CN111802209A - A withered and dead stump pull out device for planting trees - Google Patents
A withered and dead stump pull out device for planting trees Download PDFInfo
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- CN111802209A CN111802209A CN202010753502.7A CN202010753502A CN111802209A CN 111802209 A CN111802209 A CN 111802209A CN 202010753502 A CN202010753502 A CN 202010753502A CN 111802209 A CN111802209 A CN 111802209A
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- abutting
- clamping device
- radial
- stump
- sliding
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/06—Uprooting or pulling up trees; Extracting or eliminating stumps
- A01G23/062—Pulling up trees or stumps
Abstract
The invention relates to the technical field of agricultural tools, in particular to a dead stump removing device for tree planting, which comprises: a fixing ring; the adjustable telescopic vertical legs are uniformly distributed on the outer circumferential surface of the fixed ring along the axis of the fixed ring through hinge pieces, and the bottom ends of the adjustable telescopic vertical legs are provided with inserting legs which are used for abutting against the ground and can freely stretch; the top end of the manual hoist is hung in the fixed ring; the clamping device comprises a first radial abutting clamping device and a second radial abutting clamping device, the clamping devices are symmetrically and fixedly arranged, the top ends of the clamping devices are fixedly connected with the bottom end of the hand-operated hoist through a first pull rope, in a working state, the clamping device abutting parts are abutted to the vertical circumferential shaft surface along the radial direction, the force application direction of the clamping device abutting parts is an obtuse angle, the force application direction of the clamping device abutting parts inclines towards the axis, and the device is simple to assemble and operate.
Description
Technical Field
The invention relates to the technical field of agricultural tools, in particular to a dead stump removing device for tree planting.
Background
Generally, no good tool exists for removing the tree roots at present, and the tree roots are mainly removed manually or removed by an excavator; the manual digging method requires a large amount of manpower, and the cost is extremely high; the method of shoveling by the excavator is low in efficiency and high in cost; as most of the tree roots are in the steep slope, the excavator is inconvenient to drive.
Chinese patent CN201821944978.3 discloses a device for pulling mulberry stumps in an inverted V-shape, which is characterized in that: an inverted V-shaped lifting device consisting of a first supporting arm and a second supporting arm is taken as a main body; a first roller and a second roller which can rotate are arranged at the two ends of the first supporting arm and the second supporting arm respectively; the bottom of the fixed arm is provided with a locking nut, a steel bar and a rack; the first supporting arm and the second supporting arm are provided with a screw and a hollow column which are connected through a hinge; the front end of the hollow column is provided with a waist-shaped connecting plate, a rotatable rotating nut and a fixed boss; a spring and a cross sliding block are arranged in the waist-shaped connecting plate; a hexagonal bayonet fixedly connected with the cross sliding block and a rocking handle connected with the hexagonal bayonet are arranged on the side of the cross sliding block; the rack may be separated from the stump when the stump is pulled out, and the structure is not stable enough.
Disclosure of Invention
For solving above-mentioned technical problem, provide a dead stump pull out device for planting trees, this technical scheme has solved the artifical problem of wasting time and energy of digging out of dead stump.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a withered and dead stump removing device for planting trees comprises: a fixing ring; the adjustable telescopic vertical legs are uniformly distributed on the outer circumferential surface of the fixed ring along the axis of the fixed ring through hinge pieces, and the bottom ends of the adjustable telescopic vertical legs are provided with inserting legs which are used for abutting against the ground and can freely stretch; the top end of the manual hoist is hung in the fixed ring; the clamping device comprises a first radial abutting clamping device and a second radial abutting clamping device, the clamping devices are symmetrically and fixedly arranged, the top ends of the clamping devices are fixedly connected with the bottom end of the hand-operated hoist through a first pull rope, in a working state, the clamping device abutting parts are abutted to the vertical circumferential shaft surface along the radial direction, and the force application direction of the clamping device abutting parts is inclined towards the axis at an obtuse angle.
Preferably, the circumferential surface of the plug pin is provided with first plug holes which penetrate through along the radial direction at equal intervals; adjustable telescopic stand still includes: the top end of the internal thread sleeve is hinged with the outer circumferential surface of the fixing ring through a hinge piece, second inserting holes in the radial direction are formed in the internal thread sleeve at equal intervals, and the inserting pins are coaxially and slidably arranged in the internal thread sleeve; the tip end of the plugging sharp foot faces downwards, and the top end of the plugging sharp foot is coaxially screwed at the bottom end of the plugging sharp foot through a first threaded column; the first plug hole and the second plug hole are fixedly plugged through the double-pin clamping piece.
Preferably, the bottom end of the inserting foot is coaxially provided with a ball head, the inserting sharp foot is coaxially screwed at the bottom end of the ball head through a first threaded column, the adjustable telescopic vertical foot further comprises a butt joint sheet, the butt joint sheet is coaxially arranged on the first threaded column in a sliding mode, and the inner diameter of the butt joint sheet is larger than the diameter of the first threaded column and smaller than the diameter of the ball head.
Preferably, the fixing rod which is convenient for replacing and installing the manual hoist is arranged in the fixing ring along the radial direction.
Preferably, the outer circumferential surface of the fixed ring is uniformly provided with hinge seats for hinging along the axis; the articulated elements include: the threaded column is coaxially screwed at the top end of the internal threaded sleeve; the articulated lug sets up and is connected with articulated seat rotation at the screw thread post top and through the fixed axle.
Preferably, the first radial abutment gripper comprises: the fixed ring is coaxially arranged at the bottom end of the second radial abutting clamping device, and sliding grooves which penetrate through the fixed ring along the radial direction are uniformly distributed in the fixed ring along the axial direction; the abutting block is arranged on the sliding groove in a sliding mode along the radial direction of the fixing ring, an inclined surface is obliquely arranged at the bottom end of the abutting surface of the abutting block, and an internal thread hole is further formed in the abutting block along the radial direction of the fixing ring; the lead screw, the lead screw radially rotates along the retainer plate through rotating the seat and sets up in the spout, just the lead screw is twisted with the coaxial screw in internal thread hole and is connect, the lead screw outer end still is provided with the staff pivoted rocking handle of being convenient for.
Preferably, the second radial abutting clamping device is arranged along the top surface of the first radial abutting clamping device in a mirror symmetry mode, and the top end of the second radial abutting clamping device is fixedly connected with the hand-operated hoist suspension part through the first pull rope.
Preferably, the device further comprises a tensioning linkage, and the tensioning linkage comprises: the gear is coaxially and fixedly arranged at the outer end of the screw rod; the rack is vertically arranged on the outer circumferential surface of the fixed ring in a sliding manner through the sliding seat and is meshed with the gear; and two ends of the second pull rope are respectively fixedly connected with the suspension end of the manual hoist and the top end of the rack, and the looseness of the second pull rope is smaller than that of the first pull rope.
Preferably, the double pin snap comprises: the fixing block is fixedly arranged on the outer circumferential surface of the internal thread sleeve, and the upper end and the lower end of the fixing block are provided with limiting chutes along the radial direction of the fixing block; the two sides of the re-shaped bolt coaxially and sequentially penetrate through the second inserting hole and the first inserting hole to be matched with the fixed block in a sliding manner, and the upper end and the lower end of the two sides of the re-shaped bolt are respectively provided with a first butt-joint sliding groove which is coaxial with the limiting sliding groove; and the re-shaped sliding pin is coaxially and slidably arranged on the limiting sliding groove, the opening end of the re-shaped sliding pin is fixedly connected through the connecting plate, and second butt-joint sliding grooves in sliding butt joint with the re-shaped inserting pins are further arranged on two sides of the re-shaped sliding pin.
Preferably, the inner side of the sliding groove is also provided with a dovetail groove along the radial direction of the fixed ring; the outer side of the abutting block is also provided with a dovetail wedge in sliding fit with the dovetail groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the adjustable telescopic vertical leg can freely adjust the height of the fixing ring relative to the stump, so that stumps of different sizes can be conveniently pulled out, specifically, the extension length of the inserting leg relative to the internal thread sleeve is adjusted in advance, the shaping sliding pin slides to enable the inserting leg to slide on the limiting sliding groove and the first inserting sliding groove, when the second inserting sliding groove is coaxial with the shaping sliding pin, the inserting leg can withdraw from the second inserting hole and the first inserting hole, so that the inserting leg can freely slide in the internal thread sleeve, the height of the fixing ring is conveniently adjusted according to the height and the width of the stump, and when the adjustable telescopic vertical leg rotates on the outer circumferential surface of the fixing ring through the hinge part and the inserting sharp leg is inserted on the bottom surface, the fixing ring is positioned right above the stump;
2. according to the invention, the manual hoist, the first radial butt-joint clamping device and the second radial butt-joint clamping device are used for drawing, fastening and clamping, and the tensioning linkage device is used for assisting in butt-joint, so that the first radial butt-joint clamping device and the first radial butt-joint clamping device are not easy to separate from the stump in the drawing process, specifically, the manual hoist is hung, the top end of the manual hoist is hung on the fixed rod, the manual hoists with different tension can be replaced according to the size of the stump, and therefore, the withered stump is convenient to pull out; arranging a first radial abutting clamping device and a second radial abutting clamping device, wherein the first radial abutting clamping device and the second radial abutting clamping device are symmetrically and fixedly arranged, and a combined body of the first radial abutting clamping device and the second radial abutting clamping device coaxially penetrates through the stump, so that the fixing ring is wound on the vertical outer ring; manually rotating the rocking handle to enable the screw rod to coaxially rotate on the rotating seat, the screw rod is screwed with the coaxial thread of the internal thread hole, and the abutting block is arranged in the sliding groove in a sliding manner, so that the abutting block moves along the radial direction relative to the fixing ring to abut against the circumferential surface of the stump; when the butt joint surface of the butt joint block is a certain distance away from the stump, the rack penetrates through the sliding seat, the rocking handle is rotated again, so that the gear is rotated to drive the rack to ascend until the butt joint block is completely abutted against the stump, the top end of the rack is fixedly connected with the suspension part of the manual hoist through the second pull rope, the bottom of the butt joint end of the butt joint block is obliquely provided with an inclined surface, so that when the butt joint block is abutted against the stump, the direction of the butt joint force is inclined upwards, and when the fixing ring vertically ascends, the butt joint block is occluded with the circumferential surface of the stump, so that the stump is conveniently pulled out; the second radial abutting clamping device and the first radial abutting clamping device are identical in structure and are in mirror symmetry relative to the top surface of the fixed ring, so that the abutting force direction of an upper abutting block of the second radial abutting clamping device is inclined downwards, the abutting ends of the first radial abutting clamping device and the second radial abutting clamping device interact with each other to be clamped with the stump, and therefore the first radial abutting clamping device and the second radial abutting clamping device are prevented from being vertically separated from each other in the drawing process; the top end of the second radial abutting clamping device is fixedly connected with the suspension part of the hand-operated hoist through a first pull rope, and the looseness of the first pull rope is greater than that of the second pull rope; the manual hoist is started, so that the suspension part of the manual hoist is lifted, the looseness of the first pull rope is larger than that of the second pull rope, the suspension part of the manual hoist firstly tightens the second pull rope so as to drive the rack to lift on the sliding seat, and the rack is driven to rotate by the manual hoist, so that the first radial butt joint clamping device abutting part continuously slides to be tightly abutted against the stump, and the first radial butt joint clamping device and the second radial butt joint clamping device are prevented from being separated from the stump.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the retaining ring and hinge assembly of the present invention;
FIG. 3 is a perspective view of the adjustable telescopic stand bar of the present invention;
FIG. 4 is a perspective view of the double pin snap connection of the present invention;
FIG. 5 is an exploded perspective view of the dual pin clip of the present invention;
FIG. 6 is a perspective view of the radial abutment catcher and the chain block of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6;
FIG. 8 is a front view of the radial abutment catcher of the present invention;
FIG. 9 is a cross-sectional view at section B-B of FIG. 8;
fig. 10 is a perspective view of the abutment block of the present invention.
Description of reference numerals:
1-a fixed ring; 1 a-a fixation bar; 1 b-a hinged seat;
2-adjustable telescopic vertical legs; 2 a-a pin; 2a 1-first mating hole; 2a 2-bulb; 2 b-an internally threaded sleeve; 2b 1-second mating hole; 2 c-inserting the sharp pin; 2c1 — first threaded post; 2 d-double pin clamping piece; 2d 1-fixed block; 2d 2-limit runner; 2d3-U type bolt; 2d4 — first docking chute; 2d5-U shaped slide pin; 2d 6-second docking chute; 2d 7-web; 2 e-a contact piece;
3-a hinge; 3 a-threaded post; 3 b-hinge ears; 3 c-a fixed shaft;
4-hand hoist;
5-a first radial abutment gripper; 5 a-a retainer ring; 5a 1-chute; 5a 2-dovetail groove; 5 b-a butt block; 5b1 — inclined plane; 5b2 — an internally threaded hole; 5b 3-dovetail wedge; 5 c-a screw rod; 5 d-a rotating seat; 5 e-a rocking handle;
6-a second radial abutment fastener;
7-a first pull rope;
8-tensioning the linkage; 8 a-gear; 8 b-a rack; 8 c-a sliding seat; 8 d-second draw cord.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1, a dead stump removing device for tree planting comprises:
a fixed ring 1;
the adjustable telescopic vertical legs 2 are uniformly distributed on the outer circumferential surface of the fixing ring 1 along the axis of the fixing ring 1 through the hinge pieces 3, and the bottom ends of the adjustable telescopic vertical legs 2 are provided with inserting legs 2a which are used for being abutted against the ground and are freely telescopic;
the top end of the manual hoist 4 is hung in the fixing ring 1;
the clamping device comprises a first radial abutting clamping device 5 and a second radial abutting clamping device 6, the clamping devices are symmetrically and fixedly arranged, the top ends of the clamping devices are fixedly connected with the bottom end of the hand-operated hoist 4 through a first pull rope 7, in the working state, the clamping device abutting parts abut against the vertical circumferential shaft surface along the radial direction, and the force application direction of the clamping device abutting parts is inclined towards the axis at an obtuse angle.
When the adjustable telescopic vertical leg 2 is operated, the adjustable telescopic vertical leg 2 is unfolded relative to the fixing ring 1 by taking the hinge part 3 as an axis, the distance between the inserting leg 2a and the fixing part is adjusted according to the height of the stump, so that the fixing ring 1 is positioned right above the stump, the hand-operated hoist 4 is hung on the fixing ring 1, the combination of the first radial butt joint clamping device 5 and the second radial butt joint clamping device 6 coaxially penetrates through the stump, the first radial butt joint clamping device 5 and the second radial butt joint clamping device 6 are started, the butt joint parts move along the radial direction and are abutted on the circumferential surface of the stump, the stump is in a downward wide and upward narrow posture under a common state, so that the butt joint part of the first radial butt joint clamping device 5 positioned at the bottom moves along the radial direction and is abutted on the circumferential surface of the stump, the butt joint force of the first radial butt joint clamping device 5 is inclined upward, therefore, the top end of the second radial abutting clamping device 6 is fixedly connected with the bottom end of the suspension part of the manual hoist 4 through the first pull rope 7, the manual hoist 4 is manually driven to vertically lift the bottom end of the suspension part, so that the first radial abutting clamping device 5 and the second radial abutting clamping device 6 are vertically and upwards dragged through the first pull rope 7, the first radial abutting clamping device 5 and the second radial abutting clamping device 6 are abutted to the circumferential surface of the device, the force applying direction of the clamping device abutting part is in an obtuse angle inclined direction towards the axis, the first radial abutting clamping device 5 and the second radial abutting clamping device 6 are tightly bitten with the circumferential surface of the stump, and the stump which is withered can be pulled out.
As shown in fig. 3, the circumferential surface of the pin 2a is provided with first plug holes 2a1 which penetrate through the pin in the radial direction at equal intervals;
adjustable telescopic leg 2 also comprises:
the top end of the internal thread sleeve 2b is hinged with the outer circumferential surface of the fixing ring 1 through a hinge part 3, second inserting holes 2b1 in the radial direction are formed in the internal thread sleeve 2b at equal intervals, and the inserting pins 2a are coaxially and slidably arranged in the internal thread sleeve 2 b;
the tip end of the plugging sharp foot 2c faces downwards, and the top end of the plugging sharp foot 2c is coaxially screwed at the bottom end of the plugging foot 2a through a first threaded column 2c 1;
the first inserting hole 2a1 and the second inserting hole 2b1 are fixedly inserted through the double-pin clamping piece 2 d.
The inserting foot 2a is arranged in advance according to the size of the tree pile, the inserting part of the double-pin clamping piece 2d is withdrawn from the first inserting hole 2a1 and the second inserting hole 2b1, so that the internal thread sleeve 2b can freely slide in the inserting foot 2a, the inserting sharp foot 2c is inserted into the ground, the inserting part of the double-pin clamping piece 2d is inserted into the first inserting hole 2a1 and the second inserting hole 2b1 again, the inserting foot 2a cannot freely slide relative to the inserting foot 2a, the fixing ring 1 is located right above the tree pile, the tree pile can be conveniently pulled out, the free telescopic inserting foot 2a is convenient to carry and meets the erecting condition, and the fixing ring 1 is always horizontal.
As shown in fig. 3, the bottom end of the insertion pin 2a is further coaxially provided with a ball head 2a2, the insertion tip 2c is coaxially screwed on the bottom end of the ball head 2a2 through a first threaded column 2c1, the adjustable telescopic standing pin 2 further comprises a contact piece 2e, the contact piece 2e is coaxially and slidably arranged on the first threaded column 2c1, and the inner diameter of the contact piece 2e is larger than that of the first threaded column 2c1 and is smaller than that of the ball head 2a 2.
The abutting sheet 2e is coaxially arranged on the first threaded column 2c1, and the inner diameter of the abutting sheet is larger than the diameter of the first threaded column 2c1 and smaller than the diameter of the ball head 2a2, so that when the inserting pointed foot 2c is inserted into the bottom surface, the abutting sheet 2e can abut against the ground, the stress area is increased, and the structural stability is improved.
As shown in fig. 2, a fixing rod 1a for facilitating replacement and installation of the hand-operated hoist 4 is radially provided in the fixing ring 1.
Through setting up dead lever 1a radially in solid fixed ring 1 to make hand hoist 4 fixed hook portion can hang in midair on dead lever 1a, thereby be convenient for change and dismantle the hand hoist 4 of different models.
As shown in fig. 2, hinge seats 1b for hinging are uniformly distributed on the outer circumferential surface of the fixing ring 1 along the axis; the hinge 3 comprises:
the threaded column 3a is coaxially screwed at the top end of the internal threaded sleeve 2 b;
the hinged lug 3b is arranged at the top end of the threaded column 3a and is rotationally connected with the hinged seat 1b through a fixed shaft 3 c.
With the coaxial screw-on of grafting foot 2a connect on the fixed top of adjustable flexible founding foot 2, and articulated ear 3b sets up on threaded column 3a top and rotates the setting on articulated seat 1b through fixed axle 3c to make adjustable flexible founding foot 2 can be fixed ring 1 relatively and freely open different angles, thereby be convenient for adjust according to the stump size.
As shown in fig. 8, 9 and 10, the first radial abutment gripper 5 comprises:
the fixed ring 5a is coaxially arranged at the bottom end of the second radial abutting clamping device 6, and sliding grooves 5a1 penetrating in the radial direction are uniformly distributed in the fixed ring 5a along the axial direction;
the abutting block 5b is arranged on the sliding groove 5a1 in a sliding manner along the radial direction of the fixing ring 5a, the bottom end of the abutting surface of the abutting block 5b is obliquely provided with an inclined surface 5b1, and the abutting block 5b is further provided with an internal threaded hole 5b2 along the radial direction of the fixing ring 5 a;
the lead screw 5c, the lead screw 5c radially rotates along retainer plate 5a through rotating seat 5d and sets up in spout 5a1, just lead screw 5c and internal thread hole 5b2 coaxial thread screw-on, the lead screw 5c outer end still is provided with the rocking handle 5e of being convenient for the staff pivoted.
The fixing ring 5a coaxially penetrates through the stump, the rotating seat 5d is rotated to drive the screw rod 5c to rotate on the rotating seat 5d, the screw rod 5c is coaxially screwed with the internal thread hole 5b2, and the abutting block 5b slides the shooter seat in the sliding groove 5a1, so that the abutting block 5b is abutted on the circumferential surface of the stump along the radial direction of the fixing ring 5a, and the bottom of the abutting end of the abutting block 5b is obliquely provided with an inclined surface 5b1, so that when the abutting block 5b is abutted on the stump, the abutting force direction is inclined upwards, so that when the fixing ring 5a vertically rises, the abutting block 5b is in an engaged state and is engaged with the circumferential surface of the stump, and the stump is conveniently pulled out.
As shown in fig. 6 and 9, the second radial abutment catcher 6 is arranged in mirror symmetry along the top surface of the first radial abutment catcher 5, and the top end of the second radial abutment catcher 6 is fixedly connected with the suspension part of the hand hoist 4 through the first pull rope 7.
The second radial abutting clamping device 6 has the same structure as the first radial abutting clamping device 5 and is in mirror symmetry with the top surface of the fixing ring 5a, so that the abutting block abutting force on the second radial abutting clamping device 6 is inclined downwards, the abutting ends of the first radial abutting clamping device 5 and the second radial abutting clamping device 6 are made to interact with each other to be dead with the stump, and therefore the first radial abutting clamping device 5 and the second radial abutting clamping device 6 are prevented from being vertically separated from each other in the drawing process.
As shown in fig. 7, the device further comprises a tensioning linkage 8, wherein the tensioning linkage 8 comprises:
the gear 8a is coaxially and fixedly arranged at the outer end of the screw rod 5 c;
the rack 8b is vertically arranged on the outer circumferential surface of the fixed ring 5a in a sliding manner through a sliding seat 8c, and the rack 8b is meshed with the gear 8 a;
two ends of the second pull rope 8d are fixedly connected with the suspension end of the manual hoist 4 and the top end of the rack 8b respectively, and the looseness of the second pull rope 8d is smaller than that of the first pull rope 7.
The manual hoist 4 is started to lift the suspended part thereof, and the looseness of the first pull rope 7 is larger than that of the second pull rope 8d, so that the suspended part of the manual hoist 4 firstly tensions the second pull rope 8d to drive the rack 8b to lift on the sliding seat 8c, so that the rack 8a is driven to rotate by the manual hoist, the screw rod 5c is driven to rotate, the abutting part of the first radial abutting clamping device 5 is continuously slid to be tightly abutted against the stump, and the first radial abutting clamping device 5 and the second radial abutting clamping device 6 are prevented from being separated from the stump.
As shown in fig. 4 and 5, the double pin clip 2d includes:
the fixing block 2d1 is fixedly arranged on the outer circumferential surface of the internal threaded sleeve 2b, and the upper end and the lower end of the fixing block 2d1 are provided with limiting sliding grooves 2d2 along the radial direction of the fixing block 2d 1;
the double-type bolt 2d3 is characterized in that two sides of the double-type bolt 2d3 coaxially sequentially penetrate through the second inserting hole 2b1 and the first inserting hole 2a1 to be in sliding fit with the fixed block 2d1, and the upper end and the lower end of two sides of the double-type bolt 2d3 are respectively provided with a first butt-joint sliding groove 2d4 coaxial with the limiting sliding groove 2d 2;
and the re-shaped sliding pin 2d5 is arranged on the limit sliding groove 2d2 in a coaxial sliding mode through the re-shaped sliding pin 2d5, the opening end of the re-shaped sliding pin is fixedly connected through the connecting plate 2d7, and second butt-joint sliding grooves 2d6 in sliding butt joint with the re-shaped bolt 2d3 are further arranged on two sides of the re-shaped sliding pin 2d 5.
The extension length of the insertion pin 2a relative to the internal thread sleeve 2b is adjusted in advance, and the shaped sliding pin 2d5 is slid to slide on the limit sliding groove 2d2 and the first butt sliding groove 2d4, so that when the second butt sliding groove 2d6 is coaxial with the shaped sliding pin 2d3, the pin 2d can exit from the second insertion hole 2b1 and the first insertion hole 2a1, so that the insertion pin 2a can freely slide in the internal thread sleeve 2b, the height of the fixing ring 1 can be adjusted according to the height and the width of the tree pile, and when the adjustable telescopic stand pin 2 rotates on the outer circumferential surface of the fixing ring 1 through the hinge 3 and the insertion pointed pin 2c is inserted on the bottom surface, the fixing ring 1 is located right above the tree pile.
As shown in fig. 9 and 10, the inner side of the sliding groove 5a1 is further provided with a dovetail groove 5a2 along the radial direction of the fixed ring 5 a; the outer side of the abutting block 5b is also provided with a dovetail wedge 5b3 which is in sliding fit with the dovetail groove 5a 2.
The dovetail groove 5a2 and the dovetail wedge 5b3 are slidably fitted to each other, so that the structure of the abutting block 5b is more stable when the abutting block 5b slides in the fixing ring 5a, and the abutting block 5b is prevented from being broken relative to the fixing ring 5a due to excessive drawing force.
The device realizes the functions of the invention through the following steps, thereby solving the technical problems provided by the invention:
the method comprises the following steps: the extension length of the insertion pin 2a relative to the internal thread sleeve 2b is adjusted in advance, and the molded sliding pin 2d5 is slid to slide on the limiting sliding groove 2d2 and the first butt sliding groove 2d4, so that when the second butt sliding groove 2d6 is coaxial with the molded sliding pin 2d3, the pin 2d can exit from the second insertion hole 2b1 and the first insertion hole 2a1, so that the insertion pin 2a can freely slide in the internal thread sleeve 2b, the height of the fixing ring 1 can be adjusted according to the height and the width of the tree pile, and when the adjustable telescopic stand pin 2 rotates on the outer circumferential surface of the fixing ring 1 through the hinge 3 and the insertion pin 2c is inserted on the bottom surface, the fixing ring 1 is positioned right above the tree pile;
step two: the manual hoist 4 is hung, the top end of the manual hoist 4 is hung on the fixed rod 1a, the manual hoist 4 with different tensile forces can be replaced according to the size of the stump, and therefore the stump which is withered can be conveniently pulled out;
step three: arranging a first radial abutting clamping device 5 and a second radial abutting clamping device 6, wherein the first radial abutting clamping device 5 and the second radial abutting clamping device 6 are symmetrically and fixedly arranged, the combined body of the first radial abutting clamping device and the second radial abutting clamping device coaxially penetrates through the stump, and therefore the fixing ring 5a is surrounded on a vertical outer ring;
step four: manually rotating the rocking handle 5e, so that the screw rod 5c coaxially rotates on the rotating seat 5d, the screw rod 5c is coaxially screwed with the internally threaded hole 5b2, and the abutting block 5b is slidably arranged in the sliding groove 5a1, so that the abutting block 5b moves in the radial direction relative to the fixing ring 5a to abut on the circumferential surface of the stump;
step five: when the abutting surface of the abutting block 5b is a certain distance away from the stump, the rack 8b penetrates through the sliding seat 8c, the rocking handle 5e is rotated again, so that the gear 8a rotates to drive the rack 8b to ascend until the abutting block 5b completely abuts against the stump, the top end of the rack 8b is fixedly connected with the suspension part of the manual hoist 4 through a second pull rope 8d, and the bottom of the abutting end of the abutting block 5b is obliquely provided with an inclined surface 5b1, so that when the abutting block 5b abuts against the stump, the abutting force direction is inclined upwards, so that when the fixed ring 5a vertically ascends, the abutting block 5b is in an engaged state and is engaged with the circumferential surface of the stump, and the stump is convenient to pull out; and the second radial abutting clamping device 6 has the same structure as the first radial abutting clamping device 5 and is in mirror symmetry with the top surface of the fixed ring 5a, so that the abutting block abutting force on the second radial abutting clamping device 6 is inclined downwards, and the abutting ends of the first radial abutting clamping device 5 and the second radial abutting clamping device 6 are interacted to be dead with the stump, thereby preventing the first radial abutting clamping device 5 and the second radial abutting clamping device 6 from being vertically separated in the drawing process;
step six: the top end of the second radial abutting clamping device 6 is fixedly connected with the suspension part of the manual hoist 4 through a first pull rope 7, and the looseness of the first pull rope 7 is larger than that of the second pull rope 8 d;
step seven: starting the manual hoist 4 to enable the suspension part to ascend, wherein the looseness of the first pull rope 7 is larger than that of the second pull rope 8d, so that the suspension part of the manual hoist 4 firstly tensions the second pull rope 8d to drive the rack 8b to ascend at the sliding seat 8c, and then the rack is driven to rotate the gear 8a, the abutting part of the first radial abutting clamping device 5 is enabled to continuously slide and tightly abut on the stump, and the first radial abutting clamping device 5 and the second radial abutting clamping device 6 are prevented from being separated from the stump;
step eight: the manual hoist 4 is continuously started so that it pulls out the stump.
The foregoing has described the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a device is pulled out to withered and dead stump for planting trees which characterized in that, including:
a fixed ring (1);
the adjustable telescopic vertical legs (2) are uniformly distributed on the outer circumferential surface of the fixing ring (1) along the axis of the fixing ring (1) through the hinge pieces (3), and inserting legs (2 a) which are used for being abutted against the ground and are freely telescopic are arranged at the bottom ends of the adjustable telescopic vertical legs (2);
the top end of the manual hoist (4) is hung in the fixed ring (1);
the clamping device comprises a first radial abutting clamping device (5) and a second radial abutting clamping device (6), wherein the clamping devices are symmetrically and fixedly arranged, the top ends of the clamping devices are fixedly connected with the bottom end of the hand-operated hoist (4) through a first pull rope (7), in a working state, the clamping device abutting parts are abutted on a vertical circumferential shaft surface along the radial direction, and the force application direction of the clamping device abutting parts is inclined towards the axis at an obtuse angle.
2. The deadly stump removing device for tree planting according to claim 1, wherein the circumferential surface of the inserting foot (2 a) is provided with first inserting holes (2 a 1) which penetrate along the radial direction at equal intervals;
adjustable telescopic stand (2) also comprises:
the top end of the internal thread sleeve (2 b) is hinged with the outer circumferential surface of the fixing ring (1) through a hinge piece (3), second inserting holes (2 b 1) in the radial direction are formed in the internal thread sleeve (2 b) at equal intervals, and the inserting pins (2 a) are coaxially and slidably arranged in the internal thread sleeve (2 b);
the tip end of the plugging sharp foot (2 c) faces downwards, and the top end of the plugging sharp foot (2 c) is coaxially screwed at the bottom end of the plugging foot (2 a) through a first threaded column (2 c 1);
the first plug hole (2 a 1) and the second plug hole (2 b 1) are fixedly plugged through the double-pin clamping piece (2 d).
3. The dead stump removing device for tree planting according to claim 1, wherein the bottom end of the insertion pin (2 a) is further coaxially provided with a ball head (2 a 2), the insertion pointed foot (2 c) is coaxially screwed at the bottom end of the ball head (2 a 2) through a first threaded column (2 c 1), the adjustable telescopic standing foot (2) further comprises an abutting sheet (2 e), the abutting sheet (2 e) is coaxially and slidably arranged on the first threaded column (2 c 1), and the inner diameter of the abutting sheet (2 e) is larger than the diameter of the first threaded column (2 c 1) and is smaller than the diameter of the ball head (2 a 2).
4. The apparatus for removing deadly stump for tree planting as claimed in claim 1, wherein the fixing ring (1) is provided with fixing rods (1 a) radially therein for facilitating replacement and installation of the manual block (4).
5. The device for pulling out the withered stump for tree planting according to claim 1, wherein the outer circumferential surface of the fixing ring (1) is uniformly provided with hinge seats (1 b) for hinging along the axis; the hinge (3) comprises:
the threaded column (3 a), the threaded column (3 a) is screwed on the top end of the internal threaded sleeve (2 b) coaxially;
the hinged lug (3 b) is arranged at the top end of the threaded column (3 a) and is rotationally connected with the hinged seat (1 b) through a fixed shaft (3 c).
6. The device for removing dead stump stumps for tree planting according to claim 1, wherein the first radial abutment catcher (5) comprises:
the fixed ring (5 a) is coaxially arranged at the bottom end of the second radial abutting clamping device (6), and sliding grooves (5 a 1) which penetrate through the fixed ring (5 a) along the radial direction are uniformly distributed in the fixed ring (5 a) along the axial direction;
the abutting block (5 b) is arranged on the sliding groove (5 a 1) in a sliding mode along the radial direction of the fixing ring (5 a), the bottom end of the abutting surface of the abutting block (5 b) is obliquely provided with an inclined surface (5 b 1), and the abutting block (5 b) is further provided with an internal threaded hole (5 b 2) along the radial direction of the fixing ring (5 a);
lead screw (5 c), lead screw (5 c) radially rotate along retainer plate (5 a) through rotating seat (5 d) and set up in spout (5 a 1), just lead screw (5 c) are twisted with the coaxial screw in internal thread hole (5 b 2) and are connect, lead screw (5 c) outer end still is provided with rocking handle (5 e) of being convenient for the staff pivoted.
7. The dead stump removing device for tree planting according to claim 1, wherein the second radial abutting clamping device (6) is arranged in a mirror symmetry mode along the top surface of the first radial abutting clamping device (5), and the top end of the second radial abutting clamping device (6) is fixedly connected with the suspension part of the manual hoist (4) through a first pull rope (7).
8. The deadly stump removing device for tree planting according to claim 1, further comprising a tensioning linkage (8), wherein said tensioning linkage (8) comprises:
the gear (8 a) is coaxially and fixedly arranged at the outer end of the screw rod (5 c);
the rack (8 b) is vertically arranged on the outer circumferential surface of the fixed ring (5 a) in a sliding mode through a sliding seat (8 c), and the rack (8 b) is meshed with the gear (8 a);
and two ends of the second pull rope (8 d) are fixedly connected with the suspension end of the manual hoist (4) and the top end of the rack (8 b), and the looseness of the second pull rope (8 d) is smaller than that of the first pull rope (7).
9. The deadly stump removing device for tree planting as claimed in claim 2, wherein the double pin engaging member (2 d) comprises:
the fixing block (2 d 1), the fixing block (2 d 1) is fixedly arranged on the outer circumferential surface of the inner threaded sleeve (2 b), and the upper end and the lower end of the fixing block (2 d 1) are provided with limiting sliding grooves (2 d 2) along the radial direction of the fixing block (2 d 1);
the two sides of the re-shaped bolt (2 d 3) sequentially penetrate through the second inserting hole (2 b 1) and the first inserting hole (2 a 1) in a coaxial mode to be in sliding fit with the fixed block (2 d 1), and the upper end and the lower end of the two sides of the re-shaped bolt (2 d 3) are provided with first butt-joint sliding grooves (2 d 4) coaxial with the limiting sliding grooves (2 d 2);
and the re-shaped sliding pin (2 d 5), the re-shaped sliding pin (2 d 5) is coaxially arranged on the limiting sliding groove (2 d 2) in a sliding mode, the opening end of the re-shaped sliding pin is fixedly connected through the connecting plate (2 d 7), and second butt-joint sliding grooves (2 d 6) which are in sliding butt joint with the re-shaped bolt (2 d 3) are further arranged on two sides of the re-shaped sliding pin (2 d 5).
10. The dead stump removing device for tree planting according to claim 6, wherein a dovetail groove (5 a 2) is further provided inside the sliding groove (5 a 1) along the radial direction of the fixing ring (5 a); the outer side of the abutting block (5 b) is also provided with a dovetail wedge (5 b 3) which is in sliding fit with the dovetail groove (5 a 2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010753502.7A CN111802209B (en) | 2020-07-30 | 2020-07-30 | A withered and dead stump pull out device for planting trees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010753502.7A CN111802209B (en) | 2020-07-30 | 2020-07-30 | A withered and dead stump pull out device for planting trees |
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| Publication Number | Publication Date |
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| CN111802209A true CN111802209A (en) | 2020-10-23 |
| CN111802209B CN111802209B (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010753502.7A Active CN111802209B (en) | 2020-07-30 | 2020-07-30 | A withered and dead stump pull out device for planting trees |
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| Publication number | Publication date |
|---|---|
| CN111802209B (en) | 2022-02-11 |
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