Polypropylene anti-cracking base cloth paver

By introducing a preheating tensioning mechanism and pressure regulating components into the paver, the problem of paving polypropylene crack-resistant base fabric at low temperatures was solved, achieving flexible preheating and smooth bonding of the base fabric, thus adapting to the construction needs in complex environments.

CN224047873UActive Publication Date: 2026-03-27HUNAN YIOU TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing pavers have difficulty effectively paving polypropylene crack-resistant base fabric in low-temperature environments, resulting in brittle base fabric and uneven paving, especially under terrain and wind disturbance conditions.

Method used

A paver was designed that includes a U-shaped paving support, a preheating tensioning mechanism, and a pressure regulating component. The base fabric is preheated by heating the guide roller, and combined with the adjustable tensioning frame and pressure roller, the flexibility and fit of the base fabric are ensured to adapt to different road conditions.

Benefits of technology

It effectively prevents the base fabric from cracking in low-temperature environments, ensures paving smoothness, adapts to changes in terrain and wind force, and improves paving effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a polypropylene anti-cracking base cloth paver which comprises a paving support arranged in a U shape, two vertical plates are symmetrically fixed to the two sides of the upper end of the paving support, clamping grooves are formed in the upper ends of the vertical plates, cloth winding rollers are connected to the upper ends of the vertical plates in a clamped mode, the cloth winding rollers can rotate in the clamping grooves, idler wheels are rotationally connected to the vertical walls of the two sides of the paving support, and the idler wheels are connected to the lower ends of the vertical plates. A preheating tensioning mechanism is connected to the inner wall of the paving support and comprises two symmetrical tensioning frames, and heating cloth guide rollers are rotationally connected to the two ends of the middles of the two tensioning frames correspondingly. A rectangular through hole is formed in the upper end of the paving support, a guide cloth guide roller is arranged at the position, on one side of the through hole, of the upper end of the paving support, two symmetrical pressure adjusting assemblies are arranged on the side, away from the guide cloth guide roller, of the paving support, a pressing roller is connected to the pressure adjusting assemblies, and the pressing roller and the heating cloth guide roller are arranged in parallel. The utility model belongs to the technical field of pavement anti-cracking base cloth construction, and particularly relates to a polypropylene anti-cracking base cloth paver.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to pavement anti -crack base cloth construction technical field, specifically point to a kind of polypropylene anti -crack base cloth spreader. BACKGROUND

[0002] Polypropylene anti -crack base cloth has good anti -crack performance, it is often used in wall, pavement and other parts in engineering infrastructure, to effectively prevent the generation and expansion of crack, protect the structural integrity of building, when construction, usually use spreader to be laid on the base cloth of roll.

[0003] Because polypropylene anti -crack base cloth construction temperature is generally required between 5 ℃ to 40 ℃, low temperature (<5 ℃) can cause base cloth flexibility to decline, brittle crack when spreading, therefore, the construction difficulty of existing spreader in temperature lower area is greater, and polypropylene anti -crack base cloth is mostly filament structure, ground undulation or wind disturbance causes local overload (tension fluctuation exceeds ±20%), cause base cloth to stretch deformation, the pressing roller of existing spreader cannot guarantee the adhesion of base cloth and road surface better. UTILITY MODEL CONTENTS

[0004] In view of the above situation, to overcome the defects of prior art, the utility model provides a kind of polypropylene anti -crack base cloth spreader, effectively solve the problem that the existing anti -crack base cloth spreader in temperature lower area is difficult to polypropylene anti -crack base cloth, and the problem that terrain and wind disturbance affect base cloth spreading shape and flatness.

[0005] The technical scheme adopted by the utility model is as follows: the utility model provides a kind of polypropylene anti -crack base cloth spreader, including a U-shaped setting spreader support, two vertical plates are fixed on the both sides of the upper end of the spreader support, the upper end of the vertical plate can have a clamping groove and be clamped with a cloth winding roller, and the cloth winding roller can rotate in the clamping groove, the vertical wall of the both sides of the spreader support is rotatably connected with a roller, a preheating tensioning mechanism is connected on the inner wall of the spreader support, the preheating tensioning mechanism includes two symmetrical tensioning frames, and the tensioning frame is rotatably connected on the inner wall of the spreader support, two heating guide rollers are rotatably connected on the both ends of the two tensioning frames, and the two heating guide rollers are parallel to each other;The upper end of the spreader support is provided with a rectangular through hole, and the upper end of the spreader support on one side of the through hole is provided with a guide roller, the side of the spreader support, away from the guide roller, is provided with two symmetrical pressure regulating assemblies, and the pressure regulating assembly is connected with a pressing roller, and the pressing roller and the heating guide roller are arranged in parallel.

[0006] As an improvement of the present scheme, the vertical wall of the both sides of the spreader support is rotatably connected with a swing arm, the middle of the swing arm is provided with a rotating shaft and penetrates the spreader support and is fixed to the middle of the tensioning frame, the vertical wall of the spreader support is rotatably connected with an electric push rod, and the output end of the electric push rod is rotatably connected with the movable end of the swing arm.

[0007] As the improvement of the scheme, the pressure regulating assembly comprises positioning plates, a guide sliding groove and a sliding shaft, the positioning plates are arranged on the upper end of the paving support away from the two sides of the winding roller, and the two positioning plates are symmetrically arranged, the guide sliding groove is arranged in the middle of the positioning plate and extends in the horizontal direction, and meanwhile, the guide sliding groove is uniformly provided with a plurality of grooves in the extension direction, and the sliding shaft is slidingly connected to the guide sliding groove and penetrates through the positioning plates on the two sides.

[0008] As the improvement of the scheme, the pressure regulating assembly comprises positioning plates, a guide sliding groove and a sliding shaft, the positioning plates are arranged on the upper end of the paving support away from the two sides of the winding roller, and the two positioning plates are symmetrically arranged, the guide sliding groove is arranged in the middle of the positioning plate and extends in the horizontal direction, and meanwhile, the guide sliding groove is uniformly provided with a plurality of grooves in the extension direction, and the sliding shaft is slidingly connected to the guide sliding groove and penetrates through the positioning plates on the two sides.

[0009] As the improvement of the scheme, the pressure regulating assembly comprises positioning plates, a guide sliding groove and a sliding shaft, the positioning plates are arranged on the upper end of the paving support away from the two sides of the winding roller, and the two positioning plates are symmetrically arranged, the guide sliding groove is arranged in the middle of the positioning plate and extends in the horizontal direction, and meanwhile, the guide sliding groove is uniformly provided with a plurality of grooves in the extension direction, and the sliding shaft is slidingly connected to the guide sliding groove and penetrates through the positioning plates on the two sides.

[0010] As the improvement of the scheme, the pressure regulating assembly comprises positioning plates, a guide sliding groove and a sliding shaft, the positioning plates are arranged on the upper end of the paving support away from the two sides of the winding roller, and the two positioning plates are symmetrically arranged, the guide sliding groove is arranged in the middle of the positioning plate and extends in the horizontal direction, and meanwhile, the guide sliding groove is uniformly provided with a plurality of grooves in the extension direction, and the sliding shaft is slidingly connected to the guide sliding groove and penetrates through the positioning plates on the two sides.

[0011] As the improvement of the scheme, the pressure regulating assembly comprises positioning plates, a guide sliding groove and a sliding shaft, the positioning plates are arranged on the upper end of the paving support away from the two sides of the winding roller, and the two positioning plates are symmetrically arranged, the guide sliding groove is arranged in the middle of the positioning plate and extends in the horizontal direction, and meanwhile, the guide sliding groove is uniformly provided with a plurality of grooves in the extension direction, and the sliding shaft is slidingly connected to the guide sliding groove and penetrates through the positioning plates on the two sides.

[0012] The beneficial effects achieved by the above structure of the utility model are as follows:

[0013] 1. The pressure regulating assembly is arranged, the position of the sliding shaft is adjusted, the angle of the pressure arm is adjusted, the paving height of different roads is adapted, the pressure roller is tightly attached to the anti-cracking base cloth under the action of the tension spring, the pressure roller is paved on the road surface, and the paving flatness is ensured.

[0014] 2. The preheating tensioning mechanism is adopted, the anti-cracking base cloth is preheated by the heating guide roller, the polypropylene anti-cracking base cloth maintains good flexibility during paving, and brittle cracking is avoided, the tensioning degree of the polypropylene anti-cracking base cloth during paving is adjusted when the wind is large through the rotatable and adjustable angle tensioning frame, and the paving flatness is further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides a use schematic view of a polypropylene anti-cracking base cloth paving device.

[0016] Figure 2 The utility model provides a use schematic view of a polypropylene anti-cracking base cloth paving device.Figure 1 A part of the local enlarged schematic view of the middle;

[0017] Figure 3 The schematic view of the polypropylene anti-cracking base cloth paving route of the embodiment;

[0018] Figure 4 The overall structure schematic view of the polypropylene anti-cracking base cloth paving device of the utility model;

[0019] Figure 5 The internal structure schematic view of the polypropylene anti-cracking base cloth paving device of the utility model.

[0020] Wherein, 1, paving support; 2, vertical plate; 3, winding roller; 4, roller; 5, preheating tensioning mechanism; 6, tensioning frame; 7, heating guide roller; 8, pressure regulating assembly; 9, compression roller; 10, guide roller; 11, swing arm; 12, electric push rod; 13, positioning plate; 14, guide chute; 15, sliding shaft; 16, pressure arm; 17, supporting shaft; 18, swivel ring; 19, tension spring; 20, fastening nut; 21, double-output speed reducer; 22, driving motor; 23, rotating shaft; 24, battery.

[0021] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation of the utility model. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the protection scope of the utility model.

[0023] As Figure 1 , Figure 3 , Figure 4 and Figure 5 The utility model discloses a kind of polypropylene anti-cracking base cloth paving devices, including a U-shapedly arranged paving support 1, two vertical plates 2 are symmetrically fixed on the upper end of paving support 1, the upper end of vertical plate 2 can have clamping groove and be clamped with winding roller 3, and winding roller 3 can rotate in clamping groove, roller 4 is rotatably connected on the vertical wall of the two sides of paving support 1, preheating tensioning mechanism 5 is connected on the inner wall of paving support 1, preheating tensioning mechanism 5 includes two symmetrical tensioning frames 6, and tensioning frame 6 is rotatably connected on the inner wall of paving support 1, two ends of the middle of two tensioning frames 6 are rotatably connected with heating guide roller 7 respectively, and two heating guide rollers 7 are parallel to each other;

[0024] The polypropylene anti-cracking base cloth is preheated by the heating guide cloth roller 7, which can effectively prevent brittle cracking, and the tensioning frame 6 can be adjusted to adjust the tensioning force of the polypropylene anti-cracking base cloth during paving, thereby ensuring the flatness of paving.

[0025] As shown in Figure 1 , Figure 3 and Figure 4 , the upper end of the paving support 1 is provided with a rectangular through hole, and the upper end of the paving support 1 on one side of the through hole is provided with a guide cloth roller 10. The side of the paving support 1 away from the guide cloth roller 10 is provided with two symmetrical pressure regulating assemblies 8, and the pressure regulating assembly 8 is connected with a pressure roller 9, and the pressure roller 9 is arranged in parallel with the heating guide cloth roller 7.

[0026] The polypropylene anti-cracking base cloth is always attached to the road surface during construction through the pressure regulating assembly 8 and the pressure roller 9 thereon, thereby further improving the flatness.

[0027] As shown in Figure 1 and Figure 4 , in order to adjust the angle of the tensioning frame 6 and the heating guide cloth roller 7 thereon and change the tensioning force of the polypropylene anti-cracking base cloth during paving, the side walls of the paving support 1 are rotatably connected with a swing arm 11, the middle of the swing arm 11 is provided with a rotating shaft which penetrates through the paving support 1 and is fixed to the middle of the tensioning frame 6. The side wall of the paving support 1 is rotatably connected with an electric push rod 12, and the output end of the electric push rod 12 is rotatably connected with the movable end of the swing arm 11.

[0028] As shown in Figure 2 and Figure 5 , in order to adjust the angle of the pressure arm 16 to change the height of the bottom of the pressure roller 9 and ensure that the pressure roller 9 can be attached to the paving road surface, the pressure regulating assembly 8 includes a positioning plate 13, a guide sliding groove 14 and a sliding shaft 15. The positioning plate 13 is arranged on the two sides of the upper end of the paving support 1 away from the cloth roller 3, and the two positioning plates 13 are arranged symmetrically. The guide sliding groove 14 is arranged in the middle of the positioning plate 13 and extends in the horizontal direction. Meanwhile, the guide sliding groove 14 is uniformly provided with a plurality of grooves in the extension direction. The sliding shaft 15 is slidably connected to the guide sliding groove 14 and penetrates through the positioning plate 13 on both sides. The pressure arm 16 is rotatably connected to the sliding shaft 15. The support shaft 17 is fixedly connected to the connection between the two positioning plates 13 and the paving support 1, and the support shaft 17 is arranged in parallel with the sliding shaft 15. The middle of the support shaft 17 is sleeved with a rotating ring 18, and the rotating ring 18 is provided with a tension spring 19 between the pressure arm 16. Meanwhile, the two ends of the tension spring 19 are fixedly connected to the pressure arm 16 and the rotating ring 18, respectively.

[0029] As shown in Figure 2As shown, the two ends of the sliding shaft 15 are threadedly connected with fastening nuts 20, and the fastening nuts 20 are clamped into the grooves outside the guide sliding grooves 14 and abut against the positioning plate 13 to be fixed, and the fastening nuts 20 can realize the fixing of the adjusted position of the pressing arm 16.

[0030] As shown in Figure 1 and Figure 4 As shown, the double-output reducer 21 is fixed on the vertical wall of the paving support 1 away from the pressing roller 9, and the driving motor 22 is fixed on the upper end of the paving support 1, the output shaft of the driving motor 22 is connected with the double-output reducer 21, and the two output ends of the double-output reducer 21 are connected with the rotating shaft 23, and the other end of the rotating shaft 23 penetrates through the two sides of the paving support 1 and is connected with the roller 4.

[0031] As shown in Figure 1 As shown, the upper end of the paving support 1 is provided with the storage battery 24, and the storage battery 24 is arranged between the two pressure adjusting assemblies 8.

[0032] In specific use, the cloth winding roller 3 wound with the polypropylene anti-cracking base cloth is inserted into the clamping groove on the upper end of the vertical plate 2, and the movable end of the polypropylene anti-cracking base cloth is pulled out and wound around the guide cloth roller 10, then passes through the through hole on the paving support 1, and then is wound around the two groups of heating cloth rollers 7 in sequence, and then is wound out from the bottom of the pressing roller 9, and then the driving motor 22 drives the rotating shaft 23 to rotate through the double-output reducer 21, so that the paving support 1 walks along the road surface under the rotation of the roller 4, and in this process, the polypropylene anti-cracking base cloth is gradually paved on the road surface under the action of the pressing roller 9, and the polypropylene anti-cracking base cloth is heated by the PTC ceramic heating sheet arranged in the heating cloth roller 7.

[0033] When it is necessary to adjust the height of the polypropylene anti-cracking base cloth paving, the position of the sliding shaft 15 is adjusted along the guide sliding groove 14, and the fastening nuts 20 are screwed into the grooves outside the guide sliding groove 14 to be fixed, and under the action of the tension spring 19, the bottom of the pressing arm 16 and the pressing roller 9 thereon always press the polypropylene anti-cracking base cloth to the side of the road surface, and when it is necessary to adjust the tension degree of the polypropylene anti-cracking base cloth, the swinging arm 11 is pushed to drive the tension frame 6 to rotate to adjust the angle of the two heating cloth rollers 7 through the extension and retraction of the electric push rod 12, and the above is the use process of the polypropylene anti-cracking base cloth paving device.

[0034] The utility model and its implementation mode are described above, and this description is not restrictive, and the embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A polypropylene anti-cracking base cloth paver, comprising a U-shaped paver support (1), two vertical plates (2) are symmetrically fixed on both sides of the upper end of the paver support (1), the upper end of the vertical plate (2) is provided with a clamping groove and is clamped with a cloth winding roller (3), and the cloth winding roller (3) can rotate in the clamping groove, and a roller (4) is rotatably connected to the vertical wall on both sides of the paver support (1), characterized in that: a preheating tensioning mechanism (5) is connected to the inner wall of the paver support (1), the preheating tensioning mechanism (5) comprises two symmetrical tensioning frames (6), and the tensioning frames (6) are rotatably connected to the inner wall of the paver support (1), two heating guide rollers (7) are rotatably connected to the two ends of the two tensioning frames (6), and the two heating guide rollers (7) are parallel to each other; a rectangular through hole is arranged at the upper end of the paver support (1), a guide roller (10) is arranged at the upper end of the paver support (1) on one side of the through hole, two symmetrical pressure regulating assemblies (8) are arranged on the side of the paver support (1) away from the guide roller (10), a pressure roller (9) is connected to the pressure regulating assembly (8), and the pressure roller (9) is arranged in parallel with the heating guide roller (7).

2. A polypropylene anti-cleavage mat-laying apparatus according to claim 1, characterized in that: A swing arm (11) is rotatably connected to the side wall of the paver support (1), a rotating shaft is arranged in the middle of the swing arm (11) and penetrates through the paver support (1) and is fixed to the middle part of the tensioning frame (6), an electric push rod (12) is rotatably connected to the side wall of the paver support (1), and the output end of the electric push rod (12) is rotatably connected to the movable end of the swing arm (11).

3. A polypropylene anti-creeper mat applicator according to either one of claims 1 or 2, characterized in that: The pressure regulating assembly (8) comprises a positioning plate (13), a guide sliding groove (14) and a sliding shaft (15), the positioning plate (13) is arranged on both sides of the upper end of the paver support (1) away from the cloth winding roller (3), two groups of positioning plates (13) are arranged symmetrically, the guide sliding groove (14) is arranged in the middle of the positioning plate (13) and extends in the horizontal direction, and a plurality of grooves are uniformly distributed on the extension direction of the guide sliding groove (14), and the sliding shaft (15) is slidably connected to the guide sliding groove (14) and penetrates through the positioning plate (13) on both sides.

4. A polypropylene anti-cleavage mat-laying apparatus according to claim 3, wherein: A pressure arm (16) is rotatably connected to the sliding shaft (15), a support shaft (17) is fixedly arranged between the two positioning plates (13) and connected to the paver support (1), the support shaft (17) is arranged in parallel with the sliding shaft (15), a swivel ring (18) is sleeved on the middle part of the support shaft (17), a tension spring (19) is arranged between the swivel ring (18) and the pressure arm (16), and the two ends of the tension spring (19) are fixedly arranged on the pressure arm (16) and the swivel ring (18), respectively.

5. A polypropylene anti-cleavage mat-laying apparatus according to claim 4, wherein: Tightening nuts (20) are threadedly connected to the two ends of the sliding shaft (15), the tightening nuts (20) are clamped in the grooves on the outer side of the guide sliding groove (14) and are fixedly arranged in abutment with the positioning plate (13).

6. A polypropylene anti-cleavage mat-laying apparatus according to claim 1, wherein: The double output speed reducer (21) is fixed on the vertical wall of the paving support (1) far from the compression roller (9), and the driving motor (22) is fixed on the paving support (1) above the double output speed reducer (21), the output shaft of the driving motor (22) is connected with the double output speed reducer (21), the two output ends of the double output speed reducer (21) are connected with the rotating shaft (23), and the other end of the rotating shaft (23) penetrates through the two sides of the paving support (1) and is connected with the roller (4).

7. A polypropylene anti-cleavage mat-laying apparatus according to any one of claims 1 or 6, characterised in that: The upper end of the paving support (1) is provided with the storage battery (24), and the storage battery (24) is arranged between the two pressure regulating assemblies (8).