Suspended moving and adaptive coalburst-preventing hydraulic support with pile foundation

Abstract

A suspended moving and adaptive coalburst-preventing hydraulic support with a pile foundation is provided, and relates to the technical field of coal mine roadway support. The suspended moving and adaptive coalburst-preventing hydraulic support with a pile foundation includes a top beam and side beam structures. The side beam structure includes a first side beam. Upper ends of third side beams are arranged inside an installation cavity. A top energy absorption component is arranged inside the installation cavity between the left and right third side beams. The third side beams are in slip connection with sliding limit slots through a first guide pin and a second guide pin. A second side beam, the third side beam and a hydraulic support column form a proximately triangular stable support structure.

What is claimed is: 
     
         1 . A suspended moving and adaptive coalburst-preventing hydraulic support with a pile foundation, comprising a top beam ( 4 ) and side beam structures, wherein the side beam structures are arranged on both sides of the top beam ( 4 ) to support a roadway top plate and two sides, wherein the side beam structure comprises a first side beam ( 1 ), the first side beam ( 1 ) being arranged on a pile foundation ( 101 ), the pile foundation ( 101 ) being deeply buried in a deep stable rock stratum of a roadway base plate ( 100 ), a second side beam ( 2 ) being arranged above the first side beam ( 1 ), a third side beam ( 3 ) being arranged above the second side beam ( 2 ), an installation cavity ( 43 ) being formed in the top beam ( 4 ), an upper end of the third side beam ( 3 ) being arranged inside the installation cavity ( 43 ), and a top energy absorption component ( 9 ) being arranged in the installation cavity ( 43 ) between the left and right third side beams ( 3 ); wherein sliding limit slots ( 41 ) are formed in front and rear side surfaces of the top beam ( 4 ), the third side beam ( 3 ) being in slip connection with the sliding limit slot ( 41 ) through a first guide pin ( 32 ) and a second guide pin ( 33 ); and wherein the second side beam ( 2 ) and the third side beam ( 3 ) are in hinged connection and are connected and supported by a hydraulic support column ( 5 ), a front-and-back guide slot ( 12 ) being formed in the first side beam ( 1 ), the bottom of the second side beam ( 2 ) and the hydraulic support column ( 5 ) being in hinged connection and being slidably arranged in the guide slot ( 12 ) through a hinge pin, and a hinged part ( 31 ) of the hydraulic support column ( 5 ) and the third side beam ( 3 ) being spaced with both ends of the third side beam ( 3 ) so that the second side beam ( 2 ), the third side beam ( 3 ) and the hydraulic support column ( 5 ) form a proximately triangular stable support structure. 
     
     
         2 . The suspended moving and adaptive coalburst-preventing hydraulic support with a pile foundation according to  claim 1 , wherein bosses ( 43 ) are arranged on the lower side of the top beam ( 4 ), a through cavity ( 45 ) being formed between the left and right bosses ( 43 ). 
     
     
         3 . The suspended moving and adaptive coalburst-preventing hydraulic support with a pile foundation according to  claim 1 , wherein guide wheels ( 34 ) are arranged at the first guide pins ( 32 ) on both sides of the third side beam ( 3 ), the guide wheel ( 34 ) being capable of sliding along the upper part of the boss ( 43 ). 
     
     
         4 . The suspended moving and adaptive coalburst-preventing hydraulic support with a pile foundation according to  claim 1 , wherein a left-and-right U-shaped notch ( 13 ) is formed in the first side beam ( 1 ), junctions between the second side beam ( 2 ) and the third side beam ( 3 ), between the hydraulic support column ( 5 ) and the third side beam ( 3 ) and between the hydraulic support column ( 5 ) and the second side beam ( 2 ) being provided with rotating receding spaces. 
     
     
         5 . The suspended moving and adaptive coalburst-preventing hydraulic support with a pile foundation according to  claim 1 , wherein a suspension device is arranged on the top of the center of the top beam ( 4 ), wherein a fixed device ( 7 ) is arranged at the bottom of the center of the top beam ( 4 ), wherein a folded support is matched with a bull head rail through the suspension device above the top beam ( 4 ), and wherein the bull head rail is installed and supported by the fixed device between other supports. 
     
     
         6 . The suspended moving and adaptive coalburst-preventing hydraulic support with a pile foundation according to  claim 5 , wherein the fixed device ( 7 ) is connected to the boss ( 43 ) through bolts ( 72 ), and wherein the two fixed devices ( 7 ) are arranged below the top beam ( 4 ) and are respectively matched with connecting holes ( 71 ) through screws and connected to the left and right sides of the bull head rail. 
     
     
         7 . The suspended moving and adaptive coalburst-preventing hydraulic support with a pile foundation according to  claim 5 , wherein the suspension device is a detachable pendant ( 6 ), the detachable pendant ( 6 ) being installed above the top beam ( 4 ) through bolts. 
     
     
         8 . The suspended moving and adaptive coalburst-preventing hydraulic support with a pile foundation according to  claim 5 , wherein suspension device is a rotating pendant ( 8 ), the rotating pendant ( 8 ) comprising a first hook ( 81 ) and a second hook ( 82 ), the first hook ( 81 ) and the second hook ( 82 ) being hinged and connected with the top beam ( 4 ) through rotating shafts ( 83 ), a torsional spring or a tension spring being arranged between the first hook ( 81 ) and the second hook ( 82 ), a baffle plate ( 44 ) being fixedly arranged on the top beam ( 4 ) between the first hook ( 81 ) and the second hook ( 82 ), and upper surfaces of the first hook ( 81 ) and the second hook ( 82 ) being arc surfaces. 
     
     
         9 . The suspended moving and adaptive coalburst-preventing hydraulic support with a pile foundation according to  claim 8 , wherein the rotating pendants ( 8 ) are arranged on the front and rear sides of the top beam ( 4 ). 
     
     
         10 . The suspended moving and adaptive coalburst-preventing hydraulic support with a pile foundation according to  claim 5 , wherein a contact surface of the suspension device and the bull head rail is embedded with steel.