Land surveying and mapping device

Abstract

A land surveying and mapping device relates to the technical field of surveying and mapping devices and is characterized in that a balance plate is arranged at the top end of a tripod through an adjusting column, and a plurality of connecting holes are formed in the middle of the balance plate at equal angles; the adjusting disc is screwed in the middle of the balance plate through a rotating rod, and the positioning screw penetrates through the side wall of the adjusting disc and then is screwed in the connecting hole in a threaded mode; the middle moving rod is fixedly arranged on the adjusting disc, a limiting assembly is arranged at the joint of every two adjacent moving rods, sliding grooves are formed in the moving rods, and a plurality of open holes are formed in the inner walls of the sliding grooves in a penetrating mode; the sliding block is arranged in the sliding groove in a sliding mode, and the limiting screw rod penetrates through the open hole and then is connected to the sliding block in a threaded and screwed mode. Rotation of the adjusting disc is controlled through the positioning screw, the movable rod can be conveniently rotated to a proper position, the position of the sliding block in the sliding groove is adjusted in cooperation with the limiting screw, and therefore the position of the surveying and mapping instrument on the tripod is adjusted, and repeated adjustment of the tripod is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of surveying and mapping devices, in particular to a land surveying and mapping device. Background Art

[0002] Existing land surveying requires the use of surveying instruments such as levels, which are installed on tripods. Due to the complex land conditions during surveying, there are usually obstructions in the sight of the surveying instruments, and the position of the tripod needs to be constantly adjusted, which is time-consuming and laborious. Therefore, a land surveying device is urgently needed to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a land surveying and mapping device in view of the defects and shortcomings of the prior art, and its technical features can solve the above problems.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: it comprises:

[0005] A balance board, wherein the balance board is arranged on the top of the tripod by means of an adjustment column, and a plurality of connection holes are provided at equal angles in the middle of the balance board;

[0006] An adjusting disk, wherein the adjusting disk is screwed to the middle of the balancing plate by a rotating rod, and the positioning screw passes through the side wall of the adjusting disk and is screwed into the connecting hole;

[0007] The moving rods are three in number, and the ends of the three moving rods are connected by hinged seats, the middle moving rod is fixed on the adjustment plate, and the connection between adjacent moving rods is provided with a limit assembly, the moving rod is provided with a slide groove, and the inner wall of the slide groove is provided with a plurality of openings;

[0008] The slider is slidably arranged in the slide groove, and the limiting screw passes through the opening and is threadedly screwed on the slider.

[0009] With the above design, the level of the balance plate is first adjusted by adjusting the column, and then the moving rod is adjusted to the appropriate position with the adjusting disk, and the position of the slider in the slide groove is adjusted using the limit screw, and then the level and other surveying instruments are installed on the slider, thereby adjusting the position of the surveying instrument on the tripod, which is convenient for the use of the surveying instrument.

[0010] Preferably, the limiting component comprises:

[0011] The limit blocks are two in number, and the two limit blocks are respectively slidably arranged on the bottom surface of the middle moving rod by means of buckles, and the ends of the limit blocks are screwed with a resistance shaft by means of a rotating rod, the resistance shaft is matched with the bottom surface of the moving rod and is slidably arranged, and the buckles are slidably arranged in the slots on the wall of the moving rod;

[0012] There are two adjusting screws, which are respectively arranged at the two ends of the middle moving rod, and the ends of the adjusting screws are screwed on the limit blocks by bearings.

[0013] With the above design, the movement of the limit block is controlled by adjusting the screw rod so that the limit block moves to the connection point of the two moving rods, thereby ensuring that the two moving rods are aligned.

[0014] Preferably, the ends of the moving rods at both ends are screwed with connecting blocks using hinged seats, and the top thread of the support rod is screwed on the connecting block. The support rod is composed of two adjusting rods inserted by bolts. The length of the support rod is adjusted by bolts to facilitate supporting the two ends of the moving rod.

[0015] Preferably, a level bubble meter is provided on the balance board to facilitate the operator to adjust the surface of the balance board to a horizontal position.

[0016] Preferably, Velcro is provided on the side surfaces of the moving rods at both ends, so as to facilitate fixing the moving rods at both ends on the tripod for easy carrying.

[0017] Compared with the prior art, the beneficial effects of the present invention are

[0018] 1. The positioning screw is used to control the rotation of the adjustment disk, so that the moving rod can be rotated to a suitable position, and then the position of the slider in the slide slot can be adjusted with the limit screw, thereby adjusting the position of the surveying and mapping instrument on the tripod to avoid multiple adjustments of the tripod;

[0019] 2. Set up a limit assembly and adjust the moving position of the limit block by adjusting the screw to ensure that adjacent moving rods are in the same horizontal position. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 yes Figure 1 Enlarged view of part A in the middle.

[0022] Figure 3 It is a structural schematic diagram of the limit block in the utility model.

[0023] Figure 4 It is a structural schematic diagram of the balance plate and the adjustment disk in the utility model.

[0024] Description of reference numerals:

[0025] Balance board 1, connecting hole 2, adjusting disk 3, positioning screw 4, moving rod 5, limiting assembly 6, slide groove 7, opening 8, slider 9, limiting screw 10, limiting block 11, resistance shaft 12, buckle 13, adjusting screw 14, connecting block 15, supporting rod 16, level bubble meter 17, Velcro 18. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings.

[0027] like Figure 1 -- Figure 4 As shown, this specific implementation adopts the following technical solution: it includes:

[0028] A balance board 1, wherein the balance board 1 is arranged at the top of the tripod by means of an adjustment column, and a plurality of connection holes 2 are provided at equal angles in the middle of the balance board 1, and the adjustment column at the bottom of the balance board 1 is consistent with the structure and principle of the base at the bottom of surveying and mapping instruments such as a level, and the position of the balance board 1 is adjusted by rotating the adjustment column so that the balance board 1 is in a horizontal state, and a level bubble meter 17 is provided on the balance board 1, so that the operator can adjust the surface of the balance board 1 to a horizontal position;

[0029] The adjusting disk 3 is screwed to the middle of the balancing plate 1 by a rotating rod, and the positioning screw 4 passes through the side wall of the adjusting disk 3 and is screwed into the connecting hole 2, and the positioning screw 4 is used to limit the adjusting disk 3 to a suitable position;

[0030] The movable rod 5 is three in number, and the ends of the three movable rods 5 are screwed together by hinge seats, the middle movable rod 5 is fixedly arranged on the adjusting disk 3, and a limit assembly 6 is arranged at the connection of adjacent movable rods 5, a slide groove 7 is provided on the movable rod 5, and a plurality of openings 8 are provided through the inner wall of the slide groove 7, and the limit assembly 6 is used to make the two adjacent movable rods 5 be in the same horizontal position, the ends of the movable rods 5 at both ends are screwed together with a connecting block 15 by hinge seats, and the top end of the support rod 16 is screwed together with the connecting block 15 by thread, and the support rod 16 is formed by two adjusting rods inserted by bolts, and the length of the support rod 16 is adjusted by bolts, so as to support the two ends of the movable rod 5, and Velcro 18 is arranged on the sides of the movable rods 5 at both ends, so as to fix the movable rods 5 at both ends on the tripod, so as to facilitate carrying;

[0031] The slider 9 is slidably arranged in the slide groove 7. After the limiting screw 10 passes through the opening 8, it is screwed on the slider 9. Through the action of the limiting screw 10, the slider 9 is limited in the slide groove 7;

[0032] The limiting component 6 comprises:

[0033] The limit block 11 is two, and the two limit blocks 11 are respectively slidably set on the bottom surface of the middle moving rod 5 by means of buckles 13, and the ends of the limit blocks 11 are screwed with a resistance shaft 12 by means of a rotating rod, and the resistance shaft 12 is matched with the bottom surface of the moving rod 5 and is set in resistance, and the buckle 13 is slidably set in the groove on the rod wall of the moving rod 5, and the movement of the limit block 11 makes the resistance shaft 12 resist against the other moving rod 5, so that the two moving rods 5 are aligned and in the same horizontal position;

[0034] There are two adjusting screws 14 , which are respectively arranged at the two ends of the middle moving rod 5 , and the ends of the adjusting screws 14 are screwed onto the limit block 11 by bearings, and the moving position of the limit block 11 is controlled by the adjusting screws 14 .

[0035] When using the utility model, the operator first places the tripod in a suitable position, rotates the adjustment column, adjusts the balance board 1 to a horizontal position according to the position of the bubble in the level bubble meter 17, and then rotates the adjustment disk 3 according to the surveying direction, the adjustment disk 3 drives the moving rod 5 to rotate, and then fixes the adjustment disk 3 in a suitable position through the positioning screw 4. After that, the operator installs surveying instruments such as the level on the slider 9. When the surveying instrument is surveying, an obstruction appears in the line of sight and the position of the surveying instrument needs to be adjusted, the operator rotates the adjustment screw 14, and the adjustment screw 14 drives the limit block 11 moves on the middle moving rod 5, and the limit block 11 drives the interference shaft 12 to move, so that the interference shaft 12 interferes with the adjacent moving rod 5 until the two adjacent moving rods 5 are in the same horizontal position. Then the operator uses the bolt to adjust the length of the support rod 16, and screws the support rod 16 on the corresponding connecting block 15 to support the outer moving rod 5. Then the operator moves the slider 9, and the slider 9 drives the surveying and mapping instrument to slide in the slide groove 7, and cooperates with the limit screw 10 to fix the slider 9 in a suitable position, so as to facilitate the use of surveying and mapping instruments such as levels.

[0036] After adopting the above structure, the beneficial effects of this specific implementation are as follows:

[0037] 1. The rotation of the adjusting plate 3 is controlled by the positioning screw 4, so that the moving rod 5 can be rotated to a suitable position, and then the position of the slider 9 in the slide groove 7 can be adjusted by the limiting screw 10, so as to adjust the position of the surveying instrument on the tripod and avoid multiple adjustments of the tripod;

[0038] 2. Set the limit assembly 6 and adjust the moving position of the limit block 11 by adjusting the screw rod 14 to ensure that the adjacent moving rods 5 are in the same horizontal position.

[0039] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A land surveying and mapping device, characterized in that: It contains: A balance board (1), wherein the balance board (1) is arranged on the top of the tripod by means of an adjustment column, and a plurality of connection holes (2) are provided at equal angles in the middle of the balance board (1); An adjusting disk (3), wherein the adjusting disk (3) is screwed to the middle of the balancing plate (1) by means of a rotating rod, and a positioning screw (4) passes through a side wall of the adjusting disk (3) and is screwed into the connecting hole (2) by means of a thread; The moving rods (5) are three in number, and the ends of the three moving rods (5) are connected by hinged seats, the middle moving rod (5) is fixedly arranged on the adjusting plate (3), and a limit assembly (6) is arranged at the connection between adjacent moving rods (5), a slide groove (7) is provided on the moving rod (5), and a plurality of openings (8) are provided on the inner wall of the slide groove (7); The slider (9) is slidably arranged in the slide groove (7), and the limiting screw (10) passes through the opening (8) and is screwed onto the slider (9) through a thread.

2. A land surveying and mapping device according to claim 1, characterized in that: The limiting component (6) comprises: The limit blocks (11) are two in number, and the two limit blocks (11) are respectively slidably arranged on the bottom surface of the middle moving rod (5) by means of buckles (13), and the ends of the limit blocks (11) are screwed with a resistance shaft (12) by means of a rotating rod, the resistance shaft (12) is arranged to be in resistance with the bottom surface of the moving rod (5), and the buckle (13) is slidably arranged in a groove on the rod wall of the moving rod (5); The adjusting screw rod (14) is two in number. The two adjusting screw rods (14) are respectively arranged at the two ends of the middle moving rod (5), and the ends of the adjusting screw rod (14) are screwed onto the limit block (11) by means of bearings.

3. A land surveying and mapping device according to claim 1, characterized in that: The ends of the moving rods (5) at both ends are screwed with connecting blocks (15) by means of hinged seats, the top end of the support rod (16) is screwed on the connecting block (15) by threads, and the support rod (16) is formed by two adjusting rods inserted by bolts.

4. A land surveying and mapping device according to claim 1, characterized in that: The balance board (1) is provided with a horizontal bubble meter (17).

5. A land surveying and mapping device according to claim 1, characterized in that: Velcro (18) is provided on the side surfaces of the moving rods (5) at both ends.

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