Positioning device for surveying and mapping engineering geographic information

Abstract

The utility model relates to an engineering geographic information surveying and mapping positioning device which comprises a supporting plate and a surveying and mapping instrument body, a mounting plate is arranged on the supporting plate, the surveying and mapping instrument body is mounted on the mounting plate, three hinge blocks are axially arranged on the outer wall of the bottom of the supporting plate at equal intervals, and supporting legs are arranged at the bottoms of the three hinge blocks. A screw is arranged in the middle of the bottom of the supporting plate and sleeved with a moving block, a moving notch is formed in the middle of the moving block, a rotating ring rotationally connected with the moving block is arranged in the moving notch, internal threads matched with the screw are formed in the inner wall of the rotating ring, and the rotating ring is in threaded connection with the screw. Three hinge rods in one-to-one correspondence with the supporting legs are hinged to the outer wall of the moving block, and the ends, away from the moving block, of the hinge rods are hinged to the supporting legs. And in the moving process of the moving block, the supporting legs are unfolded, the moving block moves downwards in the length direction of the screw rod, and the hinge rods retract along with movement of the moving block, so that the supporting legs are retracted, and the device is conveniently unfolded and stored.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of engineering surveying and mapping, in particular to a positioning device for engineering geographic information surveying and mapping. BACKGROUND

[0002] Surveying and mapping is based on computer technology, photoelectric technology, network communication technology, space science and information science, takes global navigation satellite positioning system, remote sensing and geographic information system as technical cores, selects existing feature points and boundaries on the ground and obtains graphic and position information reflecting the present situation of the ground through measurement means for engineering construction, planning and design and administrative management. In the surveying and mapping engineering, in order to ensure the overall surveying and mapping accuracy and convenience, the surveying and mapping instrument needs to be placed on the surveying and mapping instrument positioning device, so that the surveying and mapping instrument positioning device is convenient for stable surveying and mapping use.

[0003] In the surveying and mapping process, a surveying and mapping instrument needs to be used, the surveying and mapping instrument positioning device is used for fixing the surveying and mapping instrument, and the use of the surveying and mapping instrument is facilitated. The existing surveying and mapping instrument positioning device needs to be manually unfolded and stored during the working process, the speed is slow, time and labor are wasted, the flexibility is general, the gravity of the device is inconvenient to adjust, the device is prone to tilt during use, and the stability is poor. CONTENT OF THE UTILITY MODEL

[0004] In order to conveniently unfold and store the device, the application provides a positioning device for engineering geographic information surveying and mapping.

[0005] The application provides a positioning device for engineering geographic information surveying and mapping, adopts the following technical scheme:

[0006] A positioning device for engineering geographic information surveying and mapping, comprising a support plate and a surveying and mapping instrument main body, the support plate is provided with a mounting plate, the surveying and mapping instrument main body is mounted on the mounting plate, three hinge blocks are arranged on the outer wall of the bottom of the support plate in an equidistant manner in the axial direction, support legs are arranged at the bottom of each of the three hinge blocks, a screw rod is arranged at the middle position of the bottom of the support plate, a moving block is sleeved on the screw rod, a moving slot is formed in the middle position of the moving block, a rotating ring is arranged in the moving slot and rotationally connected with the moving block, an internal thread matched with the screw rod is formed in the inner wall of the rotating ring, the rotating ring is threadedly connected with the screw rod, three hinge rods corresponding to the support legs in one-to-one correspondence are hingedly arranged on the outer wall of the moving block, and the hinge rods are hingedly connected with the support legs at the ends away from the moving block.

[0007] By adopting the technical scheme, the moving block is moved upwards along the length direction of the screw rod, the rotating ring rotates along with the moving block, the stability of the moving block moving along the length direction of the screw rod is improved, the hinged rod is opened along with the moving block moving, the supporting leg is opened, the moving block is moved downwards along the length direction of the screw rod, the hinged rod is closed along with the moving block moving, and the supporting leg is closed, so that the device is conveniently unfolded and stored.

[0008] Optionally, a limiting slot is arranged in the moving block and communicates with the moving slot, a limiting rod is slidably connected in the limiting slot, a brake shoe is arranged at one end of the limiting rod, and a spring is arranged at the other end of the limiting rod and fixedly connected with the limiting rod and the inner wall of the limiting slot.

[0009] By adopting the technical scheme, after the position of the moving block is adjusted, the brake shoe abuts against the outer wall of the rotating ring, the spring prevents the brake shoe from moving away from the rotating ring, the brake shoe prevents the rotating ring from rotating, and the stability of the moving block on the screw rod is improved.

[0010] Optionally, a first rack is arranged on the side wall of the limiting rod, a moving rod is arranged on the moving block, a second rack is arranged on the side wall of the moving rod, and a connecting gear is rotatably connected in the limiting slot and engaged with the first rack and the second rack.

[0011] By adopting the technical scheme, when the moving block needs to be moved, the moving rod on the moving block is moved towards the moving block, the second rack drives the connecting gear to rotate, the first rack drives the limiting rod to move away from the rotating ring, the brake shoe is separated from the rotating ring, and the moving block is moved, when the limiting block moves away from the rotating ring, the spring is compressed, the spring applies an elastic force to the limiting rod towards the rotating ring, after the user releases the moving rod, the compressed spring is released, the limiting rod moves towards the rotating ring, the brake shoe abuts against the rotating ring, and the rotating ring is prevented from rotating.

[0012] Optionally, a connecting ring is arranged below the mounting plate, a fixed plate is fixedly arranged on the supporting plate, an annular groove is arranged on the fixed plate and matched with the connecting ring, and the mounting plate is rotatably connected with the fixed plate.

[0013] By adopting the technical scheme, the connecting ring is located in the annular groove, and the mounting plate rotates on the fixed plate, so that the direction of the surveying instrument main body is conveniently adjusted.

[0014] Optionally, external teeth are arranged on the outer wall of the connecting ring, a rotating gear is rotatably connected in the mounting plate and engaged with the external teeth of the connecting ring, and a driving assembly is arranged in the mounting plate and drives the rotating gear to rotate.

[0015] By adopting the technical scheme, the rotating gear is rotated through the driving assembly, the connecting ring is rotated through the outer gear of the connecting ring, and thus the direction of the surveying instrument main body is conveniently adjusted.

[0016] Optionally, the driving assembly comprises a driving shaft and a bevel gear pair, the rotating shaft is coaxially and fixedly connected with the rotating gear, the rotating shaft is rotationally connected with the mounting plate, the bevel gear pair is located in the mounting plate, one end of the driving shaft extends into the mounting plate and is rotationally connected with the mounting plate, and the rotating shaft and the driving shaft are connected through the bevel gear pair.

[0017] By adopting the technical scheme, the rotating shaft is rotated through the bevel gear pair, and thus the rotating gear is rotated.

[0018] Optionally, the support leg comprises a first support rod and a second support rod, the first support rod is connected with the hinged block, a support notch is formed in one end of the first support rod away from the hinged block, and one end of the second support rod extends into the support notch and is slidingly connected with the first support rod.

[0019] By adopting the technical scheme, the first support rod and the second support rod are slidingly connected, the length of the support leg as a whole can be adjusted, and the adaptability of the overall device is improved.

[0020] To sum up, the present application has at least one of the following beneficial technical effects:

[0021] The moving block is moved upwards along the length direction of the screw rod, the rotating ring is rotated with the moving block, the stability of the moving block moving along the length direction of the screw rod is improved, the hinged rod is opened along with the movement of the moving block during the movement of the moving block, the support leg is opened, the moving block is moved downwards along the length direction of the screw rod, the hinged rod is retracted along with the movement of the moving block, and thus the support leg is retracted, the device is conveniently unfolded and stored.

[0022] After the position of the moving block is adjusted, the brake pad abuts against the rotating ring, the spring prevents the brake pad from moving away from the rotating ring, the brake pad prevents the rotating ring from rotating, and the stability of the moving block on the screw rod is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of a positioning device for engineering geographic information surveying.

[0024] Figure 2 It is a schematic view for showing the connection relationship between the mounting plate and the fixed plate in the embodiment of the present application.

[0025] Figure 3 It is Figure 2 It is an enlarged schematic view of part A in FIG.

[0026] Figure 4 is Figure 2 an enlarged schematic view of part B in figure 1.

[0027] Label explanation: 1, support plate; 11, hinged block; 12, screw; 2, surveying instrument main body; 3, mounting plate; 31, connecting ring; 32, rotating gear; 321, rotating shaft; 4, support leg; 41, first support rod; 42, second support rod; 5, moving block; 51, rotating ring; 52, hinged rod; 53, moving notch; 54, limiting groove; 55, limiting rod; 551, brake piece; 552, first rack; 56, spring; 57, moving rod; 571, second rack; 58, connecting gear; 6, driving assembly; 61, driving shaft; 62, bevel gear pair; 7, fixed plate; 71, ring groove. DETAILED DESCRIPTION

[0028] The application will be further described in detail below in combination with all the drawings.

[0029] The application discloses a positioning device for engineering geographic information surveying and mapping.

[0030] With reference to Figure 1 A positioning device for engineering geographic information surveying and mapping, comprising a support plate 1 and a surveying instrument main body 2, wherein the support plate 1 is provided with a mounting plate 3, the surveying instrument main body 2 is mounted on the mounting plate 3, three hinged blocks 11 are arranged on the outer wall of the bottom of the support plate 1 in an equidistant manner along the axial direction, the bottom of each of the three hinged blocks 11 is provided with a support leg 4, a screw 12 is arranged at the middle position of the bottom of the support plate 1, a moving block 5 is sleeved on the screw 12, a moving notch 53 is formed in the middle position of the moving block 5, a rotating ring 51 is arranged in the moving notch 53 and rotationally connected with the moving block 5, an internal thread is formed in the inner wall of the rotating ring 51 and matched with the screw 12, the rotating ring 51 is threadedly connected with the screw 12, three hinged rods 52 corresponding to the support legs 4 are hingedly arranged on the outer wall of the moving block 5, and one end of each of the hinged rods 52 away from the moving block 5 is hingedly connected with the support leg 4. The moving block 5 is moved upwards along the length direction of the screw 12, the rotating ring 51 rotates with the moving block 5, the stability of the moving block 5 moving along the length direction of the screw 12 is improved, and the hinged rods 52 are opened along with the movement of the moving block 5 during the movement of the moving block 5, so that the support legs 4 are opened. The moving block 5 is moved downwards along the length direction of the screw 12, the hinged rods 52 are contracted along with the movement of the moving block 5, so that the support legs 4 are retracted, and the device is conveniently unfolded and stored.

[0031] With reference to Figure 2 and Figure 3The moving block 5 is provided with a limiting slot 54 communicated with the moving slot 53, the limiting slot 54 is slidably connected with a limiting rod 55, one end of the limiting rod 55 is fixedly installed with a brake piece 551, the other end of the limiting rod 55 is provided with a spring 56, both ends of the spring 56 are fixedly connected with the limiting rod 55 and the inner wall of the limiting slot 54, when the spring 56 is in a natural state, the brake piece 551 abuts against the outer wall of the rotating ring 51. After adjusting the position of the moving block 5, the brake piece 551 abuts against the rotating ring 51, the spring 56 prevents the brake piece 551 from moving away from the rotating ring 51, so that the brake piece 551 prevents the rotating ring 51 from rotating, and the stability of the moving block 5 on the screw rod 12 is improved.

[0032] With reference to Figure 3 The side wall of the limiting rod 55 is installed with a first rack 552, the moving block 5 is provided with a moving rod 57, the side wall of the moving rod 57 is installed with a second rack 571, the limiting slot 54 is rotatably connected with a connecting gear 58, the connecting gear 58 is engaged with the first rack 552 and the second rack 571. When it is needed to move the moving block 5, the moving rod 57 on the moving block 5 is moved towards the moving block 5, the second rack 571 drives the connecting gear 58 to rotate, and the first rack 552 drives the limiting rod 55 to move away from the rotating ring 51, so that the brake piece 551 is separated from the rotating ring 51, thereby moving the moving block 5. When the limiting block moves away from the rotating ring 51, the spring 56 is compressed, the spring 56 exerts a spring force on the limiting rod 55 towards the rotating ring 51. After the user releases the moving rod 57, the compressed spring 56 is released, and exerts a spring force on the limiting rod 55 towards the rotating ring 51, the brake piece 551 abuts against the rotating ring 51, thereby preventing the rotating ring 51 from rotating.

[0033] With reference to Figure 2 And Figure 4 The connecting ring 31 is located below the mounting plate 3, the support plate 1 is fixedly installed with a fixed plate 7, the fixed plate 7 is provided with a ring slot 71 matched with the connecting ring 31, and the mounting plate 3 is rotatably connected with the fixed plate 7. The connecting ring 31 is located in the ring slot 71, and the mounting plate 3 is rotatable on the fixed plate 7, thereby facilitating the adjustment of the direction of the surveying instrument main body 2.

[0034] With reference to Figure 4The outer wall of the connecting ring 31 is provided with external teeth, the rotating gear 32 is rotatably connected in the mounting plate 3, the rotating gear 32 is meshed with the external teeth of the connecting ring 31, the mounting plate 3 is provided with the driving assembly 6 for driving the rotating gear 32 to rotate, the driving assembly 6 comprises a driving shaft 61 and a bevel gear pair 62, the rotating shaft 321 is coaxially fixedly connected with the rotating gear 32, the rotating shaft 321 is rotatably connected with the mounting plate 3, the bevel gear pair 62 is located in the mounting plate 3, one end of the driving shaft 61 extends into the mounting plate 3 and is rotatably connected with the mounting plate 3, and the rotating shaft 321 is connected with the driving shaft 61 through the bevel gear pair 62. The driving shaft 61 is rotated to drive the rotating shaft 321 to rotate through the bevel gear pair 62, so that the rotating gear 32 is rotated, and the direction of the surveying instrument main body 2 is conveniently adjusted.

[0035] With reference to Figure 1 The support leg 4 comprises a first support rod 41 and a second support rod 42, the first support rod 41 is connected with the hinge block 11, the first support rod 41 is provided with a support notch at an end away from the hinge block 11, and the second support rod 42 extends into the support notch and is slidably connected with the first support rod 41. The first support rod 41 is slidably connected with the second support rod 42, the length of the support leg 4 as a whole can be adjusted, and the adaptability of the whole device is improved.

[0036] The implementation principle of the positioning device for engineering geographic information surveying and mapping according to the embodiment of the application is as follows: the moving block 5 is moved upward along the length direction of the screw rod 12, the rotating ring 51 is rotated in the moving block 5, the stability of the moving block 5 moving along the length direction of the screw rod 12 is improved, the hinge rod 52 is opened along with the movement of the moving block 5 during the movement of the moving block 5, the support leg 4 is opened, the moving block 5 is moved downward along the length direction of the screw rod 12, the hinge rod 52 is retracted along with the movement of the moving block 5, so that the support leg 4 is retracted, and the device is conveniently unfolded and stored.

[0037] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A positioning device for engineering geographic information mapping, comprising a support plate (1) and a mapping instrument body (2), characterized in that: The support plate (1) is provided with a mounting plate (3), and the surveying instrument body (2) is mounted on the mounting plate (3); three hinge blocks (11) are arranged on the bottom outer wall of the support plate (1) in an equidistant manner in the axial direction; a support leg (4) is arranged at the bottom of each of the three hinge blocks (11); a screw rod (12) is arranged at the middle position of the bottom of the support plate (1); a moving block (5) is sleeved on the screw rod (12); a moving notch (53) is formed in the middle position of the moving block (5); a rotating ring (51) is arranged in the moving notch (53) and is rotationally connected with the moving block (5); an internal thread is formed in the inner wall of the rotating ring (51) and is matched with the screw rod (12); the rotating ring (51) is threadedly connected with the screw rod (12); three hinge rods (52) corresponding to the support legs (4) are hingedly arranged on the outer wall of the moving block (5); and one end of each of the hinge rods (52) is hingedly connected with the support leg (4).

2. The positioning device for engineering geographic information surveying according to claim 1, characterized in that: A limiting groove (54) in communication with the moving notch (53) is formed in the moving block (5); a limiting rod (55) is slidably connected in the limiting groove (54); a brake piece (551) is arranged at one end of the limiting rod (55); a spring (56) is arranged at the other end of the limiting rod (55); and the spring (56) is fixedly connected with the limiting rod (55) and the inner wall of the limiting groove (54) at both ends.

3. The positioning device for engineering geographic information mapping of claim 2, wherein: A first gear rack (552) is arranged on the side wall of the limiting rod (55); a moving rod (57) is arranged on the moving block (5); a second gear rack (571) is arranged on the side wall of the moving rod (57); and a connecting gear (58) is rotationally connected in the limiting groove (54) and is engaged with the first gear rack (552) and the second gear rack (571).

4. The positioning device for engineering geographic information surveying according to claim 1, characterized in that: A connecting ring (31) is arranged below the mounting plate (3); a fixed plate (7) is fixedly arranged on the support plate (1); an annular groove (71) matched with the connecting ring (31) is formed in the fixed plate (7); and the mounting plate (3) is rotationally connected with the fixed plate (7).

5. The positioning device for engineering geographic information mapping of claim 4, wherein: An external gear is formed in the outer wall of the connecting ring (31); a rotating gear (32) is rotationally connected in the mounting plate (3) and is engaged with the external gear of the connecting ring (31); and a driving assembly (6) driving the rotating gear (32) to rotate is arranged in the mounting plate (3).

6. The positioning device for engineering geographic information mapping of claim 5, wherein: The driving assembly (6) comprises a driving shaft (61) and a bevel gear pair (62); a rotating shaft (321) is coaxially and fixedly connected with the rotating gear (32); the rotating shaft (321) is rotationally connected with the mounting plate (3); the bevel gear pair (62) is arranged in the mounting plate (3); one end of the driving shaft (61) extends into the mounting plate (3) and is rotationally connected with the mounting plate (3); and the rotating shaft (321) and the driving shaft (61) are connected through the bevel gear pair (62).

7. The positioning device for engineering geographic information mapping of claim 1, wherein: The support leg (4) comprises a first support rod (41) and a second support rod (42), the first support rod (41) is connected with the hinge block (11), a support notch is formed in the first support rod (41) far away from the hinge block (11), one end of the second support rod (42) extends into the support notch and is in sliding connection with the first support rod (41).

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