A bar grid laying machine

Abstract

This utility model discloses a geogrid laying machine, including a machine body with movable wheels fixedly installed at the bottom. Two sets of support rollers are symmetrically rotatably connected to the inner sidewall of the machine body. A geogrid roll is placed above the support rollers, and a limiting component is installed above the geogrid roll. The limiting component includes an electric push rod and two connecting columns. The outer wall of the electric push rod is fixedly installed at the top center of the machine body, and a U-shaped bracket is fixedly connected to the drive end of the electric push rod. By placing the geogrid roll for laying directly on the support rollers, the limiting plate aligns with the geogrid roll and limits its position during the extension of the electric push rod, improving the stability of the geogrid roll during the laying process. At the same time, the pressure roller continuously compresses the geogrid roll without manual adjustment, making it convenient to use. The machine body can automatically lay and compress the geogrid during movement, improving the laying efficiency of the geogrid.

Description

Technical Field

[0001] This utility model relates to the field of grid laying technology, specifically a grid laying machine. Background Technology

[0002] Geogrids are a major type of geosynthetic material, possessing unique properties and functions compared to other geosynthetic materials. They are widely used for reinforcement of various dams and roadbeds, slope protection, tunnel wall reinforcement, and foundation reinforcement for permanent load-bearing structures such as large airports, parking lots, and dockyards.

[0003] Traditionally, geogrids are laid manually. The geogrid rolls are moved to the appropriate location and then pushed open to lay them. However, this method is inefficient and has high labor costs.

[0004] The existing Chinese patent with publication number CN220335870U discloses a laying device for geogrid construction. The device rolls the geogrid using a second pressing roller. However, as the thickness of the geogrid roll gradually decreases after use, it requires constant manual adjustment, which is inconvenient to use. Utility Model Content

[0005] In view of the shortcomings of the prior art, this utility model provides a grid laying machine.

[0006] The technical solution adopted by this utility model is as follows: a grid laying machine includes a machine body with movable wheels fixedly installed at the bottom. Two sets of support rollers are symmetrically and rotatably connected to the inner side wall of the machine body. A grid roll is placed above the support rollers. A limiting component is installed above the grid roll. The limiting component includes an electric push rod and two connecting columns. The outer wall of the electric push rod is fixedly installed at the top center of the machine body, and a U-shaped bracket is fixedly connected to the driving end of the electric push rod. Two sets of pressure rollers are symmetrically and rotatably connected to the inner side wall of the bracket. L-shaped limiting frames are fixedly connected to both sides of the bracket. The connecting columns penetrate the machine body, and a limiting plate is fixedly connected to one end of the connecting column. A slot is opened on the surface of the limiting plate, and the shaft end of the grid roll is inserted into the slot.

[0007] The connecting column is coaxially arranged with the grid roll, and the two connecting columns are located on both sides of the grid roll. The connecting column is I-shaped, and one end of the connecting column is provided with a hemispherical protrusion.

[0008] The outer side of the slot is provided with an annular inclined groove, and the surface of the connecting post is fitted with an elastic element.

[0009] The bottom end of the limiting frame is provided with a bending layer, and the inner side wall of the limiting frame is fixedly connected with a reinforcing rib, the other end of which is fixedly connected to the bracket.

[0010] A rangefinder is fixedly connected to the center of the bracket. The rangefinder is electrically connected to a controller, and the controller is electrically connected to an electric push rod.

[0011] The surface of the machine body and the support is equipped with a clamping assembly, which includes a clamping roller and two pull ropes. A connecting frame is rotatably connected to both sides of the clamping roller, and one end of the connecting frame is rotatably connected to the machine body via a shaft.

[0012] One end of the pull rope is fixedly connected to the connecting frame, and the other end of the pull rope is fixedly connected to the bracket.

[0013] The upper and lower sides of the pull rope are respectively provided with guide wheels, and one end of the guide wheel is rotatably connected to the machine body.

[0014] The beneficial effects of this utility model are: by placing the geogrid roll for laying directly on the support roller, the limiting plate is aligned with the geogrid roll during the extension of the electric push rod, thereby improving the stability of the geogrid roll during the laying process. At the same time, the pressure roller continuously presses the geogrid roll, eliminating the need for manual adjustment and making it convenient to use. The machine can automatically lay and press the geogrid during movement, improving the laying efficiency of the geogrid.

[0015] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The utility model will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the body structure of this utility model.

[0018] Figure 3 This is a schematic diagram of the limiting component structure of this utility model.

[0019] Figure 4 This utility model Figure 3 Enlarged view of point A.

[0020] Figure 5 This is a schematic diagram of the pressing component structure of this utility model.

[0021] Figure 1-5 Components: 1. Machine body; 2. Support roller; 3. Grating drum; 4. Limiting assembly; 41. Electric push rod; 42. Bracket; 43. Pressure roller; 44. Limiting frame; 45. Limiting disc; 46. Connecting column; 47. Slot; 48. Elastic element; 5. Rangefinder; 6. Pressing assembly; 61. Pressing roller; 62. Connecting frame; 63. Pull rope; 64. Guide wheel. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0024] This utility model provides a grid laying machine.

[0025] In this embodiment, refer to Figure 1-5 The bar grid laying machine includes a body 1 with casters fixedly mounted on its bottom. Two sets of support rollers 2 are symmetrically rotatably connected to the inner wall of the body 1. A bar grid roll 3 is placed above the support rollers 2. A limit assembly 4 is installed above the bar grid roll 3. The limit assembly 4 includes an electric push rod 41 and two connecting columns 46. The outer wall of the electric push rod 41 is fixedly installed at the top center of the body 1, and a U-shaped bracket 42 is fixedly connected to the drive end of the electric push rod 41. Two sets of pressure rollers 43 are symmetrically rotatably connected to the inner wall of the bracket 42. A flexible layer is fixedly installed on the outer wall of 43. The flexible layer is made of wear-resistant rubber material. L-shaped limit frames 44 are fixedly connected to both sides of the bracket 42. The connecting column 46 passes through the body 1, and a limit plate 45 is fixedly connected to one end of the connecting column 46. A slot 47 is opened on the surface of the limit plate 45. The shaft end of the grid drum 3 is inserted into the slot 47. A traction device, such as a traction hook or a connector, is fixedly installed on the front side of the body 1. The traction device is used to connect with the external vehicle head or other driving vehicle body to realize the movement drive of the body 1.

[0026] Specifically, the flexible layer is used to allow the pressure roller 43 to elastically press the geogrid roll. When installing the geogrid roll 3, the controller controls the electric push rod 41 to retract. The retraction of the electric push rod 41 drives the bracket 42 to rise, increasing the gap between the support roller 2 and the pressure roller 43, making it easier to place the geogrid roll 3 on the support roller 2. Then, the controller controls the electric push rod 41 to extend and drive the rubber of the bracket 42, causing the pressure roller 43 to press down on the upper surface of the geogrid roll 3, thus pressing the geogrid roll tightly. The bracket 42 descends, causing the limiting frame 44 to descend. The descending limiting frame 44 pushes the connecting column 46 to move towards the geogrid roll 3, so that the shaft end of the geogrid roll 3 is automatically inserted into the inside of the slot 47, achieving the effect of automatically limiting the geogrid roll 3. After the geogrid roll 3 is installed, one end of the geogrid is pressed down, and automatic laying can be carried out when the machine body 1 moves.

[0027] The connecting post 46 is coaxially arranged with the grid roll 3, and the two connecting posts 46 are located on both sides of the grid roll 3 respectively. The connecting post 46 is I-shaped, and one end of the connecting post 46 is provided with a hemispherical protrusion.

[0028] Specifically, the two ends of the grid roll 3 can be limited by the two connecting columns 46 and the limiting plate 45. When the grid roll 3 is placed on the support roller 2, the shaft end of the grid roll 3 automatically aligns with the slot 47, eliminating the need for manual docking and making it convenient to use. When the limiting frame 44 descends, it pushes the connecting columns 46 to move by abutting against the hemispherical protrusion.

[0029] The outer side of the slot 47 is provided with an annular inclined groove, and the surface of the connecting post 46 is fitted with an elastic element 48, which can be a steel leaf spring, a coil spring, a torsion bar spring, a rubber spring, or a shape memory alloy, etc.

[0030] Specifically, the inclined groove is used to guide the shaft end of the grid roll 3 into the slot 47 when there is a deviation between the shaft end of the grid roll 3 and the slot 47. The elastic element 48 is used to apply an outward thrust to the connecting column 46 so that the distance between the two limiting discs 45 is longer than the length of the grid roll 3 in the initial state, which makes it easier for the grid roll 3 to be placed between the two limiting discs 45.

[0031] The bottom of the limiting frame 44 is provided with a bending layer, and the inner side wall of the limiting frame 44 is fixedly connected with a reinforcing rib, the other end of which is fixedly connected to the bracket 42.

[0032] Specifically, the bending layer is used to guide the limit frame 44 to abut against the hemispherical protrusion when the limit frame 44 descends, so as to avoid the connecting column 46 blocking the descent of the limit frame 44 and causing motion interference. The reinforcing rib is used to improve the Zener fixation of the limit frame 44.

[0033] A rangefinder 5 is fixedly connected to the center of the bracket 42. The rangefinder 5 is electrically connected to a controller, which is electrically connected to the electric push rod 41.

[0034] Specifically, the distance measuring instrument 5 is used to detect the distance between the distance measuring instrument 5 and the top surface of the geogrid roll 3. As the geogrid roll is used, its thickness will continuously decrease, and at the same time, the distance between the distance measuring instrument 5 and the top surface of the geogrid roll will continuously increase. According to the detected distance, the controller controls the electric push rod 41 to extend the corresponding length, so that the pressure roller 43 can automatically adjust its height to continuously and elastically press the geogrid roll.

[0035] A clamping assembly 6 is installed on the surface of the machine body 1 and the support 42. The clamping assembly 6 includes a clamping roller 61 and two pull ropes 63. A connecting frame 62 is rotatably connected to both sides of the clamping roller 61. One end of the connecting frame 62 is rotatably connected to the machine body 1 through a shaft.

[0036] Specifically, during the geogrid laying process, the geogrid is pressed down by the gravity of the pressing roller 61 to achieve compaction of the geogrid after laying, thereby improving the laying stability of the geogrid.

[0037] One end of the pull rope 63 is fixedly connected to the connecting frame 62, and the other end of the pull rope 63 is fixedly connected to the bracket 42. Guide wheels 64 are respectively provided on the upper and lower sides of the pull rope 63. One end of the guide wheel 64 is rotatably connected to the machine body 1. A counterweight can be installed at the bottom of the machine body 1 to prevent the device from tipping over when the pressing roller 61 rotates.

[0038] Specifically, when installing the geogrid roll 3, the support 42 rises. The rise of the support 42 pulls the connecting frame 62 upward through the pull rope 63, thereby suspending the pressure roller 61 in the air, making it easy to pass the geogrid and the pressure roller 61 under it. Then, when the support 42 descends, the tension on the pull rope 63 disappears, and the connecting frame 62 rotates downward under the gravity of the pressure roller 61, so that the pressure roller 61 presses the geogrid tightly against the ground.

[0039] Working principle: When installing the geogrid roll 3, the controller controls the electric push rod 41 to retract. The retraction of the electric push rod 41 drives the bracket 42 to rise, increasing the distance between the support roller 2 and the pressure roller 43, making it easier to place the geogrid roll 3 on the support roller 2. Then, the controller controls the electric push rod 41 to extend, driving the rubber of the bracket 42, so that the pressure roller 43 presses down on the upper surface of the geogrid roll 3, making the pressure roller 43 press the geogrid roll tightly. At the same time, the bracket 42 descends, driving the limiting frame 44 to descend. The descending limiting frame 44 pushes the connecting column 46 to move towards the geogrid roll 3, so that the shaft end of the geogrid roll 3 is automatically inserted into the inside of the slot 47, achieving the effect of automatic limiting of the geogrid roll 3. After the geogrid roll 3 is installed, press down one end of the geogrid, and automatic laying can be carried out when the machine body 1 moves.

[0040] When installing the geogrid roll 3, the support 42 rises. The rise of the support 42 pulls the connecting frame 62 upward through the pull rope 63, thereby suspending the pressure roller 61 in the air, making it easy to pass the geogrid under the pressure roller 61. Then, when the support 42 descends, the tension on the pull rope 63 disappears, and the connecting frame 62 rotates downward under the gravity of the pressure roller 61, so that the pressure roller 61 presses the geogrid tightly against the ground. By pressing the geogrid down by the gravity of the pressure roller 61, the geogrid is compressed after laying, improving the laying stability of the geogrid.

[0041] Please note to all technical personnel: Although this utility model has been described according to the specific embodiments above, the concept of this utility model is not limited to this utility model. Any modification that utilizes the concept of this utility model will be included within the scope of protection of this patent right.

Claims

1. A grid laying machine comprising a machine body having mobile wheels fixedly arranged at the bottom, characterized in that: Two sets of support rollers are symmetrically and rotatably connected to the inner sidewall of the machine body. A grid roll is placed above the support rollers. A limit assembly is installed above the grid roll. The limit assembly includes an electric push rod and two connecting columns. The outer wall of the electric push rod is fixedly installed at the top center of the machine body, and a U-shaped bracket is fixedly connected to the drive end of the electric push rod. Two sets of pressure rollers are symmetrically and rotatably connected to the inner sidewall of the bracket. A flexible layer is fixedly provided on the outer sidewall of the pressure roller. L-shaped limit frames are fixedly connected to both sides of the bracket. The connecting column penetrates the machine body, and a limit plate is fixedly connected to one end of the connecting column. A slot is opened on the surface of the limit plate, and the shaft end of the grid roll is inserted into the slot.

2. The geogrid laying machine according to claim 1, characterized in that: The connecting column is coaxially arranged with the grid roll, and the two connecting columns are located on both sides of the grid roll. The connecting column is I-shaped, and one end of the connecting column is provided with a hemispherical protrusion.

3. The geogrid laying machine according to claim 1, characterized in that: The outer side of the slot is provided with an annular inclined groove, and the surface of the connecting post is fitted with an elastic element.

4. The grid laying machine according to claim 1, characterized in that: The bottom end of the limiting frame is provided with a bending layer, and the inner side wall of the limiting frame is fixedly connected with a reinforcing rib, the other end of which is fixedly connected to the bracket.

5. The geogrid laying machine according to claim 1, characterized in that: A rangefinder is fixedly connected to the center of the bracket. The rangefinder is electrically connected to a controller, and the controller is electrically connected to an electric push rod.

6. The geogrid laying machine according to claim 1, characterized in that: The surface of the machine body and the support is equipped with a clamping assembly, which includes a clamping roller and two pull ropes. A connecting frame is rotatably connected to both sides of the clamping roller, and one end of the connecting frame is rotatably connected to the machine body via a shaft.

7. The geogrid laying machine according to claim 6, characterized in that: One end of the pull rope is fixedly connected to the connecting frame, and the other end of the pull rope is fixedly connected to the bracket.

8. The geogrid laying machine according to claim 6, characterized in that: The upper and lower sides of the pull rope are respectively provided with guide wheels, and one end of the guide wheel is rotatably connected to the machine body.

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