Land area measuring device for land resource surveying and mapping

Abstract

The invention relates to the technical field of land area measurement, in particular to a land area measuring device for land resource surveying and mapping, which comprises a measuring mechanism and a moving frame, moving wheels are mounted on the moving frame; a rotating column connected with the measuring belt of the measuring mechanism is rotationally arranged in the shell; and the descending mechanism is clamped with the moving frame and is used for controlling the shell to move towards the ground when the measuring belt inclines upwards towards the rotating column in a measuring state. When the direction, facing the rotating column, of the measuring belt is in an upward state, the descending mechanism drives the whole shell to descend until the measuring belt is in a horizontal state, and if the direction, facing the rotating column, of the measuring belt is in a downward state, the ascending mechanism drives the whole shell to ascend until the measuring belt is in the horizontal state; therefore, after the measuring tape reaches the measuring point, the state of the measuring tape is adjusted to the horizontal state, and the inclined measuring tape is prevented from influencing the accuracy of measured data.

Description

Technical Field

[0001] The invention relates to the technical field of land area measurement, and in particular to a land area measurement device for land resources surveying and mapping. Background Art

[0002] Land resources need to be surveyed before they are used, and there are many ways to survey, such as total station and measuring tape. In some lands with more crops and vegetation, the total station will be blocked by crops and vegetation. Therefore, a measuring tape can be used for measurement. The outer shell of the measuring tape is fixed to the land, and then one end of the measuring tape is manually pulled and inserted into one end of the land to be measured. When used on rugged terrain such as some mountainous areas, one end of the measuring tape may be located in a depression or on a slope, which causes one end of the measuring tape to be lower or higher than the outer shell of the measuring tape, thereby causing the entire measuring tape to tilt, resulting in inaccurate measurement results.

[0003] The Chinese invention application with authorization announcement number CN117968499B proposes a measuring device for natural resource land management, including: a plug-in cone and a support platform fixedly connected to the top of the plug-in cone, and a shell is fixedly connected to the top of the support platform. The above invention is arranged by cooperating with parts such as a calibration plate, and rotating the knob. The knob drives the second bevel gear to rotate, thereby driving the first bevel gear to drive the one-way threaded screw to rotate, thereby driving the L-shaped slide rod to drive the movable column to move upward, so as to adjust the calibration plate to align with the position where the infrared light is emitted by the infrared laser emitter, so that the measuring tape can be adjusted to be flush with the initial position, thereby improving the accuracy of the measuring tape in measuring land.

[0004] Although the above-mentioned prior art can make the position of the measuring belt flush with the initial position, it still needs to use infrared rays for calibration. During the infrared irradiation process, it may still be blocked by vegetation and crops, thereby affecting the accuracy of the calibration. Summary of the invention

[0005] The purpose of the present invention is to solve the problems existing in the background technology and to provide a land area measuring device for land resources surveying and mapping.

[0006] The technical solution of the present invention is: a land area measuring device for land resources surveying and mapping, comprising a measuring mechanism and a mobile frame; the mobile frame is provided with mobile wheels; and A housing in which a rotating column connected to a measuring belt of a measuring mechanism is rotatably arranged; A descending mechanism, which is connected to the moving frame and is used to control the housing to move toward the ground when the measuring belt is tilted upward toward the rotating column in the measuring state; The lifting mechanism is installed on the shell and connected to the descending mechanism; the lifting mechanism includes an elastic telescopic component, a drain pipe component, a driving rod, a lifting part and a water tank; the elastic telescopic component connects the shell and the descending mechanism; the water tank is installed on the upper end surface of the shell; the drain pipe component is installed in the shell, its liquid inlet end is connected to the water tank, and its liquid discharge end is provided with a switch component a; the lifting part is slidably connected to the drain pipe component; the driving rod is installed at an eccentric position at one end of the rotating column and slidably connected to the lifting part, which is used to drive the lifting part to slide up and down when the rotating column rotates; the drain pipe component is provided with a switch component b for connecting or blocking the drain pipe component during the sliding process of the lifting part; in the measuring state, the measuring mechanism is fixed to the ground, and after the mobile frame moves to the measuring point, if the measuring belt tilts downward toward the rotating column, the drain pipe component is in a connected state, and the switch component a is turned on, and the water in the water tank is discharged by the drain pipe component, and the shell moves toward the side away from the mobile frame under the action of the elastic telescopic component until the drain pipe component is in a blocked state, and the measuring belt is in a horizontal state.

[0007] Preferably, the drainage pipe assembly includes a water pipe, a return pipe, an auxiliary pipe and a water outlet pipe; The switch component a is arranged at the liquid outlet end of the water outlet pipe; The loop tube is installed in the shell, and a vertical section of the loop tube is slidably connected to the lifting part; The two ends of the water pipe are respectively connected to the water tank and a vertical section of the loop-shaped pipe; the liquid inlet end of the water outlet pipe is connected to the other vertical section of the loop-shaped pipe; two auxiliary pipes are provided, and the two auxiliary pipes are connected to the two horizontal sections of the loop-shaped pipe; the switch components b correspond to the auxiliary pipes one by one, and the central axes of the lifting part, the driving rod and the rotating column are in the same plane state, and the blocking ends of each switch component b are slidably located in the auxiliary pipe and block the connection of the horizontal section of the loop-shaped pipe.

[0008] Preferably, each switch assembly b comprises a spring 1, a blocking rod and a blocking portion; The central axis of the blocking rod coincides with the central axis of the auxiliary tube, the blocking rod slides into the auxiliary tube and connects to the blocking part; a set of springs is arranged on the outer periphery of the blocking rod; and a spring is connected to the auxiliary tube.

[0009] Preferably, the elastic telescopic assembly includes a second lifting spring, a fixing rod, a T-shaped tube and a limiting unit; The large end of the T-shaped tube is connected to the descending assembly; the second set of springs is arranged on the outside of the T-shaped tube, and the two ends of the second spring are respectively connected to the shell and the large end of the T-shaped tube; one end of the fixed rod is connected to the shell, and the other end of the fixed rod is slidably inserted into the T-shaped tube; The limit unit is installed in the shell, and one end of the limit unit extends into the fixing rod, and is used to fix the fixing rod and the T-shaped tube when the side of the measuring belt facing the rotating column is in a horizontal state or an upward state.

[0010] Preferably, the limiting unit comprises a spring assembly 1, a control plate, a control cylinder and a locking plug rod; The spring assembly 1 is installed in the housing, two spring assemblies 1 are provided, and both spring assemblies 1 are connected to the control board; The control cylinder is arranged on one side of the lifting part, and the control cylinder is located between the two control plates. The locking rod extends into the fixing rod to fix the fixing rod and the T-shaped tube. During measurement, when the measuring belt is in a horizontal state and an upward state toward the rotating column, the control cylinder is located at the protruding portion of the control plate, and the locking rod extends into the fixing rod to fix the fixing rod and the T-shaped tube.

[0011] Preferably, the descending mechanism comprises a bracket, a descending drill tube, a driving device, a spring assembly 2 and a switch assembly c; The bracket is connected to the mobile bracket; the descending drill tube is rotated to connect the bracket; the driving device is located in the descending drill tube and is connected to the descending drill tube, and the driving device is connected to the ascending component; the spring component 2 is provided with multiple groups, one end of the spring component 2 is connected to the bracket, and the other end of the spring component 2 is connected to the mobile bracket; The switch assembly C is installed on the mobile frame. When the switch assembly C is started, the clamping relationship between the bracket and the mobile frame is released, the mobile end of the switch assembly C presses the mobile wheel, and the descending drill tube is pressed against the ground under the elastic force of the spring assembly 2. The driving device is powered on to drive the descending drill tube to rotate forward.

[0012] Preferably, the switch assembly c includes a rotating disk, a fixed positive and negative plate 1, a movable positive and negative plate, a spring 3, a limit rod, a curved block, a pressing block and a fixed positive and negative plate 2; The limit rod is slidably connected to the moving frame, the upper end of the limit rod is connected to the curved surface block, and the lower end of the limit rod is provided with a brake part; three sets of springs are arranged on the outer side of the limit rod, and the two ends of the spring three are respectively connected to the curved surface block and the moving frame; The turntable is rotated to connect to the moving frame, and one end of the turntable facing the curved surface block is connected to the pressing block; the turntable is rotated, and the pressing block contacts the curved surface block, driving the limit rod to move downward to compress the spring three until the brake part presses the moving wheel; There are two movable positive and negative plates, one movable positive and negative plate is connected to the turntable, and the other movable positive and negative plate is connected to the rotating column. One set of fixed positive and negative plates is arranged on the outer periphery of the turntable, the first fixed positive and negative plate is connected to the movable frame, the second set of fixed positive and negative plates is arranged on the outer periphery of the rotating column, and the second fixed positive and negative plate is installed in the outer shell.

[0013] Preferably, the switch assembly a comprises a control cylinder, a spring four, a blocking block, a limit block and a connecting rod; the discharge end of the drain pipe assembly is connected to the control cylinder, and a discharge hole is provided on the control cylinder; The blocking block is slidably installed in the control cylinder; one end of the connecting rod is slidably inserted into the control cylinder and connected to the blocking block; the spring four is located in the control cylinder and sleeved on the outside of the connecting rod, and the two ends of the spring four are respectively connected to the blocking block and the inner wall of the control cylinder. In the initial state, the blocking block is located at the connection between the control cylinder and the discharge end of the drain pipe assembly, and the other end of the connecting rod is connected to the limit block; the limit block is fitted into the groove on the outer peripheral surface of the turntable; Turn the turntable, the limit block moves out of the groove, pushes the connecting rod and the blocking block to move, and the spring four is stretched; the water in the drain pipe assembly enters the control cylinder and is discharged from the drain hole.

[0014] Preferably, it also includes a water outlet head; the water outlet head is connected to the drainage hole, and the liquid outlet direction of the water outlet head is toward the descending drill tube.

[0015] Compared with the prior art, the above technical scheme of the present invention has the following beneficial technical effects: after reaching the measuring point, the rotating disk is rotated to lock the position of the moving wheel. If the measuring belt is in an upward state facing the direction of the rotating column, the rotating column flips over so that the movable positive and negative plates in the inner cavity of the shell and the fixed positive and negative plates 2 are in contact and energized, and the fixed positive and negative plates 1 and the movable positive and negative plates in the movable frame are in contact and energized. After the two groups are energized, the driving device is energized to drive the descending drill barrel to rotate forward, and the limit between the cavity plate and the movable frame is released at this time, and then the downward pressure of the spring assembly 2 is used to drive the descending drill barrel to drill into the ground, so that the height of the shell is reduced until the measuring belt returns to a horizontal state. At this time, the rotating column drives the movable positive and negative plates in the inner cavity of the shell and the fixed positive and negative plates 2 to separate, and the driving device is powered off; When the measuring tape is tilted downward toward the rotating column, the control cylinder is separated from the control board. After the control board loses its limit, the locking rod is pulled out of the inner cavity of the T-tube through the elasticity of the spring assembly 1, releasing the limit of the fixing rod and the T-tube, and because the rotating column drives the movement of the lifting part, the lifting part drives the blocking rod to move in the inner cavity of the auxiliary pipe, and the water in the inner cavity of the water tank is discharged from the water outlet along the drain pipe assembly, thereby reducing the water in the water tank and reducing the weight of the outer shell. At this time, after the outer shell is raised to a horizontal state by the elasticity of the spring 2, the lifting part is reset. At this time, the blocking rod is reset by the elasticity of the spring 1, and the water flow in the drain pipe assembly is blocked again, so that the water in the inner cavity of the water tank stops flowing out, thereby stopping the decline, and keeping the outer shell in a horizontal state. Therefore, after the outer shell reaches the measuring point and is on an uneven ground, the height of the outer shell can be automatically adjusted to keep the measuring tape in a horizontal state, avoiding the tilt of the measuring tape and causing inaccurate measurement data. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of the present invention; Figure 2 This is a schematic diagram of the interior of the structural mounting frame of the present invention; Figure 3 For the present invention Figure 2 The connection diagram at A is enlarged; Figure 4 This is a schematic diagram of the interior of the structural shell of the present invention; Figure 5 For the present invention Figure 4 The connection diagram at B is enlarged; Figure 6 It is a schematic diagram of the position of the descending mechanism of the present invention; Figure 7 For the present invention Figure 6 The enlarged connection diagram at C in the middle; Figure 8 This is a schematic diagram of the interior of the mobile frame of the structure of the present invention; Fig. 9 For the present invention Figure 8 The enlarged connection diagram at D in the middle; Fig.10 It is a schematic diagram of the position relationship between the curved surface block and the pressing block of the structure of the present invention; Fig.11 This is a schematic diagram of the position relationship between the limit block and the turntable of the structure of the present invention; Figure numerals: 1, mounting frame; 2, mounting cylinder; 3, fixed plug rod; 4, coil spring; 5, measuring tape; 6, housing; 7, rotating column; 8, driving rod; 9, lifting part; 10, water tank; 11, water pipe; 12, round pipe; 13, auxiliary pipe; 14, spring 1; 15, blocking rod; 16, water outlet pipe; 17, water outlet head; 18, spring assembly 1; 19, spring 2; 20, control panel; 21, control cylinder; 22, locking plug rod; 23, fixed Fixed rod; 24, T-shaped tube; 25, driving device; 26, descending drill tube; 27, sleeve ring; 28, cavity plate; 29, spring assembly 2; 30, moving frame; 31, moving wheel; 32, turntable; 33, fixed positive and negative plates 1; 34, movable positive and negative plates; 35, spring 3; 36, limiting rod; 37, curved block; 38, control tube; 39, spring 4; 40, blocking block; 41, limiting block; 42, pressing block; 43, fixed positive and negative plates 2. DETAILED DESCRIPTION

[0017] Embodiment 1, as Figure 1-Figure 11 As shown, a land area measuring device for land resources surveying and mapping proposed by the present invention comprises a housing 6, a descending mechanism, an ascending mechanism, a measuring mechanism and a moving frame 30; a moving wheel 31 is installed on the moving frame 30; A rotating column 7 connected to a measuring belt 5 of a measuring mechanism is rotatably arranged in the housing 6; The measuring mechanism includes a mounting tube 2, which is sleeved on the outside of the mounting frame 1. The bottom end of the mounting frame 1 is provided with a fixed plug rod 3 for fixing the mounting frame 1. The inner cavity of the mounting frame 1 is provided with a coil spring 4. The rotating shaft in the middle of the coil spring 4 is provided with a measuring belt 5; wherein, the end of the measuring belt 5 away from the rotating shaft is connected to the rotating column 7. The fixed plug rod 3 is inserted into the ground at one of the measuring points to fix the position of the mounting tube 2. Then the staff pulls the mobile frame 30 to move to another measuring point. At this time, the measuring belt 5 in the inner cavity of the mounting frame 1 is pulled out by the rotating column 7, and the elasticity of the coil spring 4 keeps the measuring belt 5 in a taut state.

[0018] The descending mechanism is engaged with the moving frame 30 and is used to control the housing 6 to move toward the ground when the measuring belt 5 is tilted upward toward the rotating column 7 in the measuring state; The rising mechanism is installed on the shell 6 and connected to the descending mechanism; the rising mechanism includes an elastic telescopic component, a drainage pipe component, a driving rod 8, a lifting part 9 and a water tank 10; the elastic telescopic component connects the shell 6 and the descending mechanism; the bottom end of the elastic telescopic component is connected to the descending mechanism, and the top end of the elastic telescopic component is connected to the shell 6; the water tank 10 is installed on the upper end surface of the shell 6; the drainage pipe component is installed in the shell 6, its liquid inlet end is connected to the water tank 10, and its liquid discharge end is provided with a switch component a; the lifting part 9 is slidably connected to the drainage pipe component; the driving rod 8 is installed at an eccentric position at one end of the rotating column 7, and is slidably connected to the lifting part 9, It is used to drive the lifting part 9 to slide up and down when the rotating column 7 is rotating; the drain pipe assembly is provided with a switch component b for connecting or blocking the drain pipe assembly during the sliding process of the lifting part 9; in the measuring state, the measuring mechanism is fixed to the ground, and after the mobile frame 30 moves to the measuring point, if the measuring belt 5 is tilted downward toward the rotating column 7, the drain pipe assembly is in a connected state, and the switch component a is turned on, and the water in the water tank 10 is discharged by the drain pipe assembly. The outer shell 6 moves toward the side away from the mobile frame 30 under the action of the elastic telescopic component until the drain pipe assembly is in a blocked state, and the measuring belt 5 is in a horizontal state.

[0019] In an optional embodiment, the drainage pipe assembly includes a water pipe 11, a return pipe 12, an auxiliary pipe 13 and a water outlet pipe 16; The switch assembly a is arranged at the liquid outlet end of the water outlet pipe 16; the water outlet pipe 16 is a telescopic pipe; The loop tube 12 is installed in the housing 6, and a vertical section of the loop tube 12 is slidably connected to the lifting part 9; The two ends of the water pipe 11 are respectively connected to the water tank 10 and a vertical section of the loop-shaped pipe 12; the liquid inlet end of the water outlet pipe 16 is connected to the other vertical section of the loop-shaped pipe 12; two auxiliary pipes 13 are provided, and the two auxiliary pipes 13 are connected to the two horizontal sections of the loop-shaped pipe 12; the switch components b and the auxiliary pipes 13 correspond one to one, and the central axes of the lifting part 9, the driving rod 8 and the rotating column 7 are in the same plane state, and the blocking end of each switch component b is slidably located in the auxiliary pipe 13 and blocks the connection of the horizontal section of the loop-shaped pipe 12.

[0020] In an optional embodiment, each switch assembly b includes a spring 14, a blocking rod 15 and a blocking portion; The central axis of the blocking rod 15 coincides with the central axis of the auxiliary tube 13 , and the blocking rod 15 slides into the auxiliary tube 13 and connects to the blocking portion; a spring 14 is sleeved on the outer periphery of the blocking rod 15 ; and the spring 14 is connected to the auxiliary tube 13 .

[0021] In an optional embodiment, the elastic telescopic assembly includes a lifting spring 2 19, a fixing rod 23, a T-shaped tube 24 and a limiting unit; The large end of the T-shaped tube 24 is connected to the descending assembly; the second spring 19 is sleeved on the outside of the T-shaped tube 24, and the two ends of the second spring 19 are respectively connected to the housing 6 and the large end of the T-shaped tube 24; one end of the fixing rod 23 is connected to the housing 6, and the other end of the fixing rod 23 is slidably inserted into the T-shaped tube 24; The limiting unit is installed in the housing 6, and one end of the limiting unit extends into the fixing rod 23, and is used to fix the fixing rod 23 and the T-shaped tube 24 when the side of the measuring belt 5 facing the rotating column 7 is in a horizontal state or an upward state.

[0022] In an optional embodiment, the limiting unit includes a spring assembly 18, a control plate 20, a control cylinder 21 and a locking rod 22; The spring assembly 18 is installed in the housing 6. Two spring assemblies 18 are provided. Both spring assemblies 18 are connected to the control board 20. The control cylinder 21 is disposed on one side of the lifting part 9, and the control cylinder 21 is located between the two control plates 20. The locking rod 22 extends into the fixing rod 23 to fix the fixing rod 23 and the T-shaped tube 24. During measurement, when the measuring belt 5 is in a horizontal state and an upward state toward the rotating column 7, the control cylinder 21 is located at the protruding portion of the control plate 20, and the spring assembly 18 is in a compressed state. At this time, the locking rod 22 extends into the fixing rod 23 to fix the fixing rod 23 and the T-shaped tube 24.

[0023] In the present invention, when the moving frame 30 reaches another measuring point, the switch assembly a is turned to lock and fix the position of the moving wheel 31, and the discharge end of the water outlet pipe 16 is connected. If the measuring belt 5 is upward toward one side of the rotating column 7, the rotating column 7 drives the driving rod 8 to flip downward, and the driving rod 8 drives the lifting part 9 to move downward along the vertical section of the circular tube 12. At this time, the control cylinder 21 is separated from the protruding parts of the two control plates 20. At this time, the elasticity of the spring assembly 18 drives the two control plates 20 to move toward the direction of the control cylinder 21, thereby driving the locking rod 22 at the bottom end of the control plate 20 to be pulled out from the T-shaped tube 24, and releasing the fixation of the fixing rod 23 and the T-shaped tube 24; As the lifting part 9 descends, the blocking rod 15 moves toward the auxiliary pipe 13. At this time, the blocking part leaves the connection between the loop pipe 12 and the auxiliary pipe 13. The water in the inner cavity of the water tank 10 is discharged from the water outlet pipe 16 along the water pipe 11 and the loop pipe 12 under the action of gravity. When the water in the inner cavity of the water tank 10 decreases, the housing 6 is driven to rise by the elasticity of the spring 2 19, and the housing 6 is positioned and guided by the fixing rod 23 and the T-shaped tube 24, thereby driving the end of the measuring tape 5 facing the rotating column 7 to rise, so that the end of the measuring tape 5 facing the rotating column 7 gradually becomes horizontal, and at this time the rotating column 7 also rotates and returns to the horizontal state; When the rotating column 7 is in a horizontal state, the elasticity of the spring 14 drives the blocking rod 15 to reset, and then the blocking rod 15 drives the blocking part to reset in the inner cavity of the auxiliary pipe 13, thereby blocking the connection between the auxiliary pipe 13 and the circular pipe 12, so that the water in the inner cavity of the water tank 10 stops being discharged. At this time, the weight of the outer shell 6 does not decrease, so that the elasticity of the spring 2 19 and the weight of the outer shell 6 reach a balance at this time, and then the outer shell 6 stops rising, so that when the measuring point is located on an uneven ground such as a depression, the measuring belt 5 is prevented from tilting downward, which affects the measurement accuracy.

[0024] Embodiment 2, as Figure 1-Figure 6 ,as well as Figure 8-Figure 11 As shown, the land area measuring device for land resources surveying and mapping proposed by the present invention, compared with the first embodiment, the descending mechanism in this embodiment includes a bracket, a descending drill tube 26, a driving device 25, a spring component 29 and a switch component c; The bracket is connected to the movable frame 30; the descending drill tube 26 is rotatably connected to the bracket; the driving device 25 is located in the descending drill tube 26 and is transmission-connected to the descending drill tube 26, and the driving device 25 is connected to the ascending component; the spring component 29 is provided with multiple groups, one end of the spring component 29 is connected to the bracket, and the other end of the spring component 29 is connected to the movable frame 30; the spring component 29 is composed of a telescopic rod and a spring five, and the telescopic rod is located at the center of the inner cavity of the spring five.

[0025] The switch assembly c is installed on the mobile frame 30. When the switch assembly c is in the started state, the clamping relationship between the bracket and the mobile frame 30 is released, the moving end of the switch assembly c presses the moving wheel 31, and the descending drill tube 26 is pressed against the ground under the elastic force of the spring assembly 29. The driving device 25 is energized to drive the descending drill tube 26 to rotate forward.

[0026] Embodiment three, as Figure 1-Figure 11 As shown, the land area measuring device for land resources surveying and mapping proposed by the present invention, compared with the second embodiment, the specific structures of the switch component c and the switch component a are also recorded in detail in this embodiment; the switch component c includes a rotating disk 32, a fixed positive and negative plate 1 33, a movable positive and negative plate 34, a spring 35, a limit rod 36, a curved block 37, a pressing block 42 and a fixed positive and negative plate 2 43; The limiting rod 36 is slidably connected to the moving frame 30, the upper end of the limiting rod 36 is connected to the curved block 37, and the lower end of the limiting rod 36 is provided with a brake part; the spring three 35 is sleeved on the outer side of the limiting rod 36, and the two ends of the spring three 35 are respectively connected to the curved block 37 and the moving frame 30; The turntable 32 is rotatably connected to the moving frame 30, and one end of the turntable 32 facing the curved block 37 is connected to the pressing block 42; the turntable 32 is rotated, and the pressing block 42 and the curved block 37 contact and drive the limit rod 36 to move downward to compress the spring 35 until the brake part presses the moving wheel 31; There are two movable positive and negative plates 34, one movable positive and negative plate 34 is connected to the rotating disk 32, and the other movable positive and negative plate 34 is connected to the rotating column 7. The fixed positive and negative plate 1 33 is sleeved on the outer periphery of the rotating disk 32, the fixed positive and negative plate 1 33 is connected to the movable frame 30, the fixed positive and negative plate 2 43 is sleeved on the outer periphery of the rotating column 7, and the fixed positive and negative plate 2 43 is installed in the housing 6; like Figure 3 and Fig.10 As shown, there are two movable positive and negative plates 34, one movable positive and negative plate 34 is connected to the rotating disk 32, and the other movable positive and negative plate 34 is connected to the rotating column 7. The fixed positive and negative plate 1 33 is sleeved on the outer periphery of the rotating disk 32, the fixed positive and negative plate 1 33 is connected to the movable frame 30, the fixed positive and negative plate 2 43 is sleeved on the outer periphery of the rotating column 7, and the fixed positive and negative plate 2 43 is installed in the housing 6; the fixed positive and negative plate 1 33, the movable positive and negative plate 34, and the fixed positive and negative plate 2 43 are electrically connected; The turntable 32 is rotated, and the pressing block 42 and the curved block 37 contact and drive the limit rod 36 to press the moving wheel 31. When the measuring belt 5 is in an upward state toward the rotating column 7, the rotating column 7 is in an upward state near the side of the fixed positive and negative plate 2 43. At this time, the movable positive and negative plate 34 located in the housing 6 is connected with the fixed positive and negative plate 2 43. Then the turntable 32 is rotated so that the fixed positive and negative plate 1 33 located in the moving frame 30 is connected with the movable positive and negative plate 34. At this time, the driving device 25 can be energized. It rotates forward, and under the pulling force of the spring assembly 29, the descending drill tube 26 under the sleeve ring 27 is driven to descend, and then the descending drill tube 26 is rotated, so that the descending drill tube 26 drills into the ground, thereby lowering the height of the shell 6 until the measuring belt 5 becomes horizontal in the direction of the rotating column 7. When the measuring belt 5 becomes horizontal, the rotating column 7 is also reset to a horizontal state. At this time, the fixed positive and negative plates 43 and the movable positive and negative plates 34 in the shell 6 are separated, thereby cutting off the power, and the driving device 25 stops running.

[0027] The switch assembly a includes a control cylinder 38, a spring four 39, a blocking block 40 and a limit block 41; the discharge end of the drain pipe assembly is connected to the control cylinder 38, and the spring four 39 is connected in the control cylinder 38; one end of the blocking block 40 slides into the control cylinder 38 and is elastically connected through the spring four 39; the limit block 41 is connected to the other end of the blocking block 40, and the limit block 41 is clamped in the turntable 32.

[0028] In an optional embodiment, the drainage pipe assembly further includes a water outlet head 17 ; the water outlet head 17 is located outside the descending drill tube 26 , and the water outlet head 17 is inclined in the direction of the descending drill tube 26 .

[0029] In summary, in the present invention, after the moving frame 30 moves the measuring point, if the measuring belt 5 tilts upward toward one side of the rotating column 7, the rotating column 7 will flip upward to drive the fixed positive and negative electrode plate 1 33 and the fixed positive and negative electrode plate 2 43 connected to the rotating column 7 to contact, and the fixed positive and negative electrode plate 1 33 and the fixed positive and negative electrode plate 2 43 are connected; Then, the turntable 32 is rotated so that the fixed positive and negative plates 1 33 on the turntable 32 are in contact with and connected to the movable positive and negative plates 34. At this time, the fixed positive and negative plates 1 33 on the rotating column 7 are connected to the fixed positive and negative plates 2 43, and the fixed positive and negative plates 1 33 on the turntable 32 are connected to the movable positive and negative plates 34. After the two groups are connected, the driving device 25 is started to drive the descending drill tube 26 to rotate forward. The limit block 41 is squeezed out from the inner cavity of the turntable 32, and the limit block 41 moves in the direction of the blocking block 40, thereby releasing the limit between the moving frame 30 and the cavity plate 28. At this time, the pulling force of the spring assembly 29 drives the descending drill tube 26 at the bottom end of the sleeve ring 27 to move downward, and then the descending drill tube 26 is driven to drill into the ground through the forward rotation of the descending drill tube 26, thereby lowering the height of the shell 6. When the measuring belt 5 is in a horizontal state, the rotating column 7 is reset, so that the fixed positive and negative plates 1 33 and the fixed positive and negative plates 2 43 on the rotating column 7 are broken, and then the power supply of the driving device 25 is cut off, so that when the measuring point is located at a higher ground, the height of the shell 6 can be automatically lowered, so that the measuring belt 5 is always in a horizontal state. When the end of the blocking block 40 away from the limiting block 41 leaves the connection between the control tube 38 and the water outlet pipe 16, the water in the inner cavity of the water outlet pipe 16 is discharged from the water outlet head 17 and sprinkled on the ground below the descending drill tube 26, so as to moisten the ground below the descending drill tube 26, thereby preventing the descending drill tube 26 from generating a lot of dust when drilling into the ground; At this time, since the measuring tape 5 is directed upward toward the rotating column 7, the rotating column 7 will only drive the lifting part 9 to move upward, and the control cylinder 21 cannot leave the protrusions of the two control plates 20, so that the locking rod 22 limits and locks the fixing rod 23 and the T-shaped tube 24; After the measurement is completed, the staff can control the driving device 25 through an external controller or other control equipment to drive the descending drill tube 26 to reverse and pull the moving frame 30 upward.

[0030] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A land area measuring device for land resources surveying and mapping, comprising a measuring mechanism and a moving frame (30); a moving wheel (31) is mounted on the moving frame (30); the device is characterized in that: Also includes A housing (6) in which a rotating column (7) connected to a measuring belt (5) of a measuring mechanism is rotatably disposed; A descending mechanism, which is engaged with the moving frame (30) and is used to control the housing (6) to move toward the ground when the measuring belt (5) is tilted upward toward the rotating column (7) in a measuring state; The ascending mechanism is mounted on the housing (6) and connected to the descending mechanism; the ascending mechanism comprises an elastic telescopic component, a drainage pipe component, a driving rod (8), a lifting part (9) and a water tank (10); the elastic telescopic component connects the housing (6) and the descending mechanism; the water tank (10) is mounted on the upper end surface of the housing (6); the drainage pipe component is mounted in the housing (6), the liquid inlet end of the drainage pipe component is connected to the water tank (10), and the liquid discharge end of the drainage pipe component is provided with a switch component a; the lifting part (9) is slidably connected to the drainage pipe component; the driving rod (8) is mounted at an eccentric position at one end of the rotating column (7) and is slidably connected to the lifting part (9) for adjusting the rotation of the rotating column (7) In the state, the lifting part (9) is driven to slide up and down; the drain pipe assembly is provided with a switch assembly b for connecting or blocking the drain pipe assembly during the sliding process of the lifting part (9); in the measuring state, the measuring mechanism is fixed to the ground, and after the movable frame (30) moves to the measuring point, if the measuring belt (5) tilts downward toward the rotating column (7), the drain pipe assembly is in the connected state, the switch assembly a is turned on, the water in the water tank (10) is discharged from the drain pipe assembly, and the housing (6) moves toward the side away from the movable frame (30) under the action of the elastic telescopic assembly until the drain pipe assembly is in the blocked state, and the measuring belt (5) is in the horizontal state.

2. A land area measuring device for land resources surveying and mapping according to claim 1, characterized in that: The drainage pipe assembly comprises a water pipe (11), a return pipe (12), an auxiliary pipe (13) and a water outlet pipe (16); The switch assembly a is arranged at the liquid outlet end of the water outlet pipe (16); The circular tube (12) is installed in the housing (6), and a vertical section of the circular tube (12) is slidably connected to the lifting part (9); The two ends of the water pipe (11) are respectively connected to the water tank (10) and a vertical section of the loop-shaped pipe (12); the liquid inlet end of the water outlet pipe (16) is connected to the other vertical section of the loop-shaped pipe (12); two auxiliary pipes (13) are provided, and the two auxiliary pipes (13) are connected to the two horizontal sections of the loop-shaped pipe (12); the switch components b and the auxiliary pipes (13) correspond one to one, and the central axes of the lifting part (9), the driving rod (8) and the rotating column (7) are in the same plane state, and the blocking end of each switch component b is slidably located in the auxiliary pipe (13) and blocks the connection of the horizontal section of the loop-shaped pipe (12).

3. A land area measuring device for land resources surveying and mapping according to claim 2, characterized in that: Each switch assembly b comprises a spring 1 (14), a blocking rod (15) and a blocking portion; The central axis of the blocking rod (15) coincides with the central axis of the auxiliary tube (13); the blocking rod (15) slides into the auxiliary tube (13) and is connected to the blocking portion; the spring (14) is sleeved on the outer periphery of the blocking rod (15); and the spring (14) is connected to the auxiliary tube (13).

4. A land area measuring device for land resources surveying and mapping according to claim 2 or 3, characterized in that: The elastic telescopic component comprises a second lifting spring (19), a fixing rod (23), a T-shaped tube (24) and a limiting unit; The large end of the T-shaped tube (24) is connected to the descending assembly; the second spring (19) is sleeved on the outside of the T-shaped tube (24), and the two ends of the second spring (19) are respectively connected to the housing (6) and the large end of the T-shaped tube (24); one end of the fixing rod (23) is connected to the housing (6), and the other end of the fixing rod (23) is slidably inserted into the T-shaped tube (24); The limit unit is installed in the housing (6), and one end of the limit unit extends into the fixing rod (23) to fix the fixing rod (23) and the T-shaped tube (24) when the side of the measuring belt (5) facing the rotating column (7) is in a horizontal state or an upward state.

5. The land area measuring device for land resources surveying and mapping according to claim 4, characterized in that: The limiting unit comprises a spring assembly 1 (18), a control plate (20), a control cylinder (21) and a locking plug rod (22); The spring assembly (18) is installed in the housing (6), two spring assemblies (18) are provided, and both spring assemblies (18) are connected to the control board (20); The control cylinder (21) is disposed on one side of the lifting portion (9), and the control cylinder (21) is located between the two control plates (20). The locking rod (22) extends into the fixing rod (23) to fix the fixing rod (23) and the T-shaped tube (24). During measurement, when the measuring belt (5) is in a horizontal state and an upward state toward the rotating column (7), the control cylinder (21) is located at the protruding portion of the control plate (20), and the locking rod (22) extends into the fixing rod (23) to fix the fixing rod (23) and the T-shaped tube (24).

6. The land area measuring device for land resources surveying and mapping according to claim 4, characterized in that: The descending mechanism comprises a bracket, a descending drill tube (26), a driving device (25), a spring assembly 2 (29) and a switch assembly C; The bracket is clamped to the movable bracket (30); the descending drill tube (26) is rotatably connected to the bracket; the driving device (25) is located in the descending drill tube (26) and is transmission-connected to the descending drill tube (26), and the driving device (25) is connected to the ascending component; the spring component 2 (29) is provided with a plurality of groups, one end of the spring component 2 (29) is connected to the bracket, and the other end of the spring component 2 (29) is connected to the movable bracket (30); The switch assembly c is mounted on the moving frame (30). When the switch assembly c is in the activated state, the clamping relationship between the bracket and the moving frame (30) is released, the moving end of the switch assembly c presses the moving wheel (31), the descending drill tube (26) is pressed against the ground under the elastic force of the second spring assembly (29), and the driving device (25) is powered on to drive the descending drill tube (26) to rotate forward.

7. A land area measuring device for land resources surveying and mapping according to claim 6, characterized in that: The switch assembly c comprises a rotating disk (32), a fixed positive and negative electrode plate 1 (33), movable positive and negative electrode plates (34), a spring 3 (35), a limit rod (36), a curved surface block (37), a pressing block (42) and a fixed positive and negative electrode plate 2 (43); The limiting rod (36) is slidably connected to the moving frame (30), the upper end of the limiting rod (36) is connected to the curved surface block (37), and the lower end of the limiting rod (36) is provided with a brake portion; the spring three (35) is sleeved on the outer side of the limiting rod (36), and the two ends of the spring three (35) are respectively connected to the curved surface block (37) and the moving frame (30); The rotating disk (32) is rotatably connected to the moving frame (30), and one end of the rotating disk (32) facing the curved surface block (37) is connected to the pressing block (42); the rotating disk (32) is rotated, and the pressing block (42) and the curved surface block (37) are in contact, driving the limit rod (36) to move downward to compress the spring three (35) until the brake part presses the moving wheel (31); Two movable positive and negative electrode plates (34) are provided, one movable positive and negative electrode plate (34) is connected to the rotating disk (32), and the other movable positive and negative electrode plate (34) is connected to the rotating column (7); the fixed positive and negative electrode plate (33) is sleeved on the outer periphery of the rotating disk (32); the fixed positive and negative electrode plate (33) is connected to the movable frame (30); the fixed positive and negative electrode plate (43) is sleeved on the outer periphery of the rotating column (7); and the fixed positive and negative electrode plate (43) is installed in the outer shell (6).

8. The land area measuring device for land resources surveying and mapping according to claim 7, characterized in that: The switch assembly a comprises a control cylinder (38), a spring four (39), a blocking block (40), a limit block (41) and a connecting rod; the discharge end of the drainage pipe assembly is connected to the control cylinder (38), and the control cylinder (38) is provided with a discharge hole; The blocking block (40) is slidably installed in the control cylinder (38); one end of the connecting rod is slidably inserted into the control cylinder (38) and connected to the blocking block (40); a spring (39) is located in the control cylinder (38) and sleeved on the outside of the connecting rod, and the two ends of the spring (39) are respectively connected to the blocking block (40) and the inner wall of the control cylinder (38). In an initial state, the blocking block (40) is located at the connection point between the control cylinder (38) and the discharge end of the drain pipe assembly, and the other end of the connecting rod is connected to the limit block (41); the limit block (41) is fitted into a groove on the outer peripheral surface of the rotating disk (32); The rotating disk (32) is rotated, and the limiting block (41) is moved out of the groove to push the connecting rod and the blocking block (40) to move, and the spring four (39) is stretched; the water in the drainage pipe assembly enters the control cylinder (38) and is discharged from the drainage hole.

9. The land area measuring device for land resources surveying and mapping according to claim 7, characterized in that: It also includes a water outlet head (17); the water outlet head (17) is connected to the drainage hole, and the liquid outlet direction of the water outlet head (17) is toward the descending drill tube (26).

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