Distance measuring device for geographic information surveying and mapping

Abstract

The invention relates to a geographic information surveying and mapping distance measuring device which comprises a base, a rotating tooth holder is movably mounted at the upper end of the base, a mounting seat is fixedly mounted at the upper end of the rotating tooth holder, mounting grooves are formed in the two sides of the mounting seat, and mounting strips are movably inserted into the mounting grooves in a penetrating mode. A limiting structure is arranged between the mounting strip and the mounting seat, a measuring main body is fixedly mounted at the upper end of the mounting strip, rotating frames are fixedly mounted on the two sides of the base, two first side plates and two second side plates are movably mounted on the surfaces of the four rotating frames respectively, and when the measuring main body is fixed to the mounting seat, the measuring main body is fixed to the mounting seat. The power-on copper sheet on one side of the measuring main body is attached to the power-on copper sheet on one side of the mounting seat, so that the storage battery can charge the measuring main body through the power-on copper sheets, and under the action of the photovoltaic panel, when the whole device is used outdoors, the storage battery can be charged through the photovoltaic panel, so that the measuring main body is charged.

Description

Technical Field

[0001] The present invention relates to the technical field of distance measuring devices, and in particular to the technical field of measuring devices. Background Art

[0002] Surveying and mapping geographic information technology mainly studies the basic knowledge and skills of geographic survey, design, construction, management, etc., and carries out the collection, processing, analysis, mapping and database construction of geographic spatial data, engineering survey, design, construction, etc. For example: cadastral survey, supplementary survey and full survey, cadastral database construction, management and real estate information management, collection, processing, analysis and mapping of geographic spatial data such as Baidu Maps, etc. When using the existing distance measuring devices for geographic information surveying and mapping, the measuring devices are mostly used in conjunction with a tripod. When not in use, the measuring devices cannot be well protected and are easily damaged by collisions or other reasons when used outdoors. Moreover, the measuring devices need to be fully charged before being used outdoors. When used outdoors and the power is insufficient, the measuring devices cannot be replenished in time, which affects the user's use. Summary of the invention

[0003] In view of the above problems existing in the prior art, the present invention adopts the following technical solutions: A distance measuring device for geographic information surveying and mapping comprises a base, a rotating gear seat is movably mounted on the upper end of the base, a mounting seat is fixedly mounted on the upper end of the rotating gear seat, mounting grooves are opened on both sides of the mounting seat, mounting strips are movably inserted inside the mounting grooves, a limiting structure is arranged between the mounting strips and the mounting seat, a measuring body is fixedly mounted on the upper end of the mounting strips, a rotating frame is fixedly mounted on both sides of the base, two first side panels and two second side panels are movably mounted on the surfaces of four rotating frames, the two first side panels and the two second side panels form a rectangle, the two first side panels are located between the two second side panels, a connecting structure is arranged between the first side panel and the second side panel, a cover plate is movably mounted on the upper end of one of the second side panels, one end of the cover plate is detachably connected to the other second side panel, a shoulder strap rope is arranged between the two first side panels, and a charging structure is arranged inside the base.

[0004] As a further solution of the present invention: the charging structure includes a current-carrying copper sheet, and the current-carrying copper sheet has two pieces, which are respectively fixedly mounted on the mounting base and one side of the measuring body, and the two current-carrying copper sheets are in contact with each other. A storage battery is fixedly mounted at the lower end of the base, and the storage battery is electrically connected to the current-carrying copper sheet. Photovoltaic panels are arranged on the surfaces of the second side plate and the cover plate, and the photovoltaic panels are electrically connected to the storage battery.

[0005] As a further solution of the present invention: transmission gear rings are provided on both sides of the surface of the rotating gear seat, a transmission gear is movably installed on one side inside the base, the transmission gear is meshed with the transmission gear ring, a rotating shaft is fixedly installed in the middle of the transmission gear, the upper end of the rotating shaft is movably inserted into the outer side of the base, and a rotating handle is fixedly installed on this end.

[0006] As a further solution of the present invention: the connecting structure includes a card hole, which is opened at both ends of the first side plate, and two card columns are movably inserted at both ends of one side of the second side plate, one end of the card column is movably inserted in the interior of the card hole, and the other end of the card column is fixedly installed with a connecting plate, and the surface of the card column is provided with a compression spring connected to the connecting plate.

[0007] As a further solution of the present invention: two fixed blocks are fixedly installed on one side of the second side panel, the fixed block is located on one side of the connecting plate, a through hole is opened on the surface of the connecting plate, limiting grooves are opened on both sides of the inner wall of the through hole, a rotating block is movably inserted into the inside of the through hole, one end of the rotating block is movably inserted into the inside of the fixed block, and a movable block is fixedly installed on this end, limiting blocks are fixedly installed on both sides of one end of the rotating block, and the limiting blocks and limiting grooves are staggered.

[0008] As a further solution of the present invention: sliding grooves are provided on both sides of one end of the fixed block, and sliders are fixedly installed on both sides of one end of the movable block, one end of the slider is movably inserted into the inside of the sliding groove, and the sliding groove is located in a quarter arc shape.

[0009] As a further solution of the present invention: one of the second side panels has mounting blocks fixedly installed on both sides of the upper end, a slot is provided on the surface of the mounting block, a clamping slot is provided on one side of the slot, an insertion rod is movably inserted into the interior of the slot, one end of the insertion rod is movably inserted into the interior of the clamping slot, and a circular clamping block clamped with the clamping slot is fixedly installed on the end, and one end of the insertion rod is movably inserted into the interior of the cover plate.

[0010] As a further solution of the present invention: movable grooves are opened on both sides of one end of the cover plate, a tension spring is fixedly installed at one end of the movable groove, a moving block is fixedly installed at one end of the tension spring, and one side of the moving block is fixedly connected to one end of the insertion rod.

[0011] As a further solution of the present invention: the limiting structure includes a shrinkage groove, which is opened on one side of the installation groove, and a support spring is fixedly installed inside the shrinkage groove, and an elastic card block is fixedly installed on one end of the support spring, one end of the elastic card block is movably inserted into the interior of the installation groove, and one side of the end is in contact with one end of the installation strip, and one end of the elastic card block is inclined.

[0012] As a further solution of the present invention: an adjustment groove is provided inside the mounting seat, and the adjustment groove is provided between the two contraction grooves. Adjustment frames are movably installed on both sides of the inner wall of the adjustment groove, and a rack is provided on one side of the adjustment frame. A rotating rod is movably installed in the middle of the adjustment groove, and an adjustment gear is installed on the surface of the rotating rod. Both sides of the adjustment gear are respectively meshed with the two racks. A pull rod is fixedly installed at one end of the adjustment frame, and one end of the pull rod is movably inserted into the interior of the contraction groove, and the end is fixedly connected to the elastic block.

[0013] Compared with the prior art, the present invention has at least the following advantages: 1. In the present invention, the user inserts the mounting bar at the lower end of the measuring body into the interior of the mounting groove. When the mounting bar contacts the elastic card block, the elastic card block is squeezed into the interior of the contraction groove to compress the support spring. When the mounting bar is inserted to the maximum position, the elastic card block pops out under the action of the support spring, so that one end of the elastic card block fits with one end of the mounting bar, thereby facilitating the fixing of the measuring body on the mounting seat. When the second stopper is engaged with the second plate, the locking plate is engaged with the locking cam and the locking cam is engaged with the locking cam, thereby locking the locking cam and the locking cam are engaged with the locking cam and the locking cam are engaged with the locking cam.

[0014] 3. In the present invention, the user rotates the cover plate, the user pulls the circular clamping block, the circular clamping block drives the insertion rod to move, the insertion rod compresses the tensioning spring through the moving block, the cover plate fits with the upper ends of the first side plate and the second side plate, the insertion rod is inserted into the interior of the mounting block along the slot, the user loosens the circular clamping block, the moving block and the insertion rod drive the circular clamping block to move under the action of the tensioning spring, so that the circular clamping block is inserted into the interior of the slot, thereby facilitating the cover plate to be fixed to the upper ends of the first side plate and the second side plate, thereby facilitating the protection of the measuring body.

[0015] 4. In the present invention, when the measuring body is fixed on the mounting base, the energized copper sheet on one side of the measuring body fits with the energized copper sheet on one side of the mounting base, so that the storage battery can charge the measuring body through the energized copper sheet. Under the action of the photovoltaic panel, when the entire device is used outdoors, the storage battery can be charged through the photovoltaic panel, thereby charging the measuring body.

[0016] 5. In the present invention, when the measuring body needs to be disassembled, the user rotates the rotating rod, and the rotating rod drives the adjusting gear to rotate. The adjusting gear drives the adjusting frames on both sides to move in relative directions through the rack. When the adjusting frames move, the elastic card block is driven to move through the pull rod, so that the elastic card block shrinks into the inside of the shrinkage groove, so that the elastic card block is separated from the mounting strip, and the mounting strip can be pulled out from the inside of the mounting groove, thereby facilitating the rapid disassembly of the measuring body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the outer structure of the overall device; Figure 2 It is a schematic diagram of the structure of the outer part of the overall device; Figure 3 for Figure 2 The enlarged view of point A in the middle; Figure 4 It is a schematic diagram of the half-section structure of the installation block in the overall device; Figure 5 for Figure 4 The enlarged view of point B in the middle; Figure 6 It is a schematic diagram of the half-section structure of the overall device; Figure 7 This is a schematic diagram of the structure where the measuring subject is installed; Figure 8 This is a schematic diagram of the half-section structure of the measurement body installation location; Fig. 9 This is a schematic diagram of the half-section structure of the measuring body and the mounting base; Fig.10 It is a schematic diagram of the partial half-section structure of the measuring body and the mounting seat; Fig.11 for Fig.10 Enlarged view of point C in the middle.

[0018] In the figure, 1, first side plate; 2, second side plate; 3, cover plate; 4, photovoltaic panel; 5, shoulder strap rope; 6, base; 7, rotating frame; 8, clamping hole; 9, clamping column; 10, compression spring; 11, connecting plate; 12, fixed block; 13, movable block; 14, rotating block; 15, limiting block; 16, limiting groove; 17, mounting block; 18, slot; 19, clamping slot; 20, circular clamping block; 21, plug rod; 22, tension spring; 23, measuring body; 24, rotating gear seat; 25, storage battery; 26, mounting seat; 27, transmission gear; 28, rotating shaft; 29, mounting strip; 30, mounting groove; 31, supporting spring; 32, pull rod; 33, adjusting groove; 34, adjusting frame; 35, rack; 36, adjusting gear; 37, rotating rod; 38, elastic clamping block; 39, energized copper sheet. DETAILED DESCRIPTION

[0019] The present invention is described in further detail below.

[0020] See also Figures 1 to 11 , Embodiment 1: A distance measuring device for geographic information surveying and mapping, comprising a base 6, a rotating gear seat 24 is movably mounted on the upper end of the base 6, a mounting seat 26 is fixedly mounted on the upper end of the rotating gear seat 24, mounting grooves 30 are provided on both sides of the mounting seat 26, mounting strips 29 are movably inserted in the interior of the mounting grooves 30, a measuring body 23 is fixedly mounted on the upper end of the mounting strips 29, rotating frames 7 are fixedly mounted on both sides of the base 6, two first side panels 1 and two second side panels 2 are movably mounted on the surfaces of the four rotating frames 7, the two first side panels 1 and the two second side panels 2 form a rectangle, the two first side panels 1 are located between the two second side panels 2, a connecting structure is arranged between the first side panels 1 and the second side panels 2, a cover plate 3 is movably mounted on the upper end of one of the second side panels 2, one end of the cover plate 3 is detachably connected to the other second side panel 2, and a shoulder strap rope 5 is arranged between the two first side panels 1; Specifically, the measuring body 23 is fixed on the mounting seat 26 and the rotating gear seat 24. The user rotates the first side panel 1 and the second side panel 2. The first side panel 1 is connected to the second side panel 2 through a connecting structure. The cover plate 3 is fixed on the first side panel 1 and the second side panel 2, so that a protective box is formed between the first side panel 1, the second side panel 2 and the base 6, which can protect the measuring body 23. With the help of the shoulder strap 5, it is convenient for the user to carry the measuring body 23.

[0021] Embodiment 2: A distance measuring device for geographic information surveying and mapping, wherein a charging structure is provided inside the base 6, the charging structure comprises a powered copper sheet 39, the powered copper sheet 39 comprises two pieces, which are respectively fixedly mounted on the mounting seat 26 and one side of the measuring body 23, the two powered copper sheets 39 are fitted together, a storage battery 25 is fixedly mounted at the lower end inside the base 6, the storage battery 25 is electrically connected to the powered copper sheet 39, a photovoltaic panel 4 is provided on the surface of the second side plate 2 and the cover plate 3, the photovoltaic panel 4 is electrically connected to the storage battery 25; Specifically, when the measuring body 23 is fixed on the mounting base 26, the energized copper sheet 39 on one side of the measuring body 23 fits with the energized copper sheet 39 on one side of the mounting base 26, so that the storage battery 25 can charge the measuring body 23 through the energized copper sheet 39. Under the action of the photovoltaic panel 4, when the entire device is used outdoors, the storage battery 25 can be charged through the photovoltaic panel 4, thereby charging the measuring body 23.

[0022] Embodiment 3: A distance measuring device for geographic information surveying and mapping, wherein transmission gear rings are provided on both sides of the surface of the rotating gear seat 24, a transmission gear 27 is movably installed on one side inside the base 6, the transmission gear 27 is meshed with the transmission gear ring, a rotating shaft 28 is fixedly installed in the middle of the transmission gear 27, the upper end of the rotating shaft 28 is movably inserted into the outer side of the base 6, and a rotating handle is fixedly installed on the end; Specifically, when the measuring body 23 is in use, the user can rotate the handle to drive the rotating shaft 28 to rotate. The rotating shaft 28 drives the rotating gear seat 24 to rotate through the transmission gear 27 and the transmission gear ring, so that the measuring body 23 rotates, which is convenient for the user to adjust the angle of the measuring body 23.

[0023] Embodiment 4: A distance measuring device for geographic information surveying and mapping, the connection structure includes a card hole 8, the card hole 8 is opened at both ends of the first side plate 1, and two card columns 9 are movably inserted at both ends of one side of the second side plate 2, one end of the card column 9 is movably inserted in the card hole 8, and the other end of the card column 9 is fixedly installed with a connecting plate 11, and the surface of the card column 9 is sleeved with a compression spring 10 connected to the connecting plate 11, and two fixed blocks 12 are fixedly installed on one side of the second side plate 2, and the fixed block 12 is located on one side of the connecting plate 11, and the surface of the connecting plate 11 is opened. The perforation has a limit groove 16 on both sides of the inner wall of the perforation, a rotating block 14 is movably inserted into the interior of the perforation, one end of the rotating block 14 is movably inserted into the interior of the fixed block 12, and a movable block 13 is fixedly installed on the end, and both sides of one end of the rotating block 14 are fixedly installed with limit blocks 15, and the limit blocks 15 and the limit grooves 16 are staggered. Slide grooves are provided on both sides of one end of the fixed block 12, and sliders are fixedly installed on both sides of one end of the movable block 13, and one end of the slider is movably inserted into the interior of the slide groove, and the slide groove is located in a quarter arc shape; Specifically, the user rotates the second side plate 2, and the second side plate 2 is vertically distributed with the base 6. The user rotates and pulls the connecting plate 11, and the connecting plate 11 drives the clamping column 9 to move, stretching the compression spring 10, so that the clamping column 9 moves to the outside of the second side plate 2. The user rotates the first side plate 1, and the first side plate 1 is vertically distributed with the base 6 and fits with both sides of the second side plate 2. The user loosens the connecting plate 11, and the clamping column 9 returns to its original position under the action of the compression spring 10, so that the clamping column 9 is inserted into the inside of the clamping hole 8, so that the first side plate 1 The second side plate 2 can be fixed together to protect the measuring body 23, and the rotating block 14 is inserted into the inside of the perforation, and the limit block 15 passes through the connecting plate 11 along the limit groove 16. When the connecting plate 11 moves to the maximum position, the user rotates the rotating block 14, and the rotating block 14 drives the limit block 15 to rotate, so that the limit block 15 and the limit groove 16 are staggered. It is convenient to limit the connecting plate 11 and enhance the fixing effect. At the same time, under the action of the slide groove on the slider, it is convenient to limit the rotation range of the rotating block 14.

[0024] Embodiment 5: A distance measuring device for geographic information surveying and mapping, wherein a second side plate 2 is fixedly mounted with mounting blocks 17 on both sides of the upper end, a slot 18 is provided on the surface of the mounting block 17, a card slot 19 is provided on one side of the slot 18, an insertion rod 21 is movably inserted into the slot 18, one end of the insertion rod 21 is movably inserted into the card slot 19, and a circular card block 20 engaged with the card slot 19 is fixedly mounted on the end, one end of the insertion rod 21 is movably inserted into the cover plate 3, movable grooves are provided on both sides of one end of the cover plate 3, a tensioning spring 22 is fixedly mounted on one end of the movable groove, a moving block is fixedly mounted on one end of the tensioning spring 22, and one side of the moving block is fixedly connected to one end of the insertion rod 21; Specifically, the user rotates the cover 3, the user pulls the circular block 20, the circular block 20 drives the insertion rod 21 to move, the insertion rod 21 compresses the tensioning spring 22 through the moving block, the cover 3 fits with the upper ends of the first side plate 1 and the second side plate 2, the insertion rod 21 is inserted into the interior of the mounting block 17 along the slot 18, the user releases the circular block 20, the moving block and the insertion rod 21 drive the circular block 20 to move under the action of the tensioning spring 22, so that the circular block 20 is inserted into the interior of the slot 19, so as to facilitate fixing the cover 3 on the upper ends of the first side plate 1 and the second side plate 2, so as to facilitate protecting the measuring body 23.

[0025] Embodiment 6: A distance measuring device for geographic information surveying and mapping, a limiting structure is provided between the mounting strip 29 and the mounting seat 26, the limiting structure comprises a contraction groove, the contraction groove is provided on one side of the interior of the mounting groove 30, a support spring 31 is fixedly installed inside the contraction groove, an elastic block 38 is fixedly installed at one end of the support spring 31, one end of the elastic block 38 is movably inserted into the interior of the mounting groove 30, and one side of the end is in contact with one end of the mounting strip 29, and one end of the elastic block 38 is inclined; Specifically, the user inserts the mounting strip 29 at the lower end of the measuring body 23 into the mounting groove 30. When the mounting strip 29 contacts the elastic block 38, the elastic block 38 is squeezed into the shrinkage groove to compress the support spring 31. When the mounting strip 29 is inserted to the maximum position, the elastic block 38 pops out under the action of the support spring 31, so that one end of the elastic block 38 fits with one end of the mounting strip 29, thereby facilitating fixing the measuring body 23 on the mounting seat 26.

[0026] Embodiment 7: A distance measuring device for geographic information surveying and mapping, wherein an adjusting slot 33 is provided inside a mounting seat 26, the adjusting slot 33 is provided between two contraction slots, an adjusting frame 34 is movably installed on both sides of the inner wall of the adjusting slot 33, a rack 35 is provided on one side of the adjusting frame 34, a rotating rod 37 is movably installed in the middle of the adjusting slot 33, an adjusting gear 36 is installed on the surface of the rotating rod 37, both sides of the adjusting gear 36 are respectively meshed with the two racks 35, a pull rod 32 is fixedly installed at one end of the adjusting frame 34, one end of the pull rod 32 is movably inserted into the interior of the contraction slot, and the end is fixedly connected to an elastic block 38; Specifically, when the measuring body 23 needs to be disassembled, the user rotates the rotating rod 37, and the rotating rod 37 drives the adjusting gear 36 to rotate. The adjusting gear 36 drives the adjusting frames 34 on both sides to move in relative directions through the rack 35. When the adjusting frames 34 move, the elastic block 38 is driven to move through the pull rod 32, so that the elastic block 38 shrinks into the inside of the shrinkage groove, so that the elastic block 38 is disengaged from the mounting strip 29, and the mounting strip 29 can be pulled out from the inside of the mounting groove 30, thereby facilitating the rapid disassembly of the measuring body 23.

[0027] Working principle: the user inserts the mounting strip 29 at the lower end of the measuring body 23 into the mounting groove 30. When the mounting strip 29 contacts the elastic block 38, the elastic block 38 is squeezed into the contraction groove to compress the support spring 31. When the mounting strip 29 is inserted to the maximum position, the elastic block 38 pops out under the action of the support spring 31, so that one end of the elastic block 38 fits with one end of the mounting strip 29, thereby facilitating the fixing of the measuring body 23 on the mounting seat 26. When the measuring body 23 is in use, the user can rotate the rotating shaft 28 by rotating the handle, and the rotating shaft 28 drives the rotating gear seat 24 to rotate through the transmission gear 27 and the transmission gear ring, so that the measuring body 23 rotates, which is convenient for the user to measure The angle of the measuring body 23 is adjusted, the user rotates the second side plate 2, the second side plate 2 is vertically distributed with the base 6, the user rotates and pulls the connecting plate 11, the connecting plate 11 drives the clamping column 9 to move, and the compression spring 10 is stretched, so that the clamping column 9 moves to the outside of the second side plate 2, the user rotates the first side plate 1, the first side plate 1 is vertically distributed with the base 6, and fits with both sides of the second side plate 2, the user loosens the connecting plate 11, and the clamping column 9 returns to its original position under the action of the compression spring 10, so that the clamping column 9 is inserted into the inside of the clamping hole 8, so that the first side plate 1 and the second side plate 2 can be fixed together, which is convenient for protecting the measuring body 23, the rotating block 14 is inserted into the inside of the perforation, and the limit block 15 passes through the connection along the limit groove 16 When the connecting plate 11 moves to the maximum position, the user rotates the rotating block 14, and the rotating block 14 drives the limiting block 15 to rotate, so that the limiting block 15 and the limiting groove 16 are staggered, so as to facilitate the limiting of the connecting plate 11 and enhance the fixing effect. At the same time, under the action of the slide groove on the slider, it is convenient to limit the rotation range of the rotating block 14. The user rotates the cover plate 3, and the user pulls the circular clamping block 20, and the circular clamping block 20 drives the plugging rod 21 to move. The plugging rod 21 compresses the tensioning spring 22 through the moving block. The cover plate 3 fits with the upper ends of the first side plate 1 and the second side plate 2, and the plugging rod 21 is inserted into the inside of the mounting block 17 along the slot 18. The user releases the circular clamping block 20, and the moving block and the plugging rod 21 are in Under the action of the tension spring 22, the circular clamping block 20 is driven to move, so that the circular clamping block 20 is inserted into the interior of the clamping slot 19, so that the cover plate 3 is fixed to the upper ends of the first side plate 1 and the second side plate 2, so as to protect the measuring body 23. The measuring body 23 is fixed on the mounting seat 26 and the rotating gear seat 24. The user rotates the first side plate 1 and the second side plate 2. The first side plate 1 is connected to the second side plate 2 through the connecting structure. The cover plate 3 is fixed on the first side plate 1 and the second side plate 2, so that a protective box is formed between the first side plate 1, the second side plate 2 and the base 6, which can protect the measuring body 23. Under the action of the shoulder strap 5, it is convenient for the user to carry the measuring body 23. When the measuring body 23 is fixed on the mounting seat 26,The energized copper sheet 39 on one side of the measuring body 23 fits with the energized copper sheet 39 on one side of the mounting seat 26, so that the storage battery 25 can charge the measuring body 23 through the energized copper sheet 39. Under the action of the photovoltaic panel 4, when the entire device is used outdoors, the storage battery 25 can be charged through the photovoltaic panel 4, thereby charging the measuring body 23. When the measuring body 23 needs to be disassembled, the user rotates the rotating rod 37, and the rotating rod 37 drives the adjusting gear 36 to rotate. The adjusting gear 36 drives the adjusting frames 34 on both sides to move in relative directions through the rack 35. When the adjusting frame 34 moves, the elastic block 38 is driven to move through the pull rod 32, so that the elastic block 38 is retracted into the inside of the retracting groove, so that the elastic block 38 is separated from the mounting strip 29, and the mounting strip 29 can be pulled out from the inside of the mounting groove 30, thereby facilitating the rapid disassembly of the measuring body 23.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A distance measuring device for geographic information surveying and mapping, comprising a base (6), characterized in that: A rotating gear seat (24) is movably mounted on the upper end of the base (6), a mounting seat (26) is fixedly mounted on the upper end of the rotating gear seat (24), mounting grooves (30) are provided on both sides of the mounting seat (26), a mounting strip (29) is movably inserted into the interior of the mounting groove (30), a limiting structure is provided between the mounting strip (29) and the mounting seat (26), a measuring body (23) is fixedly mounted on the upper end of the mounting strip (29), rotating frames (7) are fixedly mounted on both sides of the base (6), and two movably mounted surfaces of the four rotating frames (7) are respectively provided. The invention relates to a first side panel (1) and two second side panels (2), wherein the two first side panels (1) and the two second side panels (2) form a rectangle, the two first side panels (1) are located between the two second side panels (2), a connecting structure is provided between the first side panels (1) and the second side panels (2), a cover plate (3) is movably mounted on the upper end of one of the second side panels (2), one end of the cover plate (3) is detachably connected to the other second side panel (2), a shoulder strap (5) is provided between the two first side panels (1), and a charging structure is provided inside the base (6).

2. A distance measuring device for geographic information surveying and mapping as claimed in claim 1, characterized in that: The charging structure comprises a current-carrying copper sheet (39), wherein the current-carrying copper sheet (39) comprises two pieces, which are respectively fixedly mounted on a mounting seat (26) and one side of a measuring body (23), and the two current-carrying copper sheets (39) are fitted together. A storage battery (25) is fixedly mounted at the lower end inside the base (6), and the storage battery (25) is electrically connected to the current-carrying copper sheet (39). A photovoltaic panel (4) is arranged on the surface of the second side plate (2) and the cover plate (3), and the photovoltaic panel (4) is electrically connected to the storage battery (25).

3. A distance measuring device for geographic information surveying and mapping as claimed in claim 1, characterized in that: Transmission gear rings are provided on both sides of the surface of the rotating gear seat (24); a transmission gear (27) is movably mounted on one side inside the base (6); the transmission gear (27) is meshed with the transmission gear ring; a rotating shaft (28) is fixedly mounted in the middle of the transmission gear (27); the upper end of the rotating shaft (28) is movably inserted into the outer side of the base (6), and a rotating handle is fixedly mounted on the end.

4. A distance measuring device for geographic information surveying and mapping as claimed in claim 1, characterized in that: The connection structure comprises a clamping hole (8), wherein the clamping hole (8) is provided at both ends of the first side plate (1), and two clamping columns (9) are movably inserted at both ends of one side of the second side plate (2), one end of the clamping column (9) is movably inserted into the inside of the clamping hole (8), and the other end of the clamping column (9) is fixedly mounted with a connecting plate (11), and a compression spring (10) connected to the connecting plate (11) is sleeved on the surface of the clamping column (9).

5. A distance measuring device for geographic information surveying and mapping as claimed in claim 4, characterized in that: Two fixed blocks (12) are fixedly installed on one side of the second side plate (2), the fixed block (12) is located on one side of the connecting plate (11), a through hole is provided on the surface of the connecting plate (11), both sides of the inner wall of the through hole are provided with limiting grooves (16), a rotating block (14) is movably inserted into the inside of the through hole, one end of the rotating block (14) is movably inserted into the inside of the fixed block (12), and a movable block (13) is fixedly installed on the end, and limiting blocks (15) are fixedly installed on both sides of one end of the rotating block (14), and the limiting blocks (15) and the limiting grooves (16) are staggered.

6. A distance measuring device for geographic information surveying and mapping as claimed in claim 5, characterized in that: Slide grooves are provided on both sides of one end of the fixed block (12), and sliders are fixedly installed on both sides of one end of the movable block (13). One end of the slider is movably inserted into the inside of the slide groove, and the slide groove is located in a quarter arc shape.

7. A distance measuring device for geographic information surveying and mapping as claimed in claim 1, characterized in that: A mounting block (17) is fixedly mounted on both sides of the upper end of one of the second side panels (2); a slot (18) is provided on the surface of the mounting block (17); a clamping slot (19) is provided on one side of the slot (18); an insertion rod (21) is movably inserted into the interior of the slot (18); one end of the insertion rod (21) is movably inserted into the interior of the clamping slot (19); and a circular clamping block (20) clamped with the clamping slot (19) is fixedly mounted on the end; and one end of the insertion rod (21) is movably inserted into the interior of the cover plate (3).

8. A distance measuring device for geographic information surveying and mapping as claimed in claim 7, characterized in that: A movable groove is provided on both sides of one end of the cover plate (3); a tension spring (22) is fixedly installed at one end of the movable groove; a moving block is fixedly installed at one end of the tension spring (22); and one side of the moving block is fixedly connected to one end of the insertion rod (21).

9. A distance measuring device for geographic information surveying and mapping as claimed in claim 1, characterized in that: The limiting structure comprises a contraction groove, the contraction groove is arranged on one side inside the mounting groove (30), a support spring (31) is fixedly installed inside the contraction groove, an elastic block (38) is fixedly installed on one end of the support spring (31), one end of the elastic block (38) is movably inserted into the interior of the mounting groove (30), and one side of the end is in contact with one end of the mounting strip (29), and one end of the elastic block (38) is inclined.

10. A distance measuring device for geographic information surveying and mapping as claimed in claim 9, characterized in that: An adjusting groove (33) is provided inside the mounting seat (26), and the adjusting groove (33) is provided between the two contraction grooves. Adjustment frames (34) are movably installed on both sides of the inner wall of the adjusting groove (33), and a rack (35) is provided on one side of the adjusting frame (34). A rotating rod (37) is movably installed in the middle of the adjusting groove (33), and an adjusting gear (36) is installed on the surface of the rotating rod (37). Both sides of the adjusting gear (36) are respectively meshed with the two racks (35). A pull rod (32) is fixedly installed on one end of the adjusting frame (34), and one end of the pull rod (32) is movably inserted into the interior of the contraction groove, and the end is fixedly connected to an elastic block (38).

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