Portable road gutter apron expansion joint cutting die

Through the design of portable road flat stone expansion joint cutting mold, the problem of verticality deviation and inconsistent depth of the road flat stone cutting joint in the existing technology is solved, and the precise control of the cut joints and the improvement of construction quality is achieved, achieving the goal of achieving one-time optimization.

CN222685220UActive Publication Date: 2025-03-28SHANXI JINDIYUAN GEOLOGICAL TECH CO LTD
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Patent Information

Application Number
CN202420559360.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-22
Publication Date
2025-03-28
Estimated Expiration
2034-03-22

AI Technical Summary

Technical Problem

When cutting expansion joints of flat stones on both sides of the road, the prior art has problems such as deviation in verticality, inconsistent cutting depth and positive corner cracks, resulting in low construction quality, requiring manual repair, which is time-consuming and labor-intensive.

Method used

A portable road flat stone telescopic joint cutting mold is designed. Through mechanical adjustment of the operating frame and lifting plate, combined with real-time measurement of the display table and synchronous measurement of the induction ring, it ensures accurate control of the depth and length of the cut joint, and adapts to road flat stones with different side widths through the clamping mechanism of the cylinder group and the wheel belt.

Benefits of technology

The pass rate of cutting joints is achieved, rework is avoided, construction quality is improved, road flat stone corners are protected, and costs are saved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a portable road gutter apron expansion joint cutting die which comprises an operation frame, lifting plates are in vertical sliding fit with the centers of the bottoms of the left side and the right side of the operation frame, a sliding groove is formed in the center of the top of the operation frame, and a sliding frame is connected to the inner side of the sliding groove in a left-right sliding mode. A cutting seat is fixedly connected to the center of the bottom of the sliding frame, a cutting knife is matched with the output end of the bottom of the cutting seat, the cutting knife advances in the left-right direction, a metering cylinder is embedded and fixed to the front side of the bottom of the cutting seat, and a measuring rod is connected to the inner side of the metering cylinder in an up-down sliding mode; the operating frame is arranged to be matched with the lifting plate to mechanically adjust the height of the cutting base so as to adjust the joint cutting depth of the cutting knife, the length of the measuring rod guided into the metering cylinder is displayed in real time through the display table so as to accurately control the joint cutting depth, unification and stability of the joint cutting depth are guaranteed, and the joint cutting quality is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of road construction, in particular to a portable road leveling stone expansion joint cutting mould. Background Art

[0002] The cross-sectional dimensions of the paving stones on both sides of the road are 290×300mm (width×height). They are cast with C25 concrete and constructed using a slipform machine. An expansion joint is set every 5m, cut with a width of 5mm and a depth of 120mm. When cutting the expansion joint, due to the use of manual + mechanical cutting methods, the verticality deviation between the expansion joint and the paving stone surface is large, the cutting depth is not uniform and does not meet the design requirements, and the cutting process is likely to cause cracks and falling off at the positive corners of the paving stones, which require manual repairs at a later stage, which is time-consuming and labor-intensive. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and provides a portable paving stone expansion joint cutting mould.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a portable paving stone expansion joint cutting mold, including an operating frame, the bottom center of the left and right sides of the operating frame is slidably matched with a lifting plate, the bottom of the lifting plate is fixed with a plurality of balancing seats equidistantly front and back, a slide groove is provided at the top center of the operating frame, a slide is slidably connected to the inside of the slide groove, a cutting seat is fixedly connected to the bottom center of the slide, a cutting knife is matched with the bottom output end of the cutting seat, the cutting knife is arranged to move in the left and right directions, a metering cylinder is embedded and fixed on the front side of the bottom of the cutting seat, and the metering cylinder is fixed on the bottom front side of the cutting seat. The inner side of the cylinder is connected with a measuring rod for sliding up and down; a card plate is provided through the top of the cutting seat in the front-to-back direction; a spring sleeve is fixedly provided at the bottom of the card plate symmetrically and front-to-back; a frame rod is fixedly connected at the bottom center of the spring sleeve; a rotating seat is fixedly connected on the opposite side of the bottom of the frame rod; a turntable is rotatably matched at the output end on the opposite side of the rotating seat; an induction ring is embedded around the middle of the outer side of the turntable; the bottoms of the induction ring, the measuring rod and the cutting knife are kept horizontally flush; a wheel frame is symmetrically provided below the cutting knife; a wheel belt is matched on the outer side of the wheel frame; A frame plate is fixed symmetrically on one side of the frame plate, and a cylinder group is slidably arranged on the opposite sides of the frame plate. The opposite sides of the cylinder group extend into the inner wall of the operating frame and are fixedly connected thereto. An adjustment seat is fixedly connected to the top center of the slide, and a display table is rotatably connected to the top of the adjustment seat. The metering cylinder and the induction ring are electrically connected to the display table. Buckles are symmetrically arranged at the centers of the front and rear sides of the cutting knife, and the buckles are correspondingly assembled into the bottom output end of the cutting seat for rotational cooperation. The height of the cutting seat is mechanically adjusted by setting the operating frame to cooperate with the lifting plate to adjust the cutting seam of the cutting knife. The depth of the cutting seam is measured, and the length of the measuring rod introduced into the measuring cylinder is displayed in real time on the display table to accurately control the cutting depth. In addition, the symmetrical turntables on both sides of the cutting knife cooperate with the induction ring to synchronously measure the linear speed of the cutting seam to ensure the uniformity and stability of the cutting seam length and improve the cutting quality. Finally, the opposite wheel frames are set to cooperate with the wheel belt to buffer and clamp the two sides of the paving stone, and cooperate with the cylinder group to enable it to adaptively fix and buffer the side surfaces of paving stones with different side widths, thereby improving the construction quality of the paving stone expansion joints, meeting the design requirements, protecting the paving stone positive corners, and ensuring the one-time qualified rate of the cutting seams, thereby achieving the purpose of one-time excellence, avoiding rework and saving costs.

[0005] As a further description of the above technical solution: a buffer strip is fitted on the outer side of the wheel rim to provide squeeze buffer protection for the edge of the paving stone to prevent it from cracking.

[0006] As a further description of the above technical solution: a buffer rubber pad is fixedly connected to the bottom center of the measuring rod to provide slight buffering protection when the measuring rod is pressed downward.

[0007] As a further description of the above technical solution: the outer sides of the cylinder groups are fixedly connected with fixing plates, and the opposite sides of the fixing plates are fixedly connected with the operating frame, so as to improve the vertical stability between the cylinder group and the operating frame.

[0008] As a further description of the above technical solution: pads are symmetrically embedded and fixed on the top of the left and right sides of the operating frame, and handles are fixedly connected to the center of the opposite side of the pads to facilitate manual assistance of the entire device to cooperate with the balance seat to move in a straight line.

[0009] As a further description of the above technical solution: handles are symmetrically arranged and fixed in the middle of the left and right sides of the operating frame, which is convenient for lifting the entire device and stably setting it on both sides of the paving stone.

[0010] The utility model has the following beneficial effects:

[0011] In the utility model, a suitable cutting knife 6 is first selected and snapped into the bottom output position of the cutting seat 5, and the height of the cutting seat is mechanically adjusted by setting an operating frame and cooperating with a lifting plate to adjust the depth of the cutting seam of the cutting knife, and then the length of the measuring rod introduced into the metering cylinder is displayed in real time on the display table to accurately control the cutting depth. In addition, the symmetrical turntables on both sides of the cutting knife cooperate with the induction ring to synchronously measure its linear speed to ensure the uniformity and stability of the cutting length, so that the slide 4 can drive the cutting seat 5 and the cutting knife 6 thereon along the slide groove to move stably and accurately in a straight line, thereby improving the cutting quality. Finally, an opposing wheel frame is set to cooperate with the wheel belt to buffer and clamp the two sides of the paving stone, and cooperate with the cylinder group to enable it to perform adaptive fixed buffering on the side surfaces of paving stones with different side widths, thereby improving the construction quality of the paving stone expansion joint, meeting the design requirements, protecting the paving stone positive angle, and ensuring the one-time qualified rate of the paving, thereby achieving the purpose of one-time excellence, avoiding rework, and saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the internal structure of an operating frame in a portable paving stone expansion joint cutting mold proposed by the utility model;

[0013] Figure 2 This is a schematic structural diagram of a cutting seat and its components in a portable paving stone expansion joint cutting mold proposed by the utility model;

[0014] Figure 3 A schematic diagram of the installation structure of a wheel band in a portable paving stone expansion joint cutting mold proposed by the utility model;

[0015] Figure 4 The utility model provides an overall schematic diagram of a portable paving stone expansion joint cutting mold.

[0016] Among them, 1. operating frame; 2. lifting plate; 3. balancing seat; 4. slide; 5. cutting seat; 6. cutting knife; 7. metering cylinder; 8. measuring rod; 9. clamping plate; 10. spring sleeve; 11. frame rod; 12. rotating seat; 13. turntable; 14. induction ring; 15. wheel frame; 16. wheel belt; 17. frame plate; 18. cylinder group; 19. fixing plate; 20. adjustment seat; 21. display table; 22. pad; 23. grip; 24. carrying handle. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0019] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0020] Reference Figure 1-4The utility model provides an embodiment: a portable road leveling stone expansion joint cutting mold, including an operating frame 1, a lifting plate 2 is slidably matched at the bottom center of the left and right sides of the operating frame 1, and a plurality of balancing seats 3 are fixed at the bottom of the lifting plate 2 at equal distances from front to back, a slide groove is provided at the top center of the operating frame 1, a slide 4 is slidably connected to the inside of the slide groove, a cutting seat 5 is fixedly connected at the bottom center of the slide 4, a cutting knife 6 is matched at the bottom output end of the cutting seat 5, and the cutting knife 6 is arranged to move in the left and right directions, and a meter is fixedly fixed at the bottom front side of the cutting seat 5 The measuring cylinder 7 and the measuring cylinder 7 are connected to the measuring rod 8 by sliding up and down the inner side thereof. A card plate 9 is provided through the top of the cutting seat 5 in the front-to-back direction. A spring sleeve 10 is fixedly provided at the bottom of the card plate 9 symmetrically and front-to-back. A frame rod 11 is fixedly connected to the bottom center of the spring sleeve 10. A rotating seat 12 is fixedly connected to the opposite side of the bottom of the frame rod 11. A rotating disc 13 is rotatably matched at the output end on the opposite side of the rotating seat 12. An induction ring 14 is provided around the middle of the outer side of the rotating disc 13. The bottoms of the induction ring 14, the measuring rod 8 and the cutting knife 6 are kept horizontally level. The wheel frame 15 is symmetrically arranged below the cutting knife 6, and the outer side of the wheel frame 15 is matched with a wheel belt 16. The opposite side of the wheel frame 15 is symmetrically fixed with a frame plate 17, and the left and right opposite sides of the frame plate 17 are matched with a cylinder group 18 for sliding. The left and right opposite sides of the cylinder group 18 extend into the inner wall of the operating frame 1 and are fixedly connected thereto. The top center of the slide 4 is fixedly connected with an adjustment seat 20, and the top of the adjustment seat 20 is rotatably connected with a display table 21. The metering cylinder 7 and the induction ring 14 are electrically connected to the display table 21. The front and rear sides of the cutting knife are Buckles are symmetrically arranged at the center of the sides, and the buckles are assembled into the bottom output end of the cutting seat for rotational cooperation. Buffer belts are fitted on the outside of the wheel belt 16, and a buffer rubber pad is fixedly connected to the bottom center of the measuring rod 8. A fixing plate 19 is fixedly connected to the outside of the cylinder group 18, and the opposite side of the fixing plate 19 is fixedly connected to the operating frame 1. Pads 22 are symmetrically embedded and fixed on the top of the left and right sides of the operating frame 1, and a handle 23 is fixedly connected at the center of the opposite side of the pad 22. A carrying handle 24 is symmetrically arranged and fixed in the middle of the left and right sides of the operating frame 1.

[0021] Working principle: In the utility model, the device is set up on both sides of the top of the paving stone, and the height of the cutting seat 5 is mechanically adjusted by the operating frame 1 in cooperation with the lifting plate 2 to adjust the depth of the slit of the cutting knife 6. Then, the display table 21 is used to display in real time the length of the measuring rod 8 introduced into the metering cylinder 7 to accurately control the slit depth. In addition, turntables 13 are symmetrically arranged on both sides of the cutting knife 6 to cooperate with the induction ring 14 to synchronously measure the linear speed of the cutting knife 6, so as to ensure the uniformity and stability of the slit length and improve the slit quality. Finally, opposite wheel frames 15 are arranged to cooperate with the wheel belt 16 to buffer and clamp the two sides of the paving stone, and cooperate with the cylinder group 18 to enable it to perform adaptive fixed buffering on the side surfaces of paving stones with different side widths, thereby improving the construction quality of the paving stone expansion joint, meeting the design requirements, protecting the paving stone positive corners, and ensuring the one-time qualified rate of the slit, thereby achieving the purpose of one-time excellence, avoiding rework, and saving costs.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable paving stone expansion joint cutting mold, comprising an operating frame (1), characterized in that: A lifting plate (2) is slidably matched with the bottom center of the left and right sides of the operating frame (1), and a plurality of balancing seats (3) are fixed at equal distances from the bottom of the lifting plate (2) at the front and rear. A slide groove is provided at the top center of the operating frame (1), and a slide frame (4) is slidably connected to the inside of the slide groove. A cutting seat (5) is fixedly connected to the bottom center of the slide frame (4), and a cutting knife (6) is matched with the bottom output end of the cutting seat (5), and the cutting knife (6) is arranged to move in the left and right directions. A metering cylinder (7) is fixedly engaged with the front side of the bottom of the cutting seat (5), and a measuring rod (8) is slidably connected to the inner side of the metering cylinder (7) in an up-and-down manner. A clamping plate (9) is provided through the top of the cutting seat (5) in the front-to-back direction. A spring sleeve (10) is symmetrically fixedly provided at the bottom of the clamping plate (9) in the front-to-back direction. A frame rod (11) is fixedly connected to the center of the bottom of the spring sleeve (10). A rotating seat (12) is fixedly connected to the opposite side of the bottom of the frame rod (11). A rotating disk (13) is rotatably matched to the output end of the opposite side of the rotating seat (12). An induction ring (14) is embeddedly provided around the middle of the outer side of the rotating disk (13). The bottoms of the induction ring (14), the measuring rod (8) and the cutting knife (6) are kept horizontal and flush. A wheel frame (15) is symmetrically arranged below the cutting blade (6), and a wheel belt (16) is matched on the outer side of the wheel frame (15). A frame plate (17) is fixedly arranged symmetrically on the opposite sides of the wheel frame (15). A cylinder group (18) is slidably arranged on the opposite sides of the frame plate (17). The opposite sides of the cylinder group (18) extend into the inner wall of the operating frame (1) and are fixedly connected thereto. An adjustment seat (20) is fixedly connected at the center of the top of the slide (4), and a display table (21) is rotatably connected to the top of the adjustment seat (20). The metering cylinder (7) and the induction ring (14) are electrically connected to the display table (21). Buckles are symmetrically arranged at the center of the front and rear sides of the cutting blade (6), and the buckles are correspondingly assembled into the bottom output end of the cutting seat (5) for rotational cooperation.

2. A portable paving stone expansion joint cutting mold according to claim 1, characterized in that: The outer sides of the wheel belts (16) are fitted with buffer belts.

3. A portable paving stone expansion joint cutting mold according to claim 1, characterized in that: A buffer rubber pad is fixedly connected to the center of the bottom of the measuring rod (8).

4. A portable paving stone expansion joint cutting mold according to claim 1, characterized in that: The outer sides of the cylinder groups (18) are fixedly connected to fixing plates (19), and the opposite sides of the fixing plates (19) are fixedly connected to the operating frame (1).

5. The portable paving stone expansion joint cutting mold according to claim 1, characterized in that: Pads (22) are symmetrically embedded and fixed on the top of the left and right sides of the operating frame (1), and a handle (23) is fixedly connected to the center of the opposite side of the pad (22).

6. The portable paving stone expansion joint cutting mold according to claim 1, characterized in that: Handles (24) are symmetrically arranged and fixed in the middle of the left and right sides of the operating frame (1).

Citation Information

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