CN112664798A

CN112664798A - Agricultural information collection system and method

Info

Publication number: CN112664798A
Application number: CN202011570483.0A
Authority: CN
Inventors: 庄佳敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2021-04-16
Also published as: CN110630873B; CN110630873A

Abstract

The invention discloses an agricultural information collection system and method, the structure of which comprises a solar power generation board, a multi-azimuth camera device, a wireless receiver, a main control machine body, crawler wheels, a chassis, a positioning pile and an electric push rod, and the agricultural information collection system has the following effects: according to the invention, remote control is realized on the basis of the Internet of things technology, the crawler wheels arranged on two sides of the chassis enable the multi-directional camera device to have the capability of acting in the field, the positioning piles are arranged on two ends of the chassis and can move downwards in a straight line under the driving of the electric push rod straight line execution mechanism and are inserted into the soil, so that the stability of the chassis in a static state is realized, the recording quality of the camera is improved, the camera can be flexibly steered through the multi-directional camera device and has the capability of sliding in a straight line displacement which is stable up and down, the camera can stably record agricultural scientific and technological operation and crop production conditions in multiple directions, and the difficulty in recording the agricultural scientific and technological operation and the crop production conditions is greatly reduced.

Description

Agricultural information collection system and method

The invention is a divisional application of information collection equipment for agricultural technology popularization, which is invented on the application date of 2019, 9 and 26 and has the application number of CN 201910916736.6.

Technical Field

The invention relates to the technical field of modern agriculture, in particular to information collecting equipment for agricultural technology popularization.

Background

China is a big agricultural country, 21% of people in the world are cultivated and live in 7% of land in the world, so that the popularization of agricultural technology plays a very important role in agricultural production, rural areas in China are restricted by conditions such as geographical positions, humanity, natural environments and the like, the economic condition difference is large, the infrastructure construction is unbalanced, farmers in remote areas are poor in information acquisition channels, lack of agricultural technology guidance and difficult in yield increase; the information communication between the regional small market and the large market is not smooth, so that the income of farmers is difficult to increase; agricultural education, production, circulation and service systems are not coordinated, the quality of products is difficult to improve, information becomes an important production element at the present stage that agricultural efficiency and farmer income increase are more and more restricted by resources and markets, farmers have deep knowledge about the information, the information is thought, door way and financial way, only by further strengthening agricultural information service, the article of agricultural income increase can be made sufficient, the agricultural product structure is more reasonable, agricultural products are suitable for sale and right way, in the popularization of agricultural technology, workers need to record agricultural scientific and technological operation and crop production conditions by using a camera, but long-time hand-held camera is too tired to record when walking in the field, and the worker can shake in the process of recording the camera, so that the definition of recorded videos is greatly reduced, and when different crops and different agricultural scientific and technological operations are recorded, need adjust the height that the camera recorded, make the staff of handheld camera need bend over for a long time and fix a shape or squat down, greatly increased the degree of difficulty of recording, consequently, need develop a novel information collecting equipment for agricultural technology popularization, solve in agricultural technology popularization with this, the staff need record the production condition of agricultural science and technology operation and crop with the camera, but long-time handheld camera is walked in the field and is recorded too tiredly, and the in-process that the staff hand-held camera recorded can take place to rock, cause the video definition greatly reduced who records, and record different crops and different agricultural science and technology operations, need adjust the height that the camera recorded, make the staff of handheld camera need bend over for a long time and fix a shape or squat down, greatly increased records the problem of the degree of difficulty.

Summary of the invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: an information collecting device for agricultural technology popularization structurally comprises a solar power generation plate, a multi-azimuth camera device, a wireless receiver, a main control body, crawler wheels, a chassis, positioning piles and an electric push rod, wherein the electric push rod is arranged at the front end and the rear end of the chassis, the electric push rod is vertically arranged on the chassis, the head end of the electric push rod faces downwards, the positioning piles are arranged below the electric push rod and connected with the head end of the electric push rod, the crawler wheels are arranged at the two sides of the chassis, the main control body is arranged at the central position of the top of the chassis and vertically arranged on the chassis, the wireless receiver is arranged at the front end of the main control body and electrically connected with the main control body, the multi-azimuth camera device is arranged at the central position of the top of the main control body, the solar power generation plate is arranged at the top end of the multi, the solar power generation panel is electrically connected with the multi-azimuth camera device, and the solar power generation panel is electrically connected with the main control machine body.

As a further optimization of the technical scheme, the multi-azimuth camera device is composed of a limiting sliding frame, a camera and a multi-azimuth shooting mechanism, the limiting sliding frame is provided with the multi-azimuth shooting mechanism, the multi-azimuth shooting mechanism is matched with the limiting sliding frame, and the outer ring of the multi-azimuth shooting mechanism is provided with the camera.

As the further optimization of this technical scheme, spacing balladeur train constitute by center pillar, branch, grooved bar, slide rail, spout, center pillar install perpendicularly at main control organism top, center pillar top be connected with solar panel, the center pillar outer lane on be equipped with the grooved bar, grooved bar and center pillar be parallel to each other, grooved bar and center pillar between be equipped with branch, grooved bar and center pillar pass through branch and connect, grooved bar both sides be equipped with slide rail and spout respectively.

As the further optimization of this technical scheme, diversified camera mechanism constitute by solid fixed ring of outer camera, interior drive support, location slide bar, initiative slide bar, first drive wheel, the solid fixed ring of outer camera central point put and be equipped with interior drive support, the solid fixed ring of outer camera and interior drive support between be equipped with the location slide bar, location slide bar one end and interior drive support outer lane adopt sliding fit, the location slide bar other end and the solid fixed ring of outer camera inner circle adopt interference fit, the solid fixed ring of outer camera and interior drive support between be equipped with the initiative slide bar, initiative slide bar one end be equipped with first drive wheel, the initiative slide bar cooperate through first drive wheel and interior drive support outer lane, the solid fixed ring of initiative slide bar other end and outer camera adopt interference fit.

As a further optimization of the technical scheme, the inner driving support is composed of an outer sliding groove, an inner driving ring, a grooved bar sleeve frame, a sliding block and a second driving wheel, the outer sliding groove is formed in the outer ring of the inner driving ring, the outer sliding groove is in sliding fit with the positioning sliding rod, the grooved bar sleeve frame is arranged on the inner ring of the inner driving ring, the grooved bar sleeve frame is matched with the grooved bars, the second driving wheel and the sliding block are arranged inside the grooved bar sleeve frame from left to right, the second driving wheel is matched with the sliding rail, and the sliding block is in sliding fit with the sliding groove.

Advantageous effects

The information collecting device for agricultural technology popularization, provided by the invention, has the advantages of reasonable design and strong functionality, and has the following beneficial effects:

according to the invention, remote control is realized on the basis of the Internet of things technology, the crawler wheels arranged on two sides of the chassis enable the multi-directional camera shooting device to have the capability of acting in the field, the positioning piles are arranged on two ends of the chassis and can move downwards in a straight line under the driving of the straight line execution mechanism arranged at the head end of the electric push rod and are inserted into the soil, so that the stability of the chassis in a static state is realized, the recording quality of the camera is improved, the camera can flexibly turn by 360 degrees through the multi-directional camera shooting device and has the capability of vertically stable straight line displacement and sliding, the camera can stably record agricultural scientific and technical operation and crop production conditions in multiple directions, and the difficulty in recording the agricultural scientific and technical operation and the crop production conditions is greatly reduced;

the invention is characterized in that a positioning slide bar is arranged between an outer camera fixing ring and an inner driving bracket, the section of the outer slide groove is of a T-shaped structure, the outer slide groove and a slide block with the head end of the positioning slide bar are in sliding fit, the outer camera fixing ring can be prevented from falling off from the inner driving bracket through the fit between the outer slide groove and the positioning slide bar, because two driving slide bars are arranged between the outer camera fixing ring and the inner driving bracket in an axial symmetry structure, the head end of each driving slide bar is provided with a first driving wheel which is transversely arranged, because the first driving wheel generates driving torque through a direct drive motor, on the basis of the fit between the outer slide groove and the positioning slide bar, the driving torque generated by the motor can enable the first driving wheel to rotate, and the torque generated by the first driving wheel drives the outer camera fixing ring to rotate along the outer slide groove arranged on the outer ring of the inner driving bracket, the camera rotates according to the lead of the rotation of the outer camera fixing ring, so that the camera can flexibly turn by 360 degrees.

The inner ring of the inner driving ring is provided with four grooved bar sleeve frames, each grooved bar sleeve frame is matched with each grooved bar, a second driving wheel and a sliding block are arranged inside each grooved bar sleeve frame from left to right, the second driving wheel is matched with the sliding rail, the sliding block is in a T-shaped structure and is matched with the sliding groove in a T-shaped structure, the inner driving support can be prevented from falling off the grooved bars, and the second driving wheel generates driving torque through a direct drive motor and is longitudinally arranged, so that the driving torque generated by the motor can enable the second driving wheel to linearly move up and down along the sliding rail on the basis of matching of the sliding block and the sliding groove, and the camera can stably linearly displace and slide up and down.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic front view of an information collecting apparatus for agricultural technology promotion according to the present invention;

FIG. 2 is a schematic diagram of a front view of the multi-directional camera device of the present invention;

FIG. 3 is a front view of the spacing carriage of the present invention;

FIG. 4 is a schematic top view of the multi-azimuth photographing mechanism according to the present invention;

FIG. 5 is a schematic top view of the inner driving bracket of the present invention.

In the figure: the device comprises a solar power generation panel-1, a multi-azimuth camera device-2, a limiting sliding frame-21, a central support column-21 a, a support rod-21 b, a slot rod-21 c, a slide rail-21 e, a slide slot-21 f, a camera-22, a multi-azimuth camera mechanism-23, an outer camera fixing ring-23 a, an inner driving support-23 b, a positioning slide rod-23 c, an outer slide slot-23 c1, an inner driving ring-23 c2, a slot rod sleeve frame-23 c3, a slide block-23 c4, a second driving wheel-23 c5, an active slide rod-23 e, a first driving wheel-23 f, a wireless receiver-3, a main control machine body-4, a crawler wheel-5, a chassis-6, a positioning pile-7 and an electric push rod-8.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1 to 5, the present invention provides an embodiment of an information collecting apparatus for agricultural technology promotion, including:

referring to fig. 1, an information collecting apparatus for agricultural technology popularization includes a solar panel 1, a multi-directional camera 2, a wireless receiver 3, a main control body 4, crawler wheels 5, a chassis 6, a positioning pile 7, and an electric push rod 8, wherein the electric push rod 8 is disposed at the front and rear ends of the chassis 6, the electric push rod 8 is vertically mounted on the chassis 6, the head end of the electric push rod is disposed downward, the positioning pile 7 is disposed below the electric push rod 8, the positioning pile 7 is connected with the head end of the electric push rod 8, a linear actuator of the electric push rod 8 is controlled to drive the positioning pile 7 to move downward to insert the positioning pile 7 into soil, so that the stability of the chassis 6 is realized when the chassis 6 is stationary, the recording quality of a video camera 22 is improved, the crawler wheels 5 are disposed at the two sides of the chassis 6, and the crawler wheels 5 generate a driving torque through a motor, drive chassis 6 and go forward in the field, the central point at 6 tops on chassis put and be equipped with main control organism 4, main control organism 4 install perpendicularly on

chassis

6, 4 front ends of main control organism be equipped with wireless receiver 3,

wireless receiver

3 and 4 electricity connections of main control organism, the central point at 4 tops of main control organism put and be equipped with diversified

camera device

2, 2 tops of diversified camera device be equipped with solar panel 1, solar panel 1 and diversified camera device 2 electricity connect,

solar panel

1 and 4 electricity connections of main control organism.

Referring to fig. 2, the multi-directional image capturing apparatus 2 comprises a position-limiting carriage 21, a camera 22, and a multi-directional image capturing mechanism 23, wherein the position-limiting carriage 21 is provided with the multi-directional image capturing mechanism 23, the multi-directional image capturing mechanism 23 is matched with the position-limiting carriage 21, and the outer ring of the multi-directional image capturing mechanism 23 is provided with the camera 22.

Referring to fig. 3, the position-limiting sliding frame 21 is composed of a central pillar 21a, a supporting rod 21b, a slot rod 21c, a sliding rail 21e, and a sliding slot 21f, the central support 21a is vertically arranged on the top of the main control machine body 4, the top end of the central support 21a is connected with the solar power generation panel 1, four groove rods 21c are uniformly arranged on the outer ring of the central support 21a at equal intervals, the groove rods 21c are parallel to the central support 21a, the groove rods 21c surround the central support 21a to form a circular wall structure, three support rods 21b are arranged between the slotted rod 21c and the central support 21a in parallel and at equal intervals, the groove rod 21c is connected with the central support 21a through a support rod 21b, two sides of the groove rod 21c are respectively provided with a slide rail 21e and a slide groove 21f, the surface of the slide rail 21e is provided with an anti-skid glue layer, and the slide groove 21f is of a T-shaped structure and is integrated with the groove rod 21 c.

Referring to fig. 4, the multi-directional photographing mechanism 23 comprises an outer camera fixing ring 23a, an inner driving support 23b, positioning slide bars 23c, driving slide bars 23e, and a first driving wheel 23f, wherein the inner driving support 23b is disposed at the center position of the inner ring of the outer camera fixing ring 23a, four positioning slide bars 23c are uniformly disposed between the outer camera fixing ring 23a and the inner driving support 23b at equal intervals, one end of each positioning slide bar 23c is in sliding fit with the outer ring of the inner driving support 23b, the other end of each positioning slide bar 23c is in interference fit with the inner ring of the outer camera fixing ring 23a, two driving slide bars 23e are disposed between the outer fixing ring camera 23a and the inner driving support 23b in an axial symmetry structure, one end of each driving slide bar 23e is provided with the first driving wheel 23f, the first driving wheel 23f generates a driving torque through a direct drive motor, and the first driving wheel 23f is transversely arranged, the driving slide bar 23e is matched with the outer ring of the inner driving bracket 23b through the first driving wheel 23f, and the other end of the driving slide bar 23e is in interference fit with the inner ring of the outer camera fixing ring 23 a.

Referring to fig. 5, the inner driving bracket 23b is composed of an outer sliding groove 23c1, an inner driving ring 23c2, a slotted link frame 23c3, a sliding block 23c4 and a second driving wheel 23c5, an outer sliding groove 23c1 is arranged on an outer ring of the inner driving ring 23c2, the outer sliding groove 23c1 is of a T-shaped cross section and is integrated with the inner driving ring 23c2, the outer sliding groove 23c1 is in sliding fit with the sliding block of the T-shaped head end of the positioning sliding rod 23c, four slotted link frames 23c3 are uniformly arranged on an inner ring of the inner driving ring 23c2 at equal intervals, the slotted link frames 23c3 are matched with the slotted link 21c, a second driving wheel 23c5 and a sliding block 23c4 are arranged inside the slotted link frame 23c3 from left to right, the second driving wheel 23c5 generates driving torque by a direct drive motor, the second driving wheel 23c5 is arranged in a longitudinal direction, and a glue preventing layer is arranged on a surface, the second driving wheel 23c5 is matched with the slide rail 21e, and the sliding block 23c4 is in a T-shaped structure and is in sliding fit with the sliding groove 21 f.

The specific realization principle is as follows:

realize remote control on the basis of the internet of things technology, utilize the crawler wheels 5 arranged on the two sides of the chassis 6 to enable the multi-azimuth camera device 2 to have the capability of acting in the field, the positioning piles 7 are arranged on the two ends of the chassis 6, the positioning piles 7 can move downwards in a straight line under the driving of the straight line executing mechanism arranged at the head end of the electric push rod 8 and are inserted into the soil, thereby realizing the stability degree of the chassis 6 when the chassis 6 is static, improving the recording quality of the camera 22, enabling the camera 22 to flexibly turn for 360 degrees through the multi-azimuth camera device 2 and having the capability of sliding along the straight line displacement which is stable up and down, further realizing that the camera 22 can stably record the agricultural scientific and technical operation and the production condition of crops in multiple directions, greatly reducing the difficulty of recording the agricultural scientific and technical operation and the production condition of crops, because the positioning slide rod 23c is, the section of the outer chute 23c1 is a T-shaped structure, the outer chute 23c1 and the T-shaped slider at the head end of the positioning slide bar 23c are in sliding fit, two driving slide bars 23e are arranged between the outer camera fixing ring 23a and the inner driving support 23b in an axisymmetric structure through the fit between the outer chute 23c1 and the positioning slide bar 23c, a first driving wheel 23f is arranged at the head end of the driving slide bar 23e, and the first driving wheel 23f is transversely arranged, because the first driving wheel 23f generates driving torque through a direct drive motor, on the basis of the fit between the outer chute 23c1 and the positioning slide bar 23c, the driving torque generated by the motor can enable the first driving wheel 23f to rotate, and the torque generated by the first driving wheel 23f drives the outer camera fixing ring 23a to rotate along the outer chute 23c1 arranged at the outer ring of the inner driving support 23b, because the camera 22 is installed on the outer ring of the outer camera fixing ring 23a, the camera 22 will rotate according to the rotation lead of the outer camera fixing ring 23a, thereby enabling the camera 22 to flexibly turn by 360 degrees, because the inner driving ring 23c2 is provided with four slot bar sleeve frames 23c3 on the inner ring, each slot bar sleeve frame 23c3 is matched with each slot bar 21c, a second driving wheel 23c5 and a sliding block 23c4 are arranged from left to right inside the slot bar sleeve frame 23c3, the second driving wheel 23c5 is matched with the sliding rail 21e, the sliding block 23c4 is in a T-shaped structure and is matched with the sliding rail 21f in a T-shaped structure, thereby being capable of preventing the inner driving bracket 23b from falling off the slot bar 21c, because the second driving wheel 23c5 generates driving torque by a direct drive motor and is arranged longitudinally, therefore, on the basis of the matching of the sliding block 23c4 and the sliding rail 21f, the driving torque generated by the motor can enable the second driving wheel 23c5 to linearly move up and, thereby make camera 22 can carry out stable linear displacement from top to bottom and slide, solve with this in the agricultural technology popularization, the staff need record the production condition of agricultural scientific and technological operation and crop with the camera, but long-time handheld camera is recorded too tiredly in the field walking, and the in-process that the staff handheld camera recorded can take place to rock, cause the video definition greatly reduced who records, and when recording different crops and different agricultural scientific and technological operations, need adjust the height that the camera recorded, make the staff of handheld camera need bend over for a long time and fix a shape or squat down, greatly increased records the problem of the degree of difficulty.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an information collection equipment is used in agricultural technology popularization, its structure includes solar panel (1), diversified camera device (2), wireless receiver (3), main control organism (4), athey wheel (5), chassis (6), spud (7), electric putter (8), its characterized in that:

electric push rods (8) are arranged at the front end and the rear end of the chassis (6), positioning piles (7) are arranged below the electric push rods (8), crawler wheels (5) are arranged on two sides of the chassis (6), a main control body (4) is arranged at the top of the chassis (6), a wireless receiver (3) is arranged at the front end of the main control body (4), a multi-azimuth camera device (2) is arranged at the top of the main control body (4), and a solar power generation panel (1) is arranged at the top end of the multi-azimuth camera device (2);

the multi-azimuth shooting device (2) is composed of a limiting sliding frame (21), a camera (22) and a multi-azimuth shooting mechanism (23), the limiting sliding frame (21) is provided with the multi-azimuth shooting mechanism (23), and the outer ring of the multi-azimuth shooting mechanism (23) is provided with the camera (22).

2. The agricultural information collection system and method according to claim 1, wherein: spacing balladeur train (21) constitute by center pillar (21a), branch (21b), groove pole (21c), slide rail (21e), spout (21f), center pillar (21a) outer lane on be equipped with groove pole (21c), groove pole (21c) and center pillar (21a) between be equipped with branch (21b), groove pole (21c) both sides be equipped with slide rail (21e) and spout (21f) respectively.

3. The agricultural information collection system and method according to claim 1, wherein: multidirectional photographic mechanism (23) constitute by outer camera fixed ring (23a), interior drive support (23b), location slide bar (23c), initiative slide bar (23e), first drive wheel (23f), outer camera fixed ring (23a) inner circle be equipped with interior drive support (23b), outer camera fixed ring (23a) and interior drive support (23b) between be equipped with location slide bar (23c), outer camera fixed ring (23a) and interior drive support (23b) between be equipped with initiative slide bar (23e), initiative slide bar (23e) one end be equipped with first drive wheel (23 f).

4. The agricultural information collection system and method according to claim 3, wherein: the inner driving support (23b) consists of an outer sliding groove (23c1), an inner driving ring (23c2), a grooved bar sleeve frame (23c3), a sliding block (23c4) and a second driving wheel (23c5), wherein the outer sliding groove (23c1) is formed in the outer ring of the inner driving ring (23c2), the grooved bar sleeve frame (23c3) is arranged on the inner ring of the inner driving ring (23c2), and the second driving wheel (23c5) and the sliding block (23c4) are arranged inside the grooved bar sleeve frame (23c3) from left to right.

5. An agricultural information collection system and method according to any one of claims 1-4, wherein:

remote control is realized on the basis of the internet of things technology, the crawler wheels (5) arranged on two sides of the chassis (6) are utilized to enable the multi-azimuth camera device (2) to have the capability of acting in the field, positioning piles (7) are arranged on two ends of the chassis (6), and the positioning piles (7) can move downwards in a straight line under the driving of a straight line executing mechanism arranged at the head end of the electric push rod (8) and are inserted into the soil;

therefore, the stability of the chassis (6) in a static state is realized, the recording quality of the camera (22) is improved, the camera (22) can flexibly turn by 360 degrees through the multi-azimuth camera device (2), and the linear displacement sliding capacity is stable up and down, so that the camera (22) can stably record the agricultural scientific and technological operation and the crop production condition in multiple directions, and the recording difficulty of the agricultural scientific and technological operation and the crop production condition is greatly reduced;

because the positioning slide bar (23c) and the outer slide groove (23c1) are arranged between the inner drive brackets (23b) of the outer camera fixing ring (23a), the section of the outer slide groove (23c1) is in a T-shaped structure, the outer slide groove (23c1) is in sliding fit with the slide block with the T-shaped head end of the positioning slide bar (23c), the outer camera fixing ring (23a) can be prevented from falling off from the inner drive bracket (23b) through the matching between the outer slide groove (23c1) and the positioning slide bar (23c), and two driving slide bars (23e) are arranged between the outer camera fixing ring (23a) and the inner drive bracket (23b) in an axial symmetry structure;

the first driving wheel (23f) is arranged at the head end of the driving sliding rod (23e), and the first driving wheel (23f) is transversely arranged, because the first driving wheel (23f) generates driving torque through a direct drive motor, on the basis that the outer sliding groove 23c1 is matched with the positioning sliding rod (23c), the driving torque generated by the motor can enable the first driving wheel (23f) to rotate, and the torque generated by the first driving wheel (23f) drives the outer camera fixing ring (23a) to rotate along the outer sliding groove (23c1) arranged on the outer ring of the inner driving support (23 b);

because the camera (22) is arranged on the outer ring of the outer camera fixing ring (23a), the camera (22) can rotate according to the rotating lead of the outer camera fixing ring (23a), so that the camera (22) can flexibly turn by 360 degrees, because the inner driving ring (23c2) is internally provided with four grooved rod sleeve frames (23c3), each grooved rod sleeve frame (23c3) is matched with each grooved rod (21c), a second driving wheel (23c5) and a sliding block (23c4) are arranged inside each grooved rod sleeve frame (23c3) from left to right, the second driving wheel (23c5) is matched with the sliding rail (21e), and the sliding block (23c3) is in a T-shaped structure and is matched with the sliding groove (21f) in a T-shaped structure, so that the inner driving bracket (23b) can be prevented from falling off the grooved rod (21 c);

because the second driving wheel (23c5) generates driving torque through a direct drive motor and is longitudinally arranged, on the basis that the sliding block (23c4) is matched with the sliding groove (21f), the driving torque generated by the motor can enable the second driving wheel (23c5) to linearly move up and down along the sliding rail (21e), so that the camera (22) can stably linearly move up and down to slide, and therefore the problem that in the agricultural technology popularization, workers need to record agricultural scientific and technological operation and crop production conditions through the camera is solved, long-time hand-held camera walking and recording in the field is too tired, and the workers can shake in the process of recording the camera, so that the recorded video definition is greatly reduced;

and when recording different crops and different agricultural science and technology operations, need adjust the height that the camera recorded for the staff who holds the camera need bend over for a long time and fix a shape or squat, greatly increased the problem of recording the degree of difficulty.