Concrete polishing machine for building construction

Abstract

The utility model discloses a concrete polishing machine for building construction, which belongs to the technical field of building construction and comprises a bottom plate, a protective box is arranged above the bottom plate, a spraying component is arranged at one end in the protective box, a lifting component is arranged in the middle in the protective box, and a polishing motor is arranged below the lifting component. A polishing motor is arranged in the protective box, a polishing disc is arranged below the polishing motor, a ventilation and heat dissipation assembly is arranged at one end of the upper portion of the protective box, and a convenient dismounting and mounting assembly is arranged between the polishing motor and the polishing disc, so that ventilation and heat dissipation of the interior of the protective box are facilitated, continuous work of the polishing motor is prevented, and heat in the protective box cannot be dissipated; according to the polishing machine, the convenient and fast assembly and disassembly assembly is arranged, so that the grinding disc can be conveniently assembled and disassembled, and the grinding disc can be conveniently maintained or replaced, and external tools are not needed.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and particularly relates to a concrete grinder for building construction. Background Art

[0002] Construction refers to the production activities during the implementation phase of a project. It is the process of constructing various buildings. It can also be said to be the process of transforming various lines on design drawings into physical objects at designated locations. Construction includes foundation engineering construction, main structure construction, roofing construction, and decorative engineering construction. During construction, concrete pavement is often poured. After pouring, burrs and bumps may appear on the pavement. Therefore, a construction concrete grinder is used to grind the concrete pavement.

[0003] Chinese patent application No. 202020643821.8 discloses a concrete grinder for construction, comprising a base plate, a first protective box fixedly mounted on the upper side of the base plate, a second protective box fixedly mounted on the upper side of the first protective box, a first motor fixedly mounted inside the second protective box, a first bevel gear fixedly connected to the output end of the first motor, a second bevel gear meshed with the surface of the first bevel gear, a threaded rod fixedly connected to one side of the second bevel gear, a limiting cylinder fixedly mounted on the top of the first protective box, a movable plate threadedly connected to the outer side of the threaded rod, and a connecting cylinder fixedly mounted on the lower side of the movable plate. The utility model adjusts the height of the movable plate, the connecting cylinder and the grinding disc by controlling the first motor, and rotates the grinding disc in conjunction with the second motor and the rotating shaft, thereby facilitating the grinding of concrete pavement and improving the practicality of the device.

[0004] The above-mentioned disclosed patent has the following characteristics: 1. When in use, the grinding disc is driven to rotate by a motor for polishing, but when in use, the polishing motor is placed in a box and works continuously, which makes it inconvenient to ventilate and dissipate heat inside the protective box. The internal heat continues to rise, which can easily cause damage to the polishing motor; 2. When in use, polishing is performed by the grinding disc, but when in use, the grinding disc cannot be conveniently disassembled and assembled to perform maintenance or replacement. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a concrete grinder for construction, which has the characteristics of facilitating ventilation and heat dissipation inside the protective box, preventing the polishing motor from working continuously and causing damage to the polishing motor due to the heat in the protective box not being able to dissipate, and can easily disassemble and assemble the grinding disc for maintenance or replacement.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a concrete grinder for construction, comprising a base plate, a protective box is arranged above the base plate, a spray assembly is arranged at one end inside the protective box, a lifting assembly is arranged in the middle of the protective box, a polishing motor is arranged below the lifting assembly, a grinding disc is arranged below the polishing motor, a ventilation and heat dissipation assembly is arranged at one end above the protective box, and a convenient disassembly and assembly assembly is arranged between the polishing motor and the grinding disc.

[0007] Preferably, the ventilation and heat dissipation component includes an air inlet, an air outlet, a ventilation and heat dissipation seat, a heat dissipation fan, a supporting block, a filter and a clamping component, wherein an air inlet is provided at one end above the protective box, an air outlet is provided on one side of the protective box, a ventilation and heat dissipation seat is provided inside the air inlet, a heat dissipation fan is provided below the inside of the ventilation and heat dissipation seat, a supporting block is provided in the middle of the inside of the ventilation and heat dissipation seat, a filter is abutted against the top of the supporting block, and a clamping component is provided on one side of the filter.

[0008] Preferably, the clamping assembly includes a clamping rod, a clamping damping slider and a clamping spring, wherein a clamping rod is provided on one side of the filter screen, a clamping damping slider is provided below the clamping rod, and a clamping spring is provided on one side of the clamping damping slider.

[0009] Preferably, a guide sliding opening is provided at one end of the clamping rod, and a clamping hole matching the clamping rod is provided at one side of the filter screen.

[0010] Preferably, the convenient disassembly and assembly component includes a disassembly and assembly seat, a square plug block, a limit rod, a fixing rod, a fixed damping slider and a fixed spring, wherein a disassembly and assembly seat is provided below the polishing motor, a square plug block is inserted below the disassembly and assembly seat, a limit rod is inserted on one side of the square plug block, a fixing rod is provided at one end of the limit rod, a fixed damping slider is provided on one side of the fixing rod, and a fixed spring is provided above the fixed damping slider.

[0011] Preferably, a limiting slider is provided above the limiting rod, and the limiting slider slides in the middle of the limiting slider.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model facilitates internal ventilation and heat dissipation of the protective box by setting a ventilation and heat dissipation component, thereby preventing the polishing motor from working continuously and the heat in the protective box from not being able to dissipate, causing damage to the polishing motor. When the structure is used, the filter can prevent dust from entering the protective box, and the filter can be easily disassembled and cleaned through the clamping component.

[0014] 2. The utility model realizes the effect of convenient disassembly and assembly of the grinding disc by setting up a convenient disassembly and assembly component, and the grinding disc can be maintained or replaced. The structure is easy to use and does not require the help of external tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model cut from the main view;

[0017] Figure 3 This is a schematic diagram of the structure of the ventilation and heat dissipation component of the utility model;

[0018] Figure 4 This is a structural diagram of the clamping assembly in the ventilation and heat dissipation assembly of the utility model;

[0019] Figure 5 This is a structural diagram of the convenient disassembly and assembly components of the utility model.

[0020] In the figure: 1. Base plate; 2. Protective box; 3. Spray assembly; 4. Ventilation and heat dissipation assembly; 41. Air inlet; 42. Air outlet; 43. Ventilation and heat dissipation seat; 44. Cooling fan; 45. Carrying block; 46. Filter; 47. Clamping assembly; 471. Clamping rod; 472. Clamping damping slider; 473. Clamping spring; 5. Lifting assembly; 6. Polishing motor; 7. Grinding disc; 8. Convenient disassembly and assembly assembly; 81. Disassembly and assembly seat; 82. Square insert; 83. Limit rod; 84. Fixing rod; 85. Fixed damping slider; 86. Fixed spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example 1

[0023] See also Figure 1-5 The utility model provides the following technical solutions: a concrete grinder for construction, comprising a base plate 1, a protective box 2 is provided above the base plate 1, a spray assembly 3 is provided at one end inside the protective box 2, a lifting assembly 5 is provided in the middle of the protective box 2, a polishing motor 6 is provided below the lifting assembly 5, a grinding disc 7 is provided below the polishing motor 6, a ventilation and heat dissipation assembly 4 is provided at one end above the protective box 2, and a convenient disassembly and assembly assembly 8 is provided between the polishing motor 6 and the grinding disc 7.

[0024] Specifically, the ventilation and heat dissipation component 4 includes an air inlet 41, an air outlet 42, a ventilation and heat dissipation seat 43, a heat dissipation fan 44, a supporting block 45, a filter 46 and a clamping assembly 47, wherein an air inlet 41 is provided at one end above the protective box 2, an air outlet 42 is provided on one side of the protective box 2, a ventilation and heat dissipation seat 43 is provided inside the air inlet 41, a heat dissipation fan 44 is provided below the inside of the ventilation and heat dissipation seat 43, a supporting block 45 is provided in the middle of the inside of the ventilation and heat dissipation seat 43, a filter 46 is abutted above the supporting block 45, and a clamping assembly 47 is provided on one side of the filter 46.

[0025] By adopting the above technical solution, the cooling fan 44 is started, the wind is filtered through the filter 46, and then passes through the ventilation and heat dissipation seat 43, so that the wind blows into the interior of the protective box 2, ventilates and dissipates the heat inside, and then is discharged through the air outlet 42, so that when the device is in use, it is convenient to ventilate and dissipate the heat inside the protective box 2, preventing the polishing motor 6 from working continuously, and preventing the heat in the protective box 2 from not being able to dissipate, causing damage to the polishing motor 6.

[0026] Specifically, the clamping assembly 47 includes a clamping rod 471, a clamping damping slider 472 and a clamping spring 473, wherein a clamping rod 471 is provided on one side of the filter screen 46, a clamping damping slider 472 is provided below the clamping rod 471, and a clamping spring 473 is provided on one side of the clamping damping slider 472.

[0027] By adopting the above technical solution, when the filter 46 needs to be disassembled and cleaned, the clamping rod 471 is pulled, and the clamping rod 471 drives the clamping damping slider 472 to move the compressed clamping spring 473, so that the clamping rod 471 is disengaged from the clamping hole on one side of the filter 46, and then the filter 46 can be removed for cleaning.

[0028] Specifically, a guide sliding opening is provided at one end of the clamping rod 471 , and a clamping hole that matches the clamping rod 471 is provided at one side of the filter screen 46 .

[0029] By adopting the above technical solution, the setting of the guide slide makes it easy for the filter 46 to abut against the clamping rod 471 when it is installed, and can drive the clamping rod 471 to move to one side. The setting of the clamping hole makes it easy for the clamping rod 471 to be inserted to fix the filter 46.

[0030] When this embodiment is in use: the cooling fan 44 is started, the wind is filtered through the filter 46, and then passes through the ventilation and heat dissipation seat 43, so that the wind blows to the interior of the protective box 2, ventilates and dissipates the heat inside, and then is discharged through the air outlet 42. When the filter 46 needs to be disassembled and cleaned, the clamping rod 471 is pulled, and the clamping rod 471 drives the clamping damping slider 472 to move the compressed clamping spring 473, so that the clamping rod 471 is disengaged from the clamping hole on one side of the filter 46, and then the filter 46 can be removed for cleaning, so that the device is convenient for ventilating and dissipating the heat inside the protective box 2 when in use, and prevents the polishing motor 6 from working continuously, and the heat in the protective box 2 cannot be dissipated, causing damage to the polishing motor 6.

[0031] Example 2

[0032] The difference between this embodiment and embodiment 1 is that: specifically, the convenient disassembly and assembly component 8 includes a disassembly and assembly seat 81, a square plug block 82, a limit rod 83, a fixing rod 84, a fixed damping slider 85 and a fixed spring 86, wherein a disassembly and assembly seat 81 is provided below the polishing motor 6, a square plug block 82 is inserted below the disassembly and assembly seat 81, a limit rod 83 is inserted on one side of the square plug block 82, a fixing rod 84 is provided at one end of the limit rod 83, a fixed damping slider 85 is provided on one side of the fixing rod 84, and a fixed spring 86 is provided above the fixed damping slider 85.

[0033] By adopting the above technical solution, the fixing rod 84 is pulled, and the fixing rod 84 drives the fixed damping slider 85 to move and compress the fixing spring 86, so that the fixing rod 84 is disengaged from the fixing hole opened at one end of the limiting rod 83. Then the limiting rod 83 can be released, so that the limiting rod 83 and the square plug block 82 are separated, and the square plug block 82 is separated from the disassembly seat 81, and the grinding disc 7 fixedly connected to the square plug block 82 can be removed for maintenance or replacement, so that the grinding disc 7 can be conveniently disassembled and assembled when the device is in use, and the grinding disc 7 can be maintained or replaced.

[0034] Specifically, a limit slider is provided above the limit rod 83, and the limit slider slides in the middle of the limit slider.

[0035] By adopting the above technical solution, the limiting slider and the limiting slide rod cooperate with each other, which makes it easy to limit the moving range of the limiting rod 83.

[0036] When this embodiment is in use: the fixing rod 84 is pulled, and the fixing rod 84 drives the fixed damping slider 85 to move and compress the fixing spring 86, so that the fixing rod 84 is disengaged from the fixing hole opened at one end of the limiting rod 83, and then the limiting rod 83 can be released, so that the limiting rod 83 and the square plug block 82 are separated, and the square plug block 82 is separated from the disassembly seat 81, and the grinding disc 7 fixedly connected to the square plug block 82 can be removed for maintenance or replacement, so that the grinding disc 7 can be conveniently disassembled and assembled when the device is in use, and the grinding disc 7 can be maintained or replaced.

[0037] The heat dissipation fan 44 in the present invention is an existing disclosed technology, and the selected model is XW-03.

[0038] The structure and usage principle of the protective box 2, spray assembly 3, lifting assembly 5, polishing motor 6 and grinding disc 7 in the utility model have been disclosed in a concrete grinder for construction disclosed in Chinese patent application No. 202020643821.8. Its working principle is to start the first motor to drive the first bevel gear to rotate, the first bevel gear drives the second bevel gear engaged with it to rotate, the second bevel gear drives the threaded rod to rotate, the threaded rod drives the movable plate threadedly connected to it to move, the movable plate drives the movable connecting cylinder and the grinding disc 7 to move, so that the grinding disc 7 contacts the road surface, start the second motor to drive the rotating shaft to rotate, the rotating shaft drives the grinding disc 7 to rotate, and the concrete road surface is polished. The water in the water tank is transported to the nozzle through the water pump and the outlet pipe, and is sprayed out through the nozzle to spray the road surface.

[0039] The working principle and use process of the present invention: The present invention is used for polishing concrete. When in use, the grinding disc 7 is driven to rotate by the polishing motor 6, and then the grinding disc 7 is driven downward by the lifting component 5 to perform polishing. When in use, the ventilation and heat dissipation component 4 is used to facilitate ventilation and heat dissipation of the interior of the protective box 2. The grinding disc 7 can be quickly disassembled and assembled by the convenient disassembly and assembly component 8, and the grinding disc 7 can be replaced. When the ventilation and heat dissipation component 4 is in use, the cooling fan 44 is started, and the wind is filtered through the filter 46, and then passes through the ventilation and heat dissipation seat 43, so that the wind blows to the interior of the protective box 2, ventilates and dissipates the heat inside, and then is discharged through the air outlet 42. When the filter 46 needs to be disassembled and cleaned, the clamping rod 471 is pulled, and the clamping rod 471 drives the clamping damping slider 472 to move and compress the clamping spring 473, so that the clamping rod 47 1 is disengaged from the clamping hole on one side of the filter screen 46, and then the filter screen 46 can be removed for cleaning, so that when the device is in use, it is convenient to ventilate and dissipate heat inside the protection box 2, so as to prevent the polishing motor 6 from working continuously and the heat in the protection box 2 from not being able to dissipate, causing damage to the polishing motor 6. When the convenient disassembly and assembly component 8 is used, the fixing rod 84 is pulled, and the fixing rod 84 drives the fixed damping slider 85 to move and compress the fixing spring 86, so that the fixing rod 84 is disengaged from the fixing hole opened at one end of the limiting rod 83, and then the limiting rod 83 can be released to separate the limiting rod 83 and the square plug block 82, so that the square plug block 82 and the disassembly seat 81 are separated, and the grinding disc 7 fixedly connected to the square plug block 82 can be removed for maintenance or replacement, so that when the device is in use, the grinding disc 7 can be conveniently disassembled and assembled, and the grinding disc 7 can be maintained or replaced.

[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A concrete grinder for construction, comprising a base plate (1), a protective box (2) disposed above the base plate (1), a spray assembly (3) disposed at one end of the interior of the protective box (2), a lifting assembly (5) disposed in the middle of the interior of the protective box (2), a polishing motor (6) disposed below the lifting assembly (5), and a grinding disc (7) disposed below the polishing motor (6), characterized in that: A ventilation and heat dissipation component (4) is provided at one end above the protective box (2), and a convenient disassembly and assembly component (8) is provided between the polishing motor (6) and the grinding disc (7).

2. A concrete grinder for construction according to claim 1, characterized in that: The ventilation and heat dissipation component (4) includes an air inlet (41), an air outlet (42), a ventilation and heat dissipation seat (43), a heat dissipation fan (44), a supporting block (45), a filter (46) and a clamping component (47), wherein an air inlet (41) is provided at one end above the protective box (2), an air outlet (42) is provided at one side of the protective box (2), a ventilation and heat dissipation seat (43) is provided inside the air inlet (41), a heat dissipation fan (44) is provided below the inside of the ventilation and heat dissipation seat (43), a supporting block (45) is provided in the middle of the inside of the ventilation and heat dissipation seat (43), a filter (46) is abutted above the supporting block (45), and a clamping component (47) is provided on one side of the filter (46).

3. A concrete grinder for construction according to claim 2, characterized in that: The clamping assembly (47) comprises a clamping rod (471), a clamping damping slider (472) and a clamping spring (473), wherein a clamping rod (471) is provided on one side of the filter screen (46), a clamping damping slider (472) is provided below the clamping rod (471), and a clamping spring (473) is provided on one side of the clamping damping slider (472).

4. A concrete grinder for construction according to claim 3, characterized in that: A guide sliding opening is provided at one end of the clamping rod (471), and a clamping hole matching the clamping rod (471) is provided at one side of the filter screen (46).

5. The concrete grinder for construction according to claim 1, characterized in that: The convenient disassembly and assembly component (8) comprises a disassembly and assembly seat (81), a square plug (82), a limiting rod (83), a fixing rod (84), a fixed damping slider (85) and a fixing spring (86), wherein a disassembly and assembly seat (81) is provided below the polishing motor (6), a square plug (82) is inserted below the disassembly and assembly seat (81), a limiting rod (83) is inserted on one side of the square plug (82), a fixing rod (84) is provided at one end of the limiting rod (83), a fixed damping slider (85) is provided on one side of the fixing rod (84), and a fixing spring (86) is provided above the fixed damping slider (85).

6. A concrete grinder for construction according to claim 5, characterized in that: A limiting slide block is provided above the limiting rod (83), and the limiting slide block slides in the middle of the limiting slide block.

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