can precisely adjust the vertical height of the drilling grouting device according to construction needs.

[0072] The gear 7 and rack 6 work together to drive the lifting frame 8, enabling precise advance and retreat of the drill bit, thereby meeting the drilling requirements of different depths or strata.

[0073] The winding and unwinding device uses a drum 9 to centrally manage the composite pipeline 10. When the telescopic arm 3 or the drilling and grouting device moves back and forth, the drum 9 can automatically unwind or rewind the line according to the actual tension, avoiding the pipeline from piling up on the ground due to excessive length, and improving the safety and cleanliness of on-site operations.

[0074] The composite pipeline 10 runs through the inside of the telescopic boom 3, and will not be affected by external obstacles during operation, reducing the risk of pipeline entanglement or breakage between equipment.

[0075] The compressed air generator mounted on the vehicle body 1 is connected to the high-pressure air pipe in the composite pipeline 10, which can directly blow high-pressure air into the hole after drilling is completed, promptly cleaning debris and impurities in the hole and ensuring the grouting effect.

[0076] In summary, this embodiment achieves efficient operation of drilling, blowing, and grouting in rapid airport runway construction through the organic integration of various structures and functions. It enables simultaneous operation of multiple workstations and allows for the rational management of the composite pipeline 10 through the deployment and take-up device. This solves the problems of cumbersome and inefficient traditional construction equipment and messy pipelines, and has significant economic and technological promotion value.

[0077] Example 2

[0078] like Figures 1 to 12 As shown, based on the basic structure of this embodiment, and relying on the core components and working principles such as the vehicle body 1, bracket 2, telescopic arm 3, drilling and grouting device, and take-up and release device described in Embodiment 1, this embodiment focuses on improving the adapter ring 11 added between the drum 9 and the bracket 2, and the return spring 12 fixedly connected to the drum 9. This improvement aims to achieve more flexible and efficient take-up and release management of the composite pipeline 10 while maintaining the high efficiency of drilling and grouting operations. The following details the newly added or improved technical content in this embodiment, in conjunction with specific implementation methods, working principles, and beneficial effects.

[0079] A transition ring 11 is provided between the support 2 and the drum 9. The transition ring 11 is fixedly connected to the support 2 and rotatably connected to the drum 9. One end of the transition ring 11 is connected to the composite pipeline 10, and the other end is connected to the pumping equipment.

[0080] By fixing the adapter ring 11 on the bracket 2 and connecting it with the winding drum 9, the stable communication between the pumping device and the composite pipeline 10 can be maintained when the winding drum 9 rotates with the movement of the telescopic arm 3, avoiding the twisting or winding of the composite pipeline 10 during the rotation or telescoping process.

[0081] The sealing structure is adopted at the pipe connection between the adapter ring 11 and the composite pipeline 10 and the pumping device, ensuring the normal flow of materials and high-pressure gas even when the winding drum 9 rotates.

[0082] The reset spring 12 is fixedly connected to the winding drum 9 in this embodiment, and the end of the reset spring 12 away from the winding drum 9 is fixedly connected to the bracket 2.

[0083] The reset spring 12 is fixed at one end to the winding drum 9 and at the other end to the bracket 2, so that when the composite pipeline 10 is pulled, the winding drum 9 rotates in the direction of the pulling force, and when the pulling force on the composite pipeline 10 weakens, the reset spring 12 drives the winding drum 9 to rotate in the opposite direction to automatically wind the composite pipeline 10.

[0084] Due to the certain elastic pre-tightening of the reset spring 12, the telescoping or recovery of the composite pipeline 10 during the construction process is more smooth, and a moderate tensioning state is always maintained.

[0085] This embodiment continues the technical features of the drilling and grouting device, the telescopic arm 3, the telescoping and horizontal rotating characteristics, the mixing device and power generation device on the vehicle body 1, and the composite pipeline 10 containing cables, material pipelines, and high-pressure gas pipelines described in embodiment 1.

[0086] The space for placing materials on the vehicle body 1 is still reserved, and the mixed slurry is delivered to the composite pipeline 10 through the pumping device. The telescopic arm 3 includes at least four sections, and the cross section is an elliptical structure to ensure the balance between strength and weight reduction.

[0087] To adapt to long-time and high-load operation, embodiment 2 is also equipped with a compressed air generating device to complete the hole blowing operation through the high-pressure gas pipeline in the composite pipeline 10.

[0088] Working principle

[0089] Similar to the overall working principle of embodiment 1, the following focuses on the performance and role of the newly added or improved parts in the use process:

[0090] Mobile positioning and drilling and grouting device deployment

[0091] When the vehicle body 1 is moved to the appropriate position, the operator can pull the telescopic arm 3 according to the needs, so that each drilling and grouting device reaches the target drilling point. At this time, the composite pipeline 10 is pulled out or retracted according to the movement of the telescopic arm 3. Since the adapter ring 11 is fixedly connected with the support 2 and can be rotationally matched with the winding drum 9, the composite pipeline 10 is always in smooth communication with the pumping device, and the pipeline winding or excessive bending will not occur.

[0092] Reset spring 12 controls the winding and unwinding of the composite pipeline 10

[0093] When the telescopic arm 3 is pulled to move away from the vehicle body 1, the composite pipeline 10 is unwound due to the external pulling force, and the winding drum 9 is pulled to rotate and pay off the line. At this time, the reset spring 12 is stretched to store energy. When the telescopic arm 3 or the drilling and grouting device returns to the direction close to the vehicle body 1, the pulling force on the composite pipeline 10 decreases, and the winding drum 9 starts to rotate in the opposite direction to take up the line under the pull of the reset spring 12, so that the composite pipeline 10 is automatically wound.

[0094] By means of this automatic winding and unwinding mechanism, the pipeline at the construction site can be kept clean, and the operator does not need to manually arrange the pipeline, which significantly improves the construction convenience and safety.

[0095] Drilling, hole blowing and grouting process

[0096] When the drilling and grouting device reaches the appropriate position, the operator manually rotates the adjusting bolt 13 to unlock the sliding support 5, so that the sliding support 5 and the rack 6, the gear 7 and the lifting frame 8 slide to the predetermined height under the action of gravity. Then the adjusting bolt 13 is fixed again.

[0097] The gear 7 is rotated by the handle to mesh with the rack 6 to move the drill bit up and down to drill a hole. After the hole is drilled to the designed depth, high-pressure air is introduced into the drill bit through the compressed air generating device on the vehicle body 1 to quickly clean the hole.

[0098] After the hole blowing is completed, the stirring device is started, and the cement slurry is injected into the hole by the pumping device. Since the adapter ring 11 effectively maintains the smooth connection of the pipeline with the pumping device, and the reset spring 12 realizes the follow-up management of the composite pipeline 10, the construction personnel can quickly switch to the next drilling position for grouting.

[0099] Construction process and parameter control

[0100] The grouting construction adopts the deep pressure grouting method, and the cement slurry is pressed into the position at least 5 cm but not more than 7 cm below the base layer under the conventional pressure of 0.3-0.5 MPa. The specific vertical depth can be determined through site test.

[0101] The grouting holes are arranged in the form of a quincunx, and the hole positions are evenly arranged between the boards. If the grouting pressure exceeds 1.0 MPa during actual construction, the grouting should be stopped immediately, and after the pressure is dissipated, the grouting can be performed again in a small flow mode.

[0102] After grouting is completed, the hole opening should be temporarily plugged, the grouting material is removed after initial setting, and subsequent operations such as cleaning the hole are performed to ensure that there is no residual construction sewage and debris in the hole.

[0103] The addition of the adapter ring 11 allows the reel 9 to be stably connected with the pumping device at different angles, reducing the risk of local twisting, knotting or wear of the composite pipeline 10 during operation. Regardless of the rotation or extension of the telescopic arm 3, the supply of the composite pipeline 10 and the blowing hole gas flow can be smoothly transmitted.

[0104] Compared with the simple winding and unwinding mode of the reel 9 in embodiment 1, this embodiment adds a return spring 12 to the reel 9, so that the composite pipeline 10 can be automatically placed under a continuous slight tension, ensuring that it is not dragged or loosened and knotted, and can be quickly pulled out when needed. The combination of the reel 9 and the return spring 12 effectively improves the pipeline management efficiency during large-scale operation, and the site is more tidy and safe.

[0105] Due to the synergistic effect of the adapter ring 11 and the return spring 12, the construction personnel do not need to frequently manually wind or adjust the composite pipeline 10, greatly saving manpower and time. At the same time, the pipelines at the work site are orderly, reducing the risk of tripping or the possibility of pipelines being accidentally crushed by mechanical parts.

[0106] Meanwhile, in combination with the multi-telescopic arm 3 structure in embodiment 1, this embodiment can independently operate multiple drilling and grouting devices within the airport runway range as needed, expand the quincunx arrangement of the grouting holes and control the grouting pressure. When grouting at a certain hole position is completed, the operator only needs to rotate or retract the telescopic arm 3, and the return spring 12 will automatically drive the reel 9 to recover the composite pipeline 10, quickly switch to other hole positions for continuous construction, greatly improving the construction progress.

[0107] This embodiment still has all the functions of deep pressure grouting, and the grouting hole position, grouting depth, grouting pressure and grouting sequence can be adjusted in real time according to the site test situation. The parameters such as the amount of board lifting and grouting pressure are easy to monitor and control. Once abnormal conditions such as grouting leakage, grouting overflow or sudden pressure increase occur during construction, the integrated management of the equipment and the real-time tensioning and recovery mechanism of the pipeline can temporarily stop grouting and troubleshoot or switch operations in the first time.

[0108] In summary, the embodiment 2 further optimizes the management mode of the composite pipeline 10 by the adapter ring 11 and the reset spring 12 under the premise of keeping the same function as the embodiment 1, avoids the pipeline distortion, knot and other phenomena, realizes the automatic recovery and continuous tensioning, and greatly improves the overall performance and reliability of the equipment in the airport runway drilling and grouting construction operation. In combination with the foregoing deep pressure grouting construction process, a safer, more efficient and more accurate construction effect can be achieved.

[0109] The above only describes the preferred embodiments of the present application, and it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concepts described herein by the above teachings or related technical or knowledge. Any modification and change made by the person skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. An airport runway drilling and grouting integrated rapid construction equipment, comprising a vehicle body (1), characterized in that, The vehicle body (1) is provided with a support (2), a plurality of telescopic arms (3) are rotatably connected to the support (2), a drilling and grouting device is fixedly connected to one end of each telescopic arm (3) away from the support (2), a winding and unwinding device corresponding to each telescopic arm (3) is fixedly connected to the support (2), the drilling and grouting device comprises a sliding block (4) fixedly connected to one end of the telescopic arm (3) away from the support (2), a sliding support (5) is slidably connected to the sliding block (4), a rack (6) is fixedly connected to one end of the sliding support (5) away from the sliding block (4), the outer end of the rack (6) is engagedly connected with a gear (7), a lifting frame (8) is slidably connected to the outer end of the sliding support (5), a gearbox is fixedly connected to the lifting frame (8), a motor and a drill bit are fixedly connected to the top end and the bottom end of the gearbox respectively, the winding and unwinding device comprises a winding drum (9) rotatably connected to the support (2), a composite pipeline (10) is wound on the winding drum (9), the vehicle body (1) is provided with a stirring device and a power generation device, the motor and the drill bit are connected to the stirring device and the power generation device through the composite pipeline (10).

2. The integrated rapid construction equipment for airport runway drilling and grouting according to claim 1, characterized in that: The vehicle body (1) is also provided with a space for placing materials, and a pumping device is arranged between the composite pipeline (10) and the stirring device for pumping the stirred materials.

3. The integrated rapid construction equipment for airport runway drilling and grouting according to claim 1, characterized in that: The telescopic arm (3) comprises at least four telescopic arms, the telescopic arm (3) can rotate around the support (2) in the horizontal direction, and the composite pipeline (10) penetrates through the telescopic arm (3).

4. The integrated rapid construction equipment for drilling and grouting of an airport runway according to claim 2, characterized in that: An adapter ring (11) is arranged between the winding drum (9) and the support (2), the adapter ring (11) is fixedly connected to the support (2), the adapter ring (11) is rotatably connected to the winding drum (9), one end of the adapter ring (11) is connected to the composite pipeline (10), and the other end of the adapter ring (11) is connected to the pumping device.

5. The integrated rapid construction equipment for drilling and grouting of an airport runway according to claim 1, characterized in that: A return spring (12) is fixedly connected to the winding drum (9), and one end of the return spring (12) away from the winding drum (9) is fixedly connected to the support (2).

6. The integrated rapid construction equipment for drilling and grouting of an airport runway according to claim 1, characterized in that: A plurality of adjusting bolts (13) are threadedly connected to the sliding support (5), the adjusting bolts (13) are provided with an inner hexagonal hole at one end away from the sliding block (4), and the adjusting bolts (13) are used for adjusting the position of the sliding support (5).

7. The integrated rapid construction equipment for drilling and grouting of an airport runway according to claim 1, characterized in that: The rotating shaft of the gear (7) penetrates through the lifting frame (8), and handles are clamped on the penetrating portions.

8. The integrated rapid construction equipment for drilling and grouting of an airport runway according to claim 1, characterized in that: The cross section of the telescopic arm (3) perpendicular to the length of the telescopic arm (3) is an elliptical structure, the composite pipeline (10) comprises a cable and a pipeline, the pipeline comprises a material pipeline and a high-pressure gas pipeline, the vehicle body (1) is also provided with a compressed air generating device, and the high-pressure gas pipeline is connected to the compressed air generating device.

Citation Information

Patent Citations

  • Lifting type synchronous drilling equipment

    CN110778279A

  • Single-hole drilling machine for airport runway grouting

    CN213573883U