CN111982565A - Forest ecosystem annual ring sample collection device - Google Patents

Abstract

The invention discloses a forest ecosystem tree ring sample collection device, including a sampling device. The sampling device includes: a casing with an opening on the left side; a telescopic rod with variable length and two in number, one of which is A telescopic rod is arranged on the top edge of the casing opening, and another telescopic rod is arranged on the bottom edge of the casing opening; an electric push-puller is arranged on the right side wall inside the casing; cutting discs, the number of which is There are two and the two cutting discs are distributed along the longitudinal direction; the cutting mechanism is used to cut the sample between the two cutting discs, the number of which is two, and each cutting mechanism is respectively arranged in one of the grooves, It is lifted and lowered by an electric lifter arranged at the bottom of the groove. In the present invention, the sampling device is fixed on the trunk by the fixing device, so that the sampling device collects the samples of the tree through multiple angles respectively, and finally the collected samples are spliced to obtain a sample with plane annual rings.

Description

A device for collecting tree ring samples of forest ecosystems

technical field

The invention relates to the field of collection devices, in particular to a collection device for tree ring samples of forest ecosystems.

Background technique

In the current sample collection of tree rings, a collection tube is usually used to take a certain amount of samples from the trunk of the tree. The trunk part is located in the sampling tube, and the sampling is completed once the trunk part in the sampling tube is taken out. The sample taken out in this way has the same shape as the sampling tube, which is a cylindrical shape. When the sample is being studied, the annual rings cannot be studied from the perspective of the plane, and the plane of the annual rings cannot be determined by splicing multiple samples with exactly the same shape. Therefore, such a sampling method has certain limitations for the study of forest ecosystem growth rings.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above-mentioned problems in the prior art, and to provide a forest ecosystem tree ring sample collection device. The sampling device is fixed on the tree trunk by the fixing device, so that the sampling device can collect the samples of the tree through multiple angles respectively. After collecting, and finally splicing the collected samples, a sample with plane annual rings can be obtained.

To this end, the present invention provides a forest ecosystem tree ring sample collection device, which includes a sampling device, and the sampling device includes: a casing with an opening on the left side; a telescopic rod, the length of which is variable and the number is two, One of the telescopic rods is arranged on the top edge of the casing opening, and the other telescopic rod is arranged on the bottom edge of the casing opening; the electric push-puller is arranged on the right side wall inside the casing; the cutting disc, There are two in number and the two cutting discs are distributed in the longitudinal direction. The upper and lower sides of each cutting disc are respectively provided with an annular first chute. The first sliding block is connected by a connecting rod, and the rod body of the connecting rod is connected to the front and rear side walls of the casing through a fixed rod with a variable length, and the two opposite first sliding blocks are respectively opposite to it. The telescopic rods are connected, and a groove is respectively provided on the opposite surfaces of the two cutting discs; the driving mechanism is used to drive the cutting disc to rotate, and is arranged on the electric push-puller; the cutting mechanism is used to cut two The number of samples between the cutting discs is two, and each cutting mechanism is respectively set in one of the grooves, which is lifted and lowered by the electric lifter set at the bottom of the groove; the operation panel, set On the casing, it is used to control the operation of the electric push-puller, the driving mechanism, the cutting mechanism and the electric lifter; the power supply device is used to supply the operation panel, the electric push-puller, the driving mechanism, the cutting mechanism and the electric lifter. The lifter provides electrical service.

Further, the driving mechanism includes: a first motor, which is arranged horizontally on the push-pull end of the electric push-pull, controlled by the operation panel, and a power supply device provides power supply services for it; a driving bevel gear, which is arranged vertically on the The inside of the casing is connected with the output shaft of the first motor by a key; the number of driven bevel gears is two and is respectively arranged on the upper and lower sides of the driving bevel gear, and each driven bevel gear is respectively Meshing with the driving bevel gear, the driven bevel gear at the upper end is connected with the telescopic rod above it, and the driven bevel gear at the lower end is connected with the telescopic rod below it; the number of gear teeth is several and They are evenly arranged along the circumferential direction of each of the cutting discs, and are meshed with the driven bevel gears.

Further, the thickness of the connecting end of the gear teeth and the cutting disc is greater than the thickness of the other end of the gear teeth.

Further, the free end of the telescopic rod is provided with a brush, and the brush head of the brush is located in the groove of the first chute.

Further, the cutting mechanism includes: a connecting block arranged on the lifting end of the electric lifter; a number of connecting rods, which are uniformly arranged in sequence along the circumferential direction of the side surface of the connecting block; cutting blades , the number of which is equal to the number of the connecting rods, and each cutting blade is respectively connected with one of the connecting rods through a cutting driver.

Furthermore, the cutting pieces located above and the cutting pieces located below are relatively staggered.

Furthermore, a support plate is provided above the connection block, the support plate and the connection block are connected by a spring, and a gap is provided between the support plate and the groove wall of the groove.

Further, a fixing device is also included. The fixing device is used to fix the sampling device. The fixing device includes: two circular rings, which are longitudinally distributed in the vertical direction, and each circular ring includes two mutual An independent half ring, one end of the two half rings is hinged, and the other end is attracted and connected by a magnet; a fastening device is arranged on the inner side of the ring to fix the position of the ring and the tree; the second The chute, the number of which is two arc-shaped chute, is respectively opened on the two upper and lower faces of the ring; the second slider is slidably connected to one of the second chute respectively, The other end is connected with the housing.

Further, the two upper and lower rings are connected by a connecting body.

Further, the casing is provided with a stamp box.

The device for collecting annual ring samples of forest ecosystems provided by the present invention has the following beneficial effects:

1. Fix the sampling device on the tree trunk by the fixing device, so that the sampling device collects the samples of the tree from multiple angles, and finally splices the collected samples to obtain a sample with plane annual rings;

2. When taking out the sample, use the seal to cover the sample with the label stamp in turn, so that when splicing the sample, the researchers can directly splicing according to the label of the labeling stamp on the sample, saving splicing time, making sample collection more convenient.

Description of drawings

Fig. 1 is the structural representation of the fixing device of the present invention;

Fig. 2 is the structural representation of the sampling device of the present invention;

3 is a schematic top view of the structure of the cutting disc of the present invention;

FIG. 4 is a schematic cross-sectional view of the structure of the cutting disc of the present invention.

Description of reference numbers:

1. Magnet; 2. Second chute; 3. Connecting body; 4. Ring; 5. Operation panel; 6. Electric push-pull; 7. First motor; 8. Second slider; 9. Telescopic rod; 10, brush; 11, cutting disc; 12, stamp box; 13, housing; 14, driving bevel gear; 15, driven bevel gear; 16, connecting body; 17, first chute; 18, first slide block; 19, gear teeth; 20, gap; 21, cutting piece; 22, electric lifter; 23, connecting rod; 24, connecting block; 25, supporting plate; 26, spring; 27, groove.

Detailed ways

A specific embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

In this application document, the component models and structures that are not specified are the prior art known to those skilled in the art, and those skilled in the art can set it according to the needs of the actual situation. No specific restrictions are made.

Specifically, as shown in FIGS. 1-4 , an embodiment of the present invention provides a forest ecosystem tree ring sample collection device, including a sampling device, and the sampling device includes: a casing 13 , a telescopic rod 9 , and an electric push-pull 6 , cutting disc 11, drive mechanism, cutting mechanism, operation panel 5 and power supply device. The left side of the casing 13 is provided with an opening. The length of the telescopic rods 9 is variable and there are two in number, one telescopic rod 9 is arranged on the top edge of the opening of the casing 13 , and the other telescopic rod 9 is arranged on the bottom edge of the opening of the casing 13 . The electric push-pull 6 is arranged on the right side wall inside the casing 13 . There are two cutting discs 11 and the two cutting discs 11 are distributed along the longitudinal direction. The upper and lower sides of each cutting disc 11 are respectively provided with an annular first chute 18 . The slider 17, the two opposite first sliders 17 are connected by a connecting rod 16, and the connecting rod 16 can support the upper and lower cutting discs 11 so that the relative distance between the upper and lower cutting discs 11 is always at a fixed distance. Numerical value, the rod body of the connecting rod 16 is connected to the front and rear side walls of the housing 13 through a fixed rod with a variable length, and the two opposite first sliders 17 are respectively connected to the opposite telescopic rods 9 , a groove 27 is respectively provided on the opposite surfaces of the two cutting discs 11 . The driving mechanism is used to drive the cutting disc 11 to rotate, and is provided on the electric push-pull 6 . The cutting mechanism is used to cut the samples between the two cutting discs 11 , and there are two in number, and each cutting mechanism is respectively arranged in one of the grooves 27 , which passes through the grooves arranged at the bottom of the grooves 27 . The electric lifter 22 moves up and down. The operation panel 5 is arranged on the housing 13 and is used to control the operation of the electric push-puller 6 , the driving mechanism, the cutting mechanism and the electric lifter 22 . The power supply device is used to provide power supply services to the operation panel 5 , the electric push-pull device 6 , the driving mechanism, the cutting mechanism and the electric lifter 22 .

In the above technical solution, when collecting samples from the tree trunk, the sample collection personnel hold the casing 13 and face the opening of the casing 13 to the tree trunk. The driving mechanism, the cutting mechanism and the work of the electric lifter 22 are controlled. When the opening of the casing 13 is facing the tree trunk, the operation panel 5 is used as the driving mechanism at this time, and the electric push-puller 6 is activated at the same time to make the electric push-pull The device 6 is stretched, so that under the stretching action of the electric push-pull device 6, the propelling and rotating cutting disc 11 can be cut to the inside of the trunk. At the same time, since the cutting disc 11 is arranged on the upper and lower sides, the After the cutting disc 11 reaches the set position, the sample collector controls the electric lifter 22 to lift through the operation panel 5, and at the same time makes the cutting mechanism cut, so that the cutting mechanism can move the upper and lower cutting discs. The tree trunk samples between 11 and 11 are cut in the longitudinal direction, so that the tree trunk can be completely cut out, and the cut tree trunk is located within the surrounding range of the cutting structure, so that after the cutting mechanism has cut the tree trunk samples, When the sample collector pulls out the casing 13, the trunk sample between the cutting disc 11 and the cutting mechanism will be pulled out, and the cutting mechanism and the driving mechanism will stop rotating through the control panel 5, and the electric pusher 6 and the electric puller will be stopped. The lifter 22 is restored to its original position, so that the collected sample can be poured out of the housing 13 by pouring out. The display of the annual rings makes it very convenient for researchers to hold it in their hands or put it on the research table for research, and the shape of the column will not make it difficult for researchers to study. time to move.

At the same time, through the above operations, the samples of the trunk are collected from different angles of the same position of the trunk, so that the samples can be spliced according to the shape of each sample and the angle of collection, and the complete annual rings can be obtained. This makes it more convenient to study the annual rings, so that researchers can observe the trend and distribution of the annual rings from an intuitive perspective.

In this embodiment, the driving mechanism includes: a first motor 7 , a driving bevel gear 14 , a driven bevel gear 15 , a driven bevel gear 15 and gear teeth 19 . Wherein, the first motor 7 is arranged laterally on the push-pull end of the electric push-pull device 6, and is controlled by the operation panel 5, and the power supply device provides power supply service for it. The driving bevel gear 14 is longitudinally arranged inside the casing 13 , and is connected with the output shaft of the first motor 7 through a key. The number of the driven bevel gears 15 is two, and they are arranged on the upper and lower sides of the driving bevel gear 14 respectively. Each driven bevel gear 15 is meshed with the driving bevel gear 14 respectively. 15 is connected with the telescopic rod 9 above it, and the driven bevel gear 15 at the lower end is connected with the telescopic rod 9 below it. The number of gear teeth 19 is several and uniformly arranged along the circumferential direction of each of the cutting discs 11 , and meshes with the driven bevel gear 15 .

In the above technical solution, when the driving mechanism is started, that is, the driving mechanism starts to work, by making the first motor 7 work, when the first motor 7 is working, the output shaft of the first motor 7 rotates, so that the driving cone The gear 14 rotates, so that the upper and lower driven bevel gears 15 rotate. Due to the setting of the gear teeth 19, the cutting disc 11 will rotate with the rotation of the driven bevel gear 15, thereby realizing the cutting of the tree trunk. The gear teeth 19 should be able to function as saw teeth, so that when cutting, it is more rapid.

Meanwhile, in this embodiment, the thickness of the connecting end of the gear teeth 19 and the cutting disc 11 is greater than the thickness of the other end of the gear teeth 19 . In this way, it can be said that one end of the gear teeth 19 has to be pointed, which will make it easier to cut the tree trunk.

In this embodiment, the free end of the telescopic rod 9 is provided with a brush 10 , and the brush head of the brush 10 is located in the groove of the first chute 18 . The brush 10 will clean the wood chips generated by cutting and fall in the groove of the first chute 18, so that when the first slider slides on the first chute 18, the phenomenon of blocking and the like will not occur periodically, so that the cutting disc 11 When turning, the speed of turning can be guaranteed, thereby improving the efficiency of cutting tree trunks.

In this embodiment, the cutting mechanism includes: a connecting block 24 , a connecting rod 23 and a cutting blade 21 . Wherein, the connecting block 24 is arranged on the lifting end of the electric lifter 22 . There are several connecting rods 23 , and they are uniformly arranged in sequence along the circumferential direction of the side surface of the connecting block 24 . The number of the cutting pieces 21 is equal to the number of the connecting rods 23 , and each cutting piece 21 is connected to one of the connecting rods 23 through a cutting driver respectively.

When the cutting mechanism is made to work, the cutting driver is made to work, and the cutting driver makes the cutting piece 21 to cut. In this embodiment, due to the even distribution of the connecting rods 23, the two adjacent cutting pieces 21 are also evenly distributed. distribution, so that when cutting, the tree trunk can be cut by means of divisions, so that the cut samples are located in the interior surrounded by the cutting pieces 23. In the embodiment of the present invention, two adjacent cutting pieces 23 are mutually touch.

Meanwhile, in this embodiment, the cutting pieces 21 located above and the cutting pieces 21 located below are relatively staggered. In this way, through the cutting blades 21 staggered up and down, the cutting can be performed like scissors when cutting, so that the cutting is more rapid and the cutting effect is better.

Meanwhile, in this embodiment, a support plate 26 is provided above the connection block 24 , the support plate 26 is connected with the connection block 24 by a spring 26 , and the support plate 26 is connected to the groove wall of the groove 27 . A gap 20 is provided therebetween.

In the above technical solution, the spring 26 generates a relative thrust to the sample of the trunk when cutting, so that the upper and lower support plates 25 clamp the sample of the trunk in the middle, so that the position of the sample of the trunk can be relatively fixed. When cutting, the cutting position is more precise.

In this embodiment, a fixing device is further included. The fixing device is used to fix the sampling device. The fixing device includes: a ring 4 , a fastening device, a second chute 2 and a second sliding block 8 . Among them, the number of the rings 4 is two and the longitudinal distribution is in the vertical direction. Each ring 4 includes two semi-circles that are independent of each other. One end of the two semi-circles is hinged, and the other end passes through the magnet 1 Suck and connect. A fastening device is arranged on the inner side of the ring 4 to fix the position of the ring and the tree. The number of the second chute 2 is two arc-shaped chute, which are respectively opened on the upper and lower opposite surfaces of the ring 4 . The second sliding blocks 8 are respectively slidably connected to one of the second sliding grooves 2 , and the other end is connected to the housing 13 .

In the above technical solution, the upper and lower two rings 4 are set on the trunk to be sampled, the casing 13 is slid between the two rings 4, and at the same time, the two rings are fixed on the tree by the fastening device. The set position on the tree trunk, at this time, by sliding the housing 13 between the two rings 4, the angle at which the housing 13 collects the sample can be adjusted. In this way, through multiple collections, the tree trunk at multiple angles can be obtained. sample.

In this embodiment, the fastening device can use a length-adjustable and position-limited telescopic rod and an extrusion block, and one end of the length-adjustable and position-limited telescopic rod is connected to the extrusion block, and the other end is connected to the ring 4 At the same time, we call the above-mentioned telescopic rod and extrusion block as a push-tightening mechanism, there are multiple push-tightening mechanisms, and they are evenly arranged on the inner ring wall of the ring 4 .

Meanwhile, in this embodiment, the two upper and lower rings 4 are connected by a connecting body 3 . In this way, the distance between the two adjacent upper and lower rings 4 can be fixed during use. When using the fastening device, the fastening device only needs to fix one of the rings 4. Therefore, the cost of production is saved, and the operation is also very convenient.

In this embodiment, the casing 13 is provided with a stamp box 12 . In this way, the stamp with the label can be placed in the stamp box 12, so that each time a sample of a tree trunk is obtained, the stamp in the stamp box 12 can be used to seal the sample according to the obtained time sequence, so that When splicing multiple samples, it is easier to splicing because the acquisition time of the samples is known.

The above disclosures are only a few specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a forest ecosystem annual ring sample collection system which characterized in that, includes sampling device, sampling device includes:

a housing (13) having an opening formed in the left side thereof;

the telescopic rods (9) are variable in length and two in number, one telescopic rod (9) is arranged at the top edge of the opening of the shell (13), and the other telescopic rod (9) is arranged at the bottom edge of the opening of the shell (13);

the electric push-pull device (6) is arranged on the right side wall inside the shell (13);

the cutting device comprises two cutting discs (11), wherein the two cutting discs (11) are distributed along the longitudinal direction, the upper side and the lower side of each cutting disc (11) are respectively provided with an annular first sliding chute (18), the first sliding chute (18) is connected with a first sliding block (17) in a sliding manner, the two opposite first sliding blocks (17) are connected through a connecting rod (16), the rod body of the connecting rod (16) is connected to the front side wall and the rear side wall of the shell (13) through a fixed rod with variable length, the two first sliding blocks (17) which are opposite to each other are respectively connected with the telescopic rods (9) which are opposite to the first sliding blocks, and the opposite surfaces of the two cutting discs (11) are respectively provided with a groove (27);

the driving mechanism is used for driving the cutting disc (11) to rotate and is arranged on the electric push-pull device (6);

the number of the cutting mechanisms is two, each cutting mechanism is arranged in one groove (27), and the cutting mechanisms are lifted through an electric lifter (22) arranged at the bottom of each groove (27);

the operation panel (5) is arranged on the shell (13) and is used for controlling the work of the electric push-pull device (6), the driving mechanism, the cutting mechanism and the electric lifter (22);

and the power supply device is used for providing power supply service for the operation panel (5), the electric push-pull device (6), the driving mechanism, the cutting mechanism and the electric lifter (22).

2. A forest ecosystem annual ring sample collection device as claimed in claim 1, wherein the drive mechanism comprises:

the first motor (7) is transversely arranged at the push-pull end of the electric push-pull device (6) and is controlled by the operation panel (5), and a power supply device provides power supply service for the first motor;

a drive bevel gear (14) which is longitudinally arranged inside the shell (13) and is in key connection with the output shaft of the first motor (7);

the number of the driven bevel gears (15) is two, the two driven bevel gears are respectively arranged on the upper side and the lower side of the driving bevel gear (14), each driven bevel gear (15) is respectively meshed with the driving bevel gear (14), the driven bevel gear (15) positioned at the upper end is connected with the telescopic rod (9) positioned above the driven bevel gear, and the driven bevel gear (15) positioned at the lower end is connected with the telescopic rod (9) positioned below the driven bevel gear;

and a plurality of gear teeth (19) are uniformly arranged along the circumferential direction of each cutting disc (11) and are meshed with the driven bevel gear (15).

3. A forest ecosystem annual ring sample collection device as claimed in claim 2, wherein the thickness of the end of the gear teeth (19) connected to the cutting disc (11) is greater than the thickness of the other end of the gear teeth (19).

4. A forest ecosystem annual ring sample collection device as claimed in claim 1, wherein the free end of the telescopic rod (9) is provided with a brush (10), and a brush head of the brush (10) is located in a groove of the first chute (18).

5. A forest ecosystem annual ring sample collection device as claimed in claim 1, wherein the cutting mechanism comprises:

the connecting block (24) is arranged at the lifting end of the electric lifter (22);

a plurality of connecting rods (23) are arranged in sequence and uniformly along the circumferential direction of the side surface of the connecting block (24);

the number of the cutting pieces (21) is equal to that of the connecting rods (23), and each cutting piece (21) is connected with one connecting rod (23) through one cutting driver.

6. A forest ecosystem annual ring sample collection device as claimed in claim 5, wherein the cut pieces (21) located above are staggered relative to the cut pieces (21) located below.

7. A forest ecosystem annual ring sample collection device as claimed in claim 5, wherein a support plate (26) is arranged above the connection block (24), the support plate (26) is connected with the connection block (24) through a spring (26), and a gap (20) is arranged between the support plate (26) and the groove wall of the groove (27).

8. A forest ecosystem annual ring sample collection device as claimed in claim 1, further comprising a fixing device for fixing the sampling device, the fixing device comprising:

the two circular rings (4) are longitudinally distributed in the vertical direction, each circular ring (4) comprises two mutually independent semicircular rings, one ends of the two semicircular rings are hinged, and the other ends of the two semicircular rings are attracted and connected through the magnets (1);

the fastening device is arranged on the inner side surface of the circular ring (4) and used for fixing the circular ring and the tree;

the number of the second sliding chutes (2) is two and arc-shaped sliding chutes which are respectively arranged on two opposite surfaces of the circular ring (4);

and the second sliding blocks (8) are respectively connected to the second sliding grooves (2) in a sliding manner, and the other ends of the second sliding blocks are connected with the shell (13).

9. A forest ecosystem annual ring sample collection device as claimed in claim 8, wherein the upper and lower rings (4) are connected by a connector (3).

10. A forest ecosystem annual ring sample collection device as claimed in claim 1, wherein a stamp box (12) is provided on the housing (13).

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