Ornamental trees and shrubs plant and support frame
Technical Field
The invention relates to a supporting frame, in particular to a supporting frame for garden tree planting.
Background
Nowadays, the requirements of people on the environmental quality are increasingly outstanding, the requirements on landscaping are increasingly strengthened, and garden tree planting is an important means for purifying air and beautifying cities. And (4) trimming the tree roots by garden workers, and then putting the seedlings into the holes. The root system of the tree which is just planted is unstable, the tree is easy to blow by wind or incline and fall due to human activities, a worker sets a support for planting the tree to survive and keep good growth in the later period, and the tree is tied and fixed by using a stick and a rope to be firmly supported. However, a plurality of wooden sticks are needed to be pricked on one tree, and the wooden sticks are manually bound one by one, so that the speed is too slow, and time and labor are consumed; the wooden sticks are difficult to tie up, align and tie up, and special workers are needed for operation; after the wooden stick continuously supports for a long time, the worker removes the wooden stick, and the wooden stick loses vitality, is loose in material and cannot be reused.
Disclosure of Invention
In order to overcome the defects that the tree planting bracket in the garden needs to be pricked one by one, the operation is troublesome, and the wooden stick can not be reused, the technical problem is as follows: the garden tree planting support frame can support trees at one time, is simple to operate and can be used repeatedly.
The technical scheme is as follows: a garden tree planting support frame comprises arc-shaped insertion rods, first connecting rods, first rotating rods, arc-shaped support rods, second rotating rods, second connecting rods, third connecting rods, a lifting mechanism, first clamping rods, rubber rings and first springs, wherein the left side and the right side of the top of each arc-shaped insertion rod are respectively connected with the first connecting rods, the rear side of the top of each arc-shaped insertion rod is connected with the two first connecting rods, the upper parts of the inner sides of the first connecting rods on the left side and the right side of the top of each arc-shaped insertion rod are respectively and rotatably connected with the two first rotating rods, the inner ends of the first rotating rods on the left side and the right side are respectively connected with the arc-shaped support rods, the arc-shaped support rods on the left side and the right side are matched with each other, the bottom of each first rotating rod is rotatably connected with the corresponding second rotating rod, the second connecting rods on the upper side and the lower side are respectively connected with the, the lifting mechanism is rotatably connected with two first clamping rods, the lifting mechanism is connected with a rubber ring, the first clamping rods are clamped outside the rubber ring, and a first spring is connected between the lower parts of the front sides of the first clamping rods on the left side and the right side.
Further, elevating system is including first fixed block, first nut, lead screw and commentaries on classics piece, embedded first fixed block that is equipped with in the middle of the arc inserted bar rear wall, it has the recess to open on the first fixed block, upper portion is connected with first nut in the recess, be connected with the lead screw with threaded mode in the first nut, the lead screw top is connected with the commentaries on classics piece, the commentaries on classics piece top is connected with third connecting rod bottom rotary type, two first clamping bars are connected with the left and right sides rotary type of commentaries on classics piece respectively, the rubber snare is on first fixed block outside upper portion.
Further, still including the second clamping bar, the block rubber, first axle sleeve, the second nut, first screw rod, second axle sleeve and second screw rod, the equal rotary type in both sides around the arc of the left and right sides is held up the pole inboard is connected with the second clamping bar, the second clamping bar inboard of both sides all is connected with the block rubber around, the equal rotary type in both sides is connected with first axle sleeve around the arc of right side is held up the pole top, the equal rotary type in both sides is connected with the second axle sleeve around the left arc is held up the pole top, second clamping bar top rotary type is connected with the second nut, the rotary type is equipped with first screw rod in the first axle sleeve, the rotary type is equipped with the second screw rod in the second axle sleeve, the inner of first screw rod and second screw rod all is connected with the second.
Further, the connecting device comprises second fixing blocks and second springs, wherein the two second fixing blocks are connected to the upper portions of the inner sides of the first connecting rods on the left side and the right side, the two second fixing blocks are located above the two first rotating rods respectively, and the second springs are connected between the second fixing blocks and the corresponding first rotating rods.
Furthermore, the clamping device also comprises a third rotating rod and a pressing block, wherein the lower part of the front side of the first clamping rod on the left side is rotatably connected with the third rotating rod, and the right end of the third rotating rod is connected with the pressing block.
The worker moves the tree seedling side, the first clamping rods on the left side and the right side are outwards opened and leave the rubber ring, and the first springs are stretched accordingly. The first clamping rod is rotated in the positive direction by a worker, so that the third connecting rod moves upwards through the lifting mechanism, the first connecting rod rotates upwards through the second connecting rod and the second rotating rod, the first rotating rod drives the arc holding rods on the left side and the right side to open outwards, the worker can push the seedling surrounding device forwards to enable the arc holding rods on the left side and the right side to be located on the outer sides of the seedlings, the arc inserting rods are inserted into soil to be fixed well, then the first clamping rod rotates in the negative direction, so that the third connecting rod moves downwards through the lifting mechanism, the arc holding rods on the left side and the right side move inwards and are matched with the seedling to be clamped, and the operation is simple, the tree can be held at one time, the planting speed can be accelerated, and time and labor and time are saved. After the tree seedlings are held, the worker releases the first clamping rods, and under the action of the first springs, the first clamping rods on the left side and the right side move inwards and clamp the rubber ring again. After the tree is pricked and the root is stabilized, the worker opens the arc holding rod again, and the arc inserting rod is pulled out, so that the tree-shaped support can be moved out, and the tree-shaped support can be repeatedly used.
When the staff positive direction rotated first clamping bar, first clamping bar drove the lead screw positive direction through changeing the piece and rotates and rebound, and the lead screw drives third connecting rod rebound through changeing the piece, and then the arc of the left and right sides holds up the pole and opens. When the arc-shaped holding rod is opened to a proper position, the worker stops rotating the rotating block. When the staff rotates the first clamping rod in the opposite direction, the third connecting rod moves downwards, the arc-shaped holding rods on the left side and the right side are folded inwards and clamp the saplings, and therefore the opening or closing of the arc-shaped holding rods can be well controlled.
After the arc-shaped holding rod blocks the tree seedling, the first screw rod and the second screw rod on the front side and the back side of the positive rotation of the worker are driven by the second screw rod to move inwards, so that the second clamping rod is driven to drive the rubber block to move inwards, and when the trunk is tightly attached to the rubber block, the worker stops rotating the first screw rod and the second screw rod, so that the tree seedling can be better blocked, the holding force can be enhanced, and the tree seedling can be further reinforced. When the tree trunk is required to be moved out, a worker rotates the first screw rod and the second screw rod in the opposite directions, so that the second clamping rod is driven by the second nut to move outwards, and the rubber block is separated from the tree trunk.
Initially, the second spring is in tension. When the first rotating rod rotates upwards, the second spring can assist in pulling the first rotating rod. When the rod is held up to suitable position to the arc, under the second spring action, the rod is held up to the arc can remain throughout and open the state, so need not the staff and continuously holds the commentaries on classics piece, can improve the simple operation nature. When the arc-shaped holding rod is closed, the second spring is stretched again.
After the first clamping bars on the left side and the right side are outwards opened, the worker turns down the third rotating rod and enables the pressing block to abut against the first clamping bar on the right side, so that the first clamping bar can be always kept in a spreading state, the worker is not required to continuously pull out the first clamping bar, and the rotating block can be conveniently rotated. When the first clamping rod is required to clamp the rubber ring, the worker rotates the third rotating rod to reset and loosens the first clamping rod.
Compared with the prior art, the invention has the following advantages: according to the tree planting machine, the operator pushes the tree planting machine forward to surround the tree seedlings, so that the arc-shaped support rods clamp the tree seedlings, the operation is simple, the tree can be supported at one time, the planting speed can be accelerated, and time and labor are saved; the invention can be reused by moving it out; the opening or closing of the arc-shaped holding rod can be well controlled by rotating the rotating block forwards and backwards; the first screw rod and the second screw rod are rotated to enable the rubber block to be tightly attached to the trunk, so that the saplings can be clamped better, the supporting force can be enhanced, and the saplings can be further reinforced; through rotating down the third bull stick and making the briquetting support the first clamping bar on right side, can make first clamping bar keep the state of strutting, conveniently rotate the commentaries on classics piece.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a partial schematic front view of the present invention.
Fig. 3 is a partial top view of the present invention.
Part names and serial numbers in the figure: 1 arc inserted bar, 2 head rods, 3 first bull sticks, 4 arc are held up the pole, 5 second bull sticks, 6 second connecting rods, 7 third connecting rods, 8 elevating system, 801 first fixed block, 802 first nut, 803 lead screws, 804 commentaries on classics piece, 805 recess, 9 first clamping bar, 10 rubber circle, 11 first spring, 12 second clamping bars, 13 rubber block, 14 first axle sleeve, 15 second nut, 16 first screw rod, 17 second axle sleeve, 18 second screw rod, 19 second fixed blocks, 20 second springs, 21 third bull sticks, 22 briquetting.
Detailed Description
Although the present invention may be described with respect to particular applications or industries, those skilled in the art will recognize the broader applicability of the invention. Those of ordinary skill in the art will recognize other factors such as: terms such as above, below, upward, downward, and the like are used to describe the accompanying drawings and are not meant to limit the scope of the invention, which is defined by the appended claims. Such as: any numerical designation of first or second, and the like, is merely exemplary and is not intended to limit the scope of the invention in any way.
Example 1
A garden tree planting support frame is shown in figures 1-3 and comprises arc-shaped insertion rods 1, first connecting rods 2, first rotating rods 3, arc-shaped support rods 4, second rotating rods 5, second connecting rods 6, third connecting rods 7, a lifting mechanism 8, first clamping rods 9, rubber rings 10 and first springs 11, wherein the left side and the right side of the top of each arc-shaped insertion rod 1 are respectively connected with the first connecting rods 2, the rear side of the top of each arc-shaped insertion rod 1 is connected with the two first connecting rods 2, the upper parts of the inner sides of the first connecting rods 2 on the left side and the right side of the top of each arc-shaped insertion rod 1 are respectively rotatably connected with the two first rotating rods 3, the inner ends of the first rotating rods 3 on the left side and the right side are respectively connected with the arc-shaped support rods 4, the arc-shaped support rods 4 on the left side and the right side are matched, the bottoms of the first rotating rods 3 are rotatably connected with the second rotating rods 5, the second connecting rods 6 between the second rotating, a lifting mechanism 8 is arranged between the bottom of the third connecting rod 7 and the rear wall of the arc-shaped inserting rod 1, two first clamping rods 9 are rotatably connected to the lifting mechanism 8, a rubber ring 10 is connected to the lifting mechanism 8, the first clamping rods 9 are clamped outside the rubber ring 10, and first springs 11 are connected between the lower portions of the front sides of the first clamping rods 9 on the left side and the right side.
Example 2
A garden tree planting support frame is shown in figures 1-3 and comprises arc-shaped insertion rods 1, first connecting rods 2, first rotating rods 3, arc-shaped support rods 4, second rotating rods 5, second connecting rods 6, third connecting rods 7, a lifting mechanism 8, first clamping rods 9, rubber rings 10 and first springs 11, wherein the left side and the right side of the top of each arc-shaped insertion rod 1 are respectively connected with the first connecting rods 2, the rear side of the top of each arc-shaped insertion rod 1 is connected with the two first connecting rods 2, the upper parts of the inner sides of the first connecting rods 2 on the left side and the right side of the top of each arc-shaped insertion rod 1 are respectively rotatably connected with the two first rotating rods 3, the inner ends of the first rotating rods 3 on the left side and the right side are respectively connected with the arc-shaped support rods 4, the arc-shaped support rods 4 on the left side and the right side are matched, the bottoms of the first rotating rods 3 are rotatably connected with the second rotating rods 5, the second connecting rods 6 between the second rotating, a lifting mechanism 8 is arranged between the bottom of the third connecting rod 7 and the rear wall of the arc-shaped inserting rod 1, two first clamping rods 9 are rotatably connected to the lifting mechanism 8, a rubber ring 10 is connected to the lifting mechanism 8, the first clamping rods 9 are clamped outside the rubber ring 10, and first springs 11 are connected between the lower portions of the front sides of the first clamping rods 9 on the left side and the right side.
The lifting mechanism 8 comprises a first fixing block 801, a first nut 802, a screw rod 803 and a rotating block 804, the first fixing block 801 is embedded in the middle of the rear wall of the arc-shaped insert rod 1, a groove 805 is formed in the first fixing block 801, the upper portion in the groove 805 is connected with the first nut 802, the screw rod 803 is connected in the first nut 802 in a threaded mode, the top end of the screw rod 803 is connected with the rotating block 804, the top of the rotating block 804 is rotatably connected with the bottom end of a third connecting rod 7, the two first clamping rods 9 are rotatably connected with the left side and the right side of the rotating block 804 respectively, and the rubber ring 10 is sleeved on the upper portion of the outer side of.
Example 3
A garden tree planting support frame is shown in figures 1-3 and comprises arc-shaped insertion rods 1, first connecting rods 2, first rotating rods 3, arc-shaped support rods 4, second rotating rods 5, second connecting rods 6, third connecting rods 7, a lifting mechanism 8, first clamping rods 9, rubber rings 10 and first springs 11, wherein the left side and the right side of the top of each arc-shaped insertion rod 1 are respectively connected with the first connecting rods 2, the rear side of the top of each arc-shaped insertion rod 1 is connected with the two first connecting rods 2, the upper parts of the inner sides of the first connecting rods 2 on the left side and the right side of the top of each arc-shaped insertion rod 1 are respectively rotatably connected with the two first rotating rods 3, the inner ends of the first rotating rods 3 on the left side and the right side are respectively connected with the arc-shaped support rods 4, the arc-shaped support rods 4 on the left side and the right side are matched, the bottoms of the first rotating rods 3 are rotatably connected with the second rotating rods 5, the second connecting rods 6 between the second rotating, a lifting mechanism 8 is arranged between the bottom of the third connecting rod 7 and the rear wall of the arc-shaped inserting rod 1, two first clamping rods 9 are rotatably connected to the lifting mechanism 8, a rubber ring 10 is connected to the lifting mechanism 8, the first clamping rods 9 are clamped outside the rubber ring 10, and first springs 11 are connected between the lower portions of the front sides of the first clamping rods 9 on the left side and the right side.
The lifting mechanism 8 comprises a first fixing block 801, a first nut 802, a screw rod 803 and a rotating block 804, the first fixing block 801 is embedded in the middle of the rear wall of the arc-shaped insert rod 1, a groove 805 is formed in the first fixing block 801, the upper portion in the groove 805 is connected with the first nut 802, the screw rod 803 is connected in the first nut 802 in a threaded mode, the top end of the screw rod 803 is connected with the rotating block 804, the top of the rotating block 804 is rotatably connected with the bottom end of a third connecting rod 7, the two first clamping rods 9 are rotatably connected with the left side and the right side of the rotating block 804 respectively, and the rubber ring 10 is sleeved on the upper portion of the outer side of.
Still including second clamping bar 12, the rubber block 13, first axle sleeve 14, the second nut 15, first screw rod 16, second axle sleeve 17 and second screw rod 18, the equal rotary type in both sides is connected with second clamping bar 12 around the arc of the left and right sides holds up 4 inboard front and back both sides, the second clamping bar 12 inboard of front and back both sides all is connected with rubber block 13, the equal rotary type in both sides is connected with first axle sleeve 14 around the arc of right side holds up 4 tops, the equal rotary type in both sides is connected with second axle sleeve 17 around the arc of left side holds up 4 tops, second clamping bar 12 top rotary type is connected with second nut 15, 14 internal rotations of first axle sleeve are equipped with first screw rod 16, second axle sleeve 17 internal rotations are equipped with second screw rod 18, the inner of first screw rod 16 and second screw rod 18 all is connected with second nut 15 with threaded connection's mode.
Example 4
A garden tree planting support frame is shown in figures 1-3 and comprises arc-shaped insertion rods 1, first connecting rods 2, first rotating rods 3, arc-shaped support rods 4, second rotating rods 5, second connecting rods 6, third connecting rods 7, a lifting mechanism 8, first clamping rods 9, rubber rings 10 and first springs 11, wherein the left side and the right side of the top of each arc-shaped insertion rod 1 are respectively connected with the first connecting rods 2, the rear side of the top of each arc-shaped insertion rod 1 is connected with the two first connecting rods 2, the upper parts of the inner sides of the first connecting rods 2 on the left side and the right side of the top of each arc-shaped insertion rod 1 are respectively rotatably connected with the two first rotating rods 3, the inner ends of the first rotating rods 3 on the left side and the right side are respectively connected with the arc-shaped support rods 4, the arc-shaped support rods 4 on the left side and the right side are matched, the bottoms of the first rotating rods 3 are rotatably connected with the second rotating rods 5, the second connecting rods 6 between the second rotating, a lifting mechanism 8 is arranged between the bottom of the third connecting rod 7 and the rear wall of the arc-shaped inserting rod 1, two first clamping rods 9 are rotatably connected to the lifting mechanism 8, a rubber ring 10 is connected to the lifting mechanism 8, the first clamping rods 9 are clamped outside the rubber ring 10, and first springs 11 are connected between the lower portions of the front sides of the first clamping rods 9 on the left side and the right side.
The lifting mechanism 8 comprises a first fixing block 801, a first nut 802, a screw rod 803 and a rotating block 804, the first fixing block 801 is embedded in the middle of the rear wall of the arc-shaped insert rod 1, a groove 805 is formed in the first fixing block 801, the upper portion in the groove 805 is connected with the first nut 802, the screw rod 803 is connected in the first nut 802 in a threaded mode, the top end of the screw rod 803 is connected with the rotating block 804, the top of the rotating block 804 is rotatably connected with the bottom end of a third connecting rod 7, the two first clamping rods 9 are rotatably connected with the left side and the right side of the rotating block 804 respectively, and the rubber ring 10 is sleeved on the upper portion of the outer side of.
Still including second clamping bar 12, the rubber block 13, first axle sleeve 14, the second nut 15, first screw rod 16, second axle sleeve 17 and second screw rod 18, the equal rotary type in both sides is connected with second clamping bar 12 around the arc of the left and right sides holds up 4 inboard front and back both sides, the second clamping bar 12 inboard of front and back both sides all is connected with rubber block 13, the equal rotary type in both sides is connected with first axle sleeve 14 around the arc of right side holds up 4 tops, the equal rotary type in both sides is connected with second axle sleeve 17 around the arc of left side holds up 4 tops, second clamping bar 12 top rotary type is connected with second nut 15, 14 internal rotations of first axle sleeve are equipped with first screw rod 16, second axle sleeve 17 internal rotations are equipped with second screw rod 18, the inner of first screw rod 16 and second screw rod 18 all is connected with second nut 15 with threaded connection's mode.
The connecting rod device is characterized by further comprising second fixing blocks 19 and second springs 20, the upper portions of the inner sides of the left and right sides of the first connecting rods 2 are connected with the two second fixing blocks 19, the two second fixing blocks 19 are located above the two first rotating rods 3 respectively, and the second springs 20 are connected between the second fixing blocks 19 and the corresponding first rotating rods 3.
Example 5
A garden tree planting support frame is shown in figures 1-3 and comprises arc-shaped insertion rods 1, first connecting rods 2, first rotating rods 3, arc-shaped support rods 4, second rotating rods 5, second connecting rods 6, third connecting rods 7, a lifting mechanism 8, first clamping rods 9, rubber rings 10 and first springs 11, wherein the left side and the right side of the top of each arc-shaped insertion rod 1 are respectively connected with the first connecting rods 2, the rear side of the top of each arc-shaped insertion rod 1 is connected with the two first connecting rods 2, the upper parts of the inner sides of the first connecting rods 2 on the left side and the right side of the top of each arc-shaped insertion rod 1 are respectively rotatably connected with the two first rotating rods 3, the inner ends of the first rotating rods 3 on the left side and the right side are respectively connected with the arc-shaped support rods 4, the arc-shaped support rods 4 on the left side and the right side are matched, the bottoms of the first rotating rods 3 are rotatably connected with the second rotating rods 5, the second connecting rods 6 between the second rotating, a lifting mechanism 8 is arranged between the bottom of the third connecting rod 7 and the rear wall of the arc-shaped inserting rod 1, two first clamping rods 9 are rotatably connected to the lifting mechanism 8, a rubber ring 10 is connected to the lifting mechanism 8, the first clamping rods 9 are clamped outside the rubber ring 10, and first springs 11 are connected between the lower portions of the front sides of the first clamping rods 9 on the left side and the right side.
The lifting mechanism 8 comprises a first fixing block 801, a first nut 802, a screw rod 803 and a rotating block 804, the first fixing block 801 is embedded in the middle of the rear wall of the arc-shaped insert rod 1, a groove 805 is formed in the first fixing block 801, the upper portion in the groove 805 is connected with the first nut 802, the screw rod 803 is connected in the first nut 802 in a threaded mode, the top end of the screw rod 803 is connected with the rotating block 804, the top of the rotating block 804 is rotatably connected with the bottom end of a third connecting rod 7, the two first clamping rods 9 are rotatably connected with the left side and the right side of the rotating block 804 respectively, and the rubber ring 10 is sleeved on the upper portion of the outer side of.
Still including second clamping bar 12, the rubber block 13, first axle sleeve 14, the second nut 15, first screw rod 16, second axle sleeve 17 and second screw rod 18, the equal rotary type in both sides is connected with second clamping bar 12 around the arc of the left and right sides holds up 4 inboard front and back both sides, the second clamping bar 12 inboard of front and back both sides all is connected with rubber block 13, the equal rotary type in both sides is connected with first axle sleeve 14 around the arc of right side holds up 4 tops, the equal rotary type in both sides is connected with second axle sleeve 17 around the arc of left side holds up 4 tops, second clamping bar 12 top rotary type is connected with second nut 15, 14 internal rotations of first axle sleeve are equipped with first screw rod 16, second axle sleeve 17 internal rotations are equipped with second screw rod 18, the inner of first screw rod 16 and second screw rod 18 all is connected with second nut 15 with threaded connection's mode.
The connecting rod device is characterized by further comprising second fixing blocks 19 and second springs 20, the upper portions of the inner sides of the left and right sides of the first connecting rods 2 are connected with the two second fixing blocks 19, the two second fixing blocks 19 are located above the two first rotating rods 3 respectively, and the second springs 20 are connected between the second fixing blocks 19 and the corresponding first rotating rods 3.
The clamping device also comprises a third rotating rod 21 and a pressing block 22, wherein the lower part of the front side of the first clamping rod 9 on the left side is rotatably connected with the third rotating rod 21, and the right end of the third rotating rod 21 is connected with the pressing block 22.
The worker moves the device to the side of the sapling, the first clamping rods 9 on the left side and the right side are outwards opened and separated from the rubber ring 10, and the first springs 11 are stretched accordingly. The first clamping rod 9 is rotated in the positive direction by a worker, so that the third connecting rod 7 moves upwards through the lifting mechanism 8, the third connecting rod 7 enables the first rotating rod 3 to rotate upwards through the second connecting rod 6 and the second rotating rod 5, the first rotating rod 3 drives the arc supporting rods 4 on the left side and the right side to open outwards, the worker can push the tree seedling surrounding device forward, the arc supporting rods 4 on the left side and the right side are located on the outer sides of the tree seedling, the arc inserting rods 1 are inserted into soil and fixed well, then the first clamping rod 9 is rotated in the reverse direction, so that the third connecting rod 7 moves downwards through the lifting mechanism 8, the arc supporting rods 4 on the left side and the right side move inwards and are matched with the tree seedling to be clamped, the operation is simple, the tree can be supported at one time, the planting speed can be accelerated, and time and labor are saved. After the seedlings are held, the worker releases the first clamping rods 9, and under the action of the first springs 11, the first clamping rods 9 on the left side and the right side move inwards and clamp the rubber ring 10 again. After the tree is pricked and the root is stabilized, the worker opens the arc-shaped holding rod 4 again and pulls out the arc-shaped inserting rod 1, so that the tree can be moved out, and the tree can be reused.
When the worker rotates the first clamping rod 9 in the positive direction, the first clamping rod 9 drives the screw rod 803 to rotate in the positive direction and move upwards through the rotating block 804, the screw rod 803 drives the third connecting rod 7 to move upwards through the rotating block 804, and then the arc-shaped holding rods 4 on the left side and the right side are opened. When the arc-shaped holding rod 4 is opened to a proper position, the worker stops rotating the rotating block 804. When the worker rotates the first clamping rod 9 in the opposite direction, the third connecting rod 7 moves downwards, the arc-shaped supporting rods 4 on the left side and the right side are folded inwards and clamp the saplings, and therefore the opening and closing of the arc-shaped supporting rods 4 can be well controlled.
After the tree seedling is blocked to pole 4 is held to the arc, staff positive direction rotation front and back both sides first screw rod 16 and second screw rod 18, second screw rod 18 drives second nut 15 and inwards moves to drive second clamping bar 12 and drive the inside side movement of rubber block 13, when rubber block 13 hugs closely the trunk, the staff stops rotating first screw rod 16 and second screw rod 18, so can block the tree seedling better, can strengthen and hold the dynamics, can further consolidate the tree seedling. When the invention needs to be moved out, the worker rotates the first screw 16 and the second screw 18 in opposite directions, so that the second nut 15 drives the second clamping rod 12 to move outwards, and the rubber block 13 leaves the trunk.
Initially, the second spring 20 is in tension. When the first rotating rod 3 rotates upward, the second spring 20 can assist in pulling the first rotating rod 3. When the arc-shaped holding rod 4 is opened to a proper position, under the action of the second spring 20, the arc-shaped holding rod 4 can always keep an open state, so that a worker is not required to continuously lift the rotating block 804, and the operation convenience can be improved. When the arc-shaped holding rod 4 is closed, the second spring 20 is stretched again.
After the first clamping bars 9 on the left side and the right side are outwards opened, the worker turns down the third rotating rod 21 and enables the pressing block 22 to abut against the first clamping bar 9 on the right side, so that the first clamping bar 9 can be always kept in a spreading state, the worker is not required to continuously pull open the first clamping bars 9, and the rotating block 804 can be conveniently rotated. When the first clamping rod 9 needs to clamp the rubber ring 10, the worker turns the third rotating rod 21 to reset and releases the first clamping rod 9.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.