Surveying and mapping device for land investigation

Abstract

The invention discloses a surveying and mapping device for land investigation, and relates to the technical field of land surveying and mapping. Comprising a surveying and mapping handpiece, an anchor point limiting piece is installed at the bottom of the surveying and mapping handpiece, and the anchor point limiting piece is used for being attached to the edge of a surveying and mapping position; a telescopic extension piece is mounted on the surveying and mapping handheld piece and is used for limiting a surveying and mapping station; a vertical connecting piece is mounted on the telescopic extension piece; the vertical connecting piece is used for detecting clamping stagnation; a rotary plumb piece is mounted on the plumb connecting piece; the using safety of the structure can be improved through the anchor point limiting pieces, and the situation that workers stand too close to the edge of the precipice can be avoided; the problems that an existing surveying and mapping plumb for territorial survey is not convenient to automatically limit surveying and mapping stations, is not convenient to automatically control for early warning and clamping stagnation prevention, and is automatically separated during clamping stagnation are solved.

Description

Technical Field

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

[0002] Land survey and mapping work is an important foundation for national natural resource management. In actual surveying and mapping work, cliff mapping is a common surveying scene. Due to its particularity, traditional measuring rulers are difficult to accurately map and require the use of plumb lines. Cliffs often have hidden dangers of geological disasters such as landslides and collapses, and stability needs to be evaluated through displacement monitoring, crack analysis and other means. The current land survey and mapping plumb lines are not convenient for automatic mapping station position restrictions. Mapping too close to the cliff is very dangerous, and it is not convenient for automatic control to prevent illegal operations. At the same time, the plumb line is easily stuck by rocks or trees when the staff operates the surveying and mapping, and it is not convenient to automatically control the plumb line to warn against jamming, and automatically detach when stuck, which easily increases the cost of use. At the same time, the plumb line is prone to radial twisting during the surveying process, and it is difficult for staff to check the cliff landslide situation at one time.

[0003] To this end, we propose a surveying and mapping device for land survey. Summary of the Invention

[0004] The purpose of the present invention is to provide a surveying and mapping device for land surveys, so as to solve the problems raised in the above-mentioned background technology that the current land surveying plumb line is not convenient for automatically limiting the surveying station position, is not convenient for automatically controlling the plumb line to warn against jamming, and automatically disengages when stuck.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a surveying and mapping device for land survey, comprising a surveying and mapping handpiece, wherein an anchor point limiter is installed at the bottom of the surveying and mapping handpiece, and the anchor point limiter is used to fit the edge of the surveying and mapping position; a telescopic extension is installed on the surveying and mapping handpiece, and the telescopic extension is used to limit the surveying and mapping station position;

[0006] A plumb connecting piece is installed on the telescopic extension piece; the plumb connecting piece is used to detect sticking; a swivel plumb piece is installed on the plumb connecting piece; the swivel plumb piece is used for swivel distance measurement;

[0007] A protective member is installed on the rotary plumb member; a positioning member is installed on the rotary plumb member, and the positioning member is used to position the protective member;

[0008] The surveying and mapping handpiece comprises a handheld tube and a guide groove, wherein the handheld tube is provided with the guide groove.

[0009] Preferably, a positioning bolt is threadedly connected to the hand-held tube through a bracket; and a hand wheel is provided on the positioning bolt.

[0010] Preferably, the anchor point limiting component includes: a limiting right-angle plate, which is fixedly installed on the front end of the hand-held tube; the limiting right-angle plate is a right-angle bending structure; a sliding mounting shell is fixedly installed on the bottom of the limiting right-angle plate; a plug-in shaft is slidably plugged into the sliding mounting shell, and a power switch is fixedly installed at the tail of the plug-in shaft; the power switch is located on the inner side of the sliding mounting shell; a spring is sleeved on the inner side of the sliding mounting shell, and the spring inside the sliding mounting shell is located between the plug-in shaft and the limiting right-angle plate; the plug-in shaft; an anti-sinking plate is fixedly installed on the plug-in shaft.

[0011] Preferably, the telescopic extension member includes: a telescopic tube, which is slidably sleeved on the hand-held tube; the positioning bolt is used to squeeze the telescopic tube; a raised column is provided on the telescopic tube, and the raised column on the telescopic tube is located on the inner side of the guide groove; a connecting tube is fixedly installed on the tail of the telescopic tube; a hand-held switch is fixedly installed on the connecting tube; a horizontal bubble is fixedly installed on the side of the connecting tube; a wire-holding electromagnet is fixedly installed on the connecting tube; a spring friction column is slidably inserted on the connecting tube, and the spring friction column is provided with a through hole aligned with the inner hole of the telescopic tube; the spring friction column passes through the connecting tube; a spring is sleeved on the inner side of the connecting tube, and the spring on the inner side of the connecting tube is located between the wire-holding electromagnet and the spring friction column; a V-shaped plate is fixedly installed on the front end of the telescopic tube by bolts.

[0012] Preferably, the plumb connecting member includes: a plumb rope, which is sleeved on the telescopic tube and the connecting tube; the plumb rope passes through the spring friction column; a pulling column is fixedly installed on the end of the plumb rope; a stuck switch is fixedly installed on the bottom of the pulling column; and a scale line is provided on the plumb rope.

[0013] Preferably, the vertical connecting member also includes: a rotary motor, a spring for preventing accidental touch is slidably sleeved on the pulling column; a rotating mounting block is slidably sleeved on the pulling column; the spring for preventing accidental touch is located on the inner side of the rotating mounting block; the spring for preventing accidental touch is used to push the stuck switch on the pulling column to squeeze and fit the inner side of the rotating mounting block; the rotary motor is fixedly mounted on the bottom of the rotating mounting block.

[0014] Preferably, the rotary plumb member includes: a rotary plumb sleeve and a laser ranging sensor, the rotary plumb sleeve is rotatably connected to the rotating mounting block; the output shaft of the rotary motor is connected to the rotary plumb sleeve; a positioning laser light is fixedly mounted on the rotary plumb sleeve, and the positioning laser light is used to irradiate the V-shaped plate; the laser ranging sensor is fixedly mounted on the side of the rotary plumb sleeve, and the laser ranging sensor is externally connected to a display.

[0015] Preferably, the rotary plumb member also includes: a ball head counterweight shaft, a ball head is provided on the ball head counterweight shaft; a spherical groove is provided at the bottom of the rotary plumb sleeve; the ball head counterweight shaft is sleeved in the spherical groove at the bottom of the rotary plumb sleeve, and the bottom of the ball head counterweight shaft is a spherical counterweight structure; the bottom of the rotary plumb sleeve is threaded with a cone head, and a vertical spring clip is fixedly installed on the inner side of the cone head, and the vertical spring clip is attached to the bottom of the ball head counterweight shaft; the ball head counterweight shaft, vertical spring clip, power switch, handheld switch and wire-locking electromagnet are connected in series.

[0016] Preferably, the protective member comprises: a protective tube, which is sleeved on the rotary plumb sleeve; a protective frame is fixedly mounted on the protective tube; and the outer diameter of the protective frame is larger than that of the rotary plumb sleeve.

[0017] Preferably, the positioning part includes: a positioning electromagnet, which is fixedly mounted on the inner side of a rotary plumb sleeve; a positioning pin is slidably inserted into the rotary plumb sleeve, and the positioning pin is an iron structure; the positioning electromagnet is used to magnetically attract the positioning pin; the positioning pin is inserted into the protective tube; a spring is connected between the positioning electromagnet and the positioning pin; and the latching switch is electrically connected to the positioning electromagnet.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention adopts a telescopic extension piece in conjunction with a surveying and mapping handpiece, which can facilitate the staff to adjust the extension length according to needs and increase the flexibility of use. At the same time, the use of the anchor point limiter can improve the safety of the use of this structure, and can avoid the staff standing too close to the edge of the cliff, causing safety hazards such as falling. This structure can ensure that the staff's hands need to hold the connecting tube when actually conducting surveying and mapping work, and ensure that the anchor point limiter is at the edge of the cliff so that the surveying and mapping work can be carried out normally, otherwise the plumb line cannot be discharged unimpeded.

[0020] The use of a rotating plumb piece in conjunction with a plumb connecting piece can facilitate workers to observe the height of the cliff in real time through the plumb rope. At the same time, during actual use of this structure, the use of a positioning laser light and a laser ranging sensor can facilitate workers to understand in real time the convexity or concavity of the cliff at different heights. At the same time, this structure ensures detection accuracy. The rotatable plumb sleeve can be used to locate the measuring direction of the laser ranging sensor in conjunction with a positioning laser light; the use of a rotating plumb piece can facilitate workers to understand the situation where the rotating plumb sleeve is disturbed by wind or the rotating plumb sleeve is shaking. For example, if the rotating plumb sleeve has touched the bottom, it can be more convenient for workers to flexibly control it. Accurate perception can be achieved by pulling the plumb rope. The detection of this structure is accurate and efficient.

[0021] The use of protective parts can facilitate the protection of the structure from collision damage during actual use. When the rotating plumb sleeve is first inserted into the rocks, it is very easy to get stuck and difficult to remove. This structure can act as a stopper to reduce the risk of getting stuck. At the same time, in conjunction with the positioning parts and plumb connectors, even if the protective parts are stuck in the cracks of rocks or grass during actual use, the protective parts can be automatically controlled to detach to reduce losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a surveying and mapping device for land surveying according to the present invention;

[0023] Figure 2 This is a cross-sectional view of the internal structure of a surveying and mapping device for land surveying according to the present invention;

[0024] Figure 3 This is a schematic diagram of the bottom structure of a surveying and mapping device for land surveying according to the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of the surveying and mapping handheld device of the present invention;

[0026] Figure 5 For the present invention Figure 2 A magnified view of the structure of the middle B region;

[0027] Figure 6 For the present invention Figure 1 A magnified view of the structure of the middle C region;

[0028] Figure 7 This is a schematic diagram of the structure of the telescopic extension member of the present invention;

[0029] Figure 8 This is a schematic diagram of the protective element structure of the present invention;

[0030] Figure 9 For the present invention Figure 8 A magnified view of the structure of the middle H region;

[0031] Figure 10 For the present invention Figure 2 A magnified view of the structure of the middle G region.

[0032] Figure: 1. Surveying handpiece; 101. Hand-held tube; 1011. Guide groove; 102. Positioning bolt; 2. Anchor limiter; 201. Limiting right-angle plate; 202. Sliding mounting housing; 203. Connecting shaft; 2031. Anti-sinking plate; 204. Power switch; 3. Telescopic extension; 301. Telescopic tube; 3011. Connecting tube; 3012. V-shaped plate; 302. Hand-held switch; 303. Leveling bubble; 304. Line-locking electromagnet; 305. Spring friction column; 4. Plumb connection Parts; 401, plumb rope; 402, pulling column; 403, stuck switch; 404, anti-accidental touch spring; 405, rotating mounting block; 406, rotary motor; 5, rotary plumb part; 501, rotary plumb sleeve; 502, positioning laser light; 5021, laser ranging sensor; 503, ball head counterweight shaft; 504, cone head; 505, vertical spring piece; 6, protective part; 601, protective tube; 602, protective frame; 7, positioning part; 701, positioning electromagnet; 702, positioning pin. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] Example 1: Please refer to Figures 1 to 10 As shown:

[0035] The present invention provides a technical solution: a surveying and mapping device for land survey, including a surveying and mapping handpiece 1, an anchor point limiter 2 is installed at the bottom of the surveying and mapping handpiece 1, and the anchor point limiter 2 is used to fit the edge of the surveying and mapping position; a telescopic extension part 3 is installed on the surveying and mapping handpiece 1, and the telescopic extension part 3 is used to limit the surveying and mapping position; a plumb line connector 4 is installed on the telescopic extension part 3; the plumb line connector 4 is used to detect jamming; a rotating plumb line 5 is installed on the plumb line connector 4; the rotating plumb line 5 is used for rotational distance measurement; a protective part 6 is installed on the rotating plumb line 5; a positioning part 7 is installed on the rotating plumb line 5, and the positioning part 7 is used to position the protective part 6; the surveying and mapping handpiece 1 includes: a handheld tube 101 and a guide groove 1011, and the handheld tube 101 is provided with a guide groove 1011.

[0036] Among them, the surveying and mapping handheld device 1 also includes: a positioning bolt 102, which is threadedly connected to the handheld tube 101 through a bracket; a hand wheel is provided on the positioning bolt 102; the anchor point limiter 2 includes: a limiting right-angle plate 201, a sliding mounting shell 202, a plug-in shaft 203, an anti-sinking plate 2031 and a power switch 204, the limiting right-angle plate 201 is fixedly installed at the front end of the handheld tube 101; the limiting right-angle plate 201 is a right-angle bending structure; a sliding mounting shell 202 is fixedly installed at the bottom of the limiting right-angle plate 201; the ... The housing 202 is slidably connected with a plug shaft 203, and a power switch 204 is fixedly installed at the tail of the plug shaft 203; the power switch 204 is located inside the sliding housing 202; a spring is sleeved on the inside of the sliding housing 202, and the spring inside the sliding housing 202 is located between the plug shaft 203 and the limiting right-angle plate 201; the plug shaft 203; an anti-sinking plate 2031 is fixedly installed on the plug shaft 203; when the cliff wall is soft, the anti-sinking plate 2031 can fit the cliff wall to limit the insertion of the plug shaft 203 into the cliff wall. The telescopic extension member 3 includes: a telescopic tube 301, a connecting tube 3011, a V-shaped plate 3012, a handheld switch 302, a horizontal bubble 303, a wire clamping electromagnet 304 and a spring friction column 305. The telescopic tube 301 is slidably sleeved on the handheld tube 101; the positioning bolt 102 is used to squeeze the telescopic tube 301; a raised column is provided on the telescopic tube 301, and the raised column on the telescopic tube 301 is located inside the guide groove 1011; a connecting tube 3011 is fixedly installed at the tail of the telescopic tube 301; the connecting tube 3011 A handheld switch 302 is fixedly mounted on the top; a horizontal water bubble 303 is fixedly mounted on the side of the connecting tube 3011; a wire-holding electromagnet 304 is fixedly mounted on the connecting tube 3011; a spring friction column 305 is slidably inserted into the connecting tube 3011, and the spring friction column 305 is provided with a through hole aligned with the inner hole of the telescopic tube 301; the spring friction column 305 passes through the connecting tube 3011; a spring is sleeved on the inside of the connecting tube 3011, and the spring inside the connecting tube 3011 is located between the wire-holding electromagnet 304 and the spring friction column 305;A V-shaped plate 3012 is bolted to the front end of the telescopic tube 301. The telescopic extension piece 3, combined with the surveying handpiece 1, allows workers to adjust the extension length as needed, increasing flexibility. The anchor limiter 2 also improves safety, preventing workers from standing too close to the cliff edge and potentially falling. During surveying, the structure ensures that workers must hold the connecting tube 3011 and the anchor limiter 2 is at the cliff edge. Otherwise, the plumb line 401 cannot be unimpeded. This structure improves safety, restricting workers' positions without affecting surveying accuracy, making it more practical. The length of the handpiece 101 limits workers' positions. When in use, workers also need to insert the splice shaft 203 into the outer edge of the cliff. The splice shaft 201 can be locked against the cliff edge. When the worker pulls back the telescopic tube 301, the splice shaft 203 is inserted into or abuts the cliff edge, allowing the plumb line 401 to be smoothly retracted and released.

[0037] Among them, the plumb connecting member 4 includes: a plumb rope 401, a pulling column 402 and a stuck switch 403, the plumb rope 401 is sleeved on the telescopic tube 301 and the connecting tube 3011; the plumb rope 401 passes through the spring friction column 305; the pulling column 402 is fixedly installed on the end of the plumb rope 401; the stuck switch 403 is fixedly installed on the bottom of the pulling column 402; a scale line is provided on the plumb rope 401; the plumb connecting member 4 also includes: an anti-accidental touch spring 404, a rotating mounting block 405 and a rotary motor 406, the pulling column 402 is slidably sleeved with an anti-accidental touch spring 404; the pulling column 402 is slidably sleeved with a rotating mounting block 405; the anti-accidental touch spring The false touch spring 404 is located on the inner side of the rotating mounting block 405; the false touch prevention spring 404 is used to push the stuck switch 403 on the pulling column 402 to squeeze and fit the inner side of the rotating mounting block 405; the rotary motor 406 is fixedly mounted on the bottom of the rotating mounting block 405; the rotary plumb part 5 includes: a rotary plumb sleeve 501, a positioning laser light 502 and a laser ranging sensor 5021, and the existing RWRFB1-5 laser ranging sensor 5021 and its matching display can be used, the rotary plumb sleeve 501 is rotatably sleeved on the rotating mounting block 405; the output shaft of the rotary motor 406 is connected to the rotary plumb sleeve 501; the rotary plumb sleeve A positioning laser light 502 is fixedly installed on 501, and the positioning laser light 502 is used to illuminate the V-shaped plate 3012; a laser distance measuring sensor 5021 is fixedly installed on the side of the rotary plumb sleeve 501, and the laser distance measuring sensor 5021 is externally connected to a display; the rotary plumb piece 5 is used in conjunction with the plumb connecting piece 4, so that the staff can observe the height of the cliff in real time through the plumb rope 401. At the same time, in the actual use process of this structure, the positioning laser light 502 and the laser distance measuring sensor 5021 can be used to facilitate the staff to understand the convexity or concavity of the cliff at different heights in real time. At the same time, this structure ensures detection accuracy and is convenient for workers to observe the height of the cliff in real time. The rotatable rotary plumb sleeve 501, in conjunction with the positioning laser light 502, can be used to locate the measuring direction of the laser ranging sensor 5021. This structure can avoid the problem of difficulty in ensuring that it does not rotate radially when the plumb line is suspended. The present structure directly controls the rotation measurement, which is more reasonable and can provide a more comprehensive understanding of the cliff situation. At the same time, the detection accuracy is accurate. When the positioning laser light 502 is rotated to align with the V-shaped plate 3012, the bottom of the V-shaped plate 3012 can map the laser point of the positioning laser light 502. At this time, it is ensured that the laser ranging sensor 5021 opposite the positioning laser light 502 can measure its distance from the cliff.

[0038] The rotary plumb member 5 also includes: a ball head counterweight shaft 503, a cone head 504 and a vertical spring piece 505, the ball head counterweight shaft 503 is provided with a ball head; a spherical groove is provided at the bottom of the rotary plumb sleeve 501; the ball head counterweight shaft 503 is sleeved in the spherical groove at the bottom of the rotary plumb sleeve 501, and the bottom of the ball head counterweight shaft 503 is a spherical counterweight structure; the bottom of the rotary plumb sleeve 501 is threadedly connected to the cone head 504, and the vertical spring piece 505 is fixedly installed on the inner side of the cone head 504, and the vertical spring piece 505 is attached to the bottom of the ball head counterweight shaft 503; the ball head counterweight shaft 503, the vertical spring piece 505, the power switch 2 04. The handheld switch 302 and the line-holding electromagnet 304 are connected in series. The use of the rotating plumb part 5 can make it easier for the staff to understand whether the rotating plumb sleeve 501 is disturbed by wind or the rotating plumb sleeve 501 is shaking. For example, the rotating plumb sleeve 501 has touched the bottom, which can be more convenient for the staff to flexibly control. By pulling the plumb rope 401, it can be accurately sensed. The detection of this structure is accurate and efficient. When the rotating plumb sleeve 501 shakes, the vertical spring piece 505 will be offset from the ball head counterweight shaft 503 and no longer fit. At this time, the line-holding electromagnet 304 can be powered off again, and the staff can quickly know.

[0039] Embodiment 2, on the basis of embodiment 1, the protective member 6 includes: a protective tube 601 and a protective frame 602, the protective tube 601 is sleeved on the rotary plumb sleeve 501; the protective frame 602 is fixedly mounted on the protective tube 601; the outer diameter of the protective frame 602 is larger than the rotary plumb sleeve 501; the positioning member 7 includes: a positioning electromagnet 701 and a positioning pin 702, the positioning electromagnet 701 is fixedly mounted on the inner side of the rotary plumb sleeve 501; the positioning pin 702 is slidably plugged into the rotary plumb sleeve 501, and the positioning pin 702 is an iron structure; the positioning electromagnet 701 is used to magnetically attract the positioning pin 702; the positioning pin 702 is plugged into the protective tube 601; the positioning electromagnet 701 and the positioning pin 70 2 is connected with a spring; the stuck switch 403 is electrically connected to the positioning electromagnet 701, and the use of the protective member 6 can facilitate the protection of the present structure from collision damage during actual use. At the same time, the use of the protective member 6 can reduce the problem that due to factors such as rocks on the ground, when the rotary plumb sleeve 501 is first inserted into the rocks, it is very easy to cause jamming and is difficult to remove. The present structure can play a role of stopping and reduce the risk of jamming. At the same time, in conjunction with the positioning member 7 and the plumb connector 4, even if the protective member 6 is stuck in the cracks of the rocks or in the grass during actual use, the protective member 6 can be automatically controlled to disengage, reducing losses, and the rotary plumb member 5 can be completely recovered, which can reduce the cost loss caused by only the protective member 6 being stuck.

[0040] The working principle of this embodiment is as follows: first, slide the telescopic tube 301 on the hand-held tube 101 to adjust the extended length, and tighten the positioning bolt 102 to position the telescopic tube 301. It is necessary to manually hold the connecting tube 3011, press the hand-held switch 302 with your hand, keep the horizontal bubble 303 horizontal, and then use the length of the hand-held tube 101 to limit the position of the staff. When using it, the staff also needs to use the plug-in shaft 203 to insert the outer edge of the cliff, and use the limiting right-angle plate 201 to get stuck on the edge of the cliff. When the staff pulls back the telescopic tube 301, the plug-in shaft 203 is inserted or stuck against the edge of the cliff and is stuck. At this time, the limiting right-angle plate 201 can be driven to move, squeezing the spring on the rear side of the plug-in shaft 203 and then squeezing the power switch 20 4. At this time, the line-locking electromagnet 304 will magnetically attract the spring friction column 305. At this time, the spring friction column 305 is provided with a through hole aligned with the inner hole of the telescopic tube 301, and the plumb line 401 can be smoothly retracted and released. On the contrary, if the hand-held switch 302 is no longer squeezed by the staff, or the plug-in shaft 203 fails to accurately rest against the edge of the cliff, it proves that there is a hidden danger. At this time, the line-locking electromagnet 304 is powered off and no longer magnetically attracts the spring friction column 305. Under the pressure of the spring on the spring friction column 305, the spring friction column 305 will be pressed down, and the friction force is used to increase the resistance to the movement of the plumb line 401. In this way, the plumb line 401 cannot be driven by the plumb line to move in the telescopic tube 301. When the plumb line 401 is lowered, it can be retracted and released by returning to the original position. The plumb member 5 is pulled downward, and during the process, the rotary motor 406 can drive the rotary plumb sleeve 501 to rotate. At this time, the rotary plumb sleeve 501 can drive the positioning laser light 502 and the laser ranging sensor 5021 to rotate together, and keep the alignment telescopic tube 301 perpendicular to the cliff surface. At this time, when the positioning laser light 502 is rotated to align with the V-shaped plate 3012, the bottom of the V-shaped plate 3012 can map the laser point of the positioning laser light 502. At this time, it is guaranteed that the laser ranging sensor 5021 opposite the positioning laser light 502 can measure the distance between it and the cliff, so as to achieve the position accuracy of the laser ranging sensor 5021. Regardless of whether it is due to wind force or the natural tilting of the rotary plumb sleeve 501 after touching the bottom, as long as the rotary plumb sleeve 501 is rotated, the positioning laser light 502 can be aligned with the V-shaped plate 3012. When the vertical sleeve 501 shakes, the ball head counterweight shaft 503 will remain relatively vertical under the action of its own center of gravity. At this time, the vertical spring piece 505 will be offset from the ball head counterweight shaft 503 and no longer fit. At this time, the line-locking electromagnet 304 can be powered off again, and the staff can quickly know it; once the protective part 6 is stuck, when the plumb rope 401 is pulled, the pulling column 402 will be pulled to compress the anti-accidental touch spring 404. At this time, the stuck switch 403 will no longer be squeezed by the inside of the rotating mounting block 405. At this time, the positioning electromagnet 701 will magnetically attract the positioning pin 702, and the positioning pin 702 can retreat. The limit protection tube 601 is released, and the rotating plumb sleeve 501 will slip off the protective tube 601 and be recovered independently.

[0041] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0042] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A surveying and mapping device for land survey, comprising a surveying and mapping handpiece (1), wherein an anchor point limiter (2) is installed at the bottom of the surveying and mapping handpiece (1), characterized in that: The anchor point limiting member (2) is used to fit the edge of the surveying position; the surveying handpiece (1) is equipped with a telescopic extension member (3), which is used to limit the surveying position; A plumb connecting piece (4) is mounted on the telescopic extension piece (3); the plumb connecting piece (4) is used to detect jamming; a rotary plumb piece (5) is mounted on the plumb connecting piece (4); the rotary plumb piece (5) is used for rotary distance measurement; A protective member (6) is installed on the rotary plumb member (5); a positioning member (7) is installed on the rotary plumb member (5), and the positioning member (7) is used to position the protective member (6); The surveying and mapping handheld component (1) comprises a handheld tube (101) and a guide groove (1011), wherein the handheld tube (101) is provided with the guide groove (1011).

2. The surveying and mapping device for land survey according to claim 1, characterized in that: The hand-held cylinder (101) is threadedly connected to a positioning bolt (102) via a bracket; and a hand wheel is provided on the positioning bolt (102).

3. The surveying and mapping device for land survey according to claim 2, characterized in that: The anchor point limiting member (2) comprises: a limiting right-angle plate (201), the limiting right-angle plate (201) being fixedly mounted on the front end of the hand-held tube (101); the limiting right-angle plate (201) being a right-angle bending structure; a sliding mounting shell (202) being fixedly mounted on the bottom of the limiting right-angle plate (201); a plug-in shaft (203) being slidably plugged into the sliding mounting shell (202), and a power switch (204) being fixedly mounted on the tail of the plug-in shaft (203); the power switch (204) being located inside the sliding mounting shell (202); a spring being sleeved on the inside of the sliding mounting shell (202), and the spring inside the sliding mounting shell (202) being located between the plug-in shaft (203) and the limiting right-angle plate (201); the plug-in shaft (203); and an anti-sinking plate (2031) being fixedly mounted on the plug-in shaft (203).

4. The surveying and mapping device for land survey according to claim 3, characterized in that: The telescopic extension member (3) comprises: a telescopic tube (301), wherein the telescopic tube (301) is slidably sleeved on the hand-held tube (101); the positioning bolt (102) is used to squeeze the telescopic tube (301); a protruding column is provided on the telescopic tube (301), and the protruding column on the telescopic tube (301) is located inside the guide groove (1011); a connecting tube (3011) is fixedly installed at the tail of the telescopic tube (301); a hand-held switch (302) is fixedly installed on the connecting tube (3011); a horizontal water bubble (303) is fixedly installed on the side of the connecting tube (3011); A wire-holding electromagnet (304) is fixedly mounted on the connecting tube (3011); a spring friction column (305) is slidably plugged into the connecting tube (3011), and a through hole aligned with the inner hole of the telescopic tube (301) is provided on the spring friction column (305); the spring friction column (305) passes through the connecting tube (3011); a spring is sleeved on the inner side of the connecting tube (3011), and the spring inside the connecting tube (3011) is located between the wire-holding electromagnet (304) and the spring friction column (305); a V-shaped plate (3012) is fixedly mounted on the front end of the telescopic tube (301) by means of bolts.

5. The surveying and mapping device for land survey according to claim 4, characterized in that: The plumb connecting member (4) comprises: a plumb rope (401), the plumb rope (401) being sleeved on the telescopic tube (301) and the connecting cylinder (3011); the plumb rope (401) passing through the spring friction column (305); a pulling column (402) being fixedly mounted on the end of the plumb rope (401); a stuck switch (403) being fixedly mounted on the bottom of the pulling column (402); and scale lines being provided on the plumb rope (401).

6. The surveying and mapping device for land survey according to claim 5, characterized in that: The vertical connection member (4) further comprises: a rotary motor (406); a spring (404) for preventing accidental touch is slidably sleeved on the pulling column (402); a rotating mounting block (405) is slidably sleeved on the pulling column (402); the spring (404) for preventing accidental touch is located inside the rotating mounting block (405); the spring (404) for preventing accidental touch is used to push the stuck switch (403) on the pulling column (402) to press against the inside of the rotating mounting block (405); and the rotary motor (406) is fixedly mounted on the bottom of the rotating mounting block (405).

7. The surveying and mapping device for land survey according to claim 6, characterized in that: The rotary plumb member (5) comprises: a rotary plumb sleeve (501) and a laser distance measuring sensor (5021); the rotary plumb sleeve (501) is rotatably sleeved on a rotary mounting block (405); the output shaft of the rotary motor (406) is connected to the rotary plumb sleeve (501); a positioning laser light (502) is fixedly mounted on the rotary plumb sleeve (501), and the positioning laser light (502) is used to illuminate the V-shaped plate (3012); the laser distance measuring sensor (5021) is fixedly mounted on a side of the rotary plumb sleeve (501), and the laser distance measuring sensor (5021) is externally connected to a display.

8. The surveying and mapping device for land survey according to claim 7, characterized in that: The rotary plumb member (5) further comprises: a ball head counterweight shaft (503), on which a ball head is provided; a spherical groove is provided at the bottom of the rotary plumb sleeve (501); the ball head counterweight shaft (503) is sleeved in the spherical groove at the bottom of the rotary plumb sleeve (501), and the bottom of the ball head counterweight shaft (503) is a spherical counterweight structure; a cone head (504) is threadedly connected to the bottom of the rotary plumb sleeve (501), and a vertical spring piece (505) is fixedly installed on the inner side of the cone head (504), and the vertical spring piece (505) is attached to the bottom of the ball head counterweight shaft (503); the ball head counterweight shaft (503), the vertical spring piece (505), the power switch (204), the handheld switch (302) and the line-locking electromagnet (304) are connected in series.

9. The surveying and mapping device for land survey according to claim 7, characterized in that: The protective member (6) comprises: a protective tube (601), the protective tube (601) being sleeved on a rotary plumb sleeve (501); a protective frame (602) being fixedly mounted on the protective tube (601); and an outer diameter of the protective frame (602) being larger than that of the rotary plumb sleeve (501).

10. The surveying and mapping device for land survey according to claim 9, characterized in that: The positioning member (7) comprises: a positioning electromagnet (701), the positioning electromagnet (701) is fixedly mounted on the inner side of a rotary plumb sleeve (501); a positioning pin (702) is slidably plugged into the rotary plumb sleeve (501), and the positioning pin (702) is an iron structure; the positioning electromagnet (701) is used to magnetically attract the positioning pin (702); the positioning pin (702) is plugged into the protective tube (601); a spring is connected between the positioning electromagnet (701) and the positioning pin (702); and the blocking switch (403) is electrically connected to the positioning electromagnet (701).

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