Floor grinding machine

Abstract

This disclosure provides a floor grinding machine. The floor grinding machine includes: a body bracket; a grinding disc connected to the body bracket, wherein the grinding disc has a first position configured to grind a ground and a second position configured to replace a grinding member provided thereon; a first moving wheel provided on the body bracket; a second moving wheel connected to the body bracket, wherein the second moving wheel has a travelling position in which the second moving wheel is capable moving along the ground and an avoiding position in which the second moving wheel is away from the ground. The floor grinding machine has a first working state configured to grind the ground and a second working state configured to travel or to replace the grinding member. When the grinding disc is in the first position and the second moving wheel is in the avoiding position, the floor grinding machine is in the first working state; and when the grinding disc is in the second position and the second moving wheel is in the travelling position, the floor grinding machine is in the second working state. The floor grinding machine of the present disclosure solves the problem of inconvenient replacement of the cutter head and inconvenience of movement of the floor grinding machine in the prior art.

1 . A floor grinding machine, comprises:
 a body bracket;   a grinding disc connected to the body bracket, wherein the grinding disc has a first position configured to grind the ground and a second position configured to replace a grinding member provided thereon, and the grinding disc is provided to be switchable between the first position and the second position;   a first moving wheel provided on the body bracket;   a second moving wheel connected to the body bracket, wherein the second moving wheel has a travelling position in which the second moving wheel is capable moving along the ground and an avoiding position in which the second moving wheel is away from the ground, and the second moving wheel is provided to be switchable between the travelling position and the avoiding position,   wherein the floor grinding machine has a first working state configured to grind the ground and a second working state configured to travel or to replace the grinding member, when the grinding disc is in the first position and the second moving wheel is in the avoiding position, the floor grinding machine is in the first working state; and when the grinding disc is in the second position and the second moving wheel is in the travelling position, the floor grinding machine is in the second working state.   
     
     
         2 . The floor grinding machine of  claim 1 , wherein the floor grinding machine further comprises:
 a telescopic member connected to both the body bracket and the grinding disc, at least a part of the telescopic member is provided to be telescopic to drive the grinding disc to switch between the first position and the second position.   
     
     
         3 . The floor grinding machine of  claim 2 , wherein the floor grinding machine further comprises:
 a first support member, a first connection end of the first support member is hinged to the grinding disc, a second connection end of the first support member is hinged to the body bracket, the telescopic member is hinged to the first support member, a connection point between the telescopic member and the first support member is located between the first connection end and the second connection end.   
     
     
         4 . The floor grinding machine of  claim 3 , wherein the first support member comprises a first support portion and a second support portion, the first support portion and the second support portion are provided to be tilted with respect to each other, an end of the first support portion is connected to the second support portion, and the other end of the first support portion is hinged to the grinding disc, an end of the second support portion away from the first support portion is hinged to the body bracket, the telescopic member is hinged to both the first support portion and the body bracket, such that the grinding disc rotates around a connection point between the second support portion and the body bracket. 
     
     
         5 . The floor grinding machine of  claim 2 , wherein the telescopic member has a fixed portion and a telescopic portion, the telescopic portion is connected to the fixed portion and is provided to be telescopic with respect to the fixed portion, the telescopic portion is connected to the body bracket, and the fixed portion is connected to the grinding disc. 
     
     
         6 . The floor grinding machine of  claim 1 , wherein the floor grinding machine further comprises:
 a second support member, an end of the second support member is connected to the body bracket, the second moving wheel is provided at the other end of the second support member, and the second support member is provided to be rotatable with respect to the body bracket to drive the second moving wheel to switch between the travelling position and the avoiding position.   
     
     
         7 . The floor grinding machine of  claim 6 , wherein the floor grinding machine further comprises:
 a locking portion provided on the body bracket, and the locking portion is used to lock or unlock the second support member and the body bracket.   
     
     
         8 . The floor grinding machine of  claim 3 , wherein the floor grinding machine further comprises:
 a first driving device drivingly connected to the grinding disc to drive the grinding disc to rotate, wherein an end of the first support member away from the body bracket is connected to the first driving device.   
     
     
         9 . The floor grinding machine of  claim 1 , wherein the floor grinding machine further comprises:
 a second driving device provided on the body bracket, and the second driving device is connected to the first moving wheel to drive the first moving wheel to rotate.   
     
     
         10 . The floor grinding machine of  claim 1 , wherein the floor grinding machine further comprises a water tank and a rechargeable battery, both the water tank and the rechargeable battery are provided on the body bracket.