Surface polishing device for concrete

Abstract

The utility model belongs to the technical field of building construction, and particularly relates to a surface polishing device for concrete. Comprising a vehicle body, a grinding device is fixedly installed on the inner wall of the bottom of the vehicle body, a cutting device is fixedly installed at the bottom end of the vehicle body, and further, the grinding device comprises a fixing rod, and the bottom end and the top end of the fixing rod are fixedly connected with the inner wall of the bottom and the inner wall of the top of the vehicle body correspondingly; a first motor is fixedly installed on the inner wall of the bottom of the vehicle body, a movable shaft of the first motor is fixedly connected with a lead screw, a second motor is arranged to drive a rotating shaft to rotate, the rotating shaft rotates to drive a grinding disc to rotate, so that the grinding disc can grind the side face of a concrete wall, a bump is cut open through a cutting device, and teeth are fixedly installed on the outer wall of the grinding disc; and the first motor is arranged to drive the U-shaped frame to ascend and descend, so that the height of the grinding disc can be conveniently adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, in particular to a surface polishing device for concrete. Background Art

[0002] Concrete is one of the most important civil engineering materials in contemporary times. It is an artificial stone made of binder, aggregate and water in a certain proportion, stirred and vibrated into shape, and cured under certain conditions. Concrete has the characteristics of abundant raw materials, low price and simple production process, so its usage is increasing. At the same time, concrete also has high compressive strength and good durability, which makes it widely used. Concrete is a very important material, so some concrete grinding devices are also constantly improving and developing.

[0003] During construction, concrete will produce bulges. Some larger bulges will make it difficult for a grinding device to grind, and existing grinding devices are generally unable to grind the walls on the side of the concrete wall. Utility Model Content

[0004] The utility model provides a surface polishing device for concrete to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the specific technical solution is as follows:

[0006] A surface polishing device for concrete comprises a vehicle body, a grinding device is fixedly installed on the inner wall of the bottom of the vehicle body, and a cutting device is fixedly installed on the bottom end of the vehicle body.

[0007] Specifically, the grinding device includes a fixed rod, the bottom end and the top end of the fixed rod are respectively fixedly connected to the bottom inner wall and the top inner wall of the vehicle body, the outer wall of the fixed rod is slidably connected to a U-shaped frame, a first motor is fixedly installed on the bottom inner wall of the vehicle body, the movable shaft of the first motor is fixedly connected to a lead screw, the lead screw is rotatably connected to a fixed block, and the fixed block is fixedly connected to the U-shaped frame.

[0008] Specifically, the U-shaped frame is connected with a rotating shaft, a first gear ring is fixedly installed on the outer wall of the rotating shaft, a second motor is fixedly installed on the U-shaped frame, a movable shaft of the second motor passes through the U-shaped frame, a second gear is fixedly installed on the top of the movable shaft of the second motor, and the second gear is meshed with the first gear ring.

[0009] Specifically, the bottom end of the rotating shaft is fixedly connected to a third motor, the bottom end of the movable shaft of the third motor is fixedly connected to a support rod, the bottom end of the support rod is fixedly connected to a fourth motor, the bottom end of the movable shaft of the fourth motor is fixedly installed with a grinding disk, and the outer wall of the grinding disk is fixedly installed with teeth.

[0010] Specifically, the cutting device comprises a fixing plate, the fixing plate is fixedly mounted on the bottom end of the vehicle body, a rotating roller is connected through the fixing plate, and a blade is fixedly mounted on the rotating roller.

[0011] Specifically, a fifth motor is fixedly installed at the bottom end of the inner wall of the vehicle body, a pulley is fixedly installed at the top end of the movable shaft of the fifth motor, the pulley is rotatably connected to a belt, and the belt is rotatably connected to the roller.

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

[0013] 1. A second motor is provided to drive the rotating shaft to rotate, and the rotating shaft drives the grinding disc to rotate, so that the grinding disc can grind the side of the concrete wall.

[0014] 2. The bulge is cut open by setting a cutting device, and teeth are fixedly installed on the outer wall of the grinding disc, so that the bulge can be broken when the grinding disc rotates, so as to facilitate grinding with the grinding disc.

[0015] 3. The first motor is provided to drive the U-shaped frame to rise and fall, so as to facilitate the adjustment of the height of the grinding disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the first schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure behind the hidden body;

[0018] Figure 3 This is the second schematic diagram of the overall structure of the utility model.

[0019] As shown in the figure: 1. body; 2. grinding device; 201. fixed rod; 202. U-shaped frame; 203. first motor; 204. lead screw; 205. fixed block; 206. rotating shaft; 207. first gear; 208. second motor; 209. second gear; 210. third motor; 211. support rod; 212. fourth motor; 213. grinding disc; 214. teeth; 3. cutting device; 301. fixed plate; 302. roller; 303. blade; 304. fifth motor; 305. pulley; 306. belt. DETAILED DESCRIPTION

[0020] The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, methodological or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0021] like Figure 1-3As shown, a surface polishing device for concrete includes a body 1, a grinding device 2 is fixedly installed on the inner wall of the bottom of the body 1, the grinding device 2 is used to grind the concrete surface, and a cutting device 3 is fixedly installed at the bottom end of the body 1, the cutting device 3 is used to cut the raised drum points.

[0022] Specifically, the grinding device 2 includes a fixed rod 201, the bottom end and the top end of the fixed rod 201 are fixedly connected to the bottom inner wall and the top inner wall of the vehicle body 1 respectively, the outer wall of the fixed rod 201 is slidably connected to a U-shaped frame 202, a first motor 203 is fixedly installed on the bottom inner wall of the vehicle body 1, the movable shaft of the first motor 203 is fixedly connected to a screw 204, the screw 204 is rotatably connected to a fixed block 205, the inner wall of the fixed block 205 is provided with a threaded groove matching the screw 204, the fixed block 205 is fixedly connected to the U-shaped frame 202, the movable shaft of the first motor 203 rotates to drive the screw 204 to rotate, and the rotation of the screw 204 can drive the U-shaped frame 202 to rise and fall.

[0023] Specifically, the U-shaped frame 202 is connected with a rotating shaft 206, a limiting ring is fixedly installed on the rotating shaft 206, and the limiting ring is provided to prevent the rotating shaft 206 from running off, a stop rod is fixedly installed on the limiting ring, and two limiting blocks cooperating with the stop rod are fixedly installed on the inner wall of the vehicle body 1, and the limiting blocks are provided to prevent the rotating shaft 206 from rotating too much, and a first gear ring 207 is fixedly installed on the outer wall of the rotating shaft 206, and the rotating shaft 206 is fixedly connected to the first gear ring 207 through the limiting ring, and the U-shaped frame 202 is fixedly installed with the first gear ring 207. Second motor 208, the movable shaft of the second motor 208 penetrates the U-shaped frame 202, and a second gear 209 is fixedly installed on the top of the movable shaft of the second motor 208. The second gear 209 is meshed with the first gear ring 207. When the side of the concrete wall needs to be polished, the second motor 208 is started, and the movable shaft of the second motor 208 rotates to drive the second gear 209 to rotate, and the second gear 209 rotates to drive the first gear ring 207 to rotate, and the first gear ring 207 rotates to drive the rotating shaft 206 to rotate.

[0024] Specifically, the bottom end of the rotating shaft 206 is fixedly connected to the third motor 210, and the bottom end of the movable shaft of the third motor 210 is fixedly connected to the support rod 211. The movable shaft of the third motor 210 is arranged to drive the support rod 211 to rotate, and the support rod 211 rotates to increase the grinding area of ​​the grinding disk 213. The bottom end of the support rod 211 is fixedly connected to the fourth motor 212, and the bottom end of the movable shaft of the fourth motor 212 is fixedly installed with the grinding disk 213, and the outer wall of the grinding disk 213 is fixedly installed with teeth 214. The rotation of the support rod 211 drives the fourth motor 212 and the grinding disk 213 to revolve, and the rotation of the movable shaft of the fourth motor 212 drives the grinding disk 213 to rotate. The teeth 214 are arranged so that the bulge cut by the cutting device 3 can be crushed when the grinding disk 213 rotates.

[0025] Specifically, the cutting device 3 includes a fixed plate 301, which is fixedly mounted on the bottom end of the vehicle body 1. The fixed plate 301 is connected with a roller 302, and a blade 303 is fixedly mounted on the roller 302. The blade 303 is used to cut the bulge.

[0026] Specifically, a fifth motor 304 is fixedly installed at the bottom end of the inner wall of the vehicle body 1, a pulley 305 is fixedly installed at the top end of the movable shaft of the fifth motor 304, the pulley 305 is rotatably connected to a belt 306, the belt 306 is rotatably connected to the roller 302, the movable shaft of the fifth motor 304 rotates to drive the pulley 305 to rotate, the pulley 305 rotates to drive the belt 306 to rotate, the belt 306 rotates to drive the roller 302 to rotate, the roller 302 rotates to drive the blade 303 to rotate, the blade 303 rotates to cut the bulge, so that the teeth 214 can crush the bulge, wheels are fixedly installed at the bottom of the vehicle body 1, and a handle is fixedly installed on one side of the vehicle body 1, and the handle and the wheel are provided to facilitate the movement of the vehicle body 1.

[0027] The working principle and use process of the utility model are as follows: when in use, the handle is pushed to move the vehicle body 1, the first motor 203 is started, the movable shaft of the first motor 203 rotates to drive the lead screw 204 to rotate, the lead screw 204 rotates to drive the U-shaped frame 202 to descend, and the grinding disc 213 is adjusted to a suitable height, the third motor 210 is started, the movable shaft of the third motor 210 rotates to drive the support rod 211 to rotate, the support rod 211 rotates to drive the fourth motor 212 and the grinding disc 213 to revolve, the movable shaft of the fourth motor 212 rotates to drive the grinding disc 213 to rotate, the fifth motor 304 is started, the movable shaft of the fifth motor 304 rotates to drive the pulley 305 to rotate, the pulley 305 rotates to drive the belt 306 to rotate, the belt 306 rotates to drive the roller 302 to rotate, the roller 302 rotates to drive the blade 303 to rotate, the blade 303 rotates to cut the bulge, so that the teeth 214 can crush the bulge, and the movable shaft of the third motor 210 rotates to drive the support rod 211 to rotate The support rod 211 rotates to drive the fourth motor 212 and the grinding disc 213 to revolve, the movable shaft of the fourth motor 212 rotates to drive the grinding disc 213 to rotate, the grinding disc 213 rotates to drive the teeth 214 to rotate, and the teeth 214 rotate to crush the cut bulge. When it is necessary to grind the side of the concrete wall, the first motor 203 is started, and the movable shaft of the first motor 203 rotates to drive the U-shaped frame 202 to rise, so as to prevent the grinding disc 213 from contacting the ground and hindering the rotation of the rotating shaft 206. The second motor 208 is started, and the movable shaft of the second motor 208 rotates to drive the second gear 209 to rotate. The second gear 209 rotates to drive the first gear ring 207 to rotate. The first gear ring 207 rotates to drive the rotating shaft 206 to rotate. The rotating shaft 206 rotates to drive the third motor 210 and the grinding disc 213 to rotate. Under the action of the limit block and the baffle, the grinding disc 213 is parallel to the side of the concrete wall, so that the grinding disc 213 can grind the side of the concrete wall.

[0028] It should be understood that although the present specification is described according to embodiments, not every embodiment contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0029] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the utility model. They are not intended to limit the protection scope of the utility model. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A surface polishing device for concrete, comprising a vehicle body (1), characterized in that: A grinding device (2) is fixedly mounted on the inner wall of the bottom of the vehicle body (1), and a cutting device (3) is fixedly mounted on the bottom end of the vehicle body (1); The grinding device (2) comprises a fixed rod (201), the bottom end and the top end of the fixed rod (201) being fixedly connected to the bottom inner wall and the top inner wall of the vehicle body (1) respectively, the outer wall of the fixed rod (201) being slidably connected to a U-shaped frame (202), a first motor (203) being fixedly mounted on the bottom inner wall of the vehicle body (1), a movable shaft of the first motor (203) being fixedly connected to a lead screw (204), the lead screw (204) being rotatably connected to a fixed block (205), and the fixed block (205) being fixedly connected to the U-shaped frame (202).

2. A surface polishing device for concrete according to claim 1, characterized in that: The U-shaped frame (202) is connected through a rotating shaft (206), a first gear ring (207) is fixedly mounted on the outer wall of the rotating shaft (206), a second motor (208) is fixedly mounted on the U-shaped frame (202), a movable shaft of the second motor (208) is connected through the U-shaped frame (202), a second gear (209) is fixedly mounted on the top end of the movable shaft of the second motor (208), and the second gear (209) is meshed with the first gear ring (207).

3. A surface polishing device for concrete according to claim 2, characterized in that: The bottom end of the rotating shaft (206) is fixedly connected to a third motor (210), the bottom end of the movable shaft of the third motor (210) is fixedly connected to a support rod (211), the bottom end of the support rod (211) is fixedly connected to a fourth motor (212), the bottom end of the movable shaft of the fourth motor (212) is fixedly mounted with a grinding disc (213), and the outer wall of the grinding disc (213) is fixedly mounted with teeth (214).

4. A surface polishing device for concrete according to claim 1, characterized in that: The cutting device (3) comprises a fixing plate (301), wherein the fixing plate (301) is fixedly mounted on the bottom end of the vehicle body (1), and a roller (302) is connected through the fixing plate (301), and a blade (303) is fixedly mounted on the roller (302).

5. A surface polishing device for concrete according to claim 4, characterized in that: A fifth motor (304) is fixedly mounted on the bottom end of the inner wall of the vehicle body (1); a pulley (305) is fixedly mounted on the top end of the movable shaft of the fifth motor (304); the pulley (305) is rotatably connected to a belt (306); and the belt (306) is rotatably connected to the rotating roller (302).

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