A remote sensing mapping positioning device

Abstract

The application belongs to the technical field of remote sensing surveying and mapping equipment, and particularly relates to a remote sensing surveying and mapping positioning device, which comprises a fixing rod, the top end of the fixing rod is provided with a surveying instrument, the main body of the fixing rod is of a hollow structure, the bottom end of the fixing rod is fixedly connected with a central pipe, the bottom end of the central pipe is fixedly connected with a positioning head, the central pipe is provided with a plurality of locking mechanisms along the axial direction, a plurality of image control targets are slidably sleeved on the central pipe, the image control targets are fixed on the central pipe through the locking mechanisms, and the fixing rod is provided with an unlocking mechanism for unlocking the locking mechanisms. The application is simple, convenient and efficient, can realize continuous and rapid arrangement of the image control targets, and significantly improves the operation efficiency and saves the time cost.

Description

TECHNICAL FIELD

[0001] The present application relates to remote sensing surveying and mapping device technical field, especially to a remote sensing surveying and mapping positioning device. BACKGROUND

[0002] Remote sensing technology is a new technology that uses remote sensing instruments carried by artificial earth satellites or other space vehicles to remotely sense, detect and identify the earth's surface through electronic and optical means to achieve resource management and monitoring.

[0003] Remote sensing surveying and mapping is a behavior that uses remote sensing technology to process and analyze data on a computer to achieve surveying and mapping purposes. Air vehicle aerial surveying, as a new type of low-altitude remote sensing image acquisition technology, is a powerful supplement to satellite remote sensing and aerial photography. It can quickly acquire high-resolution orthographic image maps of small areas and difficult areas for aerial photography, and thus plays an important role in national economic construction.

[0004] Currently, the spray or paint method is generally used for image control point control, and the entire process needs to be manually operated by workers. This not only makes the labor intensity of workers high, but also greatly consumes time cost, and seriously affects work efficiency. SUMMARY

[0005] The purpose of the present application is to provide a remote sensing surveying and mapping positioning device to solve the problems existing in the prior art.

[0006] To achieve the above purpose, the present application provides a remote sensing surveying and mapping positioning device, which comprises a fixed rod, a measuring instrument is installed at the top end of the fixed rod, the main body of the fixed rod is a hollow structure, a central pipe is fixedly connected in communication at the bottom end of the fixed rod, a positioning head is fixedly connected at the bottom end of the central pipe, a plurality of locking mechanisms are arranged on the central pipe along the axial direction, a plurality of image control targets are slidably sleeved on the central pipe, the image control targets are fixed on the central pipe through the locking mechanisms, and an unlocking mechanism is arranged on the fixed rod and used for unlocking the locking mechanisms.

[0007] Preferably, the image control target comprises a sliding sleeve arranged on the central pipe, a plurality of support rods are hingedly connected to the outer wall of the bottom end of the sliding sleeve at equal intervals in the circumferential direction, a gravity sliding ring is slidably sleeved on the sliding sleeve, a limiting assembly is arranged on the gravity sliding ring, the gravity sliding ring is fixed to the outer wall of the sliding sleeve through the limiting assembly, one end of a plurality of pull rods is hingedly connected to the outer wall of the gravity sliding ring at equal intervals in the circumferential direction, the other end of the pull rod is connected to the lower part of the support rod, the pull rod and the support rod are correspondingly arranged, and a plurality of pull rods are unfolded to form a rectangular support frame body, and an image control target cloth is fixedly covered on the rectangular support frame body.

[0008] Preferably, the limiting assembly comprises a plurality of through holes opened in the circumferential direction of the gravity slip ring side wall, a spring two is arranged in the through hole, one end of the spring two is fixedly connected with a steel ball close to the slide cylinder, a plurality of semispherical grooves are opened in the circumferential direction of the outer wall of the slide cylinder, the semispherical grooves are matched with the steel ball, the other end of the spring two is abutted with an adjusting plug, and the adjusting plug is screwedly connected to the outer wall of the gravity slip ring.

[0009] Preferably, the locking mechanism comprises a plurality of grooves opened in the circumferential direction of the outer wall of the center pipe, a lock tongue is slidably connected in the groove, a plurality of lock holes are opened in the circumferential direction of the outer wall of the upper end of the slide cylinder, the lock holes are matched with the lock tongue, one end of the lock tongue is connected with one end of a connecting rod, the other end of the connecting rod penetrates the inner wall of the groove and is connected with a limiting sheet, a spring one is slidably sleeved on the connecting rod, and the two ends of the spring one are respectively abutted with the lock tongue and the inner wall of the groove.

[0010] Preferably, the unlocking mechanism comprises a lead screw, the lead screw is rotatably connected in the cavity of the center pipe and the fixed rod, a block is screwedly connected on the lead screw, the block is a cylindrical structure, a slide rod is connected in the vertical direction in the cavity, the block is slidably limited on the slide rod, a plurality of unlocking assemblies are arranged in the circumferential direction on the outer wall of the block, the unlocking assemblies are arranged correspondingly to the limiting sheet, and the fixed rod is provided with a driving assembly for driving the lead screw to rotate.

[0011] Preferably, the unlocking assembly comprises an unlocking body arranged in the circumferential direction at equal intervals on the outer wall of the block, a avoiding groove for allowing the limiting sheet to pass through is arranged on one side of the unlocking body close to the limiting sheet, wedge blocks are fixedly connected to the opposite sides of the avoiding groove, the limiting sheet is a conical frustum structure, and the wedge blocks are matched with the limiting sheet.

[0012] Preferably, the driving assembly comprises a rotating shaft rotatably connected to the fixed rod, a crank handle is fixedly arranged at one end of the rotating shaft, the other end of the rotating shaft penetrates the outer wall of the fixed rod and is connected with a bevel gear two, a bevel gear one is connected to the top end of the lead screw, and the bevel gear one is engaged with the bevel gear two.

[0013] Preferably, a plurality of supporting legs are hingedly connected to the outer wall of the fixed rod in the circumferential direction at equal intervals.

[0014] Compared with the prior art, the present application has the following advantages and technical effects:

[0015] The remote sensing surveying and mapping positioning device provided by the application can sequentially and quickly fix a plurality of photocontrol targets on the central pipe through the locking mechanism, and sequentially unlock as required through the unlocking mechanism, and the photocontrol targets are automatically unfolded after sliding down along the central pipe, which facilitates the arrangement and can realize continuous arrangement of the photocontrol targets.

[0016] The operation process of the application is simple, and the staff does not need complex training and cumbersome operation steps to operate. In the field operation and the like, the continuous arrangement of the photocontrol targets can be quickly and efficiently realized. Compared with the traditional photocontrol target arrangement mode, the application greatly saves the time cost and effectively improves the operation efficiency, provides strong support for the smooth progress of the remote sensing surveying and mapping work, reduces unnecessary loss of manpower and material resources while improving work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor.

[0018] Figure 1 A remote sensing surveying and mapping positioning device provided by the application is shown in the overall structure diagram.

[0019] Figure 2 A partial enlarged view of A in the figure is shown. Figure 1

[0020] Figure 3 A partial enlarged view of B in the figure is shown. Figure 1

[0021] Figure 4 A side view of the unlocking assembly in the application is shown.

[0022] Figure 5 A structure diagram of the photocontrol target in the application is shown.

[0023] Figure 6 A partial enlarged view of C in the figure is shown. Figure 5

[0024] Figure 7 A partial enlarged view of D in the figure is shown. Figure 3

[0025] ​​​​Wherein: 1, positioning head; 2, center tube; 3, image control target cloth; 4, gravity slip ring; 5, fixed rod; 6, support I; 7, bevel gear I; 8, bevel gear II; 9, crank; 10, rotating shaft; 11, measuring instrument; 12, support leg; 13, screw rod; 14, slide rod; 15, slide cylinder; 16, lock hole; 17, lock tongue; 18, connecting rod; 19, spring I; 20, limit piece; 21, avoiding groove; 22, wedge block; 23, unlocking body; 24, spring II; 25, adjusting plug; 26, steel ball; 27, semispherical groove; 28, support rod; 29, pull rod; 30, block; 31, support II. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The described embodiments are only part of the embodiments of the present application, not all. All other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] The technical terms in the embodiments are described as follows:

[0028] I. Basic principles of remote sensing and mapping positioning

[0029] Remote sensing and mapping positioning is mainly based on electromagnetic wave theory. Different objects on the earth's surface have different electromagnetic wave characteristics, which reflect or radiate electromagnetic waves of specific wavelengths. Sensors on remote sensing platforms can capture these electromagnetic waves and infer the properties and distribution of ground objects by analyzing the wave spectrum information, thereby achieving mapping and positioning.

[0030] II. Technical features of remote sensing and mapping positioning

[0031] Long-distance sensing: Remote sensing satellites have a long sensing distance and can widely sense any corner of the earth without restriction, especially in areas with harsh natural conditions and difficult ground measurement, where ground information can be easily obtained.

[0032] Information diversity: Remote sensing technology can not only obtain information in the visible light band, but also obtain information in the invisible light band such as ultraviolet, infrared, and microwave. In addition, according to the different penetration of wave bands, ground object information such as ground temperature, vegetation content, and atmospheric pollutant content can also be obtained.

[0033] Fast and efficient: Remote sensing information acquisition is fast and efficient, with a short cycle. For example, it only takes 16 days to obtain the ground information of the entire earth using Landsat 8.

[0034] Wide coverage: One aerial image taken from 10,000 meters high covers an area of 900 square kilometers, while one Landsat image covers an area of 34,000 square kilometers.

[0035] III. Application fields of remote sensing surveying and positioning

[0036] Environmental protection: Remote sensing monitoring technology can achieve comprehensive and detailed monitoring of the ecological environment and plays an important role in monitoring black and odorous water bodies and greenhouse gases.

[0037] Agricultural production: Remote sensing technology can be used for agricultural environmental monitoring, land use status monitoring, soil moisture analysis, and crop four-condition analysis, providing data support for agricultural production.

[0038] Urban planning: Remote sensing technology can provide convenient information data for the preliminary work of urban planning and technical support for urban land layout optimization.

[0039] Finance and insurance: Satellite remote sensing application technology has become a new source of data information and plays a role in pre-loan / investigation, post-loan / monitoring, etc. In particular, in agricultural insurance, it can scientifically and reasonably allocate reconnaissance and damage assessment forces to improve claim efficiency and accuracy.

[0040] National surveying and mapping: Through efficient acquisition of unmanned aerial vehicle aerial data, the detailed situation of the survey area can be quickly grasped, and then widely applied in dynamic monitoring and investigation of land resources, updating of land use and cover maps, monitoring of land use dynamics, and analysis of characteristic information, etc.

[0041] Route selection design: Remote sensing unmanned aerial vehicles play an important role in route selection design of power, highway, and railway, and can quickly obtain linear unmanned aerial vehicle aerial images to provide timely data support for route selection design.

[0042] Environmental monitoring: High-resolution aerial images efficiently acquired by unmanned aerial vehicles provide a timely and effective means for environmental pollution monitoring, especially for pollution monitoring. At the same time, it is widely used in marine monitoring, oil spill monitoring, water quality monitoring, wetland monitoring, solid pollutant monitoring, coastal zone monitoring, and vegetation ecological monitoring.

[0043] IV. Development trend of remote sensing surveying and positioning

[0044] With the advancement of communication and sensor technology, remote sensing surveying and positioning technology is developing towards higher resolution, faster response, and wider coverage. In particular, the rise of unmanned aerial vehicle remote sensing surveying and positioning technology has emerged as one of the mainstream technologies in future aerial remote sensing with its high cost performance, portable transportation, no site restrictions, and maneuverability.

[0045] In summary, remote sensing mapping positioning technology plays an important role in many fields with its unique advantages, and with the continuous progress of technology, it shows a more broad application prospect.

[0046] Photo control point targets are ground control point markers used in photogrammetry and remote sensing applications. These targets are clearly visible on images, and their main role is to determine specific locations on the ground, helping to accurately interpret and correct aerial or satellite images. In the context of UAV aerial surveying, ground mapping, and other scenarios, photo control point targets can provide accurate geographic location information, ensuring the accuracy and reliability of measurement data.

[0047] Referring to Figures 1 to 7 The present application provides a remote sensing mapping positioning device, comprising a fixed rod 5, a measuring instrument 11 is installed at the top end of the fixed rod 5, the main body of the fixed rod 5 is hollow structure, the bottom end of the fixed rod 5 is fixedly connected with a center tube 2, the bottom end of the center tube 2 is fixedly connected with a positioning head 1, the center tube 2 is provided with a plurality of locking mechanisms along the axial direction, a plurality of photo control targets are slidably sleeved on the center tube 2, the photo control targets are fixed on the center tube 2 through the locking mechanisms, and an unlocking mechanism is arranged on the fixed rod 5.

[0048] In order to prevent the laid photo control targets from being blown away and displaced by the wind, in this embodiment, ground nails are used to fix the four corners of the photo control targets.

[0049] The locking mechanisms can be used to sequentially and quickly fix a plurality of photo control targets on the center tube 2, and the unlocking mechanism can be used to sequentially unlock as needed. After the photo control targets slide down the center tube 2 and fall to the ground, they are automatically unfolded, which facilitates the layout and enables continuous layout of the photo control targets. The measuring instrument 11 is used to complete the layout of the photo control targets at the current position.

[0050] Further, the photo control target comprises a sliding cylinder 15 slidably sleeved on the center tube 2, a plurality of support rods 28 are hingedly connected to the outer wall of the bottom end of the sliding cylinder 15 at equal intervals in the circumferential direction, a gravity sliding ring 4 is slidably sleeved on the sliding cylinder 15, a limiting assembly is arranged on the gravity sliding ring 4, the gravity sliding ring 4 is fixed to the outer wall of the sliding cylinder 15 through the limiting assembly, a plurality of one ends of pull rods 29 are hingedly connected to the outer wall of the gravity sliding ring 4 at equal intervals in the circumferential direction, the other ends of the pull rods 29 are connected to the lower parts of the support rods 28, the pull rods 29 and the support rods 28 are correspondingly arranged, and the plurality of pull rods 29 form a rectangular support frame body after being unfolded. The photo control target cloth 3 is fixedly covered on the rectangular support frame body.

[0051] When the image control target is laid out, the unlocking mechanism is controlled to unlock the locking mechanism, and then the sliding cylinder 15 loses the restriction, the sliding cylinder 15 and the gravity sliding ring 4 move downward along the central pipe 2, when the sliding cylinder 15 lands, it is forced to stop sliding, at this time, the gravity sliding ring 4 overcomes the limit of the limiting assembly under the action of its own inertia, and continues to slide along the outer wall of the sliding cylinder 15, the gravity sliding ring 4 drives the pull rod 29 to rotate the supporting rod 28 to unfold, and then the image control target cloth 3 is completely laid on the ground, and the laying of the image control target is completed.

[0052] Further, the limiting assembly includes a plurality of through holes opened along the circumferential wall of the gravity sliding ring 4, a spring 24 is arranged in the through hole, one end of the spring 24 close to the sliding cylinder 15 is fixedly connected with a steel ball 26, a plurality of semispherical grooves 27 are opened along the circumferential wall of the outer wall of the sliding cylinder 15, the semispherical grooves 27 are matched with the steel ball 26, and the other end of the spring 24 abuts against an adjusting plug 25 which is threadedly connected to the outer wall of the gravity sliding ring 4.

[0053] When the sliding cylinder 15 lands and stops sliding, at this time, the steel ball 26 is extruded and compresses the spring 24 under the action of its own inertia, and then it is out of the semispherical groove 27, the elasticity of the spring 24 can be adjusted by rotating the adjusting plug 25, and then it is ensured that the image control target cloth 3 is always in the folded state, that is, before the image control target slides on the central pipe 2, the gravity sliding ring 4 is always limited at the top end of the sliding cylinder 15.

[0054] Further, the locking mechanism includes a plurality of grooves opened along the circumferential wall of the outer wall of the central pipe 2, a lock tongue 17 is slidably connected in the groove, a plurality of lock holes 16 are opened along the circumferential wall of the outer wall of the upper end of the sliding cylinder 15, the lock holes 16 are matched with the lock tongue 17, one end of the lock tongue 17 away from the sliding cylinder 15 is connected with one end of a connecting rod 18, the other end of the connecting rod 18 penetrates through the inner wall of the groove and is connected with a limiting sheet 20, a spring 19 is slidably sleeved on the connecting rod 18, and the two ends of the spring 19 respectively abut against the lock tongue 17 and the inner wall of the groove.

[0055] The lock tongue 17 is extended into the lock hole 16 under the rebounding force of the spring 19 to fix the sliding cylinder 15.

[0056] Further, the unlocking mechanism includes a lead screw 13, the lead screw 13 is rotatably connected in a cavity of the central pipe 2 and the fixed rod 5, a block 30 is threadedly connected on the lead screw 13, the block 30 is a cylindrical structure, a sliding rod 14 is connected in the cavity in the vertical direction, the block 30 is slidingly limited on the sliding rod 14, a plurality of unlocking assemblies are arranged on the outer wall of the block 30 in the circumferential direction, the unlocking assemblies are correspondingly arranged with the limiting sheet 20, and the fixed rod 5 is provided with a driving assembly for driving the lead screw 13 to rotate.

[0057] In the embodiment, a support one 6 is connected to the inside of the fixed rod 5 and a support two 31 is connected to the inside bottom end of the central pipe 2, respectively, the screw rod 13 is rotatably connected between the two supports, and the sliding rod 14 is also fixedly connected between the two supports.

[0058] The driving assembly drives the screw rod 13 to rotate, the block 30 moves along the sliding rod 14 under the limiting action of the sliding rod 14 and the screwing, the moving block 30 drives the unlocking assembly to contact and unlock the limiting piece 20.

[0059] Further, the unlocking assembly comprises unlocking bodies 23 which are arranged at equal intervals along the outer wall of the block 30, the unlocking bodies 23 are provided with avoiding grooves 21 for allowing the limiting piece 20 to pass through on the side close to the limiting piece 20, the opposite sides of the avoiding grooves 21 are fixedly connected with wedge blocks 22, the limiting piece 20 is a conical table structure, and the wedge blocks 22 are matched with the limiting piece 20.

[0060] The moving block 30 drives the unlocking bodies 23 to approach the limiting piece 20, and the two wedge blocks 22 are inserted between the limiting piece 20 and the central pipe 2, the limiting piece 20 continuously pulls the connecting rod 18 and the lock tongue 17 to overcome the elastic force of the spring one 19 under the effect of the inclined surface of the wedge block 22, so that the lock tongue 17 is pulled out of the lock hole 16 to realize unlocking.

[0061] Further, the driving assembly comprises a rotating shaft 10 which is rotatably connected to the fixed rod 5, one end of the rotating shaft 10 is fixedly provided with a crank 9, the other end of the rotating shaft 10 penetrates the outer wall of the fixed rod 5 and is connected with a bevel gear two 8, the top end of the screw rod 13 is connected with a bevel gear one 7, and the bevel gear one 7 is engaged with the bevel gear two 8.

[0062] The rotating shaft 10 is driven to rotate by shaking the crank 9, the bevel gear two 8 is driven to rotate by the rotating shaft 10, the screw rod 13 is driven to rotate through the engagement transmission between the bevel gear one 7 and the bevel gear two 8.

[0063] Further, in order to better ensure that the central pipe 2 is perpendicular to the ground, three supporting legs 12 are hingedly connected to the outer wall of the fixed rod 5 at equal intervals in the circumferential direction.

[0064] The remote sensing surveying and mapping positioning device has the advantages that the user needs to arrange image control points on the divided area before aerial survey, a plurality of image control targets are sequentially installed on the center pipe 2, the measuring instrument 11 is moved to the position set in advance, the supporting legs 12 on the center pipe 2 are supported open, the handle 9 is slowly shaken to drive the rotating shaft 10 to rotate, the rotating shaft 10 drives the bevel gear two 8 to rotate, the bevel gear one 7 and the bevel gear two 8 are engaged and driven, the screw rod 13 is driven to rotate, the block 30 moves along the slide rod 14 under the thread screwing and the limiting action of the slide rod 14, the moving block 30 drives the unlocking body 23 to approach the limiting sheet 20, the two wedge-shaped blocks 22 are inserted between the limiting sheet 20 and the center pipe 2, the limiting sheet 20 overcomes the elastic force of the spring one 19 to continuously pull the connecting rod 18 and the lock tongue 17 under the action of the inclined surface of the wedge-shaped block 22, the lock tongue 17 is pulled out of the lock hole 16 to realize unlocking, the slide cylinder 15 and the gravity sliding ring 4 move downward along the center pipe 2, when the slide cylinder 15 lands, the sliding is stopped, at this time, the gravity sliding ring 4 drives the steel ball 26 to extrude the spring two 24 under the action of the inertia of the gravity sliding ring 4, the gravity sliding ring 4 continues to slide along the outer wall of the slide cylinder 15, the gravity sliding ring 4 drives the pull rod 29 to push the supporting rod 28 to rotate, the supporting rod 28 is unfolded, and the image control target cloth 3 is completely laid on the ground, and the arrangement of the image control target is completed.

[0065] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A remote sensing mapping positioning apparatus, characterized by, The utility model provides a kind of fixed rod (5), the top end of the fixed rod (5) is equipped with measuring instrument (11), the main body of the fixed rod (5) is hollow structure, the bottom end of the fixed rod (5) is fixedly connected with center tube (2), the bottom end of the center tube (2) is fixedly connected with positioning head (1), the center tube (2) is provided with multiple locking mechanisms along the axis direction, multiple image control targets are slidably sleeved on the center tube (2), the image control target is fixed on the center tube (2) by the locking mechanism, the fixed rod (5) is provided with unlocking mechanism, and the unlocking mechanism is used to unlock the locking mechanism; The image control target includes a sliding cylinder (15) slidably sleeved on the center tube (2), a plurality of support rods (28) are hingedly connected to the outer wall of the bottom end of the sliding cylinder (15) at equal intervals in the circumferential direction, a gravity sliding ring (4) is slidably sleeved on the sliding cylinder (15), a limiting assembly is arranged on the gravity sliding ring (4), the gravity sliding ring (4) is fixed to the outer wall of the sliding cylinder (15) by the limiting assembly, one end of a plurality of pull rods (29) is hingedly connected to the outer wall of the gravity sliding ring (4) at equal intervals in the circumferential direction, the other end of the pull rod (29) is hingedly connected to the lower part of the support rod (28), the pull rod (29) and the support rod (28) are correspondingly arranged, and a rectangular support frame body is formed after the plurality of pull rods (29) are unfolded, and the image control target cloth (3) is fixedly covered on the rectangular support frame body. The limiting assembly includes a plurality of through holes formed in the circumferential direction of the side wall of the gravity sliding ring (4), a spring (24) is arranged in the through hole, one end of the spring (24) close to the sliding cylinder (15) is fixedly connected with a steel ball (26), a plurality of semispherical grooves (27) are formed in the circumferential direction of the outer wall of the sliding cylinder (15), the semispherical grooves (27) are matched with the steel ball (26), and the other end of the spring (24) abuts against an adjusting plug (25) which is threadedly connected to the outer wall of the gravity sliding ring (4).

2. The remote sensing mapping positioning apparatus of claim 1, wherein, The locking mechanism includes a plurality of grooves formed in the circumferential direction of the outer wall of the center tube (2), a locking tongue (17) is slidably connected in the groove, a plurality of lock holes (16) are formed in the circumferential direction of the outer wall of the upper end of the sliding cylinder (15), the lock holes (16) are matched with the locking tongue (17), one end of the locking tongue (17) away from the sliding cylinder (15) is connected with one end of a connecting rod (18), the other end of the connecting rod (18) penetrates the inner wall of the groove and is connected with a limiting sheet (20), a spring (19) is slidably sleeved on the connecting rod (18), and the two ends of the spring (19) respectively abut against the locking tongue (17) and the inner wall of the groove.

3. The remote sensing mapping positioning apparatus of claim 2, wherein, The unlocking mechanism comprises a screw rod (13) which is rotationally connected in a cavity of the central pipe (2) in communication with the fixed rod (5), a block (30) is threadedly connected on the screw rod (13), the block (30) is a cylindrical structure, a slide rod (14) is connected in the cavity in a vertical direction, the block (30) is slidingly limited on the slide rod (14), a plurality of unlocking assemblies are arranged on the outer wall of the block (30) in a circumferential direction, the unlocking assemblies are correspondingly arranged with the limiting sheets (20), and the fixed rod (5) is provided with a driving assembly for driving the screw rod (13) to rotate.

4. The remote sensing mapping positioning apparatus of claim 3, wherein, The unlocking assembly comprises unlocking bodies (23) which are arranged at equal intervals in a circumferential direction of the outer wall of the block (30), a recess (21) for allowing the limiting sheet (20) to pass is formed on one side of the unlocking body (23) close to the limiting sheet (20), and wedge blocks (22) are fixedly connected to opposite sides of the recess (21), the limiting sheet (20) is a conical frustum structure, and the wedge blocks (22) are matched with the limiting sheet (20).

5. The remote sensing mapping positioning apparatus of claim 3, wherein, The driving assembly comprises a rotating shaft (10) which is rotationally connected on the fixed rod (5), a crank (9) is fixedly arranged on one end of the rotating shaft (10), the other end of the rotating shaft (10) penetrates through the outer wall of the fixed rod (5) and is connected with a bevel gear two (8), a bevel gear one (7) is connected on the top end of the screw rod (13), and the bevel gear one (7) is engaged with the bevel gear two (8).

6. The remote sensing mapping positioning apparatus of claim 1, wherein, A plurality of supporting legs (12) are hingedly connected on the outer wall of the fixed rod (5) at equal intervals in a circumferential direction.

Images