Novel concrete pavement trowelling machine

Abstract

The utility model discloses a novel concrete pavement trowelling machine which comprises a mounting seat and a trowelling plate, a mounting groove is fixedly formed in the bottom of one side of the mounting seat, and a butt joint limiting structure is fixedly arranged between the mounting groove and the trowelling plate. Locking structures are further fixedly arranged between the two ends of the mounting base and the two ends of the trowelling plate, and a plurality of grinding mechanisms are further fixedly arranged on the other side of the mounting base. The left-right shaking of the trowelling plate is limited by arranging the butt-joint limiting structure, the rapid dismounting and mounting problem of the trowelling plate is solved by controlling the locking or unlocking state of the locking structure, and the trowelling plate replacing efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of road construction tools, in particular to a novel concrete road surface screed. BACKGROUND

[0002] The road surface screed is a mechanical device used for road construction and maintenance, also known as a road surface leveling machine or a road surface milling machine, which is usually used to repair the unevenness, concave-convex, pits and cracks or damage of the road surface to ensure the flatness and safety of the road. The road surface screed cuts or mills the uneven substances on the road surface through rotating milling cutters or knives, and then uses a road roller or a vibrating compactor to re-compact the road surface to make it flat and uniform.

[0003] In the prior art, most of the concrete road surface screeds used, wherein the screed plate of the screed is usually fixed by welding or a plurality of bolt fixing methods in order to pursue stability during use, that is, to prevent the screed plate from falling off during use. This way, the stability is guaranteed, but when the screed plate is worn out or needs to be replaced with another screed plate of different weight, the disassembly is relatively cumbersome.

[0004] Therefore, it is necessary for the inventor to design a new concrete road surface screed to overcome the above problems. SUMMARY

[0005] The main purpose of the application is to provide a novel concrete road surface screed to solve the problem of difficult disassembly and replacement of the screed plate in the related art.

[0006] In order to achieve the above purpose, the application provides a novel concrete road surface screed, which comprises a mounting seat and a screed plate, a mounting groove is fixedly arranged at the bottom of one side of the mounting seat, a butt joint limiting structure is fixedly arranged between the mounting groove and the screed plate, a locking structure is further fixedly arranged between the two ends of the mounting seat and the two ends of the screed plate, and a plurality of groups of polishing mechanisms are further fixedly arranged on the other side of the mounting seat.

[0007] Optionally, the butt joint limiting structure comprises a convex plate and a limiting groove, the convex plate is fixedly arranged on one side of the screed plate, and the limiting groove is formed in the inner wall of the mounting groove.

[0008] Optionally, the locking structure comprises an insertion groove and an insertion block assembly which are inserted into each other, the insertion groove is formed in the two ends of the screed plate, the insertion block assembly is slidingly arranged on the mounting seat, and a fixing structure is fixedly arranged between the insertion block assembly and the mounting seat.

[0009] Optionally, the fixing structure comprises a telescopic outer plate and a telescopic inner plate, the telescopic outer plate is fixedly arranged on the mounting seat, the telescopic inner plate is fixedly arranged on the plug-in block assembly, the telescopic inner plate is slidingly plugged in the telescopic outer plate, and the telescopic outer plate and the telescopic inner plate are fixedly connected through locking bolts.

[0010] Optionally, the plug-in block assembly further comprises a plug-in plate, the plug-in plate is plugged in the plug-in groove, and a height adjusting mechanism is fixedly arranged between the plug-in plate and the telescopic inner plate.

[0011] Optionally, the height adjusting mechanism comprises a lead screw, an upper end of the lead screw penetrates through the telescopic inner plate and is screw-connected with the telescopic inner plate, and a lower end of the lead screw is rotationally connected with the plug-in plate through a rotating bearing.

[0012] Optionally, a rotating handle is further fixedly arranged at a top of the lead screw.

[0013] Optionally, the polishing mechanism comprises a connecting piece and a motor, the connecting piece is fixedly connected with the mounting seat, a bottom of the connecting piece is fixedly provided with an outer cover body, a rotating piece is rotationally arranged in the outer cover body, the motor is fixedly arranged on the connecting piece, an output end of the motor penetrates through the connecting piece and is fixedly connected with the rotating piece after the outer cover body, and a bottom of the rotating piece is fixedly provided with a plurality of polishing blades.

[0014] The novel concrete pavement troweling machine has the beneficial effects that, compared with the prior art:

[0015] I. The abutting limiting structure is arranged to limit the left-right shaking of the troweling plate, the locking or opening state of the locking structure is controlled to solve the quick disassembly and assembly of the troweling plate, and the efficiency of replacing the troweling plate is greatly improved.

[0016] II. The height adjusting mechanism is arranged, so that the mounting seat can be provided with troweling plates of various specifications, and the application scenarios of the troweling machine are effectively expanded. DETAILED DESCRIPTION

[0017] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The drawings illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application. In the drawings:

[0018] Figure 1 is a whole structure diagram of the present application;

[0019] Figure 2 is a whole structure diagram of the present application Figure 1 is an enlarged view of the structure at A in the present application;

[0020] Figure 3 is the bottom schematic view of the overall structure of the utility model;

[0021] Figure 4 is the explosion view of the mounting seat and the trowelling plate of the utility model.

[0022] Among them: 1, mounting seat; 2, trowelling plate; 3, mounting groove; 4, convex plate; 5, limiting groove; 6, insertion slot; 7, telescopic sleeve outer plate; 8, telescopic sleeve inner plate; 9, locking bolt; 10, insertion plate; 11, lead screw; 12, rotating bearing; 13, rotating handle; 14, connecting piece; 15, motor; 16, cover body; 17, rotating member; 18, polishing blade. DETAILED DESCRIPTION

[0023] In order to make the person skilled in the art better understand the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0024] It should be noted that the terms "first", "second" and the like in the specification of the present application and the above-described drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0025] In the present application, the terms "up", "down", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0026] And, the above-mentioned partial terms can be used to represent other meanings in addition to the orientation or positional relationship, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in this application can be understood according to the specific circumstances.

[0027] In addition, the meaning of the term "a plurality of" should be two and more than two.

[0028] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] As Figures 1 to 4 shown, a new type of concrete pavement troweling machine, comprising a mounting seat 1 and a troweling plate 2, the bottom of one side of the mounting seat 1 is fixedly provided with a mounting groove 3, the mounting groove 3 and the troweling plate 2 are fixedly provided with a butt joint limiting structure, the two ends of the mounting seat 1 and the two ends of the troweling plate 2 are also fixedly provided with a locking structure, and the other side of the mounting seat 1 is also fixedly provided with a plurality of groups of polishing mechanisms.

[0030] Specifically, the concrete in front of the troweling plate 2 is cut and broken by the polishing mechanism, the troweling plate 2 is installed in the mounting groove 3 and limited from left and right shaking by the butt joint limiting structure, and then the troweling plate 2 and the mounting seat 1 are completely connected into a whole by the locking structure.

[0031] The butt joint limiting structure comprises a lug 4 and a limiting groove 5, the lug 4 is fixedly provided on one side of the troweling plate 2, and the limiting groove 5 is opened in the inner wall of the mounting groove 3. Specifically, the lug 4 and the limiting groove 5 are inserted and matched, which can prevent the troweling plate 2 from sliding left and right along the length direction of the mounting seat 1.

[0032] The locking structure comprises a slot 6 and a plug-in block assembly which are inserted into each other, the slot 6 is arranged at both ends of the trowel plate 2, the plug-in block assembly is slidingly arranged on the mounting seat 1, and a fixing structure is fixedly arranged between the plug-in block assembly and the mounting seat 1. The fixing structure comprises a telescopic outer plate 7 and a telescopic inner plate 8, the telescopic outer plate 7 is fixedly arranged on the mounting seat 1, the telescopic inner plate 8 is fixedly arranged on the plug-in block assembly, the telescopic inner plate 8 is slidingly inserted into the telescopic outer plate 7, and the telescopic outer plate 7 and the telescopic inner plate 8 are fixedly connected through a locking bolt 9. Specifically, when the trowel plate 2 is disassembled, the locking bolt 9 is unscrewed, at this time the telescopic inner plate 8 can be pulled out to the outside of the opening of the telescopic outer plate 7, so that the plug-in block assembly and the slot 6 are separated, at this time the trowel plate 2 can be taken out from the mounting groove 3, after replacing the new trowel plate 2, the plug-in block assembly is reinserted into the slot 6, and then the locking bolt 9 is tightened, so that the trowel plate 2 can be fixedly installed.

[0033] The plug-in block assembly further comprises an insertion plate 10 which is inserted into the slot 6, and a height adjusting mechanism is fixedly arranged between the insertion plate 10 and the telescopic inner plate 8. The height adjusting mechanism comprises a lead screw 11, the upper end of the lead screw 11 penetrates through the telescopic inner plate 8 and is threadedly connected with the telescopic inner plate 8, and the lower end of the lead screw 11 is rotationally connected with the insertion plate 10 through a rotating bearing 12. The top of the lead screw 11 is further fixedly provided with a handle 13.

[0034] Specifically, when replacing other trowel plates 2 of other weights or other specifications, the height position of the slot 6 may change, at this time the distance between the insertion plate 10 and the telescopic inner plate 8 needs to be adjusted by rotating the lead screw 11, so that the insertion plate 10 can be inserted into the slot 6.

[0035] The polishing mechanism comprises a connecting piece 14 and a motor 15, the connecting piece 14 is fixedly connected with the mounting seat 1, the bottom of the connecting piece 14 is fixedly provided with an outer cover body 16, the inner portion of the outer cover body 16 is rotationally provided with a rotating piece 17, the motor 15 is fixedly arranged on the connecting piece 14, the output end of the motor 15 penetrates through the connecting piece 14, is fixedly connected with the rotating piece 17 after penetrating through the outer cover body 16, and the bottom of the rotating piece 17 is fixedly provided with a plurality of polishing blades 18. Specifically, the motor 15 is started to drive the rotating piece 17 to rotate, and the polishing blades 18 on the rotating piece 17 cut the concrete to make the concrete particles of the road surface more uniform.

[0036] The embodiment sets the butt limiting structure to limit the left and right shaking of the troweling plate 2, and solves the quick disassembly and assembly problem of the troweling plate 2 by controlling the locking or opening state of the locking structure, greatly improving the efficiency of replacing the troweling plate 2. And by setting the height adjusting mechanism, the mounting seat 1 can install various specifications of troweling plates 2, effectively expanding the application scene of the troweling machine.

[0037] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A novel concrete paving screed characterized by: It include mounting seat (1) with trowel plate (2), one side bottom of mounting seat (1) is fixedly provided with mounting groove (3), butt joint limiting structure is fixedly arranged between mounting groove (3) and trowel plate (2), locking structure is also fixedly arranged between both ends of mounting seat (1) and both ends of trowel plate (2), the other side of mounting seat (1) is also fixedly provided with several groups of polishing mechanism.

2. A novel concrete road finisher as claimed in claim 1, characterized in that: The butt joint limiting structure includes the lug (4) and the limiting slot (5), the lug (4) is fixedly arranged on one side of the trowel plate (2), and the limiting slot (5) is formed in the inner wall of the mounting groove (3).

3. A novel concrete road finisher as claimed in claim 1, characterized in that: The locking structure includes the insertion groove (6) and the insertion block assembly, the insertion groove (6) is formed in both ends of the trowel plate (2), the insertion block assembly is slidably arranged on the mounting seat (1), and the fixing structure is fixedly arranged between the insertion block assembly and the mounting seat (1).

4. A novel concrete road finisher as claimed in claim 3, wherein: The fixing structure includes the telescopic sleeve outer plate (7) and the telescopic sleeve inner plate (8), the telescopic sleeve outer plate (7) is fixedly arranged on the mounting seat (1), the telescopic sleeve inner plate (8) is fixedly arranged on the insertion block assembly, the telescopic sleeve inner plate (8) is slidably inserted into the telescopic sleeve outer plate (7), and the telescopic sleeve outer plate (7) and the telescopic sleeve inner plate (8) are fixedly connected through the locking bolt (9).

5. A novel concrete road finisher as claimed in claim 4, wherein: The insertion block assembly further includes the insertion plate (10), the insertion plate (10) is inserted into the insertion groove (6), and the height adjusting mechanism is fixedly arranged between the insertion plate (10) and the telescopic sleeve inner plate (8).

6. A novel concrete road finisher as claimed in claim 5, characterized in that: The height adjusting mechanism includes the lead screw (11), the upper end of the lead screw (11) penetrates the telescopic sleeve inner plate (8) and is threadedly connected with the telescopic sleeve inner plate (8), and the lower end of the lead screw (11) is rotatably connected with the insertion plate (10) through the rotating bearing (12).

7. A novel concrete road finisher as claimed in claim 6, characterized in that: The top of the lead screw (11) is also fixedly provided with the rotating handle (13).

8. A novel concrete road finisher as claimed in claim 1, characterized in that: The polishing mechanism includes the connecting piece (14) and the motor (15), the connecting piece (14) is fixedly connected with the mounting seat (1), the bottom of the connecting piece (14) is fixedly provided with the outer cover body (16), the rotating piece (17) is rotatably arranged in the outer cover body (16), the motor (15) is fixedly arranged on the connecting piece (14), the output end of the motor (15) penetrates the connecting piece (14) and is fixedly connected with the rotating piece (17) after the outer cover body (16), and the bottom of the rotating piece (17) is fixedly provided with a plurality of polishing blades (18).

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