Disclosure of Invention
The invention aims to provide a guide device for a pile driver, which aims to ensure that precast piles are driven into the ground along a preset pressing direction during pile driving and ensure that the precast piles can be arranged in a forward extending manner according to a preset arrangement track.
The technical scheme adopted by the invention is as follows.
The utility model provides a pile driver is with leading defending device, it installs on the pile driver to lead defending device, it arranges the guide part to be provided with pile body guide part and/or pile body on the guide defending device to impress, the pile body guide part of impressing is used for constituting the direction cooperation with precast pile body along predetermined direction of pushing down when the pile is driven, make the pile body of precast pile can be impressed the underground along predetermined direction of pushing down, the pile body guide part of arranging is used for constituting spacing cooperation with last precast pile of having beaten along the orbit of prearranged arranging of each precast pile, make precast pile body can arrange with each precast pile of having beaten according to predetermined orbit of arranging in the same direction after impressing the underground.
Preferably: the pile body is pressed into the guide part and is provided with a vacant guide area for the vertical precast pile to pass through, the position of the guide area corresponds to the pile clamping device on the pile driver, and the guide area is used for restraining the precast pile so that the precast pile can be pressed into the ground along the preset pressing direction.
Preferably: the pile body pressing-in guide part is composed of a U-shaped part, the opening of the U-shaped part is matched with the previous precast pile which is driven, and the U-shaped part and the previous precast pile which is driven enclose a guide area.
Preferably: the pile body arranging guide part is arranged at the opening end of the U-shaped part, and the pile body arranging guide part is abutted against the side face of the last precast pile which is driven to form limiting fit, so that the pile body pressing guide part and the last precast pile which is driven are arranged along the preset arranging track.
Preferably: the pile body arrangement guide part comprises an A guide branch part and a B guide branch part, the A guide branch part and the B guide branch part are respectively positioned at two open ends of the U-shaped part, and the distance between the A guide branch part and the B guide branch part gradually increases along the opening direction of the U-shaped part.
Preferably: the U-shaped part is arranged on one side of the pile driver and consists of a guide seat and guide arms extending from two ends of the guide seat to the direction perpendicular to the length direction of the guide seat, the guide seat and the two guide arms are distributed in a U shape, one guide arm of the U-shaped part is arranged on the pile driver, and the other guide arm and the guide seat are arranged in a cantilever shape.
Preferably: the guide seat is provided with a guide roller, two ends of the guide roller are rotatably arranged on the two guide arms, and the guide roller and the precast pile form rolling guide fit in the preset pressing direction.
Preferably: the opening on the upper side of the guide area is provided with a guide block, and the guide block is used for guiding the lower end of the precast pile into the guide area.
Preferably: the guide and guard device is further provided with an inclined supporting beam, the inclined supporting beam is arranged on the lower side of the U-shaped piece, and the inclined supporting beam supports the guide arm and the guide seat which are arranged in a cantilever mode in an inclined supporting mode.
Preferably: the guide and guard device is further provided with a reinforcing beam, the reinforcing beam is arranged on the outer side of one end, far away from the opening, of the U-shaped piece, the reinforcing beam is arranged in an F shape together with the guide arm and the guide seat which are arranged in an overhanging shape, and the reinforcing beam is used for reinforcing the strength of the guide arm and the guide seat which are arranged in the overhanging shape.
Preferably: the guide block is composed of sub guide blocks, the sub guide blocks are arranged on the guide seat and the two guide arms, and the guide surfaces of the sub guide blocks are arranged in a flaring shape.
Preferably: the guide device is an I-shaped steel welding part and is detachably arranged on the pile driver.
The invention has the technical effects that: the problem that the downward pressing direction of the precast pile is easy to deviate in the pile driving process is solved through the arrangement of the pile body pressing-in guide part, the precast pile can be pressed into the ground along the preset downward pressing direction under the hammering of a pile driver, meanwhile, the problem that the precast pile is easy to shake when not deeply entering the ground under the hammering of the pile driver can be effectively avoided, the precast pile can be stably pressed into the ground, and through the arrangement of the pile body arrangement guide part, for some non-circular precast piles, particularly when the arrangement track of each precast pile is not a straight line, the pile entering gesture adjusted by manual experience of each precast pile is not accurate, the precast pile is easily distributed in disorder on the preset arrangement track, the appearance of the dam is influenced, and for some revetments formed by each pile foundation, the precast pile can not form a synergetic revetments to cause water and soil loss, Even the bank collapses, so the pile body arrangement guide part forms spacing cooperation with the last precast pile that has beaten, make the pile body guide part of impressing can be arranged with the last precast pile that has beaten on each precast pile predetermines the orbit of arranging and be the continuation form, so, the precast pile under the guide effect of pile body guide part of impressing also can be arranged with last and each precast pile that has beaten according to the state of extending of predetermined orbit of arranging, solved each precast pile arrange irregularly in disorder, each precast pile can not form synergistic effect's problem.
Through the arrangement of the guide area, the precast pile can be restrained in all directions around the preset pressing direction in the process of being pressed into the ground, so that the precast pile can be stably pressed into the ground along the preset pressing direction.
Through the setting of U-shaped spare, the opening of U-shaped spare can with last through the fine cooperation of arranging the precast pile, the U-shaped spare is along each precast pile preset the orbit of arranging remove to the next preset point of piling on, the precast pile that has already been beaten is kept away from to the bottom of U-shaped spare, the open end of U-shaped spare pastes with the precast pile that has been beaten and leans on, can enclose synthetic direction area between the two, it is convenient to realize, the device of also being convenient for leading guards removes along each precast pile preset orbit of arranging.
The guide part setting of arranging at the open end of U-shaped spare of pile body, the realization is at the in-process that the U-shaped spare removed next preset pile driving point along the preset orbit of arranging of each precast pile, the pile body guide part of arranging can lean on with the side of the last precast pile of having beaten and constitute limit fit, when the U-shaped spare removed next preset pile driving point along the preset orbit of arranging of each precast pile, the U-shaped spare just can be with last precast pile of having beaten and arrange in the same direction as extending the form, can make the precast pile can be under the guide effect of U-shaped spare with be with last precast pile of having beaten and extend the form and arrange in the same direction as extending the gesture of form and be impressed underground.
Through the setting of A direction branch portion and B direction branch portion, A direction branch portion and B direction branch portion can realize leaning on with the both sides face of the relative distribution of the precast pile that has beaten, realize according to the demand of arranging along extending the form, select A direction branch portion to lean on the side of the precast pile that has beaten, perhaps B direction branch portion leans on another side of the precast pile that has beaten, diversified use selection has been satisfied, the interval through between A direction branch portion and the B direction branch portion sets up along the opening direction of U-shaped spare grow gradually, make the guide device can be fine break away from the precast pile that has beaten.
Through the setting of guide holder and two guide arms, can realize carrying out the restraint of three direction to the precast pile, one precast pile that has beaten in the cooperation can realize that four directions retrain the precast pile, can reliable and stable lead the precast pile in the direction of pushing down of predetermineeing.
Through the setting of guide roll, can realize constituting the roll direction cooperation with the precast pile on the predetermined direction of pushing down, avoid the great problem of friction that the cooperation of sliding guide brought between the guide holder behind the precast pile, reduce the down resistance of precast pile for the precast pile can be fast and stable pressed into the underground.
Through the setting of guide block for when hoist the precast pile to the pile driver, can be fast convenient with the lower extreme guide of precast pile to the guide area in, promoted hoist and mount efficiency.
Through the setting of bracing beam, not only can realize being the support of the leading arm and the guide holder that the overhang form was arranged, the precast pile is at hoist and mount in-process, and when the precast pile lower extreme fell to the guide area in, the impact that can produce to the leading arm and the guide holder that are the overhang form and arrange easily, and the bracing beam can also effectual promotion be the intensity of the leading arm and the guide holder that the overhang form was arranged and the ability of resisting the impact.
Through the setting of stiffening beam, the precast pile can produce impact and extrusion to the leading arm and the guide holder that are the overhang form and arrange in the in-process of impressing, and the stiffening beam can effectual enhancement overhang form arrange the intensity of leading arm and guide holder, has promoted the anti deformation of the leading arm and the guide holder that the reinforcement overhang form was arranged and the ability of anti fracture.
Through the setting of each sub-guide block for at the in-process of precast pile hoist and mount, only need drop the lower extreme of precast pile to be between each sub-guide block that the flaring was arranged, each sub-guide block can be swift with the lower extreme guide to the guide area in of precast pile.
The I-steel welding part is stable in structure, and the guide device is detachably arranged on the pile driver, so that the guide device is convenient to disassemble and assemble.
The invention has stable structure and reasonable layout, realizes the function of guiding the precast piles in the preset pressing direction, can realize the function of arranging the precast piles in a forward extending shape according to the preset arrangement track, and meets the use requirement.
Example 1
Referring to fig. 1 to 5, in the implementation of the present invention, a guide and guard device for a pile driver is provided, the guide and guard device 2000 is installed on a pile driver 1000, a pile body press-in guide portion 2100 and/or a pile body arrangement guide portion 2200 are provided on the guide and guard device 2000, the pile body press-in guide portion 2100 is configured to form a sliding guide fit with a pile body of a precast pile 3000 in a preset press-down direction of the pile driver 1000 during pile driving, so that the pile body of the precast pile 3000 can be pressed into the ground along the preset press-down direction of the pile driver 1000, the pile body arrangement guide portion 2200 is configured to form a limit fit with a previously driven precast pile 3000 along a preset arrangement track of each precast pile 3000, so that the pile body of the precast pile 3000 can be arranged with each driven precast pile 3000 along the preset arrangement track after being pressed into the ground.
Through the arrangement of the pile body pressing-in guide part, the problem that the pressing-down direction of the precast pile is easy to deviate in the pile driving process is solved, the precast pile 3000 can be pressed into the ground along the preset pressing-down direction under the hammering of the pile driver 1000, meanwhile, the problem that the precast pile is easy to shake when not penetrating into the ground under the hammering of the pile driver 1000 can be effectively avoided, the precast pile 3000 can be stably pressed into the ground, for some non-circular precast piles, particularly when the arrangement track of each precast pile is not a straight line, the pile-in posture of each precast pile, which is adjusted by manual experience, is inaccurate, the precast piles are easily distributed in disorder on the preset dam track, the attractiveness is affected, and for some revetments formed by each pile foundation, the precast piles can not form a synergetic revetments to cause water and soil loss, Even the bank collapses, so the pile body arrangement guiding portion 2200 is in spacing fit with the last precast pile, so that the pile body press-in guiding portion 2100 and the last precast pile can be arranged in a forward extending shape on the preset arrangement track of each precast pile, so the precast pile under the guiding action of the pile body press-in guiding portion 2100 can be arranged in a forward extending shape with the last precast pile and each precast pile, and the problems that the arrangement of each precast pile is irregular and messy and each precast pile can not form a synergistic effect are solved.
The pile body pressing guide part 2100 is provided with a vacant guide area 2110 for allowing the vertical precast pile 3000 to pass through, the position of the guide area 2110 corresponds to the pile clamping device 1100 on the pile driver 1000, the guide area 2110 is used for restraining the precast pile 3000, and the precast pile 3000 can be pressed into the ground along a preset pressing direction.
Through the arrangement of the guide region 2110, the precast pile 3000 can be restrained in all directions around the preset pressing direction in the process of being pressed into the ground, so that the precast pile 3000 can be stably pressed into the ground along the preset pressing direction.
Shaft penetration guide 2100 is formed by a U-shaped member 2120, which is open to the opening of the U-shaped member 2120 for engagement with the previously driven precast pile 3000, and the U-shaped member 2120 and the previously driven precast pile 3000 enclose guide region 2110.
Through the arrangement of the U-shaped member 2120, the opening of the U-shaped member 2120 can be well matched with the last driven precast pile 3000, the U-shaped member 2120 moves to the next preset driving point along the preset arrangement track of each precast pile, the driven precast pile is far away from the bottom of the U-shaped member, the open end of the U-shaped member is attached to the driven precast pile, and the combined guide area 2110 can be enclosed between the open end of the U-shaped member and the driven precast pile, so that convenience is realized, and the guide device 2000 can move along the preset arrangement track of each precast pile.
The pile body arrangement guide part 2200 is arranged at the opening end of the U-shaped part 2120, and the pile body arrangement guide part 2200 is abutted against the side surface of the last precast pile 3000 to form limit fit, so that the pile body pressing guide part 2100 and the last precast pile 3000 are arranged along the preset arrangement track.
The pile body arrangement guide part 2200 is arranged at the open end of the U-shaped part 2120, so that in the process that the U-shaped part 2120 moves to the next preset piling point along the preset arrangement track of each precast pile, the pile body arrangement guide part 2200 can abut against the side surface of the last precast pile 3000 to form limiting fit, when the U-shaped part 2120 moves to the next preset piling point along the preset arrangement track of each precast pile, the U-shaped part 2120 can be arranged in a forward extending manner with the last precast pile 3000, and the precast piles can be pressed into the ground in a forward extending manner with the last precast pile 3000 in a forward extending manner under the guide effect of the U-shaped part 2120.
Shaft alignment guide 2200 includes a guide leg 2210 and a guide leg 2220, the a guide leg 2210 and the B guide leg 2220 are located at both open ends of the U-shaped member 2120, respectively, and the distance between the a guide leg 2210 and the B guide leg 2210 is gradually increased along the opening direction of the U-shaped member 2120.
Through the arrangement of the a guide branch 2210 and the B guide branch 2220, the a guide branch 2210 and the B guide branch 2220 can be attached to two opposite sides of a prefabricated pile that has been driven, so that the a guide branch 2210 and the B guide branch 2220 can be selected to be attached to the side of the prefabricated pile that has been driven or the B guide branch 222 is attached to the other side of the prefabricated pile that has been driven according to the requirement of arranging along the extending shape, thereby satisfying the diversified selection of use, and the guide device 2000 can be well separated from the prefabricated pile 3000 that has been driven by the arrangement that the distance between the a guide branch 2210 and the B guide branch 2210 is gradually increased along the opening direction of the U-shaped member 2120.
A U-shaped member 2120 is disposed at one side of the pile driver 1000, the U-shaped member 2120 is composed of a guide base 2122 and guide arms 2121 extending from both ends of the guide base 2122 in a direction perpendicular to the length direction of the guide base 2122, the guide base 2122 and the guide arms 2121 are U-shaped, one guide arm 2121 of the U-shaped member 2120 is mounted on the pile driver 1000, and the other guide arm 2121 and the guide base 2122 are cantilevered.
Through the setting of guide holder 2122 and two guide arms 2121, can realize carrying out the restraint of three direction to precast pile 3000, one precast pile that has beaten in the cooperation can realize that four directions retrain precast pile 3000, can reliable and stable lead the precast pile in the direction of pushing down of predetermineeing.
The guide seat 2122 is provided with a guide roller 2123, two ends of the guide roller 2123 are rotatably mounted on two guide arms 2121, and the guide roller 2123 and the precast pile 1000 form rolling guide fit in a preset pressing direction.
Through the setting of guide roll 2123, can realize constituting the roll direction cooperation with the precast pile on the predetermined direction of pushing down, avoid the great problem of friction that the cooperation of sliding guide brought between the rest guide holder 2122 of precast pile 3000, reduce precast pile 3000's down resistance for precast pile 3000 can be fast and stable the underground of being impressed.
A guide block 2300 is arranged at the opening at the upper side of the guide area 2110, and the guide block 2300 is used for guiding the lower end of the precast pile 1000 into the guide area 2110.
Through the setting of guide block 2300 for when hoist precast pile to the pile driver on, can be fast convenient with the lower extreme guide of precast pile 3000 to the guide area 2110, promoted hoist and mount efficiency.
The guide and guard device 2000 is further provided with a diagonal bracing beam 2500, the diagonal bracing beam 2500 is arranged at the lower side of the U-shaped member 2120, and the diagonal bracing beam 2500 supports a guide arm 2121 and a guide seat 2122 which are arranged in a cantilever manner in a diagonal bracing manner.
Through the inclined supporting beam 2500, not only can the guide arm 2121 and the guide seat 2122 which are arranged in an overhanging manner be supported, but also when the lower end of the precast pile 3000 falls into the guide area 2110 in the hoisting process of the precast pile 3000, the impact which is easily generated on the guide arm 2121 and the guide seat 2122 which are arranged in an overhanging manner can be easily generated, and the strength and the impact resistance of the guide arm 2121 and the guide seat 2122 which are arranged in an overhanging manner can be effectively improved through the inclined supporting beam 2500.
The guide device 2000 is further provided with a reinforcing beam 2400, the reinforcing beam 2400 is arranged outside one end of the U-shaped member 2120 away from the opening, the reinforcing beam 2400 is arranged in an F shape with the guide arm 2121 and the guide seat 2122 arranged in an overhanging manner, and the reinforcing beam 2400 is used for reinforcing the strength of the guide arm 2121 and the guide seat 2122 arranged in an overhanging manner.
Through the arrangement of the reinforcing beam 2400, impact and extrusion can be generated on the guide arm 2121 and the guide seat 2122 which are arranged in a cantilever manner in the pressing-in process of the precast pile 3000, and the reinforcing beam 2400 can effectively reinforce the strength of the guide arm 2121 and the guide seat 2122 which are arranged in a cantilever manner, so that the deformation resistance and fracture resistance of the guide arm 2121 and the guide seat 2122 which are arranged in a cantilever manner are improved.
The guide block 2300 is composed of sub guide blocks 2310, the sub guide blocks 2310 are arranged on the guide base 2122 and the two guide arms 2121, and the guide surfaces of the sub guide blocks 2310 are arranged in a flared shape.
Through the arrangement of the sub-guide blocks 2310, in the process of hoisting the precast pile 3000, the lower end of the precast pile 3000 only needs to fall between the sub-guide blocks 2310 arranged in a flaring shape, and the sub-guide blocks 2310 can quickly guide the lower end of the precast pile 3000 into the guide area 2110.
The guide device 2000 is an i-steel welding part, and the guide device 2000 is detachably mounted on the pile driver 1000.
The I-steel welding part is stable in structure, and the guide device 2000 is detachably mounted on the pile driver 1000, so that the disassembly is convenient, and the assembly is convenient.
When the guide and guard device 2000 is used, the guide and guard device 2000 is installed on the pile driver 1000, the pile driver 1000 drives the guide and guard device 2000 to move to the next pile driving point along the preset arrangement track of each precast pile, in the process, the guide leg part a 2210 or the guide leg part B2220 abuts against the side surface of the last precast pile, so that after the guide and guard device 2000 moves to the next pile driving point, the U-shaped part 2120 can be arranged along with the last precast pile, then the upper end of the precast pile 3000 is hoisted to the pile clamping device 1100 on the pile driver, the lower end of the precast pile 3000 passes through the sub-guide blocks 2310, the pile clamping device 1100 clamps the upper end of the precast pile 3000, the precast pile 3000 goes down, the lower end of the pile 3000 is guided by the sub-guide blocks 2310 to the guide area surrounded by the U-shaped part 2120 and the last precast pile, the pile driver works to press the precast pile 3000 into the ground, and then the steps are repeated, so that continuous piling work can be realized, and the piled precast piles can be arranged along the preset track in a forward extending manner.
Pile gripper 1100 on pile driver includes the clamping device that carries out the centre gripping to the pile head part of precast pile, and the clamping device over-and-under type is installed in pile driver's frame, has the downward centre gripping mouth of opening of holding pile head on the clamping device, and the centre gripping mouth sets to big or small adjustable structure, and the centre gripping mouth is connected with adjusting part, and adjusting part adjusts the size of centre gripping mouth.
Specifically, the clamping opening is provided with a positioning assembly for positioning the pile head entering the clamping opening. The clamping opening is enclosed by a top wall positioned at the top and a clamping wall positioned on the lower side of the top, the clamping wall comprises a movable clamping wall movably connected with the top wall, the adjusting component is connected with the movable clamping wall, and the adjusting component adjusts the posture of the movable clamping wall to realize the adjustment of the size of the clamping opening. The movable clamping wall is arranged on the top wall in a sliding mode along the horizontal direction, and the adjusting assembly adjusts the movable clamping wall to move transversely to adjust the size of the clamping opening.
The upper end of the movable clamping wall is hinged to the top wall, the adjusting component adjusts the movable clamping wall to rotate to achieve adjustment of the size of the clamping opening, and the hinged shaft in hinged connection is consistent with the width direction of the movable clamping wall. The adjusting component is composed of an oil cylinder/an air cylinder, a piston rod of the oil cylinder/the air cylinder is hinged with the movable clamping wall, and a cylinder body of the oil cylinder/the air cylinder is hinged with the top wall. The clamping wall also comprises a fixed clamping wall, the fixed clamping wall and the movable clamping wall are arranged correspondingly, and a gap area between the fixed clamping wall and the movable clamping wall forms a clamping opening. The locating component is arranged on the top wall. The positioning assembly is formed by positioning pins vertically arranged in the middle of the top wall, and the size of the outer contour of the cross section of each positioning pin is gradually reduced from top to bottom.
The preferred scheme is that the positioning pin is composed of two positioning plates arranged in a cross shape, the central lines of the two positioning plates are superposed and vertically arranged, and the plate widths of the two positioning plates are gradually reduced from top to bottom; the clamping device is arranged at the bottom of the movable mounting frame, the movable mounting frame is arranged on the rack in a lifting type assembly manner, the top of the movable mounting frame is provided with a pile hammer seat, and a pile hammer is arranged on the pile hammer seat; the movable mounting frame is positioned on the outer side of the rack, a connecting arm group is arranged on the movable mounting frame and comprises an A connecting arm and a B connecting arm which are horizontally arranged, the A connecting arm and the B connecting arm are oppositely arranged, one end of the A connecting arm and one end of the B connecting arm are both fixedly connected with the movable mounting frame, and the other end of the A connecting arm and the other end of the B connecting arm are respectively connected with two guide rails on the rack in a sliding fit manner; the connecting arm groups are arranged at intervals along the vertical direction; the other end of the connecting arm A and the other end of the connecting arm B are provided with guide sliding blocks which are in sliding guide fit with the guide rail, and the contact part of the guide sliding blocks and the guide rail is made of nylon materials; the outer wall surface of the movable clamping wall is provided with a connecting piece A, the outer contour of the connecting piece A is in an A right-angle triangle shape, the A right-angle triangle is arranged in an inverted shape, a right-angle side of the A right-angle triangle is fixedly connected with the movable clamping wall, a corner part, far away from the movable clamping wall, of the A right-angle triangle is connected with a piston rod of an oil cylinder, the movable mounting frame is provided with a connecting piece B, the outer contour of the connecting piece B is in a B right-angle triangle shape, a right-angle side of the B right-angle triangle is fixedly connected with the movable mounting frame, and a corner part; the pile hammer seat is formed by a flange plate horizontally arranged at the top of the movable mounting frame, a B reinforcing rib is arranged on the lower surface of the flange plate, a guide rod is arranged on the upper surface of the flange plate, and the pile hammer is slidably mounted on the guide rod; the outer wall surface of the fixed clamping wall is provided with a reinforcing rib A; a hanging device for hanging the precast pile is arranged above the pile clamping device; the wall thickness direction of the movable clamping wall and the fixed clamping wall is consistent with the distance direction from the movable mounting rack to the rack, and the distance between the movable clamping wall and the movable mounting rack is larger than the distance between the fixed clamping wall and the movable mounting rack.
Through the centre gripping mouth and the locating component who sets up the regulation formula, can realize that pile gripper quick clamping fixes the precast pile and the purpose that the direction precast pile was squeezed into underground, further improved pile gripper's centre gripping efficiency, satisfied the demand of piling fast, and the simple operation.
The invention has stable structure and reasonable layout, realizes the function of guiding the precast piles in the preset pressing direction, can realize the function of arranging the precast piles in a forward extending shape according to the preset arrangement track, and meets the use requirement.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.