Surveying instrument positioning device

Abstract

The utility model discloses a surveying and mapping instrument positioning device, which relates to the technical field of surveying and mapping equipment and comprises a base, supporting columns are movably mounted on two sides of the lower end of the base, a positioning seat is movably mounted at the upper end of the base, and a limiting structure is arranged between the positioning seat and the base. Double-thread screws are rotatably mounted on the two sides of the interior of the positioning seat, the two double-thread screws are in transmission connection through a transmission chain wheel and a transmission chain, the two ends of each double-thread screw are sleeved with movable screw sleeves, under the action of the positioning frame and a clamping block, the surveying instrument can be rapidly fixed, a rotating block drives the double-thread screws to rotate, and therefore the surveying instrument can be rapidly fixed. The two double-thread screws are in transmission connection with each other through a transmission chain wheel and a transmission chain, so that the two double-thread screws rotate synchronously, the movable screw sleeves on the two sides move in the opposite or separated direction, the movable screw sleeves drive the positioning frames to move through the movable blocks, the distance between the two positioning frames is adjusted, and the surveying instrument positioning device can adapt to different types of surveying instruments conveniently.

Description

Technical Field

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

[0002] Surveying and mapping refers to the measurement, collection and mapping of the shape, size, spatial position and attributes of natural geographical elements or artificial facilities on the surface, while surveying and mapping layout refers to the results of measuring the above-mentioned shapes, sizes, spatial positions, etc. using different instruments;

[0003] After searching, a surveying instrument positioning device with a publication number of CN219954740U was disclosed;

[0004] The existing surveying instrument is inserted into the interior of the mounting frame at the upper end of the tripod through the insertion strip at the lower end. Although this fixing method can quickly fix the surveying instrument, it can only be adapted to one type of surveying instrument and cannot install different types of surveying instruments. It is also easy to cause shaking, affecting the use of the surveying instrument. At the same time, the surveying instrument installed on the upper end of the tripod is easily affected by external force, resulting in changes in angle, affecting the user's operation. Utility Model Content

[0005] The purpose of the utility model is to provide a surveying and mapping instrument positioning device, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A surveying instrument positioning device comprises a base, support columns are movably installed on both sides of the lower end of the base, a positioning seat is movably installed on the upper end of the base, a limiting structure is arranged between the positioning seat and the base, double-thread screws are rotatably installed on both sides inside the positioning seat, and the two double-thread screws are connected to each other through a transmission sprocket and a transmission chain, and movable screw sleeves are sleeved on both ends of the double-thread screws, and a movable block is installed on the upper end of the movable screw sleeve, and a positioning frame is installed on the upper end of the movable block movably inserted in the outer side of the positioning seat, and the two positioning frames are symmetrically distributed, and an installation groove is opened on one side of the interior of the positioning frame, and a fixing spring is fixedly installed in the interior of the installation groove, and a blocking block is fixedly installed on one end of the fixing spring, and one end of the blocking block is movably inserted in the interior of the mounting frame, and one end of the blocking block is inclined, and a disassembly structure is arranged on one side of the two positioning frames.

[0008] As a further optimization scheme of the utility model, both sides of the upper end of the positioning seat are provided with sliding grooves, the moving block is movably inserted in the sliding grooves, and one end of the double-thread screw is movably inserted in the outer side of the positioning seat and is equipped with a rotating block.

[0009] As a further optimization solution of the utility model, the limiting structure includes an annular groove, which is opened at the lower end of the positioning seat, and an annular rail is provided at the upper end of the base, and the annular rail is adapted to the annular groove.

[0010] As a further optimization scheme of the utility model, a groove is provided on one side of the annular groove, a fixing gear ring is arranged inside the groove, a movable groove is provided on one side inside the positioning seat, a clamping rod passes through the inside of the movable groove, one end of the clamping rod is movably inserted into the groove, and a fixing tooth block that is clamped with the fixing gear ring is installed on one end of the clamping rod.

[0011] As a further optimization solution of the utility model, a movable block is sleeved on the surface of the clamping rod, the movable block is located inside the movable groove, and a compression spring connected to the movable block is sleeved on the surface of the clamping rod.

[0012] As a further optimization scheme of the utility model, the disassembly structure includes a connecting block, which is movably installed inside the installation groove, one end of the connecting block is fixedly connected to the clamping block, and the other end of the connecting block is located on the outside of the positioning frame, and an adjustment groove is opened on the surface of the connecting block.

[0013] As a further optimization scheme of the utility model, a mounting seat is fixedly installed on one side of the positioning, two mounting blocks are fixedly installed on both sides of the upper end of the mounting seat, a sliding rod is fixedly installed between the two mounting blocks, a connecting rod is sleeved on the surface of the two sliding rods, a movable groove is opened on the surface of the connecting rod, and a return spring connected to the connecting rod is sleeved on the surface of the sliding rod.

[0014] As a further optimization scheme of the utility model, an adjusting rod is movably installed on one side of the positioning frame, an adjusting block is fixedly installed on one end of the adjusting rod, one end of the adjusting block is movably inserted into the interior of the adjusting groove, one side of the adjusting block is inclined, the other end of the adjusting rod is movably inserted into the interior of the movable groove, and two blocks are provided on the surface of the adjusting rod, and the blocks are located on both sides of the connecting rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model discloses a surveying instrument positioning device, which can quickly fix the surveying instrument under the action of the positioning frame and the clamping block, the rotating block drives the double-thread screw to rotate, and the two double-thread screws are connected to each other through a transmission sprocket and a transmission chain, so that the two double-thread screws rotate synchronously, and the movable screw sleeves on both sides move in relative or separate directions, and the movable screw sleeve drives the positioning frame to move through the movable block, and the distance between the two positioning frames is adjusted, so as to facilitate the adaptation to different types of surveying instruments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the installation location of the positioning seat of the utility model;

[0019] Figure 3 It is a half-section structure schematic diagram of the installation position of the positioning seat of the utility model;

[0020] Figure 4 for Figure 3 The enlarged structural diagram at A in the middle;

[0021] Figure 5 This is a schematic diagram of a half-section structure of a positioning frame of the utility model;

[0022] Figure 6 for Figure 5 Enlarged structural diagram at B in the middle.

[0023] In the figure: 1. base; 2. support column; 3. positioning seat; 4. positioning frame; 5. mounting seat; 6. mounting block; 7. sliding rod; 8. return spring; 9. connecting rod; 10. movable groove; 11. adjusting rod; 12. adjusting block; 13. double-thread screw; 14. movable screw sleeve; 15. movable block; 16. clamping block; 17. annular rail; 18. annular groove; 19. fixing gear ring; 20. clamping rod; 21. movable block; 22. fixing gear block; 23. compression spring; 24. stopper; 25. fixing spring; 26. connecting block; 27. adjusting groove. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figures 1 to 5As shown, the utility model provides a surveying instrument positioning device, a surveying instrument positioning device, including a base 1, both sides of the lower end of the base 1 are movably mounted with support columns 2, the upper end of the base 1 is movably mounted with a positioning seat 3, both sides of the interior of the positioning seat 3 are rotatably mounted with double-thread screws 13, the two double-thread screws 13 are mutually connected through a transmission sprocket and a transmission chain, both ends of the double-thread screw 13 are sleeved with a moving screw sleeve 14, the upper end of the moving screw sleeve 14 is mounted with a moving block 15, and the upper end of the moving block 15 is movably inserted A positioning frame 4 is installed on the outer side of the positioning seat 3, and the two positioning frames 4 are symmetrically distributed. A mounting groove is opened on one side of the positioning frame 4, and a clamping spring 25 is fixedly installed inside the mounting groove. A clamping block 16 is fixedly installed on one end of the clamping spring 25, and one end of the clamping block 16 is inclined. A disassembly structure is set on one side of the two positioning frames 4. Slide grooves are opened on both sides of the upper end of the positioning seat 3. The moving block 15 is movably inserted in the inside of the slide groove. One end of the double-thread screw 13 is movably inserted in the outer side of the positioning seat 3 and a rotating block is installed.

[0026] In this example, the insert strip at the lower end of the surveying instrument can be inserted into the interior of the two positioning frames 4. When the insert strip contacts the internal block 16 of the positioning frame 4, the block 16 is squeezed into the interior of the installation groove to compress the retaining spring 25. When the surveying instrument is fully inserted into the interior of the positioning frame 4, the block 16 is disengaged from the lower end of the surveying instrument. The block 16 pops out under the action of the retaining spring 25, so that one side of the block 16 fits with the surveying instrument, thereby facilitating the rapid installation of the surveying instrument. The user rotates the block, and the rotating block drives the double-thread screw 13 to rotate. The two double-thread screws 13 are connected to each other through a transmission sprocket and a transmission chain, so that the two double-thread screws 13 rotate synchronously, and the movable screw sleeves 14 on both sides move in relative or separate directions. The movable screw sleeve 14 drives the positioning frame 4 to move through the movable block 15, and the distance between the two positioning frames 4 is adjusted to facilitate adaptation to different types of surveying instruments.

[0027] like Figure 3 and Figure 4 As shown, the utility model provides a surveying instrument positioning device, a limiting structure is arranged between the positioning seat 3 and the base 1, the limiting structure includes an annular groove 18, the annular groove 18 is arranged at the lower end of the positioning seat 3, the upper end of the base 1 is arranged with an annular rail 17, the annular rail 17 is adapted to the annular groove 18, a groove is arranged on one side of the annular groove 18, a fixing gear ring 19 is arranged inside the groove, a movable groove is arranged on one side inside the positioning seat 3, a clamping rod 20 is penetrated inside the movable groove, one end of the clamping rod 20 is movably inserted inside the groove, a fixing tooth block 22 clamped with the fixing gear ring 19 is installed on one end of the clamping rod 20, a movable block 21 is sleeved on the surface of the clamping rod 20, the movable block 21 is located inside the movable groove, and a compression spring 23 connected with the movable block 21 is sleeved on the surface of the clamping rod 20;

[0028] In this example, the user pulls the clamping rod 20, which drives the movable block 21 to move inside the movable groove, compressing the clamping spring 23. The clamping rod 20 drives the fixed tooth block 22 at one end to move, so that the fixed tooth block 22 is disengaged from the fixed gear ring 19, and the positioning seat 3 can rotate on the surface of the annular rail 17. When it is rotated to a suitable position, the clamping rod 20 returns to its original position under the action of the clamping spring 23, and the fixed tooth block 22 is clamped with the fixed gear ring 19, limiting the position of the positioning frame 4, thereby limiting the angle of the surveying instrument to prevent unintentional touch, causing the surveying instrument to rotate, and affecting the user's use.

[0029] like Figures 1 to 6 As shown, the utility model provides a surveying instrument positioning device, one end of the clamping block 16 is movably inserted into the interior of the mounting frame, the disassembly structure includes a connecting block 26, the connecting block 26 is movably installed in the interior of the mounting groove, one end of the connecting block 26 is fixedly connected to the clamping block 16, the other end of the connecting block 26 is located on the outside of the positioning frame 4, the surface of the connecting block 26 is provided with an adjustment groove 27, a mounting seat 5 is fixedly installed on one side of the positioning, two mounting blocks 6 are fixedly installed on both sides of the upper end of the mounting seat 5, a sliding rod 7 is fixedly installed between the two mounting blocks 6, and the two A connecting rod 9 is sleeved on the surface of the root slide bar 7, a moving groove 10 is opened on the surface of the connecting rod 9, a return spring 8 connected to the connecting rod 9 is sleeved on the surface of the slide bar 7, an adjusting rod 11 is movably installed on one side of the positioning frame 4, an adjusting block 12 is fixedly installed on one end of the adjusting rod 11, one end of the adjusting block 12 is movably inserted into the inside of the adjusting groove 27, one side of the adjusting block 12 is inclined, and the other end of the adjusting rod 11 is movably inserted into the inside of the moving groove 10, and two stoppers 24 are sleeved on the surface of the adjusting rod 11, and the stoppers 24 are located on both sides of the connecting rod 9;

[0030] In this example, when disassembling the surveying instrument, the user pushes the connecting rod 9, and the connecting rod 9 moves along the sliding rod 7 to compress the reset spring 8. The connecting rod drives the adjusting rod 11 to move through the stop block 24, and the adjusting rod 11 drives the adjusting block 12 to move. The adjusting block 12 moves inside the adjusting groove 27, so that the connecting block 26 moves toward the outside of the positioning frame 4. When the connecting block 26 moves, it drives the clamping block 16 to move, so that the clamping block 16 is put into the inside of the installation groove, and the surveying instrument can be pulled out from the inside of the two positioning frames 4, thereby facilitating the rapid disassembly of the surveying instrument.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A surveying instrument positioning device, comprising a base (1), wherein support columns (2) are movably mounted on both sides of the lower end of the base (1), and characterized in that: A positioning seat (3) is movably mounted on the upper end of the base (1), a limiting structure is arranged between the positioning seat (3) and the base (1), double-thread screws (13) are rotatably mounted on both sides of the interior of the positioning seat (3), the two double-thread screws (13) are connected to each other by a transmission sprocket and a transmission chain, both ends of the double-thread screws (13) are sleeved with a movable screw sleeve (14), the upper end of the movable screw sleeve (14) is mounted with a movable block (15), and the upper end of the movable block (15) is A positioning frame (4) is installed on the outer side of the positioning seat (3) so as to be movably inserted therein, and the two positioning frames (4) are symmetrically distributed. A mounting groove is provided on one side of the interior of the positioning frame (4), and a clamping spring (25) is fixedly installed inside the mounting groove. A clamping block (16) is fixedly installed on one end of the clamping spring (25), and one end of the clamping block (16) is movably inserted therein, and one end of the clamping block (16) is inclined. A disassembly structure is provided on one side of the two positioning frames (4).

2. A surveying and mapping instrument positioning device according to claim 1, characterized in that: Slide grooves are provided on both sides of the upper end of the positioning seat (3), the moving block (15) is movably inserted into the inside of the slide grooves, and one end of the double-thread screw (13) is movably inserted into the outer side of the positioning seat (3) and is equipped with a rotating block.

3. A surveying and mapping instrument positioning device according to claim 1, characterized in that: The limiting structure comprises an annular groove (18), the annular groove (18) is opened at the lower end of the positioning seat (3), and the upper end of the base (1) is provided with an annular rail (17), and the annular rail (17) is adapted to the annular groove (18).

4. A surveying and mapping instrument positioning device according to claim 3, characterized in that: A groove is provided on one side of the annular groove (18), a fixing gear ring (19) is arranged inside the groove, a movable groove is provided on one side inside the positioning seat (3), a clamping rod (20) passes through the inside of the movable groove, one end of the clamping rod (20) is movably inserted into the groove, and one end of the clamping rod (20) is installed with a fixing tooth block (22) that is clamped with the fixing gear ring (19).

5. A surveying and mapping instrument positioning device according to claim 4, characterized in that: A movable block (21) is sleeved on the surface of the clamping rod (20), and the movable block (21) is located inside the movable groove. A compression spring (23) connected to the movable block (21) is sleeved on the surface of the clamping rod (20).

6. A surveying and mapping instrument positioning device according to claim 1, characterized in that: The disassembly structure comprises a connecting block (26), wherein the connecting block (26) is movably mounted inside the mounting groove, one end of the connecting block (26) is fixedly connected to the clamping block (16), the other end of the connecting block (26) is located outside the positioning frame (4), and an adjustment groove (27) is provided on the surface of the connecting block (26).

7. A surveying and mapping instrument positioning device according to claim 6, characterized in that: A mounting seat (5) is fixedly installed on one side of the positioning, two mounting blocks (6) are fixedly installed on both sides of the upper end of the mounting seat (5), a sliding rod (7) is fixedly installed between the two mounting blocks (6), the surfaces of the two sliding rods (7) are sleeved with connecting rods (9), the surfaces of the connecting rods (9) are provided with moving grooves (10), and the surfaces of the sliding rods (7) are sleeved with a return spring (8) connected to the connecting rod (9).

8. A surveying and mapping instrument positioning device according to claim 7, characterized in that: An adjusting rod (11) is movably mounted on one side of the positioning frame (4); an adjusting block (12) is fixedly mounted on one end of the adjusting rod (11); one end of the adjusting block (12) is movably inserted into the interior of the adjusting groove (27); one side of the adjusting block (12) is inclined; the other end of the adjusting rod (11) is movably inserted into the interior of the moving groove (10); two stoppers (24) are sleeved on the surface of the adjusting rod (11); the stoppers (24) are located on both sides of the connecting rod (9).

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