3D printing device for slope protection

Abstract

A 3D printing device for slope protection relates to the technical field of slope construction and comprises a horizontal track, adjusting support legs and a track beam. Horizontal rails are arranged at the top and the bottom of the side slope, and the two ends of the horizontal rails are connected with adjusting supporting legs used for supporting the horizontal rails; the horizontal rail is connected with a rail trolley capable of automatically walking along a rail body of the horizontal rail; the side slope protection layer is printed in a 3D printing mode, so that the labor intensity of operators can be effectively reduced, and the construction efficiency of side slope protection is greatly improved; in the printing process, along with walking of the printing trolley, the rotating disc rotates forwards and backwards within a certain angle range, the printing path is in a broken line shape, the rail trolley is static in the walking process of the printing trolley, and therefore the situation that the printing trolley and the rail trolley act at the same time, and consequently a rail beam generates large vibration amplitude is effectively avoided; and the printing precision can be effectively ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of slope construction, in particular to a 3D printing device for slope protection. Background Art

[0002] As is known, in the field of urban construction, transportation, water conservancy projects, etc., slope protection projects play a crucial role in the safety and stability of infrastructure such as roads, bridges, and reservoirs; it can effectively prevent dangerous situations such as landslides and collapses on slopes; it can prevent the erosion and loss of slope soil and protect land resources; at the same time, slope protection nets can maintain the normal growth of vegetation, prevent soil erosion, and thus beautify the environment;

[0003] In current slope protection engineering practices, especially in the construction of grid beams, the common construction method is to manually build precast blocks on-site; the construction progress is relatively slow; since a large amount of manual labor is required for formwork erection, concrete mixing and pouring, the entire project cycle is greatly extended, which is not conducive to the rapid progress and delivery of the project; to reduce the dependence on manual labor, a method of using concrete 3D printing equipment to print slope protection layers has emerged on the market. However, slopes are usually inclined planes, and existing concrete 3D printing equipment generally cannot be actually applied;

[0004] Chinese Patent (Publication No.: CN116352845A) discloses a multi-functional concrete 3D printing device and its usage method; the concrete 3D printing device of this patent includes: a control structure, a printing structure; an angle adjustment member and a nozzle yaw power member are provided between the printing frame and the arm rod of this patent, and an angle rotation member is provided on the nozzle. The controller controls the extension amount of the support legs so that the angle adjustment member drives the printing frame to rotate. The rotation of the printing frame, the nozzle yaw power member, and the rotation of the angle rotation member enable the nozzle to spray from different angles; the angle adjustment member adjusts the rotation of the printing frame to facilitate the rotation of the nozzle driven by the rotation of the printing frame. At the same time, the controller controls the rotation of the nozzle yaw power member and the angle rotation member. Under the combined action of the angle rotation member, the nozzle yaw power member, and the angle rotation member, the nozzle adapts to different plane angles in the on-site construction state and performs non-horizontal plane printing work; this patent is also used to print slope protection layers, but its structure is complex, the control difficulty is large, and accurate printing cannot be carried out. Summary of the Utility Model

[0005] In order to overcome the deficiencies in the background art, the utility model discloses a 3D printing device for slope protection.

[0006] To achieve the above utility model purpose, the utility model adopts the following technical solutions:

[0007] A 3D printing device for slope protection, comprising a horizontal track, adjusting legs and a track beam; horizontal tracks are provided at both the top and bottom of the slope, and adjusting legs for supporting the horizontal track are connected to both ends of the horizontal track; the horizontal track is connected with a track trolley capable of self-walking along the track body of the horizontal track; a track beam is erected between two track trolleys, and both ends of the track beam are respectively hinged to the two track trolleys correspondingly; the track beam is connected with a printing trolley capable of self-walking along the track body of the track beam; a telescopic device is installed at the bottom of the printing trolley, a rotating disk driven by a motor is installed at the telescopic end of the telescopic device, and a printing nozzle is installed on one side of the rotating disk; the adjusting leg comprises a supporting disk, a column is provided at the top of the supporting disk, and one side of the top of the column is correspondingly connected to the horizontal track; the bottom of the column is universally connected to the supporting disk through a ball hinge that can be locked.

[0008] Preferably, an adjusting sleeve with a closed top is sleeved on the top of the column, an adjusting stud is arranged between the inner top of the adjusting sleeve and the top of the column, the adjusting stud is correspondingly threadedly connected to the column, and a through hole for screwing the adjusting stud is provided at the top of the adjusting sleeve; a connecting rod is tightly connected to one side of the adjusting sleeve corresponding to the horizontal track, a connecting sleeve tightly connected to the horizontal track is sleeved on the rod body of the connecting rod, and a locking screw for locking the connecting rod is threadedly connected to the sleeve body of the connecting sleeve.

[0009] Preferably, a ground nail is detachably connected to the disk surface of the supporting disk.

[0010] Preferably, a telescopic rod with an adjustable and lockable length is provided at the top of the track trolley, and the track beam is correspondingly hinged to the corresponding telescopic rod.

[0011] Preferably, the track trolley comprises a driven wheel located at the top of the horizontal track, a walking wheel driven by a driving motor, and a pressing wheel located at the bottom of the horizontal track; the walking wheel of one track trolley is correspondingly synchronously driven and connected to the driven wheel of the other track trolley through a flexible shaft.

[0012] Due to the adoption of the above-mentioned technical solution, the utility model has the following beneficial effects:

[0013] (1) The 3D printing device for slope protection disclosed by the utility model has a simple structure, is easy to assemble, and has a low production cost. Printing the slope protection layer by 3D printing can effectively reduce the labor intensity of operators and greatly improve the construction efficiency of slope protection; the levelness of the horizontal track is adjusted through the adjusting legs, and large-scale leveling operations on the top and bottom of the slope are not required, which can effectively reduce the construction workload and improve the operation efficiency;

[0014] (2) Before printing, the print head is equipped with a heavy hammer to scan and detect the slope in a square wave path. When the printing trolley moves along the rail beam, the rail trolley is stationary. When the rail trolley moves along the horizontal rail body, the printing trolley is stationary. This path can effectively avoid the printing trolley and the rail trolley from moving at the same time, which will cause the rail beam to vibrate more, resulting in a larger swing of the heavy hammer or a larger jump, affecting the accuracy of the scanning detection;

[0015] (3) During the printing process, as the printing trolley moves, the rotating disk rotates forward and reverse within a certain angle range, making the printing path a broken line. The track trolley remains stationary during the movement of the printing trolley, thereby effectively avoiding the simultaneous movement of the printing trolley and the track trolley, which would cause a large vibration amplitude of the track beam and effectively ensure the printing accuracy. Since the two adjacent printing paths are symmetrical in structure, the tips of the two adjacent printing paths can be combined to enhance the overall structural strength of the slope protection layer after printing.

[0016] (4) A telescopic rod with adjustable and lockable length is provided on the top of the track trolley, and the track beam is hinged to the corresponding telescopic rod; when the horizontal track is adjusted to be horizontal and parallel, it can be fixed in position; the operator can adjust the length of one of the telescopic rods at both ends of the track beam to adjust the inclination of the track beam; the difficulty of adjusting the inclination of the track beam is greatly reduced, and the operation efficiency is effectively improved;

[0017] (5) The two rail trolleys can be synchronized by the flexible shaft, which greatly reduces the misalignment of the two rail trolleys and ensures that the slope protection layer printing operation can proceed smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the adjustable legs;

[0020] Figure 3 To print the structural diagram of the car;

[0021] Figure 4 To scan the detection path;

[0022] Figure 5 Print paths for slope protection layers;

[0023] Figure 6 This is a schematic diagram of the structure of the rail car.

[0024] In the figure: 1. Horizontal track; 2. Adjusting support leg; 2-1. Support disc; 2-2. Column; 2-3. Adjusting sleeve; 2-4. Adjusting stud; 2-5. Connecting rod; 2-6. Connecting sleeve; 2-7. Ball hinge; 2-8. Ground nail; 2-9. Locking screw; 3. Track beam; 4. Track trolley; 5. Printing trolley; 6. Telescopic device; 7. Rotary disc; 8. Printing nozzle; 9. Telescopic rod. Detailed implementation mode

[0025] The present utility model can be explained in detail through the following embodiments. The purpose of disclosing the present utility model is to protect all technical improvements within the scope of the present utility model. In the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", etc. indicating the orientation or positional relationship, it is only corresponding to the drawings of the present application for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation.

[0026] Embodiment 1, in combination with the attached Figures 1 to 5 A 3D printing device for slope protection includes a horizontal track 1, an adjusting support leg 2 and a track beam 3; horizontal tracks 1 are provided at both the top and bottom of the slope. Both ends of the horizontal track 1 are connected with adjusting support legs 2 for supporting the horizontal track 1, that is, the horizontal track 1 can be erected through the adjusting support legs 2, and the levelness of the horizontal track 1 can be adjusted through the adjusting support legs 2, without the need for large-scale leveling operations on the top and bottom of the slope, which can effectively reduce the construction workload and improve the operation efficiency.

[0027] The adjusting support leg 2 includes a support disc 2-1, and a column 2-2 is provided on the top of the support disc 2-1. One side of the top of the column 2-2 is correspondingly connected to the horizontal track 1; if there is a good horizontal support surface at the top and bottom of the slope, the horizontal track 1 can be directly erected through the column 2-2, and only the distance between the corresponding two columns 2-2 on the two horizontal tracks 1 needs to be adjusted to make the two horizontal tracks 1 parallel.

[0028] In combination with the attached Figure 2, if there is no good horizontal support surface at the top and bottom of the slope, level the ground at the position of the adjusting leg 2 so that the support plate 2-1 can effectively contact the ground, and at the same time ensure that the column 2-2 is vertical; a closed-top adjusting sleeve 2-3 is sleeved on the top of the column 2-2, and an adjusting stud 2-4 is arranged between the inner top of the adjusting sleeve 2-3 and the top of the column 2-2. The adjusting stud 2-4 is threadedly connected to the column 2-2 correspondingly, and a through hole for screwing the adjusting stud 2-4 is arranged at the top of the adjusting sleeve 2-3, that is, the adjusting stud 2-4 can be screwed by a wrench to drive the adjusting sleeve 2-3 to rise or fall, so as to achieve the purpose of adjusting the levelness of the horizontal track 1; at the same time, the inclination of the track beam 3 can be adjusted by adjusting the height position of the adjusting sleeve 2-3 so that the track beam 3 is parallel to the slope; a connecting rod 2-5 is fixedly connected to one side of the adjusting sleeve 2-3 corresponding to the horizontal track 1, and a connecting sleeve 2-6 fixedly connected to the horizontal track 1 is sleeved on the rod body of the connecting rod 2-5. A locking screw 2-9 for locking the connecting rod 2-5 is threadedly connected to the sleeve body of the connecting sleeve 2-6, that is, when adjusting the height position of the adjusting sleeve 2-3, the connecting rod 2-5 can rotate relative to the connecting sleeve 2-6, and after the levelness of the horizontal track 1 is adjusted in place, the connecting rod 2-5 can be locked by the locking screw 2-9, so that the horizontal track 1 and the adjusting sleeve 2-3 are rigidly connected, improving the stability of the horizontal track 1;

[0029] Further, the bottom of the column 2-2 is universally connected to the support plate 2-1 through a ball joint 2-7 that can be locked. That is, the ball joint 2-7 can be loosened when placing the adjusting leg 2, and the verticality of the column 2-2 can be adjusted after the support plate 2-1 stably contacts the ground. After the column 2-2 is adjusted vertically, the ball joint 2-7 is locked, effectively improving the flexibility of adjustment and reducing the leveling workload; the ground nail 2-8 is detachably connected to the disk surface of the support plate 2-1, that is, the track trolley 4 can be controlled to drive the track beam 3 to move along the horizontal track 1 to one end of the horizontal track 1. Place the ground nail 2-8 on the disk surface of the support plate 2-1 at this end of the horizontal track 1, drive the ground nail 2-8 into the ground, and fix the corresponding support plate 2-1; then, control the track trolley 4 to drive the track beam 3 to move along the horizontal track 1 to the other end of the horizontal track 1. Place the ground nail 2-8 on the disk surface of the support plate 2-1 at this end of the horizontal track 1, drive the ground nail 2-8 into the ground, and fix the corresponding support plate 2-1, which can effectively ensure that the two horizontal tracks 1 are parallel and prevent the horizontal track 1 from accidentally shifting during the subsequent printing process, resulting in the accidental jamming of the track trolley 4;

[0030] The horizontal track 1 is connected with a track trolley 4 that can travel along the body of the horizontal track 1; a track beam 3 is erected between the two track trolleys 4, and both ends of the track beam 3 are respectively hinged to the two track trolleys 4 correspondingly; the track beam 3 is connected with a printing trolley 5 that can travel along the body of the track beam 3. That is, the two track trolleys 4 can travel along the body of the horizontal track 1, thereby driving the track beam 3 to travel along the horizontal track 1, and further enabling the printing trolley 5 to travel horizontally and longitudinally to cover the slope surface and print a protective layer on the slope surface. Since the track trolley 4 that can travel along the body of the horizontal track 1 and the printing trolley 5 that can travel along the body of the track beam 3 are mature in the prior art, the structures and working principles thereof will not be described in detail in this embodiment.

[0031] It should be noted that the horizontal track 1 and the track beam 3 can be multi-specification structures of different lengths or multi-section splicing structures, so as to facilitate the erection of appropriate horizontal tracks 1 and track beams 3 according to the actual size of the slope, effectively improving the scope of application; the horizontal track 1 and the track beam 3 can both be aluminum profiles, which are light in weight and high in structural strength.

[0032] Combined with the attached Figure 3 , a telescopic device 6 is installed at the bottom of the printing trolley 5, a rotating disk 7 driven by a motor is installed at the telescopic end of the telescopic device 6, and a printing nozzle 8 is installed on one side of the rotating disk 7. That is, the distance between the printing nozzle 8 and the slope can be adjusted by controlling the telescopic device 6. The telescopic device 6 can be a telescopic cylinder with a guide rod to prevent the rotating disk 7 from malfunctioning due to the lack of rotational positioning of the telescopic rod of the telescopic device 6; during use, the printing nozzle 8 is connected to the concrete pumping device through a hose, and the concrete pumping device is used to convey concrete to the printing nozzle 8.

[0033] The printing is carried out according to the following steps:

[0034] S1. The horizontal track 1 is erected at the top and bottom of the slope by adjusting the supporting legs 2, and the levelness of the horizontal track 1 is adjusted.

[0035] S2. The track beam 3 is erected between the two track trolleys 4, and the track beam 3 is made parallel to the slope.

[0036] S3. Control the telescopic device 6 to make the printing nozzle 8 15 - 20 cm away from the slope, and hang a plumb bob at the end of the printing nozzle 8, with the plumb bob 3 - 5 cm away from the slope.

[0037] S4. Control the actions of the track trolley 4 and the printing trolley 5 to make the printing nozzle 8 carry the plumb bob and scan and detect the slope in a square wave path, as shown in the attached Figure 4 ; verify the collision risk of the printing nozzle 8 through the scan and detection. During the scan, if the plumb bob touches the slope, the operator needs to level the touched point and its surrounding area to ensure the smooth progress of the subsequent printing operation.

[0038] It should be noted that the printing nozzle 8 carries a heavy hammer to scan and detect the slope in a square wave path, that is, the track trolley 4 is stationary when the printing trolley 5 moves along the track beam 3, and the printing trolley 5 is stationary when the track trolley 4 moves along the horizontal track 1. This path can effectively avoid the printing trolley 5 and the track trolley 4 from moving at the same time, resulting in a large vibration amplitude of the track beam 3, resulting in a large swing amplitude of the heavy hammer, or a large jump, affecting the accuracy of the scanning detection;

[0039] S5, lock and adjust the legs 2, so that the print head 8 is connected to the concrete pumping device through the hose; control the telescopic device 6 to make the print head 8 3 to 5 cm away from the slope, control the printing trolley 5 to move along the track beam 3 to print the protective layer, and control the rotating disk 7 to rotate during the movement of the printing trolley 5 so that the printing path is a broken line, as shown in the attached figure. Figure 5 As shown, attached Figure 5 The middle fold line is the printing path of the print nozzle 8, the vertical line is the walking path of the printing trolley 5, and the horizontal line is the walking path of the track trolley 4; after the printing trolley 5 walks from one end of the track beam 3 to the other end, the track trolley 4 is controlled to walk the width of a printing path, and the printing trolley 5 is controlled to walk in the opposite direction, so that the printing path is symmetrical with the previous printing path; that is, during the printing process, as the printing trolley 5 moves, the rotating disk 7 reverses within a certain angle range, so that the printing path is a fold line, and the track trolley 4 is stationary during the walking of the printing trolley 5, thereby effectively avoiding the simultaneous movement of the printing trolley 5 and the track trolley 4, resulting in a large vibration amplitude of the track beam 3, which can effectively ensure the printing accuracy; since the two adjacent printing paths are symmetrical in structure, the tips of the two adjacent printing paths can be combined to enhance the overall structural strength of the printed slope protection layer; after the slope protection layer is printed, a diamond grid structure is formed, which is convenient for the subsequent planting of flowers and plants in the mesh.

[0040] Embodiment 2, in actual use, it is found that it is difficult to adjust the inclination of the track beam 3 by adjusting the height of the adjustment sleeve 2-3, and it often requires the cooperation of multiple people to make adjustments, and the adjustment takes a long time, which seriously affects the construction progress. In order to solve this technical defect, this embodiment is further improved;

[0041] Combined with Figure 1, a 3D printing device for slope protection, which is different from Example 1 in that, based on Example 1, a telescopic rod 9 with adjustable and lockable length is provided on the top of the track trolley 4, and the track beam 3 is hinged to the corresponding telescopic rod 9; that is, when the horizontal track 1 is adjusted to be horizontal and parallel, it can be fixed in position; the operator can adjust the length of one of the telescopic rods 9 at both ends of the track beam 3 to adjust the inclination of the track beam 3; the difficulty of adjusting the inclination of the track beam 3 is greatly reduced, and the working efficiency is effectively improved.

[0042] Embodiment 3, in actual use, it is found that the two rail trolleys 4 may be out of sync during the walking process. If the two rail trolleys 4 are misaligned, the rail trolleys 4 and the corresponding horizontal rails 1 will be stuck, resulting in the inability to continue the slope protection layer printing operation; in order to solve this technical defect, this embodiment is further improved;

[0043] Combined with Figure 6 , a 3D printing device for slope protection, based on embodiment 1 or 2, the track trolley 4 includes a driven wheel located at the top of the horizontal track 1 and a traveling wheel driven by a driving motor, and a clamping wheel located at the bottom of the horizontal track 1; the driven wheel, the traveling wheel and the clamping wheel are arranged in a triangle, and the horizontal track 1 passes through the middle, which can effectively improve the running stability of the track trolley 4; the traveling wheel of one track trolley 4 is connected to the driven wheel of another track trolley 4 through a corresponding synchronous transmission through a flexible shaft; that is, the two track trolleys 4 are synchronized through the flexible shaft, which greatly reduces the misalignment of the two track trolleys 4 and ensures that the slope protection layer printing operation can proceed smoothly;

[0044] It should be noted that the flexible shaft is fixed on the track beam 3 to avoid mutual interference between the flexible shaft and the printing trolley 5; the running wheels of one track trolley 4 and the driven wheels of another track trolley 4 are located in the same direction to avoid crossing of the two flexible shafts.

[0045] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended that all changes that fall within the meaning and scope of equivalent elements are included in the present invention.

Claims

1. A 3D printing device for slope protection, characterized by: The invention comprises a horizontal track (1), an adjustment leg (2) and a track beam (3); the horizontal track (1) is provided at the top and the bottom of the slope, and the two ends of the horizontal track (1) are connected to the adjustment leg (2) for supporting the horizontal track (1); the horizontal track (1) is connected to a track trolley (4) capable of moving along the track body of the horizontal track (1); a track beam (3) is arranged between the two track trolleys (4), and the two ends of the track beam (3) are respectively hinged to the two track trolleys (4); the track beam (3) is connected to a track trolley (4) capable of moving along the track body of the track beam (3) A traveling printing carriage (5); a telescopic device (6) is installed at the bottom of the printing carriage (5); a rotating disk (7) driven by a motor is installed at the telescopic end of the telescopic device (6); a printing nozzle (8) is installed on one side of the rotating disk (7); the adjusting leg (2) comprises a supporting disk (2-1); a column (2-2) is provided on the top of the supporting disk (2-1); one side of the top of the column (2-2) is correspondingly connected to the horizontal track (1); the bottom of the column (2-2) is universally connected to the supporting disk (2-1) via a lockable ball joint (2-7).

2. The 3D printing device for slope protection according to claim 1, characterized in that: The top of the column (2-2) is sleeved with an adjustment sleeve (2-3) with a closed top, an adjustment stud (2-4) is provided between the top of the adjustment sleeve (2-3) and the top of the column (2-2), the adjustment stud (2-4) is threadedly connected to the column (2-2), and a through hole for screwing the adjustment stud (2-4) is provided at the top of the adjustment sleeve (2-3); a connecting rod (2-5) is fastenedly connected to one side of the adjustment sleeve (2-3) corresponding to the horizontal track (1), a connecting sleeve (2-6) is sleeved on the body of the connecting rod (2-5) and is fastenedly connected to the horizontal track (1), and a locking screw (2-9) for locking the connecting rod (2-5) is threadedly connected to the body of the connecting sleeve (2-6).

3. The 3D printing device for slope protection according to claim 1, characterized in that: The support plate (2-1) has a plate surface detachably connected to a ground nail (2-8).

4. The 3D printing device for slope protection according to claim 1, characterized in that: A telescopic rod (9) whose length can be adjusted and locked is provided on the top of the track trolley (4), and the track beam (3) is hingedly connected to the corresponding telescopic rod (9).

5. The 3D printing device for slope protection according to claim 1, characterized in that: The track trolley (4) comprises a driven wheel located at the top of the horizontal track (1), a traveling wheel driven by a driving motor, and a clamping wheel located at the bottom of the horizontal track (1); the traveling wheel of one track trolley (4) and the driven wheel of another track trolley (4) are connected in a corresponding synchronous transmission via a flexible shaft.

Images