CN109826563B - Double-rod multi-degree-of-freedom excavating drilling machine - Google Patents
Double-rod multi-degree-of-freedom excavating drilling machine Download PDFInfo
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- CN109826563B CN109826563B CN201910170155.2A CN201910170155A CN109826563B CN 109826563 B CN109826563 B CN 109826563B CN 201910170155 A CN201910170155 A CN 201910170155A CN 109826563 B CN109826563 B CN 109826563B
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- 238000005553 drilling Methods 0.000 title claims abstract description 34
- 239000011435 rock Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 18
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention discloses a double-rod multi-degree-of-freedom excavating drilling machine, which comprises a seat assembly and a drill assembly, wherein the drill assembly is arranged on the seat assembly, and the seat assembly has more than two degrees of freedom for adjustment; the drill assembly is composed of two groups of drills, the two groups of drills are arranged on the seat assembly side by side to form a double-rod structure, each group of drills comprises a drill rod, a sliding table and an anti-deflection assembly, each anti-deflection assembly comprises an anti-deflection support and telescopic rods, the telescopic rods are symmetrically arranged on two sides of the drill rod and form a combined body with the anti-deflection support, the tail ends and the front ends of the two telescopic rods are respectively fixedly arranged to prevent deflection of the drill rod during drilling, and the telescopic rods are synchronously driven to be retracted from back to front by taking the anti-deflection support as a node during forward movement of the drill rod; the degree of freedom adjustment of the seat assembly is used to control the co-operation of the two sets of drills.
Description
Technical Field
The invention discloses a double-rod multi-degree-of-freedom excavating drilling machine, which belongs to the technical field of drilling engineering machinery manufacturing according to the International Patent Classification (IPC) classification, and particularly relates to a drilling machine with multiple free adjustment.
Background
At present, in the processes of road construction, quarrying, excavating and the like, the problems of safety and the like are considered, accurate static blasting construction is needed, a blasthole is needed to be excavated, the blasthole is generally completed through a pneumatic gun (handheld pneumatic drill), and the pneumatic gun is a pneumatic tool, because the pneumatic gun works with relatively high noise like blastsound, the pneumatic gun is named. The power source of wind big gun is the compressed air of air compressor machine output, and manual operation has inefficiency, drilling depth is shallow etc. not enough to operating personnel's intensity of labour is very big, and needs to add the drilling rod when boring the darker hole, not only the troublesome operation can influence the efficiency of boring moreover.
The hydraulic high-speed drilling machine is characterized in that the front end of an excavator body is hinged with the lower end of a drill frame seat through a movable arm, the drill frame seat is fixed in the middle of a drill frame, a power head is arranged on the drill frame through a sliding plate, an output shaft of the power head is connected with the upper end of a drill rod through a coupler, the lower end of the drill rod sequentially passes through a movable positioning frame and a fixed positioning frame, a first fixed pulley is arranged at the upper end of the drill frame, a second fixed pulley is arranged at the lower end of the drill frame, a traction oil cylinder is arranged at the lower part of the drill frame, and two movable pulleys which are arranged up and down are arranged on a piston rod of the traction oil cylinder through a bracket; two chains and two steel ropes are arranged between the fixed pulley and the movable pulley, the power head and the drill rod can be pulled to move up and down through the cooperation of the chains and the pulleys, and the movable positioning frame can be pulled to move up and down through the cooperation of the steel ropes and the pulleys. However, the drilling machine only has one drill rod, the drill rod can only work forwards and backwards, the left and right fine adjustment is not suitable, the matching of a chain and a pulley is complex, the stroke proportion of the drill rod and the movable positioning frame is particularly controlled, two steel wire ropes are needed to be matched for use, and when the steel wires work, the rope winding phenomenon is easy to occur, so that the normal work is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the double-rod multi-degree-of-freedom excavating drilling machine, which has the advantages of high efficiency, convenient operation and the like.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a double-rod multi-degree-of-freedom excavating drilling machine comprises a seat assembly and a drilling assembly, wherein
The seat assembly is provided with a drill assembly, and the seat assembly has more than two degrees of freedom adjustment;
the drill assembly is composed of two groups of drills, the two groups of drills are arranged on the seat assembly side by side to form a double-rod structure, each group of drills comprises a drill rod, a sliding table and an anti-deflection assembly, the sliding table is of a longitudinally extending supporting structure, the drill rod is arranged on the sliding table and can slide back and forth in the longitudinal extending direction to realize drilling operation, the anti-deflection assembly comprises an anti-deflection support and a telescopic rod, the anti-deflection support is arranged on the sliding table in a sliding manner, drill rod holes are formed in the anti-deflection support so that the drill rod can penetrate through the drill rod, the telescopic rod is symmetrically arranged on two sides of the drill rod and forms a combination body with the anti-deflection support, the tail ends and the front ends of the two telescopic rods are respectively fixedly arranged so as to prevent the drill rod from deflecting when the drill rod moves forwards, and the telescopic rod is synchronously driven to be a node to be contracted forwards;
the degree of freedom adjustment of the seat assembly is used to control the co-operation of the two sets of drills.
A power seat is arranged on the sliding table, a power device for driving the drill rod is arranged on the power seat, fixed positions of the tail ends of the telescopic rods are formed on two sides of the power seat, the power seat can slide back and forth along the sliding table to enable the drill rod to extend forwards for drilling operation or retract, and meanwhile the power seat synchronously drives the telescopic rod to retract or stretch so as to assist the operation of the drill rod.
Further, the front-back sliding of the power seat is completed through control of a chain and a driving motor, the motor is arranged at the rear end of the sliding table, one end of the chain is connected to the front side of the power seat, the other end of the chain is connected to the rear side of the power seat, the chain extends forwards along the sliding table and returns by bypassing a fixed wheel at the front end of the sliding table, a chain transmission loop is formed through an output wheel of the motor, and the front-back sliding of the power seat at the sliding table is controlled through positive and negative rotation of the motor.
Further, the power device on the power seat is a pneumatic rock drill or a hydraulic rock drill, the pneumatic rock drill or the hydraulic rock drill is connected with a drill rod, a waterway is arranged in the drill rod and extends to the drill head end of the drill rod, and a chain transmission loop is arranged at the lower sides of the drill rod and the anti-deflection support.
Further, the slip table front end forms the location protrusion, and slip table is close to front end department and is equipped with the fixing base, is equipped with the drilling rod perforation on the fixing base, and fixing base and telescopic link front end cooperation department are equipped with the locating hole.
Further, more than two deflection-preventing supports are arranged along the direction of the drill rod, two sides of the bottom of each deflection-preventing support are matched with the upper rail of the sliding table to form a sliding pair, drill rod holes are formed in the middle of each deflection-preventing support, step holes are formed in two sides of each deflection-preventing support, adjacent pipe sections of the telescopic rods are respectively abutted to each other, and when the drill rod moves forwards, the rear pipe sections synchronously move and simultaneously push the deflection-preventing supports to move forwards, so that the front pipe sections and the rear pipe sections are nested and contracted.
Further, the seat assembly comprises a first joint, a second joint, a third joint and a fourth joint, the joints are matched to form four-degree-of-freedom adjustment, the first joint is a fixed joint, the second joint is hinged to the first joint to realize left-turn or right-turn degree-of-freedom adjustment in the horizontal direction, the third joint is rotationally connected to the second joint to form integral circumferential degree-of-freedom adjustment, the two sides of the third joint are respectively rotationally connected with the fourth joint, the fourth joints on the two sides form independent circumferential degree-of-freedom adjustment relative to the third joint, the fourth joints are connected with a corresponding group of drills, the fourth joint controls the front-back degree-of-freedom adjustment of the drills in the horizontal direction, and the two groups of drills can simultaneously horizontally rotate left and right, integrally circumferentially rotate and independently longitudinally stretch back and forth so as to form multi-degree-of-freedom drilling operation.
Further, two sides of the first joint are respectively provided with a first telescopic oil cylinder, the movable end of the first telescopic oil cylinder is connected with a second joint, the joint of the first telescopic oil cylinder and the second joint is positioned at two sides of the joint of the second joint and the first joint, and the third joint is connected at the middle position of the second joint through a first rotary oil cylinder to realize the whole circumferential rotation and horizontal left-right rotation of the double drill; the two sides of the third joint are respectively connected with the fourth joint through a second rotary oil cylinder, and the fourth joint on each side is connected with the drill through a second telescopic oil cylinder to realize circumferential rotation and horizontal front-back action of each group of drill.
Further, the fourth joint comprises a connecting part matched with the third joint and a sliding seat part matched with the sliding table, the sliding seat part extends parallel to the sliding table and forms a sliding groove at the front end and the rear end of the top to be matched with a lower rail of the sliding table, a second telescopic oil cylinder is arranged in the sliding seat part in a cavity mode, and an upper rail of the sliding table is matched with the sliding groove of the anti-deflection support.
Further, the seat assembly has a connecting portion for connecting with a boom of the excavator, the connecting portion is provided with an upper connecting hole and a lower connecting hole, and the connecting portion is a first joint of the seat assembly.
The invention has the following beneficial effects:
1. the seat assembly has more than two degrees of freedom for adjustment, can be three or four, and is accurate in adjustment and positioning when two groups of drill bits (double-rod drill) are drilled.
2. The drill assembly of the invention is composed of two groups of drills, and compared with one group of drills, the drill assembly greatly improves the drilling efficiency.
3. The anti-deflection structure in each group of drills is arranged, the action effect is obvious during drilling operation, and the drill rod continuously moves forwards to drill holes, so that the problems of deflection of the drill bit and breakage of the drill rod are avoided due to the design of the telescopic rods and the anti-deflection support on the two sides.
4. The oil cylinders of the seat assembly are automatically controlled by the cooperation of the control handle and the encoder, and the control precision is high.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
FIG. 2 is another schematic diagram of an embodiment of the present invention.
FIG. 3 is a schematic view of a seat assembly of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples: referring to fig. 1 to 3, a dual-rod multi-degree-of-freedom excavating drilling machine comprises a seat assembly 1 and a drill assembly, wherein the drill assembly is arranged on the seat assembly 1, and the seat assembly 1 has more than two degrees of freedom for adjustment; the drill assembly is composed of two groups of drills 2, the two groups of drills 2 are arranged on the seat assembly side by side to form a double-rod structure, each group of drills comprises a drill rod 21, a sliding table 22 and an anti-deflection assembly 23, the sliding table 22 is of a longitudinally extending supporting structure, the drill rod 21 is arranged on the sliding table 22 and can slide back and forth in the longitudinal extending direction to realize drilling operation, the anti-deflection assembly 23 comprises an anti-deflection support 231 and a telescopic rod 232, the anti-deflection support 231 is arranged on the sliding table 22 in a sliding manner, drill rod holes are formed in the anti-deflection support 231 to enable the drill rod 21 to penetrate through and locate, the telescopic rods 232 are symmetrically arranged on two sides of the drill rod 21 and form a combination body with the anti-deflection support 121, the tail ends and the front ends of the two telescopic rods 232 are respectively fixedly arranged to prevent deflection when the drill rod 21 drills, and the telescopic rod 232 is synchronously driven to retract from back to front by taking the anti-deflection support 231 as a node; the degree of freedom of the seat assembly 1 is used to accommodate the co-operation of the two sets of drills 2.
Referring to fig. 1 and 2, a power seat 24 is disposed on the sliding table 22, a power device for driving the drill rod is disposed on the power seat 24, fixed positions of the tail ends of the telescopic rods 232 are formed on two sides of the power seat 24, the power seat 24 can slide back and forth along the sliding table 22 to enable the drill rod 21 to extend forward for drilling operation or retract, and meanwhile, the power seat 24 synchronously drives the telescopic rods 232 to retract or elongate to assist in drilling operation. The forward and backward sliding of the power seat 24 is completed through the control of a chain 26 and a driving motor 27, the motor 27 is arranged at the rear end of the sliding table 22, one end 261 of the chain is connected to the front side of the power seat 24, the other end 262 of the chain is connected to the rear side of the power seat 24, the chain extends forwards along the sliding table and bypasses a fixed wheel at the front end of the sliding table 22 to return, a chain transmission loop is formed through an output wheel of the motor 27, and the forward and backward sliding of the power seat 24 at the sliding table is controlled through the forward and backward rotation of the motor 27. The power device on the power seat 24 is a pneumatic rock drill 25 or a hydraulic rock drill, and also can be an electric rock drill or other power sources with the same function, wherein the pneumatic rock drill is also called an air drill, hydraulic oil of the hydraulic rock drill is supplied by an excavator hydraulic system, the pneumatic rock drill or the hydraulic rock drill is connected with a drill rod 21, a waterway is arranged in the drill rod and extends to the drill head end of the drill rod, and the lower sides of the drill rod and the anti-deflection support are provided with chain transmission loops. The front end of the sliding table 22 forms a positioning protrusion 221, a fixed seat 222 is arranged at the position of the sliding table close to the front end, a drill rod perforation is arranged on the fixed seat 222, and a positioning hole is arranged at the matching position of the fixed seat and the front end of the telescopic rod. More than two deflection-preventing supports 231 are arranged along the direction of the drill rod 21 and can be 2, 3, 4 or more deflection-preventing supports, and particularly, according to the design of substantial requirements, two sides of the bottom of each deflection-preventing support 231 are matched with the edge or the upper rail of the sliding table 22 to form a sliding pair, a drill rod hole is formed in the middle of each deflection-preventing support 231, stepped holes are formed in two sides of each deflection-preventing support 231 and respectively butt-joint adjacent pipe sections of the telescopic rod 232, and when the drill rod moves forwards, the rear pipe sections synchronously move and simultaneously push the deflection-preventing supports to move forwards so that the front pipe section and the rear pipe section are nested and contracted.
As shown in fig. 1, 2 and 3, the seat assembly 1 includes a first joint 11, a second joint 12, a third joint 13 and a fourth joint 14, where each joint cooperates to form a four-degree-of-freedom adjustment, the first joint 11 is a fixed joint, the second joint 12 is hinged on the first joint 11 to implement a left-turn or right-turn degree-of-freedom adjustment in a horizontal direction, the third joint 13 is rotatably connected on the second joint 12 to form an integral circumferential degree-of-freedom adjustment, two sides of the third joint 13 are respectively rotatably connected with the fourth joint 14, the fourth joints 14 on two sides form independent circumferential degree-of-freedom adjustments with respect to the third joint 13, each fourth joint is connected with a corresponding set of drills 2, the fourth joint 14 controls the front-to-back degree-of-freedom adjustment of the drills in the horizontal direction, and the two sets of drills can be simultaneously rotated horizontally left-right, integrally rotated circumferentially, and independently telescoped forwards and backwards so as to form a multi-degree-of-freedom drilling operation. The first joint 11 of the seat assembly 1 is a connecting part for connecting a movable arm of the excavator, an upper connecting hole and a lower connecting hole are arranged on the connecting part, and the central connecting line of the upper connecting hole and the lower connecting hole is perpendicular to the plane where the drill rod is located. The two sides of the first joint 11 are respectively provided with a first telescopic oil cylinder, the movable end of the first telescopic oil cylinder is connected with a second joint, the joint of the first telescopic oil cylinder and the second joint is positioned at two sides of the joint of the second joint and the first joint, and the third joint 13 is connected at the middle position of the second joint through a first rotary oil cylinder 15 to realize the whole circumferential rotation and horizontal left-right rotation of the double drill. The two sides of the third joint 13 are respectively connected with the fourth joint 14 through a second rotary oil cylinder 16, and the fourth joint 14 on each side is connected with the drill through a second telescopic oil cylinder 17 to realize the circumferential rotation and horizontal front-back action of each group of the drill 2. The fourth joint comprises a connecting part 141 matched with the third joint and a sliding seat part 142 matched with the sliding table, the sliding seat part 142 extends parallel to the sliding table 22 and forms a sliding groove at the front end and the rear end of the top to be matched with the lower rail of the sliding table, a cavity is arranged in the sliding seat part 142 to install the second telescopic oil cylinder 17, and the upper rail of the sliding table is matched with the sliding groove of the anti-deflection support.
When the drilling machine is used, the connecting part of the seat assembly is directly hinged with the movable arm connected with the excavator, the excavator and the movable arm thereof are adjusted in a large space, and when the drill bit is close to a pre-drilling position, the seat assembly is used for adjusting alignment, and finally drilling operation is realized. The seat assembly has more than two degrees of freedom for adjustment, can be three or four, and is accurate in adjustment and positioning when two groups of drill bits (double-rod drill) are drilled. The anti-deflection structure in each group of drills is arranged, the action effect is obvious during drilling operation, and the drill rod continuously moves forwards to drill holes, so that the problems of deflection of the drill bit and breakage of the drill rod are avoided due to the design of the telescopic rods and the anti-deflection support on the two sides. The oil cylinders of the seat assembly are automatically controlled by the control handle matched with the coding disc and the sensor. Compared with the existing pneumatic blaster, the excavator extension product has the advantages that the operator is in the cab and is far away from the drilling position, and the harm to human bodies is reduced.
The above description is illustrative of the embodiments using the present teachings, and is not intended to limit the scope of the present teachings to any particular modification or variation of the present teachings by those skilled in the art.
Claims (8)
1. A double-rod multi-degree-of-freedom excavating drilling machine is characterized in that: comprising a seat assembly and a drill assembly, wherein
The seat assembly is provided with a drill assembly, and the seat assembly has more than two degrees of freedom adjustment;
the drill assembly is composed of two groups of drills, the two groups of drills are arranged on the seat assembly side by side to form a double-rod structure, each group of drills comprises a drill rod, a sliding table and an anti-deflection assembly, the sliding table is of a longitudinally extending supporting structure, the drill rod is arranged on the sliding table and can slide back and forth in the longitudinal extending direction to realize drilling operation, the anti-deflection assembly comprises an anti-deflection support and a telescopic rod, the anti-deflection support is arranged on the sliding table in a sliding manner, drill rod holes are formed in the anti-deflection support so that the drill rod can penetrate through the drill rod, the telescopic rod is symmetrically arranged on two sides of the drill rod and forms a combination body with the anti-deflection support, the tail ends and the front ends of the two telescopic rods are respectively fixedly arranged so as to prevent the drill rod from deflecting when the drill rod moves forwards, and the telescopic rod is synchronously driven to be a node to be contracted forwards;
the degree of freedom adjustment of the seat assembly is used for controlling the cooperative operation of the two groups of drills;
the seat assembly comprises a first joint, a second joint, a third joint and a fourth joint, wherein the joints are matched to form four-degree-of-freedom adjustment, the first joint is a fixed joint, the second joint is hinged on the first joint to realize left-turn or right-turn degree-of-freedom adjustment in the horizontal direction, the third joint is rotationally connected on the second joint to form integral circumferential degree-of-freedom adjustment, the two sides of the third joint are respectively rotationally connected with the fourth joint, the fourth joints on the two sides form independent circumferential degree-of-freedom adjustment relative to the third joint, each fourth joint is connected with a corresponding group of drills, the fourth joint controls the front-back degree-of-freedom adjustment of the drills in the horizontal direction, and the two groups of drills can simultaneously horizontally rotate left and right, integrally circumferentially rotate and independently stretch forwards and backwards to form multi-degree-of-freedom drilling operation;
the seat assembly is provided with a connecting part for connecting the movable arm of the excavator, the connecting part is provided with an upper connecting hole and a lower connecting hole, and the connecting part is a first joint of the seat assembly.
2. The dual-rod multiple degree of freedom excavating machine according to claim 1 wherein: the power seat is arranged on the sliding table, a power device for driving the drill rod is arranged on the power seat, fixed positions of the tail ends of the telescopic rods are formed on two sides of the power seat, the power seat can slide back and forth along the sliding table so that the drill rod can extend forwards to perform drilling operation or retract, and meanwhile, the power seat synchronously drives the telescopic rods to retract or stretch to assist the operation of the drill rod.
3. The dual-rod multiple degree of freedom excavating machine according to claim 2 wherein: the power seat forward and backward sliding is completed through the control of a chain and a driving motor, the motor is arranged at the rear end of the sliding table, one end of the chain is connected to the front side of the power seat, the other end of the chain is connected to the rear side of the power seat, the chain extends forward along the sliding table and bypasses a fixed wheel at the front end of the sliding table to return, a chain transmission loop is formed through an output wheel of the motor, and the forward and backward rotation of the motor is used for controlling the power seat to slide forward and backward at the sliding table.
4. The dual-rod multiple degree of freedom excavating machine according to claim 2 wherein: the power device on the power seat is a pneumatic rock drill or a hydraulic rock drill, the pneumatic rock drill or the hydraulic rock drill is connected with a drill rod, a waterway is arranged in the drill rod and extends to the drill bit end of the drill rod, and a chain transmission loop is arranged at the lower sides of the drill rod and the anti-deflection support.
5. The dual-rod multiple degree of freedom excavating machine according to claim 1 wherein: the front end of the sliding table forms a positioning protrusion, a fixed seat is arranged at the position, close to the front end, of the sliding table, a drill rod perforation is arranged on the fixed seat, and a positioning hole is arranged at the matching position of the fixed seat and the front end of the telescopic rod.
6. The dual-rod multiple degree of freedom excavating machine according to claim 1 wherein: more than two deflection-preventing supports are arranged along the direction of the drill rod, two sides of the bottom of each deflection-preventing support are matched with the upper rail of the sliding table to form a sliding pair, drill rod holes are formed in the middle of each deflection-preventing support, step holes are formed in two sides of each deflection-preventing support and respectively butt-joint adjacent pipe sections of the telescopic rod, and when the drill rod moves forwards, the rear pipe sections synchronously move and simultaneously push the deflection-preventing supports to move forwards, so that the front pipe section and the rear pipe section are nested and contracted.
7. The dual-rod multiple degree of freedom excavating machine according to claim 1 wherein: the two sides of the first joint are respectively provided with a first telescopic oil cylinder, the movable end of the first telescopic oil cylinder is connected with a second joint, the joint of the first telescopic oil cylinder and the second joint is positioned at two sides of the joint of the second joint and the first joint, so that horizontal left-right rotation is realized, and the third joint is connected at the middle position of the second joint through a first rotary oil cylinder so as to realize integral circumferential rotation of the double drill; the two sides of the third joint are respectively connected with the fourth joint through a second rotary oil cylinder, and the fourth joint on each side is connected with the drill through a second telescopic oil cylinder to realize circumferential rotation and horizontal front-back action of each group of drill.
8. The dual-pole multiple degree of freedom excavating machine according to claim 1 or 7 wherein: the fourth joint comprises a connecting part matched with the third joint and a sliding seat part matched with the sliding table, the sliding seat part extends parallel to the sliding table and forms a sliding groove at the front end and the rear end of the top to be matched with a lower rail of the sliding table, a second telescopic oil cylinder is arranged in the sliding seat part in a cavity way, and an upper rail of the sliding table is matched with the sliding groove of the anti-deflection support.
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CN207905708U (en) * | 2018-03-02 | 2018-09-25 | 温寿书 | A kind of horizontal directional drilling machine |
CN209817933U (en) * | 2019-03-07 | 2019-12-20 | 厦门森那美信昌机器工程有限公司 | Double-rod multi-freedom-degree excavating drilling machine |
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