Concrete shrinkage joint positioning and cutting robot

Abstract

The utility model discloses a concrete shrinkage joint positioning cutting robot relates to road construction technical field. Including concrete floor cutting joint machine, still include positioning robot, and positioning robot carries concrete floor cutting joint machine positioning cutting concrete shrinkage joint, and positioning robot includes cutting guide shuttle, mobile guide unit and sets up cutting depth positioning unit on cutting guide shuttle, cutting guide shuttle is fixedly connected between concrete floor cutting joint machine, and mobile guide unit is used to guide cutting guide shuttle moving direction. The device advances through positioning robot guide concrete floor cutting joint machine to guarantee the linearity of concrete shrinkage joint cutting, guarantees the cutting quality, and through cutting depth positioning unit to the depth detection of the shrinkage joint after cutting to the position of not meeting the cutting depth requirement carries out re -cutting to further improve concrete shrinkage joint cutting quality.

Description

Technical Field

[0001] This utility model relates to the field of road construction technology, and in particular to a concrete shrinkage joint positioning and cutting robot. Background Technology

[0002] Contraction joints, also known as false joints, are expansion joints installed on large-area concrete slabs. Their purpose is to prevent irregular cracks from forming when the cement concrete slab shrinks. In road construction, when using the joint-cutting method, the joints are cut using a joint-cutting machine when the concrete reaches 25% to 30% of its design strength.

[0003] In existing technologies, concrete shrinkage joints are cut using concrete floor cutting machines. However, these machines, typically operated manually, are difficult to control in terms of the straightness of the cut. Furthermore, in controlling the cutting depth, localized areas may not meet the required depth. Most importantly, the final cut depth of the shrinkage joint is currently difficult to determine accurately, thus compromising the quality of use. Therefore, to further improve the quality of concrete shrinkage joint positioning and cutting, a concrete shrinkage joint positioning and cutting robot needs to be designed to address these technical problems. Utility Model Content

[0004] The purpose of this invention is to provide a concrete shrinkage joint positioning and cutting robot to solve the above-mentioned problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution: The present invention relates to a concrete shrinkage joint positioning and cutting robot, comprising a concrete floor cutting machine and a positioning robot, wherein the positioning robot is mounted on the concrete floor cutting machine to position and cut concrete shrinkage joints, and the positioning robot comprises a cutting guide shuttle, a moving guide unit, and a cutting depth positioning unit disposed on the cutting guide shuttle. The cutting guide shuttle is fixedly connected to the concrete floor cutting machine. The moving guide unit is used to guide the moving direction of the cutting guide shuttle. The cutting depth positioning unit is used to detect the cutting depth of the shrinkage joint of the concrete floor cutting machine as the cutting guide shuttle moves.

[0006] Furthermore, the moving guide unit includes two positioning blocks, and the positioning blocks are provided with a fixing structure to fix the positioning blocks to the ground; Two parallel steel wire ropes are connected between the two positioning blocks.

[0007] Furthermore, the fixing structure includes an assembly plate connected to the lower end of the side surface of the positioning block, and the assembly plate has a plurality of assembly holes for fixing the positioning block to the ground by means of mounting pins.

[0008] Furthermore, a wire rope tensioner is provided on the wire rope.

[0009] Furthermore, the cutting guide shuttle is a hollow cylindrical structure and is sleeved on one of the steel wire ropes. Multiple pulleys are provided on the inner side of the cutting guide shuttle on both the upper and lower sides of the steel wire rope for sliding on the steel wire rope.

[0010] Furthermore, a connecting rod is provided on one side surface of the outer side of the cutting guide shuttle, and a collar is connected to the end of the connecting rod. The collar is sleeved on another strand of the steel wire rope and slides on the steel wire rope.

[0011] Furthermore, the cutting depth positioning unit includes: A vertical probe is used to probe into the bottom of a concrete shrinkage joint. A first roller is provided at the bottom end of the vertical probe, and the first roller rolls on the bottom surface inside the concrete shrinkage joint. The top plate is fixedly connected to the cutting guide shuttle by a bracket. The top plate has a guide hole through which the vertical probe rod passes. The vertical probe rod slides in the guide hole. A plurality of second rollers are fixedly connected to the lower surface of the top plate. The limiting plate is connected to both sides of the upper end of the vertical probe, and a compression spring is connected between the limiting plate and the top plate; And a distance sensor, which is disposed at the top of the vertical probe to measure the distance between the distance sensor and the upper surface of the top plate.

[0012] The concrete shrinkage joint positioning and cutting robot provided by this utility model, as described above, has the following beneficial effects: This device guides the concrete floor cutting machine with a positioning robot to ensure the straightness of the concrete shrinkage joint cut and guarantee the cutting quality. At the same time, the cutting depth positioning unit detects the depth of the shrinkage joint after cutting and recuts any positions that do not meet the cutting depth requirements, thereby further improving the cutting quality of the concrete shrinkage joint. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0014] Figure 1 A schematic diagram of the concrete shrinkage joint positioning and cutting robot provided in an embodiment of this utility model; Figure 2 A schematic diagram of the cutting guide shuttle of the concrete shrinkage joint positioning and cutting robot provided in this embodiment of the utility model; Figure 3 A schematic diagram of the cutting depth positioning unit of the concrete shrinkage joint positioning and cutting robot provided in this embodiment of the utility model.

[0015] Explanation of reference numerals in the attached figures: 1. Concrete floor cutting machine; 2. Cutting guide shuttle; 3. Positioning block; 4. Steel wire rope; 5. Assembly plate; 6. Assembly hole; 7. Steel wire rope tensioner; 8. Pulley; 9. Connecting rod; 10. Collar; 11. Vertical probe rod; 12. First roller; 13. Top plate; 14. Support; 15. Guide hole; 16. Second roller; 17. Limiting plate; 18. Compression spring; 19. Distance sensor. Detailed Implementation

[0016] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0017] Please see Figure 1-3 The concrete shrinkage joint positioning and cutting robot includes a concrete floor cutting machine 1, which is the cutting machine used in the prior art. In this device, manual operation intervention can be performed simultaneously. It also includes a positioning robot, which is used to assist the concrete floor cutting machine 1 in the straightness and depth of the cutting joint, so as to further ensure the construction quality of concrete shrinkage joint cutting. The positioning robot is equipped with the concrete floor cutting machine 1 to position and cut the concrete shrinkage joint. The positioning robot includes a cutting guide shuttle 2, a moving guide unit, and a cutting depth positioning unit set on the cutting guide shuttle 2. The cutting guide shuttle 2 is fixedly connected to the concrete floor cutting machine 1. The moving guide unit is used to guide the movement direction of the cutting guide shuttle 2 so that during the movement of the concrete floor cutting machine 1 and the cutting of the shrinkage joint, the moving guide action of the cutting guide shuttle 2 ensures that the concrete floor cutting machine 1 moves in a straight line, thereby ensuring the straightness of the cut joint. The cutting depth positioning unit is used to detect the cutting depth of the shrinkage joint by the concrete floor cutting machine 1 as it moves with the cutting guide shuttle 2. In other words, the cutting depth positioning unit moves with the concrete floor cutting machine 1 and detects the depth of the shrinkage joint after cutting, so as to detect construction quality problems in time. If the cutting depth is not sufficient, the concrete floor cutting machine 1 can be operated to return to the position and re-cut to achieve the specified cutting depth.

[0018] Furthermore, the mobile guide unit includes two positioning blocks 3, and the positioning blocks 3 are provided with a fixing structure to fix the positioning blocks 3 to the ground; Two parallel steel wire ropes 4 are connected between the two positioning blocks 3.

[0019] Specifically, the two positioning blocks 3 are used to connect the two steel wire ropes 4 and keep the steel wire ropes 4 parallel to each other. When using the robot for construction, the positioning blocks 3 are fixed at both ends of the contraction joint through the fixing structure of the two positioning blocks 3, and are also fixed at both sides of the concrete to keep the steel wire ropes 4 taut so that the steel wire ropes 4 have a guiding function.

[0020] Furthermore, the fixing structure includes an assembly plate 5 connected to the lower end of the side surface of the positioning block 3. The assembly plate 5 has multiple assembly holes 6 for fixing the positioning block 3 to the ground by installing pins. During the fixing of the positioning block 3, care should be taken to pre-tighten the steel wire rope 4.

[0021] Furthermore, a wire rope tensioner 7 is installed on the wire rope 4. Since the wire rope 4 cannot be fully straightened before being pre-tensioned, it is further tightened by the wire rope tensioner 7 to better guide it. The tensioned wire rope has a certain rigidity, and its length is generally not too long, so it will not wobble. Combined with the fact that the concrete floor cutting machine 1 itself has a certain linear positioning function, it can better ensure that the concrete floor cutting machine 1 travels in a straight line and cuts concrete, reducing the workload of the operator of the concrete floor cutting machine 1.

[0022] Furthermore, the cutting guide shuttle 2 is a hollow cylindrical structure and is fitted onto one of the steel wire ropes 4. Multiple pulleys 8 are provided on the inner side of the cutting guide shuttle 2 on both the upper and lower sides of the steel wire rope 4 for sliding on the steel wire rope 4. Through the sliding support of the pulleys 8, the cutting guide shuttle 2 can smoothly slide along one of the steel wire ropes 4, so as to guide the concrete floor cutting machine 1 to move in a straight line.

[0023] Furthermore, a connecting rod 9 is provided on one side surface of the outer side of the cutting guide shuttle 2. A collar 10 is connected to the end of the connecting rod 9. The collar 10 is sleeved on another steel wire rope 4 and slides on the steel wire rope 4. The connecting rod 9 and the collar 10 play an auxiliary role in the movement of the cutting guide shuttle 2, which can effectively ensure that the cutting guide shuttle 2 will not rotate relative to the steel wire rope 4, so as to ensure the stability of the movement and guidance of the cutting guide shuttle 2.

[0024] Furthermore, the cutting depth positioning unit includes: A vertical probe 11 is used to probe into the bottom of the concrete shrinkage joint. A first roller 12 is provided at the bottom end of the vertical probe 11. The first roller 12 rolls on the bottom surface inside the concrete shrinkage joint. The top plate 13 is fixedly connected to the cutting guide shuttle 2 by a bracket 14. The top plate 13 has a guide hole 15 for the vertical probe 11 to pass through. The vertical probe 11 slides in the guide hole 15. Multiple second rollers 16 are fixedly connected to the lower surface of the top plate 13. Limiting plate 17, both sides of the upper end of vertical probe 11 are connected to limiting plate 17, and compression spring 18 is connected between limiting plate 17 and top plate 13; And a distance sensor 19, which is located at the top of the vertical probe 11 to measure the distance between the distance sensor 19 and the upper surface of the top plate 13.

[0025] Specifically, the vertical probe 11 can slide within the guide hole 15 of the top plate 13 and be elastically pushed downwards by the compression spring 18 on the limiting plate 17. This allows the vertical probe 11 and its first roller 12 to directly penetrate the cut shrinkage joint, and the first roller 12 to roll on the bottom surface of the concrete shrinkage joint. This process generates a longitudinal displacement of the vertical probe 11. Since the distance sensor 19 moves with the longitudinal displacement of the vertical probe 11, the distance change can be monitored by measuring the distance between the distance sensor 19 and the upper surface of the top plate 13. The difference in distance is the difference in shrinkage joint depth, which determines whether the concrete floor cutting machine 1 needs to re-cut the shrinkage joint. In addition, to better indicate the cutting depth positioning unit, a simple microcontroller can receive the detection signal from the distance sensor 19. When the received signal difference is too large, the microcontroller can control means such as signal lights and audio alarms to provide prompts, so that construction personnel can re-work at the location of the construction defect.

[0026] In summary, this device guides the concrete floor cutting machine with a positioning robot to ensure the straightness of the concrete shrinkage joint cut and guarantee the cutting quality. At the same time, the cutting depth positioning unit detects the depth of the shrinkage joint after cutting and recuts any positions that do not meet the cutting depth requirements, thereby further improving the cutting quality of the concrete shrinkage joint.

[0027] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A concrete shrinkage joint positioning and cutting robot, comprising a concrete floor cutting machine (1), characterized in that, It also includes a positioning robot, which is equipped with the concrete floor cutting machine (1) to position and cut concrete shrinkage joints. The positioning robot includes a cutting guide shuttle (2), a moving guide unit, and a cutting depth positioning unit set on the cutting guide shuttle (2). The cutting guide shuttle (2) is fixedly connected to the concrete floor cutting machine (1). The moving guide unit is used to guide the moving direction of the cutting guide shuttle (2). The cutting depth positioning unit is used to detect the cutting shrinkage joint depth of the concrete floor cutting machine (1) as the cutting guide shuttle (2) moves.

2. The concrete shrinkage joint positioning and cutting robot according to claim 1, characterized in that, The mobile guide unit includes two positioning blocks (3), and the positioning blocks (3) are provided with a fixing structure to fix the positioning blocks (3) on the ground; Two parallel steel wire ropes (4) are connected between the two positioning blocks (3).

3. The concrete shrinkage joint positioning and cutting robot according to claim 2, characterized in that, The fixing structure includes an assembly plate (5) connected to the lower end of the side surface of the positioning block (3). The assembly plate (5) has a plurality of assembly holes (6) for fixing the positioning block (3) to the ground by means of mounting pins.

4. The concrete shrinkage joint positioning and cutting robot according to claim 2, characterized in that, A wire rope tensioner (7) is provided on the wire rope (4).

5. The concrete shrinkage joint positioning and cutting robot according to claim 2, characterized in that, The cutting guide shuttle (2) is a hollow cylindrical structure and is sleeved on one of the steel wire ropes (4). Multiple pulleys (8) are provided on the inner side of the cutting guide shuttle (2) on both the upper and lower sides of the steel wire rope (4) for sliding on the steel wire rope (4).

6. The concrete shrinkage joint positioning and cutting robot according to claim 5, characterized in that, A connecting rod (9) is provided on one side surface of the cutting guide shuttle (2). A collar (10) is connected to the end of the connecting rod (9). The collar (10) is sleeved on another strand of the wire rope (4) and slides on the wire rope (4).

7. The concrete shrinkage joint positioning and cutting robot according to claim 1, characterized in that, The cutting depth positioning unit includes: A vertical probe (11) is used to probe into the bottom of the concrete shrinkage joint. A first roller (12) is provided at the bottom end of the vertical probe (11). The first roller (12) rolls on the bottom surface of the concrete shrinkage joint. The top plate (13) is fixedly connected to the cutting guide shuttle (2) by a bracket (14). The top plate (13) has a guide hole (15) through which the vertical probe (11) passes. The vertical probe (11) slides in the guide hole (15). A plurality of second rollers (16) are fixedly connected to the lower surface of the top plate (13). Limiting plate (17), the upper end of the vertical probe (11) is connected to the limiting plate (17) on both sides, and a compression spring (18) is connected between the limiting plate (17) and the top plate (13). And a distance sensor (19) is provided at the top of the vertical probe (11) to measure the distance between the distance sensor (19) and the upper surface of the top plate (13).

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