Concrete smoothing and trowelling machine

Abstract

The utility model discloses a concrete smoothing and trowelling machine, which relates to the technical field of trowelling machines, and comprises an outer cover, a trowelling component and a hand-held bracket, and the hand-held bracket comprises a connecting section and a mounting section. The first sliding rod and the mounting section are fixed through the first positioning rod, so that the overall length of the hand-held support is adjusted, the hand-held support is shifted to deflect with the rotating shaft as the axis, the bottom of the mounting section is rotationally matched with the top of the second sliding rod, and meanwhile the second sliding rod is driven to slide along the inner surface wall of the connecting sleeve. After the included angle between the hand-held support and the outer cover reaches a proper range, the positioning rod is rotated to achieve fixation of the connecting sleeve and the second sliding rod, then axial positioning of the hand-held support is achieved, and therefore the installation angle and the overall length of the hand-held support can be adjusted according to use requirements on the basis that the working mechanism of the trowelling machine is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of trowel machines, in particular to a concrete finishing trowel machine. Background Art

[0002] The trowel is also called a finishing machine. Its main structure is a trowel rotor driven by a gasoline engine. A trowel is installed on the bottom of the cross in the middle of the rotor. The tilt direction of the trowel is consistent with the rotation direction of the rotor. The gasoline engine drives the V-belt to rotate the trowel rotor. When operating, first start the engine, hold the control handle, push both forward to move forward, and pull them back to move backward. On average, 100 to 300 m2 can be done per hour, which can improve the work efficiency by more than 30 times compared with manual troweling.

[0003] For example, a trowel machine provided in patent application number CN201420641300.3 includes a reduction box, a worm wheel and a worm are provided in the reduction box, wherein the worm wheel is provided with a worm shaft, and the end of the worm is provided with a belt input pulley; an engine is provided at the upper end of the reduction box, and a power output pulley is provided on the engine; at the same time, the reduction box and the engine are driven by a belt, and the transmission belt connects the belt input pulley and the power output pulley; a smoothing tool holder is connected to the lower end of the reduction box, and the cross center of the smoothing tool holder is fixedly connected to the worm wheel shaft, wherein the worm wheel shaft is arranged perpendicular to the smoothing tool holder; the smoothing tool holder includes a cross tool holder, which is cross-shaped, and the four cross ends of the cross tool holder are provided with cross end holes.

[0004] Based on the above search and in combination with the prior art, it is found that the main parts of the prior art similar to the above-disclosed smoothing machine are mostly composed of a hand support, a protective cover and a smoothing assembly, and the existing hand support and the protective cover are mostly connected in a direct fixation manner, and the connection angle and the overall length of the hand support are relatively fixed, which is not easy to adjust conveniently according to usage requirements. Therefore, a concrete finishing smoothing machine is proposed to improve the above problems. Utility Model Content

[0005] The purpose of this application is to provide a concrete finishing and smoothing machine to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a concrete finishing and smoothing machine, comprising an outer cover, a smoothing assembly and a hand support, the hand support comprising a connecting section and a mounting section, the open end of the connecting section is fixedly connected to a handle, the open end of the mounting section is rotatably connected to the outer wall of the outer cover through a rotating shaft, a sliding rod 1 is fixedly connected to the side of the connecting section away from the handle, the sliding rod 1 is slidably connected to the inner wall of the mounting section, a positioning rod 1 is screwedly connected to the inner wall of the mounting section, the open end of the positioning rod 1 abuts against the outer wall of the sliding rod 1, and the outer wall of the outer cover is provided with a positioning assembly for axial positioning of the mounting section.

[0007] As a further supplement to the present solution, a base plate is fixedly installed on the outer wall of the installation section, two groups of winding rods are fixedly installed on the top of the base plate, and protrusions fixedly connected to the base plate are arranged on the central axis of the two groups of winding rods, and a limiting portion for limiting the wiring harness is arranged on the top of the protrusion.

[0008] As a further supplement to the present solution, the limiting portion includes a push rod fixedly connected to the protrusion, the outer wall of the push rod is sleeved with a pressure plate, the inner wall of the pressure plate is screwed with a positioning rod three, and the open end of the positioning rod three abuts against the outer wall of the push rod.

[0009] As a further supplement to the present solution, the outer wall of the bottom plate is integrally formed with a side panel, and the side panel is fixedly connected to the mounting section via a mounting rod.

[0010] As a further supplement to the present solution, the positioning assembly includes a second slide rod and a connecting sleeve, the outer wall of the second slide rod is slidably connected to the inner wall of the connecting sleeve, the open end of the second slide rod is hinged to the mounting section, the bottom of the connecting sleeve is hinged to the outer wall of the outer cover, and the inner wall of the connecting sleeve is provided with a locking portion for locking the position of the second slide rod.

[0011] As a further supplement to the present solution, the locking portion includes a second positioning rod, the outer wall of the second positioning rod is screwed together with the inner wall of the connecting sleeve, and the open end of the second positioning rod abuts against the outer wall of the second sliding rod.

[0012] In summary, the technical effects and advantages of the utility model are:

[0013] 1. In the utility model, the slide bar 1 is pulled by the connecting section to slide along the inner surface wall of the installation section until the overall length of the hand support bracket reaches the specified requirement, and the slide bar 1 and the installation section are fixed by the positioning rod 1, so as to realize the adjustment of the overall length of the hand support bracket. The hand support bracket is turned, and the hand support bracket will deflect with the rotating shaft as the axis. While the bottom of the installation section rotates with the top of the slide bar 2, the slide bar 2 is driven to slide along the inner surface wall of the connecting sleeve until the angle between the hand support bracket and the outer cover reaches a suitable range. The positioning rod is rotated to fix the connecting sleeve and the slide bar 2, and then the axial positioning of the hand support bracket is realized, so that the installation angle and the overall length of the hand support bracket can be adjusted according to the use requirements without affecting the working mechanism of the leveling machine.

[0014] 2. In the utility model, the wiring harness connected between the handle and the smoothing assembly is adapted to the maximum opening length of the hand support. When the hand support is adjusted in length within the range of the maximum opening length, part of the wiring harness can be wound between the two sets of winding rods. After the pressure plate is pressed against the outer wall of the wiring harness by rotating and pushing down, it is fixed by the positioning rod three, thereby realizing the arrangement and storage of the wiring harness, avoiding the wiring harness from hanging significantly, and ensuring the concrete finishing and smoothing machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 Schematic diagram of the three-dimensional structure in this embodiment;

[0017] Figure 2 Schematic diagram of the structure of the second slide bar in this embodiment;

[0018] Figure 3 Schematic diagram of the structure of the slide bar in this embodiment;

[0019] Figure 4 Schematic diagram of the bottom plate structure in this embodiment.

[0020] In the figure: 1, outer cover; 2, smoothing assembly; 3, hand support; 301, connecting section; 302, installation section; 4, connecting sleeve; 5, handle; 6, sliding rod one; 7, positioning rod one; 8, sliding rod two; 9, positioning rod two; 10, positioning rod three; 11, bottom plate; 12, side piece; 13, installation rod; 14, winding rod; 15, bump; 16, top rod; 17, pressure plate. DETAILED DESCRIPTION

[0021] 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.

[0022] Example:

[0023] refer to Figure 1-4A concrete finishing and smoothing machine shown in the figure comprises an outer cover 1, a smoothing component 2 and a hand support 3, the hand support 3 comprises a connecting section 301 and a mounting section 302, the open end of the connecting section 301 is fixedly connected to a handle 5, the open end of the mounting section 302 is rotatably connected to the outer wall of the outer cover 1 through a rotating shaft, a sliding rod 6 is fixedly connected to the side of the connecting section 301 away from the handle 5, the sliding rod 6 is slidably connected to the inner wall of the mounting section 302, a positioning rod 7 is screwed and connected to the inner wall of the mounting section 302, the open end of the positioning rod 7 abuts against the outer wall of the sliding rod 6, and a positioning component for axial positioning of the mounting section 302 is provided on the outer wall of the outer cover 1;

[0024] The slide bar 16 is pulled by the connecting section 301 to slide along the inner wall of the installation section 302 until the overall length of the hand support 3 reaches the specified requirement, and the slide bar 16 and the installation section 302 are fixed by the positioning rod 17, so as to adjust the overall length of the hand support 3. The hand support 3 is moved, and the hand support 3 deflects with the rotating shaft as the axis. While the bottom of the installation section 302 rotates with the top of the slide bar 28, the slide bar 28 is driven to slide along the inner wall of the connecting sleeve 4 until the angle between the hand support 3 and the outer cover 1 reaches a suitable range. The positioning rod 29 is rotated to fix the connecting sleeve 4 and the slide bar 28, thereby realizing the axial positioning of the hand support 3, so that the installation angle and the overall length of the hand support 3 can be adjusted according to the use requirements without affecting the working mechanism of the leveling machine.

[0025] A bottom plate 11 is fixedly mounted on the outer wall of the installation section 302, two groups of winding rods 14 are fixedly mounted on the top of the bottom plate 11, a protrusion 15 fixedly connected to the bottom plate 11 is arranged on the central axis of the two groups of winding rods 14, a limiting part for limiting the position of the wire harness is arranged on the top of the protrusion 15, the limiting part includes a top rod 16 fixedly connected to the protrusion 15, a pressing plate 17 is sleeved on the outer wall of the top rod 16, a positioning rod 3 10 is screwed and connected to the inner wall of the pressing plate 17, and the open end of the positioning rod 3 10 abuts against the outer wall of the top rod 16;

[0026] It should be noted that: the top rod 16 here is to be twice as high as the winding rods 14;

[0027] The control mechanism between the smoothing assembly 2 and the handle 5 here directly refers to the prior art, so the specific connection of the brake harness is not described here;

[0028] The outer wall of the bottom plate 11 is integrally formed with a side piece 12, and the side piece 12 is fixedly connected to the mounting section 302 through the mounting rod 13, thereby ensuring the convenience of disassembly and assembly of the bottom plate 11;

[0029] The wiring harness connected between the handle 5 and the smoothing assembly is adapted to the maximum opening length of the hand support 3. When the hand support 3 is adjusted in length within the range of the maximum opening length, part of the wiring harness can be wound between the two sets of winding rods 14. After the pressure plate 17 is rotated and pushed down and pressed onto the outer wall of the wiring harness, it is fixed by the positioning rod 3 10, thereby realizing the arrangement and storage of the wiring harness, avoiding the wiring harness from overhanging to a large extent, and ensuring the concrete finishing and smoothing machine.

[0030] The positioning assembly includes a slide bar 28 and a connecting sleeve 4, the outer wall of the slide bar 28 is slidably connected to the inner wall of the connecting sleeve 4, the open end of the slide bar 28 is hinged to the mounting section 302, the bottom of the connecting sleeve 4 is hinged to the outer wall of the outer cover 1, and the inner wall of the connecting sleeve 4 is provided with a locking portion for locking the position of the slide bar 28, the locking portion includes a positioning rod 29, the outer wall of the positioning rod 29 is screwed together with the inner wall of the connecting sleeve 4, and the open end of the positioning rod 29 abuts against the outer wall of the slide bar 28, while the bottom of the mounting section 302 rotates with the top of the slide bar 28, driving the slide bar 28 to slide along the inner wall of the connecting sleeve 4 until the angle between the hand support bracket 3 and the outer cover 1 reaches a suitable range, and then the positioning rod 29 is rotated to fix the connecting sleeve 4 and the slide bar 28, thereby realizing the axial positioning of the hand support bracket 3.

[0031] The working principle of the utility model is as follows: the slide bar 16 is pulled by the connecting section 301 to slide along the inner surface wall of the installation section 302 until the overall length of the hand support bracket 3 reaches the specified requirement, and the slide bar 16 and the installation section 302 are fixed by the positioning rod 17, so as to adjust the overall length of the hand support bracket 3. When the hand support bracket 3 is turned, the hand support bracket 3 will deflect with the rotating shaft as the axis. While the bottom of the installation section 302 rotates with the top of the slide bar 28, the slide bar 28 is driven to slide along the inner surface wall of the connecting sleeve 4, until the angle between the hand support bracket 3 and the outer cover 1 reaches a suitable range, and then the positioning rod 29 is rotated to achieve the fixing of the connecting sleeve 4 and the slide bar 28. The axial positioning of the hand support 3 is achieved, so that the installation angle and the overall length of the hand support 3 can be adjusted according to the use requirements without affecting the working mechanism of the smoothing machine. The wiring harness connected between the handle 5 and the smoothing assembly is adapted to the maximum opening length of the hand support 3. When the length of the hand support 3 is adjusted within the range of the maximum opening length, part of the wiring harness can be wound between the two groups of winding rods 14, and after the pressing plate 17 is rotated and pushed down and pressed onto the outer wall of the wiring harness, it is fixed by the positioning rod three 10, so as to realize the arrangement and storage of the wiring harness, avoid the wiring harness from being overhanging to a large extent, and ensure the concrete finishing smoothing machine.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A concrete finishing and smoothing machine, comprising an outer cover (1), a smoothing component (2) and a hand support (3), characterized in that: The hand-held support (3) comprises a connecting section (301) and a mounting section (302); the open end of the connecting section (301) is fixedly connected to a handle (5); the open end of the mounting section (302) is rotatably connected to the outer wall of the outer cover (1) via a rotating shaft; a sliding rod (6) is fixedly connected to the side of the connecting section (301) away from the handle (5); the sliding rod (6) is slidably connected to the inner wall of the mounting section (302); the inner wall of the mounting section (302) is screwedly connected to a positioning rod (7); the open end of the positioning rod (7) abuts against the outer wall of the sliding rod (6); and the outer wall of the outer cover (1) is provided with a positioning component for axial positioning of the mounting section (302).

2. A concrete finishing and smoothing machine according to claim 1, characterized in that: A base plate (11) is fixedly mounted on the outer wall of the mounting section (302), two groups of winding rods (14) are fixedly mounted on the top of the base plate (11), protrusions (15) fixedly connected to the base plate (11) are arranged on the central axis of the two groups of winding rods (14), and a limiting portion for limiting the position of the wiring harness is arranged on the top of the protrusion (15).

3. A concrete finishing and smoothing machine according to claim 2, characterized in that: The limiting portion comprises a push rod (16) fixedly connected to the protrusion (15); the outer wall of the push rod (16) is sleeved with a pressure plate (17); the inner wall of the pressure plate (17) is screwedly connected with a positioning rod three (10); the open end of the positioning rod three (10) abuts against the outer wall of the push rod (16).

4. A concrete finishing and smoothing machine according to claim 3, characterized in that: The outer wall of the bottom plate (11) is integrally formed with a side panel (12), and the side panel (12) is fixedly connected to the mounting section (302) via a mounting rod (13).

5. A concrete finishing and smoothing machine according to claim 4, characterized in that: The positioning assembly comprises a second slide bar (8) and a connecting sleeve (4); the outer wall of the second slide bar (8) is slidably connected to the inner wall of the connecting sleeve (4); the open end of the second slide bar (8) is hinged to the mounting section (302); the bottom of the connecting sleeve (4) is hinged to the outer wall of the outer cover (1); and the inner wall of the connecting sleeve (4) is provided with a locking portion for locking the position of the second slide bar (8).

6. A concrete finishing and smoothing machine according to claim 5, characterized in that: The locking portion comprises a second positioning rod (9), the outer wall of the second positioning rod (9) is screwed and connected to the inner wall of the connecting sleeve (4), and the open end of the second positioning rod (9) abuts against the outer wall of the second sliding rod (8).

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