A land area measuring device for land resources surveying and mapping

Abstract

The invention discloses a land area measuring device for land and resources surveying and mapping, and belongs to the technical field of land and resources surveying and mapping. A land area measuring device for land and resources surveying and mapping comprises a base, a moving assembly is arranged on the inner wall of the base, the moving assembly can drive the base to move, a storage box is connected and fixed to the top of the base, a winding rod is rotatably connected to the top of the storage box, the other end of the measuring ruler passes through the inner wall of the storage box and extends to the outside and is connected to a positioning rod, a transmission assembly is rotatably connected to the rear inner wall of the storage box, a guide assembly is rotatably connected to the left inner wall of the storage box, the transmission assembly plays a role of driving the guide assembly, and the guide assembly plays a role of guiding the measuring ruler to be evenly wound, the rear inner wall of the storage box is rotatably connected to the transmission assembly, the left inner wall of the storage box is rotatably connected to the guide assembly, the transmission assembly plays a role of driving the guide assembly, and the guide assembly plays a role of guiding the measuring ruler to be evenly wound.

Description

Technical Field

[0001] The present invention relates to the technical field of land and resources surveying and mapping, and more specifically, to a land area measuring device for land and resources surveying and mapping. Background Art

[0002] The measurement of national land resource area has a wide range of uses, especially the farmland area. The farmland area is one of the most basic data in agricultural production management. The size of the farmland area directly determines the input of production materials such as seeds, fertilizers, and pesticides. It is also the main basis for calculating working hours and charges for field operations of agricultural machinery. Traditional land area measurement devices have complex structures, poor ease of use and convenience, and when encountering fields with irregular terrain, the measurement is inaccurate, inconvenient to adjust, single function, low efficiency, long time consumption, and low practicality.

[0003] When measuring the land, a measuring device is needed. The prior art CN212931301U discloses a land area measuring device for land resources surveying and mapping. By providing a bearing, it can rotate in multiple directions, making measurement more convenient. The measuring ruler is released for measurement by rotating the rotating shaft through a rocker. The structure is simple and convenient for release and retraction. An adjustment hole is provided, and the height of the surveying rod is adjusted through an adjustment plate. When encountering fields with irregular terrain, the measurement is more accurate and convenient for adjustment, thereby improving efficiency and practicality.

[0004] However, the device still has the disadvantage that, when in use, the device is not convenient for evenly rolling up the measuring ruler, which causes the measuring ruler to be easily folded, resulting in a reduction in the service life of the measuring ruler. At the same time, the device is not convenient for fixing the roller, which causes the measuring ruler to be easily pulled out too much, affecting the measurement accuracy. In view of this, we propose a land area measurement device for land and resources surveying and mapping. Summary of the invention

[0005] 1. Technical issues to be solved

[0006] The purpose of the present invention is to provide a land area measuring device for land resources surveying and mapping to solve the problems raised in the above-mentioned background technology.

[0007] 2. Technical solution

[0008] A land area measuring device for land resources surveying and mapping comprises a base, wherein a moving component is arranged on the inner wall of the base, and the moving component can drive the base to move;

[0009] A storage box is fixedly connected to the top of the base, a winding rod is rotatably connected to the top of the storage box, a measuring ruler is wound around the outer wall of the winding rod, and the other end of the measuring ruler passes through the inner wall of the storage box and extends to the outside and is connected to a positioning rod;

[0010] The rear inner wall of the storage box is rotatably connected with a transmission assembly, and the left inner wall of the storage box is rotatably connected with a guide assembly. The transmission assembly drives the guide assembly, and the guide assembly guides the measuring ruler to be evenly rolled up.

[0011] Preferably, a cavity is opened inside the base, and an annular frame is slidably fitted in the cavity. The top surface of the annular frame is symmetrically structured and connected and fixed with two pedals, and the pedals extend through the cavity to the outside. The bottom surface of the annular frame is connected and fixed with at least one insertion rod, and the outer wall of the outer end of the insertion rod extends through the inner wall of the cavity to the lower part, and the bottom surface of the annular frame is connected and fixed with at least one spring.

[0012] Preferably, the moving assembly includes a driving wheel, a handle is connected and fixed to the top of the driving wheel, the outer wall of the handle extends through the inner wall of the base to the top, a plurality of driven wheels are meshed on the outer side of the driving wheel, and the driven wheels are connected and fixed to the inner wall of the base through a connecting rod.

[0013] Preferably, a threaded rod is threadedly connected through the middle of the driven wheel, and a rectangular rod is connected and fixed to the top surface of the threaded rod;

[0014] The inner wall of the base is provided with a plurality of limiting holes, the inner walls of the limiting holes are slidably matched with the outer wall of the rectangular rod, and the lower end of the threaded rod is connected and fixed with a universal wheel.

[0015] Preferably, a slide groove is provided through the left end of the storage box, a guide block is slidably fitted on the inner wall of the slide groove, and the upper inner wall of the guide block is slidably fitted on the outer wall of the measuring ruler.

[0016] Preferably, the outer wall of the winding rod passes through the inner wall of the storage box, extends to the upper part and passes through the turntable, the bottom surface of the turntable is connected and fixed with an electric push rod, and the lower end of the electric push rod is connected and fixed with a limit rod;

[0017] A plurality of positioning holes are provided on the top surface of the storage box, located outside the limiting rod, and the inner walls of the positioning holes are movably plugged with the outer wall of the limiting rod.

[0018] Preferably, the guide assembly comprises a guide ring, one end of which is rotatably connected to the inner wall of the storage box via a pin;

[0019] The end surface of the guide block located in the storage box is connected and fixed with a guide head, and the outer wall of the guide head is slidably matched with the inner wall of the guide ring.

[0020] Preferably, the transmission assembly comprises a worm gear, and the worm gear is rotationally connected to the inner wall of the storage box via a pin;

[0021] A worm is sleeved and fixed on the outer wall of the upper part of the winding rod located inside the upper end of the storage box, and the worm is meshed with the worm wheel for transmission.

[0022] Preferably, the transmission assembly further comprises an adjustment frame, the inner wall of the adjustment frame is slidably matched with the outer wall of the shifting rod fixedly connected to the worm gear.

[0023] Preferably, one end of the adjustment frame is connected and fixed with a rack, and the outer wall of the lower end of the rack passes through the inner wall of the upper end of the storage box and extends to the middle;

[0024] The outer wall of one end of the guide ring connected to and fixed with a pin shaft is sleeved and fixed with a gear, and the gear is meshed with the rack for transmission.

[0025] 3. Beneficial effects

[0026] Compared with the prior art, the advantages of the present invention are:

[0027] 1. By setting the guide assembly, driven by the transmission assembly, the measuring ruler can be evenly wound on the winding rod when it is retracted, thereby avoiding repeated winding of the measuring ruler at one position, which affects the service life of the measuring ruler.

[0028] 2. By setting a limit rod, the winding rod can be limited and fixed when the measuring ruler stops being pulled out, so as to avoid the measurement error caused by the winding rod continuing to rotate, thereby improving the measurement accuracy of the device.

[0029] 3. By setting up mobile components, the device does not need to be carried manually, which reduces labor. At the same time, when fixing, the universal wheel can be retracted into the base to make the fixation more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the front side of the overall structure of the present invention;

[0031] Figure 2 It is a partial cross-sectional schematic diagram of the front side of the overall structure of the present invention;

[0032] Figure 3 It is a partial cross-sectional schematic diagram of the front side of the internal structure of the base of the present invention;

[0033] Figure 4 It is a schematic diagram of the front side of the moving assembly structure of the present invention;

[0034] Figure 5 It is a partial cross-sectional schematic diagram of the front side of some structures of the present invention;

[0035] Figure 6 It is a schematic diagram of the rear side of a partial structure of the present invention;

[0036] Explanation of the numbers in the figure: 1. base; 2. moving component; 3. storage box; 4. winding rod; 5. measuring ruler; 6. positioning rod; 7. transmission component; 8. guide component; 101. ring frame; 102. pedal; 103. plug rod; 104. spring; 105. limit hole; 201. driving wheel; 202. driven wheel; 203. connecting rod; 204. threaded rod; 205. rectangular rod; 301. slide groove; 302. guide block; 303. positioning hole; 304. guide head; 401. turntable; 402. electric push rod; 403. limit rod; 404. worm; 801. guide ring; 802. gear; 701. worm wheel; 702. adjustment frame; 703. lever; 704. rack. DETAILED DESCRIPTION

[0037] Please refer to Figures 1-6, the present invention provides a technical solution:

[0038] A land area measuring device for land resources surveying and mapping comprises a base 1, wherein a moving component 2 is arranged on the inner wall of the base 1, and the moving component 2 can drive the base 1 to move;

[0039] A storage box 3 is connected and fixed to the top of the base 1, a winding rod 4 is rotatably connected to the top of the storage box 3, a measuring ruler 5 is wound around the outer wall of the winding rod 4, and the other end of the measuring ruler 5 passes through the inner wall of the storage box 3 and extends to the outside and is connected to a positioning rod 6;

[0040] The rear inner wall of the storage box 3 is rotatably connected to a transmission assembly 7, and the left inner wall of the storage box 3 is rotatably connected to a guide assembly 8. The transmission assembly 7 drives the guide assembly 8, and the guide assembly 8 guides the measuring ruler 5 to be evenly rolled up.

[0041] Specifically, a cavity is opened inside the base 1, and a ring frame 101 is slidably fitted in the cavity. The top surface of the ring frame 101 is symmetrically structured and connected and fixed with two pedals 102. The pedals 102 extend through the cavity to the outside. At least one insertion rod 103 is connected and fixed to the bottom surface of the ring frame 101. The outer wall of the outer end of the insertion rod 103 extends through the inner wall of the cavity to the lower part. At least one spring 104 is connected and fixed to the bottom surface of the ring frame 101.

[0042] In this embodiment, the spring 104 supports the annular frame 101 so that the insertion rod 103 can be retracted into the cavity when not in use.

[0043] Furthermore, the moving component 2 includes a driving wheel 201, a handle is connected and fixed to the top of the driving wheel 201, the outer wall of the handle extends through the inner wall of the base 1 to the top, and a plurality of driven wheels 202 are meshed on the outer side of the driving wheel 201, and the driven wheels 202 are connected and fixed to the inner wall of the base 1 through a connecting rod 203.

[0044] Furthermore, a threaded rod 204 is threadedly connected through the middle of the driven wheel 202, and a rectangular rod 205 is fixedly connected to the top surface of the threaded rod 204;

[0045] The inner wall of the base 1 is provided with a plurality of limiting holes 105 , the inner wall of the limiting holes 105 is slidably matched with the outer wall of the rectangular rod 205 , and the lower end of the threaded rod 204 is connected and fixed with a universal wheel.

[0046] Furthermore, a slide groove 301 is formed through the left end of the storage box 3 , and a guide block 302 is slidably matched with the inner wall of the slide groove 301 , and the upper inner wall of the guide block 302 is slidably matched with the outer wall of the measuring ruler 5 .

[0047] In this embodiment, the guide block 302 serves to guide the measuring ruler 5 .

[0048] Furthermore, the outer wall of the winding rod 4 passes through the inner wall of the storage box 3 and extends to the upper part and passes through the turntable 401. The bottom surface of the turntable 401 is connected and fixed with an electric push rod 402, and the lower end of the electric push rod 402 is connected and fixed with a limit rod 403;

[0049] A plurality of positioning holes 303 are provided on the top surface of the storage box 3 outside the limiting rod 403 , and the inner walls of the positioning holes 303 are movably plugged with the outer walls of the limiting rod 403 .

[0050] In this embodiment, the limiting rod 403 and the positioning hole 303 realize the fixing function of the winding rod 4 .

[0051] Furthermore, the guide assembly 8 includes a guide ring 801, one end of which is rotatably connected to the inner wall of the storage box 3 through a pin;

[0052] The end surface of the guide block 302 located in the storage box 3 is connected and fixed with a guide head 304 , and the outer wall of the guide head 304 is slidably matched with the inner wall of the guide ring 801 .

[0053] In this embodiment, the guide assembly 8 realizes the reciprocating movement of the guide block 302, so that the measuring ruler 5 can be rolled up evenly.

[0054] It is worth noting that the transmission assembly 7 includes a worm gear 701, which is rotatably connected to the inner wall of the storage box 3 via a pin;

[0055] A worm 404 is sleeved and fixed on the outer wall of the upper part of the winding rod 4 located inside the upper end of the storage box 3 , and the worm 404 is meshed with the worm wheel 701 for transmission.

[0056] In this embodiment, the transmission assembly 7 realizes linkage.

[0057] It is worth noting that the transmission assembly 7 further includes an adjustment frame 702 , the inner wall of the adjustment frame 702 is slidably matched with the outer wall of the lever 703 fixedly connected to the worm gear 701 .

[0058] In this embodiment, the lever 703 is located on the outer circumference of the worm gear 701 .

[0059] In addition, one end of the adjustment frame 702 is connected and fixed with a rack 704, and the outer wall of the lower end of the rack 704 passes through the inner wall of the upper end of the storage box 3 and extends to the middle;

[0060] The outer wall of one end of the guide ring 801 connected to and fixed with a pin shaft is sleeved and fixed with a gear 802 , and the gear 802 is meshed with the rack 704 for transmission.

[0061] When it is necessary to measure the land area, the device can be used. First, the device can be moved. The universal wheel can be used to move the device to the required position and then fixed. The handle is turned to drive the driving wheel 201 to rotate, so that the driving wheel 201 drives the driven wheel 202 to rotate, and then the driven wheel 202 drives the threaded rod 204. Since the rectangular rod 205 connected to the threaded rod 204 is limited by the limiting hole 105, the threaded rod 204 is driven by the driven wheel 202 to move upward, so that the universal wheel is retracted into the base 1, so that the base 1 is in contact with the ground, and then the feet can be stepped on the pedal 102, so that the insertion rod 103 connected to the annular frame 101 can be inserted into the soil for fixation;

[0062] Then the positioning rod 6 can be pulled to drive the measuring ruler 5. When the measuring ruler 5 reaches the appropriate position, the electric push rod 402 can be used to drive the limiting rod 403 to be inserted into the positioning hole 303 to fix the winding rod 4. Then the positioning rod 6 can be inserted into the appropriate position to record the data of the measuring ruler 5. Then the positioning rod 6 can be pulled out to move the limiting rod 403 out of the positioning hole 303.

[0063] Then the winding rod 4 can be rotated so that the winding rod 4 will retract the measuring ruler 5 into the storage box 3. At this time, the worm 404 on the winding rod 4 will drive the worm wheel 701 to rotate, thereby driving the lever 703 connected to the outer circle to drive the adjustment frame 702 to move up and down reciprocatingly, and then drive the rack 704 to move up and down, thereby driving the guide ring 801 connected to the gear 802 to achieve reciprocating swing, thereby driving the guide block 302 connected to the guide head 304 to move back and forth in the slide groove 301, so that the measuring ruler 5 can be evenly wound on the winding rod 4.

Claims

1. A land area measuring device for land resources surveying and mapping, comprising a base (1), characterized in that: A moving component (2) is provided on the inner wall of the base (1), and the moving component (2) is capable of driving the base (1) to move; The top of the base (1) is connected and fixed with a storage box (3), the top of the storage box (3) is penetrated by a winding rod (4) which is rotatably connected, the outer wall of the winding rod (4) is wound with a measuring ruler (5), and the other end of the measuring ruler (5) passes through the inner wall of the storage box (3) and extends to the outside and is connected to a positioning rod (6); The rear inner wall of the storage box (3) is rotatably connected to a transmission assembly (7), and the left inner wall of the storage box (3) is rotatably connected to a guide assembly (8), the transmission assembly (7) plays a role in driving the guide assembly (8), and the guide assembly (8) plays a role in guiding the measuring ruler (5) to be evenly rolled up; A slide groove (301) is provided through the left end of the storage box (3), a guide block (302) is slidably engaged with the inner wall of the slide groove (301), and the upper inner wall of the guide block (302) is slidably engaged with the outer wall of the measuring ruler (5); The guide assembly (8) comprises a guide ring (801), one end of which is rotatably connected to the inner wall of the storage box (3) via a pin; The end surface of the guide block (302) located in the storage box (3) is connected and fixed with a guide head (304), and the outer wall of the guide head (304) is slidably matched with the inner wall of the guide ring (801); The transmission assembly (7) comprises a worm wheel (701), and the worm wheel (701) is rotatably connected to the inner wall of the storage box (3) via a pin; The upper part of the winding rod (4) is located inside the upper end of the storage box (3), and a worm (404) is sleeved and fixed on the outer wall, and the worm (404) is meshed with the worm wheel (701) for transmission; The transmission assembly (7) further comprises an adjustment frame (702), the inner wall of the adjustment frame (702) being slidably matched with the outer wall of a lever (703) connected and fixed to the worm gear (701); One end of the adjustment frame (702) is connected and fixed with a rack (704), and the outer wall of the lower end of the rack (704) passes through the inner wall of the upper end of the storage box (3) and extends to the middle; The outer wall of one end of the guide ring (801) connected to and fixed with a pin shaft is sleeved and fixed with a gear (802), and the gear (802) is meshed with the rack (704) for transmission.

2. The land area measuring device for land resources surveying and mapping according to claim 1, characterized in that: A cavity is provided inside the base (1), and an annular frame (101) is slidably fitted in the cavity. The top surface of the annular frame (101) is symmetrically structured and connected to and fixed with two pedals (102). The pedals (102) extend through the cavity to the outside. The bottom surface of the annular frame (101) is connected to and fixed with at least one insertion rod (103). The outer wall of the outer end of the insertion rod (103) passes through the inner wall of the cavity and extends to the lower part. The bottom surface of the annular frame (101) is connected to and fixed with at least one spring (104).

3. The land area measuring device for land resources surveying and mapping according to claim 1 is characterized in that: The moving assembly (2) comprises a driving wheel (201), a handle being connected and fixed to the top of the driving wheel (201), the outer wall of the handle passing through the inner wall of the base (1) and extending to the top, a plurality of driven wheels (202) being meshed on the outer side of the driving wheel (201), and the driven wheels (202) being connected and fixed to the inner wall of the base (1) via connecting rods (203).

4. The land area measuring device for land resources surveying and mapping according to claim 3 is characterized in that: A threaded rod (204) is threadedly connected through the middle of the driven wheel (202), and a rectangular rod (205) is fixedly connected to the top surface of the threaded rod (204); The inner wall of the base (1) is provided with a plurality of limiting holes (105), the inner walls of the limiting holes (105) are slidably matched with the outer walls of the rectangular rods (205), and the lower ends of the threaded rods (204) are connected and fixed with universal wheels.

5. The land area measuring device for land resources surveying and mapping according to claim 1, characterized in that: The outer wall of the winding rod (4) passes through the inner wall of the storage box (3) and extends to the upper part and passes through the rotating disk (401); the bottom surface of the rotating disk (401) is connected and fixed with an electric push rod (402); the lower end of the electric push rod (402) is connected and fixed with a limit rod (403); A plurality of positioning holes (303) are provided on the top surface of the storage box (3) and located outside the limiting rod (403); the inner walls of the positioning holes (303) are movably plugged into the outer wall of the limiting rod (403).

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