Surveying and mapping table for engineering surveying and mapping

Abstract

The utility model belongs to the field of surveying and mapping tables, and particularly relates to an engineering surveying and mapping table which comprises a supporting seat, a hollow cylinder is fixedly connected in the supporting seat, a mounting piece is fixedly connected to the lower portion of the inner side of the hollow cylinder, and an adjusting rod is mounted in the mounting piece through a bearing. The outer side of a rod body of the adjusting rod is connected with an adjusting sleeve through threads, the adjusting sleeve penetrates through the hollow cylinder and is slidably connected with the hollow cylinder, the top of the hollow cylinder is fixedly connected with a connecting base, and a positioning block is clamped in the connecting base. The hollow cylinder is arranged on the mounting seat, the combination of the adjusting rod and the adjusting sleeve is arranged in the hollow cylinder, the connecting seat is arranged at the top of the adjusting sleeve, the surveying instrument is mounted on the connecting seat, and then the connecting seat can be lifted by the aid of threaded movement between the adjusting rod and the adjusting sleeve. Therefore, the height of the surveying instrument is controlled.

Description

Technical Field

[0001] The utility model relates to the field of surveying and mapping platforms, in particular to a surveying and mapping platform for engineering surveying and mapping. Background Art

[0002] Surveying and mapping projects cannot be separated from surveying instruments, which are generally fixed on a tripod during use.

[0003] In the utility model patent with authorization announcement number CN210890878U, a pan-tilt connection device for a support frame used in surveying and mapping engineering is disclosed, which relates to the technical field of connection devices, including a support frame tip, one end of the support frame tip is fixedly connected to an extension leg, one end of the extension leg is fixedly connected to a clamping block, the inside of the clamping block is plugged with a support leg, one end of the support leg is movably connected to a circular shaft, one end of the circular shaft is fixedly connected to a fixed block, and the top of the fixed block is fixedly connected to a base plate.

[0004] However, the existing surveying and mapping platforms are relatively fixed in height during use. When encountering obstacles, they need to be relocated, which is inconvenient. In addition, most surveying and mapping instruments are installed by bolts, which is also inconvenient to disassemble and assemble. Therefore, it is necessary to improve it. Utility Model Content

[0005] The purpose of the utility model is to provide a surveying platform for engineering surveying and mapping, which solves the problem that the existing surveying platforms need to be changed in use when encountering obstacles due to the relatively fixed overall height. At the same time, it solves the problem that most surveying instruments are installed by bolt fixing, and such disassembly and assembly is also inconvenient.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a surveying platform for engineering surveying and mapping, comprising a support seat, a hollow cylinder fixedly connected to the interior of the support seat, a mounting plate fixedly connected to the inner lower part of the hollow cylinder, an adjusting rod installed inside the mounting plate through a bearing, an adjusting sleeve connected to the outer side of the rod body of the adjusting rod through a thread, the adjusting sleeve passes through the hollow cylinder and is slidably connected to the hollow cylinder, a connecting seat is fixedly connected to the top of the hollow cylinder, a positioning block is clamped inside the connecting seat, a surveying instrument is fixedly connected to the top of the positioning block, a quick-release mechanism is provided inside the connecting seat, three supporting legs are hinged to the bottom of the support seat, and a connecting arm is hinged on each supporting leg, a sliding sleeve is hinged at the end of the connecting arm, and the sliding sleeve is slidably sleeved on the outer side of the hollow cylinder.

[0007] Preferably, a limit ring is fixedly connected to the lower outer portion of the hollow cylinder, and the limit ring contacts the sliding sleeve. The setting of the limit ring has a supporting effect on the sliding sleeve.

[0008] Preferably, a knob is fixedly connected to the bottom of the adjusting rod, and the knob is made of plastic. The arrangement of the knob facilitates the rotation of the adjusting rod.

[0009] Preferably, a limit block is fixedly connected to the lower outer portion of the adjustment sleeve, and the limit block is slidably connected to the inner side of the hollow cylinder. The setting of the limit block has a limiting effect on the stroke of the adjustment sleeve.

[0010] Preferably, a guide rod is fixedly connected to the bottom of the connecting seat, and the guide rod passes through the supporting seat and is slidably connected to the supporting seat. The setting of the guide rod has a guiding effect on the lifting of the connecting seat.

[0011] Preferably, the quick-release mechanism includes a locking pin slidably connected to the interior of the connecting base, the locking pin being plugged into a positioning block, a spring being disposed within the connecting base, one end of the spring being fixedly connected to the locking pin, and the other end of the spring being fixedly connected to the inner surface of the connecting base, a lever being fixedly connected to the middle section of the locking pin, the lever penetrating the connecting base and being slidably connected thereto, a limit plate being fixedly connected to the top of the connecting base, a magnetic ring being slidably sleeved on the outer side of the lever body, and the magnetic ring being attracted to the connecting base. The provision of the quick-release mechanism facilitates assembly and disassembly of the surveying instrument.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model provides a hollow cylinder on the mounting base, in which a combination of an adjusting rod and an adjusting sleeve is provided, and a connecting seat is provided on the top of the adjusting sleeve. The surveying instrument is mounted on the connecting seat, and then, the threaded movement between the adjusting rod and the adjusting sleeve is utilized to realize the raising and lowering of the connecting seat, thereby achieving the purpose of controlling the height of the surveying instrument.

[0014] 2. The utility model provides a quick-release mechanism in the connecting seat, which includes a locking pin that is retracted and extended by a spring. The locking pin is inserted into the positioning block at the bottom of the surveying instrument under the action of the spring, and the locking pin is provided with a lever. In this way, the lever can be used to control the clutch of the locking pin in the positioning block, thereby facilitating the disassembly and assembly of the surveying instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For the utility model Figure 1 A three-dimensional diagram of the local structure;

[0017] Figure 3 For the utility model Figure 1 Front cross-sectional view of

[0018] Figure 4 For the utility model Figure 2 A magnified view of the structure of part A.

[0019] In the figure: 1. Support seat; 2. Hollow cylinder; 3. Mounting plate; 4. Adjusting rod; 5. Adjusting sleeve; 6. Connecting seat; 7. Positioning block; 8. Surveying instrument; 9. Quick release mechanism; 10. Guide rod; 11. Knob; 12. Limit block; 13. Support leg; 14. Connecting arm; 15. Sliding sleeve; 16. Limiting ring; 91. Locking pin; 92. Spring; 93. Lever; 94. Limiting plate; 95. Magnetic ring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-3 A surveying platform for engineering surveying and mapping includes a support base 1. A hollow cylinder 2 is fixedly connected to the interior of the support base 1. A mounting plate 3 is fixedly connected to the inner lower portion of the hollow cylinder 2. An adjusting rod 4 is mounted on the interior of the mounting plate 3 via a bearing. A knob 11 is fixedly connected to the bottom of the adjusting rod 4, and the knob 11 is made of plastic. The provision of the knob 11 facilitates the rotation of the adjusting rod 4. An adjusting sleeve 5 is threadedly connected to the outer side of the rod body of the adjusting rod 4. The adjusting sleeve 5 passes through the hollow cylinder 2 and is slidably connected to the hollow cylinder 2. A limit block 12 is fixedly connected to the outer lower portion of the adjusting sleeve 5, and the limit block 12 is slidably connected to the inner side of the hollow cylinder 2. The provision of the limit block 12 has a limiting effect on the travel of the adjusting sleeve 5.

[0022] See also Figure 1-3 The top of the hollow cylinder 2 is fixedly connected to a connecting seat 6, a positioning block 7 is clamped inside the connecting seat 6, and a surveying instrument 8 is fixedly connected to the top of the positioning block 7. The bottom of the connecting seat 6 is fixedly connected to a guide rod 10, which passes through the support seat 1 and is slidably connected to the support seat 1. The setting of the guide rod 10 has a guiding effect on the lifting and lowering of the connecting seat 6. The bottom of the support seat 1 is hinged with three support legs 13, and each support leg 13 is hinged with a connecting arm 14. The end of the connecting arm 14 is hinged with a sliding sleeve 15. The sliding sleeve 15 is slidably connected to the outside of the hollow cylinder 2. The lower part of the outer side of the hollow cylinder 2 is fixedly connected to a limiting ring 16, which is in contact with the sliding sleeve 15. The setting of the limiting ring 16 has a supporting effect on the sliding sleeve 15.

[0023] See also Figure 3-4A quick-release mechanism 9 is provided inside the connecting seat 6. The setting of the quick-release mechanism 9 facilitates the disassembly and assembly of the surveying instrument 8. The quick-release mechanism 9 includes a locking pin 91 slidably connected to the inside of the connecting seat 6. The locking pin 91 is plugged into the positioning block 7. A spring 92 is provided inside the connecting seat 6. One end of the spring 92 is fixedly connected to the locking pin 91. The other end of the spring 92 is fixedly connected to the inner surface of the connecting seat 6. The middle section of the pin body of the locking pin 91 is fixedly connected to a lever 93. The lever 93 passes through the connecting seat 6 and is slidably connected to the connecting seat 6. The top of the connecting seat 6 is fixedly connected to a limiting piece 94. The outer side of the rod body of the lever 93 is slidably sleeved with a magnetic ring 95, and the magnetic ring 95 is attracted to the connecting seat 6.

[0024] The specific implementation process of the present utility model is as follows: when in use, first pull the locking pin 91 through the lever 93 to make it slide in the connecting seat 6 and compress the spring 92, then maintain the state of the locking pin 91, and insert the positioning block 7 at the bottom of the surveying instrument 8 into the connecting seat 6, then release the lever 93, and then the locking pin 91 will be reset under the action of the spring 92 and inserted horizontally into the positioning block 7, thus completing the installation of the surveying instrument 8. In addition, the adjusting rod 4 is rotated by the knob 11, and the adjusting sleeve 5 moves vertically upward through the threaded movement with the adjusting rod 4, and then the adjusting sleeve 5 drives the connecting seat 6 to move upward, thereby driving the surveying instrument 8 to adjust the height position to meet the needs of actual use.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surveying platform for engineering surveying and mapping, comprising a support base (1), characterized in that: The support seat (1) is fixedly connected to a hollow cylinder (2) inside, and a mounting plate (3) is fixedly connected to the inner lower part of the hollow cylinder (2). An adjusting rod (4) is installed inside the mounting plate (3) through a bearing. The outer side of the rod body of the adjusting rod (4) is connected to an adjusting sleeve (5) through a thread. The adjusting sleeve (5) passes through the hollow cylinder (2) and is slidably connected to the hollow cylinder (2). The top of the hollow cylinder (2) is fixedly connected to a connecting seat (6). A positioning block (7) is clamped inside the connecting seat (6). The top of the positioning block (7) is fixedly connected to a surveying instrument (8). A quick-release mechanism (9) is provided inside the connecting seat (6). Three supporting legs (13) are hinged to the bottom of the support seat (1), and a connecting arm (14) is hinged to each supporting leg (13). The end of the connecting arm (14) is hinged to a sliding sleeve (15). The sliding sleeve (15) is slidably sleeved on the outer side of the hollow cylinder (2).

2. The surveying and mapping platform for engineering surveying and mapping according to claim 1, characterized in that: A limiting ring (16) is fixedly connected to the lower outer portion of the hollow cylinder (2), and the limiting ring (16) is in contact with the sliding sleeve (15).

3. The surveying and mapping platform for engineering surveying and mapping according to claim 1, characterized in that: The bottom of the regulating rod (4) is fixedly connected with a knob (11), and the knob (11) is made of plastic.

4. The surveying and mapping platform for engineering surveying and mapping according to claim 1, characterized in that: The lower outer portion of the adjustment sleeve (5) is fixedly connected to a limiting block (12), and the limiting block (12) is slidably connected to the inner side of the hollow cylinder (2).

5. The surveying and mapping platform for engineering surveying and mapping according to claim 1, characterized in that: A guide rod (10) is fixedly connected to the bottom of the connecting seat (6), and the guide rod (10) passes through the supporting seat (1) and is slidably connected to the supporting seat (1).

6. The surveying and mapping platform for engineering surveying and mapping according to claim 1, characterized in that: The quick-release mechanism (9) includes a locking pin (91) slidably connected to the inside of the connecting seat (6), the locking pin (91) is plugged into the positioning block (7), a spring (92) is provided inside the connecting seat (6), one end of the spring (92) is fixedly connected to the locking pin (91), and the other end of the spring (92) is fixedly connected to the inner surface of the connecting seat (6), the middle section of the pin body of the locking pin (91) is fixedly connected to a shifting rod (93), the shifting rod (93) passes through the connecting seat (6) and is slidably connected to the connecting seat (6), the top of the connecting seat (6) is fixedly connected to a limiting plate (94), the outer side of the rod body of the shifting rod (93) is slidably sleeved with a magnetic ring (95), and the magnetic ring (95) is attracted to the connecting seat (6).

Images