CN114413151A - A geodetic elevation reference precision measurement system and measurement method based on satellite navigation and positioning reference station - Google Patents

Abstract

The invention discloses a geodetic height datum precision measuring system and a measuring method based on a satellite navigation positioning reference station, which comprises a butt joint seat and a lifting mechanism measuring system host, wherein a lifting mechanism is vertically arranged at the upper end of the butt joint seat, three locking hinges are arranged on the circular outer wall of the butt joint seat at equal intervals, a novel placing and reinforcing device is respectively added on the three support frames of the precision measuring system close to the lower side, the novel placing and reinforcing device can reinforce the support frames placed on the ground when in use, after the three support frames are arranged in a triangular shape and are all inserted and supported on the ground through the ground, the placing and reinforcing device is inserted into the ground and is in a right angle state with the ground, the placing and reinforcing device in the right angle state and the support frame in the inclined state can form a mutual restriction effect, so that the support frames can be reinforced and placed through the formed restriction angle, the support frame can stably support the measuring system host for measuring operation.

Description

A geodetic elevation reference precision measurement system and measurement method based on satellite navigation and positioning reference station

technical field

The invention belongs to the technical field of precision measurement systems, and in particular relates to a geodetic elevation reference precision measurement system and a measurement method based on a satellite navigation and positioning reference station.

Background technique

The elevation datum is the starting basis for calculating all the level elevations in the national unified elevation control network. It includes a level base and a permanent level origin. Using long-term retrospective observation data combined with the tidal change cycle of the sun and the moon, through the low-pass filtering method Calculate the mean sea level of the area, and use this mean sea level as the local elevation starting surface of a certain country or region, thereby forming a local elevation datum, and consider that the mean sea level at the elevation datum point coincides with the geoid, Generally, the geoid is theoretically used, which is a still sea surface extending to the world and is also an isosurface of the earth's gravity. In fact, the standard base is the average sea level calculated from the long-term observation results of the tide gauge station, and the elevation datum is used. The surface is the unified starting surface of the ground point elevation. All the elevations measured by leveling are calculated from this surface as zero, that is, the elevation datum is used as the zero-elevation surface.

The existing precision measurement system technology has the following problems: the existing precision measurement system is mainly used on the ground through tripod support, and the precision measurement system in use can be directly passed through the satellite navigation locator in real time. The wireless signal communicates with the satellite, so that the mainframe of the measurement system can be remotely navigated and positioned, which is convenient for remote monitoring and use of the mainframe of the measurement system. Because the precision measurement system is placed outdoors through a tripod, it is affected by external forces or strong winds. Under the weather, it is easy to cause the support frame placed on the ground to shake or fall directly, which will interrupt the measurement process of the mainframe of the measurement system, and also easily damage the mainframe of the measurement system.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a geodetic elevation reference precision measurement system and measurement method based on a satellite navigation and positioning reference station, so as to solve the problem proposed in the above-mentioned background technology because the precision measurement system is placed outdoors through a tripod, and Under the action of external force or strong wind, the support frame placed on the ground will easily shake or fall directly, which will interrupt the measurement process of the mainframe of the measurement system and also easily damage the mainframe of the measurement system.

In order to achieve the above purpose, the present invention provides the following technical solutions: a geodetic elevation datum precision measurement system and measurement method based on a satellite navigation and positioning reference station, including a docking seat, a lifting mechanism and a mainframe of the measurement system, and the lifting mechanism is vertical. Installed on the upper end of the docking seat, three locking hinges are equidistantly arranged on the circular outer wall of the docking seat. The lower ends of the supporting frames are all sleeved with fixing sleeves, the lower ends of the three fixing sleeves are all provided with ground inserts, and the outer walls on both sides of the three supporting frames near the bottom are provided with placement reinforcement devices. The upper end is provided with the main unit of the measuring system. The lifting mechanism is composed of a butt flange, a height locking shaft, an opening reinforcement sleeve, a butt top seat, a lifting column and a lifting sleeve. The lowermost circular outer wall of the lifting sleeve is formed. A butt flange is sleeved, the butt flange is arranged on the upper end of the docking seat by screws, an opening reinforcement sleeve is sleeved on the circular outer part of the upper end of the lifting sleeve, and the vertical inner part of the lifting sleeve and the opening reinforcement sleeve is sleeved. There is a lifting column passing through, a height locking shaft is passed through the opening reinforcement sleeve and the outer wall of the left end of the lifting sleeve, the lower end of the lifting column is passing through the docking seat, the upper end of the lifting column is passing through the opening reinforcement sleeve, and the upper end of the lifting column is passing through the opening reinforcement sleeve. A docking top seat is provided, the main unit of the measurement system is arranged on the upper end of the docking top seat, and the placement and reinforcement device includes a conical insert tip, a prismatic elongated insert rod, an insert rod sliding sleeve, an adjustable position sleeve, a top stop, Connect the rotating shaft and the insertion rod locking bolt, the adjustable position sleeve is sleeved on the outside of the support frame near the lower side, the left and right sides of the adjustable position sleeve are provided with insertion rod sliding sleeves, and the adjustable position sleeve is connected with the two insertion rods. The rod sliding sleeves are connected by connecting shafts, the vertical interiors of the two sliding rod sliding sleeves are penetrated with prismatic elongated insertion rods, and the upper ends of the two prismatic elongated insertion rods are provided with top stops. The lower ends of the prism elongated insertion rods are all provided with conical insertion tips, and insertion rod locking bolts are penetrated on one side outer wall of the two insertion rod sliding sleeves.

Preferably, a plurality of precision measurement windows are embedded in the main body of the measurement system close to the upper circular outer wall at equal distances, and control buttons are embedded in the outer wall of the front end of the main body of the measurement system close to the lower side. The upper end of the system host is provided with a satellite navigation locator.

Preferably, the support frame is made of aluminum alloy, the angle of the support frame can be adjusted by a locking hinge, and the use angle of the support frame can be locked after the locking hinge is tightened.

Preferably, the docking seat and the docking flange are fixedly connected by screws, and paint is sprayed on the outer walls of the support frame, the docking seat, the docking flange and the lifting sleeve.

Preferably, the lifting column is a solid stainless steel cylindrical rod, the circular outer wall of the lifting column is fitted with the circular inner wall of the lifting sleeve, and the lifting column can slide up and down inside the lifting sleeve.

Preferably, a plurality of precision measurement windows on the mainframe of the measurement system can be measured at the same time, and a plurality of the precision measurement windows can be measured at 360 degrees without dead angle when working. Physical push design.

Preferably, the length of the lifting column is equal to the length of the support frame, the lifting column and the docking top seat are fixedly connected by welding, and the height locking shaft can lock the use height of the lifting column after being tightened.

Preferably, the length of the prismatic elongated insertion rod is half of the length of the support frame, the adjustable sleeve can change the use position on the support frame, and the sliding sleeve of the insertion rod can be placed on the adjustable sleeve through the connecting shaft. Rotate the side clockwise and counterclockwise.

Compared with the prior art, the present invention provides a geodetic elevation reference precision measurement system and measurement method based on a satellite navigation and positioning reference station, and has the following beneficial effects:

1. In the present invention, a new type of placement and reinforcement device is added to the outside of the three support frames of the precision measurement system near the lower side. The new type of placement and reinforcement device can reinforce the support frame placed on the ground when in use. When the three support frames are arranged in a triangle and are supported on the ground by the ground inserts, the placement reinforcement device is inserted into the ground at a right angle to the ground, while the placement reinforcement device in the right angle state is in a tilted state. The supporting frame can form a mutual restraint effect, so that the supporting frame can be placed and strengthened through the formed constraint angle, so as to avoid the shaking or direct dumping of the supporting frame placed on the ground in strong wind and other weather. In this way, it can be ensured that the support frame can stably support the mainframe of the measurement system for measurement operations, and the new type of placement and reinforcement device can be slid to the highest state when not in use, so that the normal adjustment and placement of the support frame will not be affected. support;

2. The specific use method of the placement and reinforcement device of the present invention is as follows. When the entire precision measurement system is placed on the ground through three support frames, the ground plugs at the lower ends of the three support frames are all plugged into the ground, so that the To avoid the situation that the support frame is prone to displacement and the change of support angle, and after the support frame is placed, it is necessary to use a placement reinforcement device to place and reinforce the support frame supported on the ground, so as to operate the placement reinforcement on a support frame. Take the device as an example. First, adjust the adjustable sleeve on the support frame to the best use position and lock it. Then, it is necessary to pass the two prism extension rods through the conical plug points at the bottom from top to bottom respectively. Inserting rod sliding sleeve, and the two insertion rod sliding sleeves are connected to the outside of the two ends of the adjustable sleeve through the connecting shaft respectively, and at this time, the two insertion rod sliding sleeves are both perpendicular to the ground through the rotation of the connecting shaft. state, so that the prismatic extension rods running through the sliding sleeve of the rods are in a vertical state with the ground, and then the prismatic extension rods need to be pressed down, so that both prismatic extension rods can pass through the conical plug at the lower end. Insert into the ground until the top stopper at the top of the two prism extension rods is blocked on the upper end of the rod slide sleeve, then it is necessary to tighten the rod lock bolt on the rod slide sleeve, so that the rod lock bolt is extended to the prism. The insertion rod plays a locking role to avoid the looseness of the prismatic extension rod. At this time, the prismatic extension rod inserted vertically into the ground is firmly fixed, while the prismatic extension rod in the vertical state is connected to the inclined state. The support frame will play a role of placement and reinforcement, so that the support frame can be firmly nailed to the ground and play a supporting and placing role, avoiding the situation that the support frame is prone to shaking or tipping under the action of external force, and ensuring the measurement The system host can accurately and stably complete the measurement operation.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention, but not to limit the present invention. In the accompanying drawings:

1 is a schematic structural diagram of a geodetic elevation reference precision measurement system and a measurement method based on a satellite navigation and positioning reference station proposed by the present invention;

Fig. 2 is the plane structure schematic diagram of the lifting mechanism proposed by the present invention;

3 is a schematic diagram of the plane structure of the mainframe of the measurement system proposed by the present invention;

FIG. 4 is a schematic diagram of the plane structure of the placement and reinforcement device proposed by the present invention;

In the figure: 1. Ground plug; 2. Fixed sleeve; 3. Placement reinforcement device; 4. Support frame; 5. Locking hinge; 6. Docking seat; 7. Lifting mechanism; 8. Measuring system host; 9. Docking flange; 10. Height locking shaft; 11. Opening reinforcement sleeve; 12. Docking top seat; 13. Lifting column; 14. Lifting sleeve; 15. Precision measuring window; 16. Control button; 17. Satellite navigation positioning 18. Conical insert tip; 19. Prismatic extension inserting rod; 20. Inserting rod sliding sleeve; 21. Adjustable position sleeve; 22. Top stop; 23. Connecting shaft; 24. Inserting rod locking bolt.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

Please refer to FIG. 1, FIG. 2, and FIG. 3. The present invention provides a technical solution: a geodetic elevation reference precision measurement system and measurement method based on a satellite navigation and positioning reference station, including a docking seat 6 and a lifting mechanism 7. The mechanism 7 is vertically installed on the upper end of the docking seat 6, and three locking hinges 5 are arranged at equal distances on the circular outer wall of the docking seat 6, and the three locking hinges 5 are all provided with downwardly protruding support frames 4, The lower ends of the three support frames 4 are all sleeved with a fixed sleeve 2 , and the lower ends of the three fixed sleeves 2 are all provided with a ground plug 1 . The support frame 4 is made of aluminum alloy. The angle is rotated and adjusted. After the locking hinge 5 is tightened, the use angle of the support frame 4 can be locked. When the support frame 4 is used for support and placement, the locking hinge 5 needs to be loosened first to lose the angle locking force on the support frame 4. Then adjust the supporting use angle of the three support frames 4, then maintain the adjusted angle and re-tighten the locking hinge 5, so that the three support frames 4 are all fixed at the adjusted use angle, and the three support frames 4 The outer walls on both sides near the bottom are provided with placement and reinforcement devices 3. The upper end of the lifting mechanism 7 is provided with a measurement system host 8. The measurement system host 8 is close to the upper circular outer wall and has a plurality of precision measurement windows embedded at equal distances. 15. Control buttons 16 are embedded in the outer wall of the front end of the main body of the measurement system 8 near the lower side. The upper end of the main body of the measurement system 8 is provided with a satellite navigation locator 17 , and a plurality of precision measurement windows 15 on the main body of the measurement system 8 can be used. The measurement is carried out at the same time, and the multiple precision measurement windows 15 can be measured at 360 degrees without dead angle when working. The control button 16 adopts a physical pressing design. , the measurement system host 8 can perform 360-degree non-dead angle measurement through the precise measurement window 15, so as to avoid the tedious operation of adjusting the measurement angle of the measurement system host 8, so that the measurement system host 8 can pass the support After the rack 4 is placed, it can be measured without adjustment. The lifting mechanism 7 is composed of a docking flange 9, a height locking shaft 10, an opening reinforcement sleeve 11, a docking top seat 12, a lifting column 13 and a lifting sleeve 14. A butt flange 9 is sleeved on the circular outer wall of the lowermost end of the sleeve 14 , the docking seat 6 and the docking flange 9 are fixedly connected by screws, the support frame 4 , the docking seat 6 , the docking flange 9 and the outer wall of the lifting sleeve 14 They are all sprayed with paint, and the paint can form a dense anti-oxidation protective layer on the metal outer wall, which can prevent the external environment from directly eroding the metal outer wall and cause the metal outer wall to rust, thereby increasing the entire satellite-based navigation positioning reference station. The service life of the geodetic and elevation reference precision measurement system, the docking flange 9 is set on the upper end of the docking seat 6 by screws, the upper end of the lifting sleeve 14 is sleeved with an opening reinforcement sleeve 11, and the lifting sleeve 14 and the opening reinforcement sleeve 11 A lifting column 13 runs through the vertical interior of 11 , a height locking shaft 10 runs through the opening reinforcement sleeve 11 and the outer wall of the left end of the lifting sleeve 14 , the lower end of the lifting column 13 penetrates the docking seat 6 , and the upper end of the lifting column 13 penetrates the opening reinforcement sleeve 11 . , lift The upper end of the column 13 is provided with a docking top seat 12, the measurement system host 8 is arranged on the upper end of the docking top seat 12, the lifting column 13 is a solid stainless steel cylindrical rod, the circular outer wall of the lifting column 13 and the circular shape of the lifting sleeve 14. The inner wall is attached, the lifting column 13 can slide up and down inside the lifting sleeve 14, the length of the lifting column 13 is equal to the length of the support frame 4, the lifting column 13 and the docking top seat 12 are fixedly connected by welding, and the height locking shaft 10 is tightened The use height of the lift column 13 can be locked, and the use height of the measurement system host 8 can be changed by sliding the lift column 13 up and down and locking, thereby increasing the use flexibility and measurement range of the measurement system host 8 .

Embodiment 2

Please refer to FIG. 1 , FIG. 2 , and FIG. 4 , the present invention provides a technical solution: a geodetic elevation reference precision measurement system and measurement method based on a satellite navigation and positioning reference station, the placement reinforcement device 3 includes a conical insert tip 18 , Prismatic extension rod 19, rod sliding sleeve 20, adjustable position sleeve 21, top stopper 22, connecting shaft 23 and plug rod locking bolt 24, the adjustable position sleeve 21 is sleeved on the outside of the support frame 4 near the lower side, Both the left and right sides of the adjustable position sleeve 21 are provided with insert rod sliding sleeves 20 , and the adjustable position sleeve 21 and the two inserted rod sliding sleeves 20 are connected by a connecting shaft 23 . Prism lengthening inserting rods 19 are penetrated through, the upper ends of the two prism lengthening inserting rods 19 are provided with top stoppers 22, the lower ends of the two prismatic lengthening inserting rods 19 are provided with conical inserting tips 18, and the two inserting rod sliding sleeves One side outer wall of 20 is provided with inserting rod locking bolts 24, the length of the prismatic elongated inserting rod 19 is half of the length of the support frame 4, the adjustable position sleeve 21 can change the use position on the support frame 4, the inserting rod sliding sleeve 20 can be rotated clockwise and counterclockwise on the side of the adjustable sleeve 21 through the connecting shaft 23. When using the placement and reinforcement device 3, firstly, the adjustable sleeve 21 needs to be adjusted on the support frame 4 to the best use position and locked, and then Then it is necessary to pass the two prismatic extension rods 19 through the two rod sliding sleeves 20 from top to bottom through the conical plug tip 18 at the bottom, and the two plugging rod sliding sleeves 20 are respectively connected to the adjustable rod through the connecting shaft 23. Both ends of the position sleeve 21 are outside, and at this time, the two insertion rod sliding sleeves 20 are in a vertical state with the ground through the rotating action of the connecting shaft 23, so that the prismatic elongated insertion rod 19 passing through the insertion rod sliding sleeve 20 is both connected to the ground. The ground is in a vertical state, and then it is necessary to press down the prism extension rods 19, so that the two prism extension rods 19 can be inserted into the ground through the conical plug tips 18 at the lower end until the two prism extension rods 19 The top stop 22 at the top is blocked on the upper end of the plunger sliding sleeve 20, and then the plunger locking bolt 24 on the plunger sliding sleeve 20 needs to be tightened, so that the plunger locking bolt 24 has a locking effect on the prismatic elongated plunger 19 , to avoid the looseness of the prism extension rod 19. At this time, the prism extension rod 19 vertically inserted in the ground is firmly fixed, while the prism extension rod 19 in the vertical state and the support frame 4 in the inclined state are firmly fixed. All of them will play the role of placement and reinforcement, so that the support frame 4 can be firmly nailed to the ground and play the role of support and placement.

The working principle and use process of the present invention: after the present invention is installed, when assembling and using the geodetic and elevation reference precision measurement system based on the satellite navigation and positioning reference station, it is first necessary to install the satellite navigation and positioning device 17 to the mainframe of the measurement system 8, and the satellite navigation locator 17 is electrically connected to the battery inside the measurement system host 8, and the satellite navigation locator 17 in use can communicate with satellites through wireless signals in real time, so that the measurement system can be remotely monitored. The host 8 performs navigation and positioning, which is convenient for remote monitoring and use of the measuring system host 8. Then, the lifting sleeve 14 needs to be installed on the docking seat 6 at the upper end of the three support frames 4 through the circular outer docking flange 9 at the lower end, and then Then the lifting column 13 needs to be inserted into the lifting sleeve 14 through the opening reinforcement sleeve 11, and the lower end of the lifting column 13 penetrates the docking seat 6 and can complete the lifting adjustment, then the lifting column 13 needs to be lowered to make it in the lowest state, and then Then it is necessary to install the main unit 8 of the measurement system with the satellite navigation locator 17 at the top on the docking top seat 12 at the upper end of the lifting column 13, and then the entire earth, the earth, The height reference precision measurement system is supported and placed on the ground. When using the support frame 4 to support and place it, firstly, you need to loosen the locking hinge 5 to make it lose the angle locking force on the support frame 4, and then adjust the three support frames 4. Adjust the supporting use angle, then maintain the adjusted angle and re-tighten the locking hinge 5, so that the three supporting frames 4 are fixed at the adjusted use angle, and then support the three supporting frames 4 and place them on the ground. , and the ground plugs 1 at the lower ends of the three support frames 4 are all plugged into the ground, so that the entire ground and elevation reference precision measurement system based on the satellite navigation and positioning reference station can be stably and firmly placed on the ground through the support frame 4 In use, after the measuring system host 8 is placed on the ground through the support frame 4, the measuring system host 8 can perform a 360-degree non-dead angle measurement through the precise measurement window 15, thereby avoiding the need to adjust the measuring system host. The tedious operation of measuring the angle of 8 makes the measurement system mainframe 8 can be measured without adjustment after being placed through the support frame 4 .

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

Claims (9)

1. a geodetic elevation reference precision measurement system based on a satellite navigation and positioning reference station, comprising a docking seat (6), a lifting mechanism (7) and a measuring system host (8), it is characterized in that: the lifting mechanism (7) ) is vertically installed on the upper end of the docking seat (6), and three locking hinges (5) are equidistantly arranged on the circular outer wall of the docking seat (6). A support frame (4) protruding downward is provided, the lower ends of the three support frames (4) are all sleeved with a fixing sleeve (2), and the lower ends of the three fixing sleeves (2) are all provided with ground Insert (1), the three supporting frames (4) are provided with mounting reinforcement devices (3) on the outer walls of both sides near the bottom, and the upper end of the lifting mechanism (7) is provided with a measuring system host (8), so The lifting mechanism (7) is composed of a docking flange (9), a height locking shaft (10), an opening reinforcement sleeve (11), a docking top seat (12), a lifting column (13) and a lifting sleeve (14) together. , a butting flange (9) is sleeved on the circular outer wall of the lowermost end of the lifting sleeve (14), and the butting flange (9) is arranged on the upper end of the docking seat (6) by screws, and the lifting sleeve (14) An opening reinforcement sleeve (11) is sleeved on the circular outer part of the upper end, and a lifting column (13) runs through the vertical interior of the lifting sleeve (14) and the opening reinforcement sleeve (11), and the opening reinforcement sleeve ( 11) A height locking shaft (10) runs through the outer wall of the left end of the lifting sleeve (14), the lower end of the lifting column (13) passes through the docking seat (6), and the upper end of the lifting column (13) passes through the opening reinforcement sleeve (11), the upper end of the lifting column (13) is provided with a docking top seat (12), the measurement system host (8) is arranged on the upper end of the docking top seat (12), and the mounting reinforcement device (3) Including tapered insert tip(18), prism extended insert rod(19), insert rod sliding sleeve(20), adjustable position sleeve(21), top stopper(22), connecting shaft(23) and insert rod locking bolt (24), the adjustable position sleeve (21) is sleeved on the outside of the support frame (4) close to the lower side, and the left and right sides of the adjustable position sleeve (21) are provided with insertion rod sliding sleeves (20), so The adjustable position sleeve (21) and the two insertion rod sliding sleeves (20) are connected by a connecting shaft (23), and the vertical interiors of the two insertion rod sliding sleeves (20) are penetrated with prismatic elongated plugs. Rods (19), the upper ends of the two prismatic elongated insertion rods (19) are provided with top stoppers (22), and the lower ends of the two prismatic elongated insertion rods (19) are provided with conical insertion tips (18). ), an insertion rod locking bolt (24) is penetrated through one side outer wall of the two insertion rod sliding sleeves (20). 2. A geodetic elevation reference precision measurement system based on a satellite navigation and positioning reference station according to claim 1, characterized in that: the measurement system host (8) is close to the inner equidistant inlay of the upper circular outer wall There are a plurality of precision measurement windows (15), a control button (16) is embedded inside the main body of the measurement system (8) close to the front end outer wall of the lower side, and a satellite navigation is arranged on the upper end of the main body of the measurement system (8). Locator (17). 3. A geodetic elevation reference precision measurement system based on a satellite navigation and positioning reference station according to claim 1, characterized in that: the support frame (4) is made of aluminum alloy, and the support frame (4) The angle can be rotated and adjusted through the locking hinge (5), which can lock the use angle of the support frame (4) after the locking hinge (5) is tightened. 4. A geodetic elevation reference precision measurement system based on a satellite navigation and positioning reference station according to claim 1, characterized in that: the docking seat (6) and the docking flange (9) are fixedly connected by screws, so that the Paint is sprayed on the outer walls of the support frame (4), the docking seat (6), the docking flange (9) and the lifting sleeve (14). 5. A geodetic elevation reference precision measurement system based on a satellite navigation and positioning reference station according to claim 1, characterized in that: the lifting column (13) is a solid stainless steel cylindrical rod, and the lifting column (13) ) and the circular inner wall of the lifting sleeve (14), and the lifting column (13) can slide up and down inside the lifting sleeve (14). 6. A geodetic elevation reference precision measurement system based on a satellite navigation and positioning reference station according to claim 2, characterized in that: a plurality of precision measurement windows (15) on the mainframe (8) of the measurement system Measurement can be carried out simultaneously, and a plurality of the precision measurement windows (15) can be measured at 360 degrees without dead angle when working, and the control button (16) adopts a physical pressing design. 7. A geodetic elevation reference precision measurement system based on a satellite navigation and positioning reference station according to claim 1, wherein the length of the lifting column (13) is equal to the length of the support frame (4), so The lifting column (13) and the docking top seat (12) are fixedly connected by welding, and the height locking shaft (10) can lock the use height of the lifting column (13) after being tightened. 8. A kind of geodetic elevation reference precision measurement system based on satellite navigation and positioning reference station according to claim 1, is characterized in that: the length of described prism lengthening inserting rod (19) is half of the length of support frame (4) , the adjustable sleeve (21) can change the use position on the support frame (4), and the insertion rod sliding sleeve (20) can be connected to the adjustable sleeve (21) side by connecting the rotating shaft (23). Anticlockwise rotation. 9. A geodetic elevation reference precision measurement method based on satellite navigation and positioning reference station, is characterized in that: described measurement method steps are as follows: One: First, install the satellite navigation locator (17) on the upper end of the mainframe (8) of the measurement system, and the satellite navigational locator (17) is electrically connected to the battery inside the mainframe (8) of the measurement system, and the battery in use The satellite navigation and locator (17) can communicate with satellites through wireless signals in real time, so that it can remotely navigate and locate the mainframe of the measurement system (8), which is convenient for remote monitoring and use of the mainframe of the measurement system (8); 2: Then, the lifting sleeve (14) needs to be installed on the butting seat (6) at the upper end of the three supporting frames (4) through the butting flange (9) on the outer circular end of the lower end, and then the lifting column (13) needs to be installed. ) is inserted into the inside of the lifting sleeve (14) through the opening reinforcement sleeve (11), and the lower end of the lifting column (13) penetrates the docking seat (6) and can complete the lifting adjustment, and then the lifting column (13) needs to be lowered to make it In the lowest state, then the main unit (8) of the measurement system with the satellite navigation locator (17) on the top needs to be installed on the docking top seat (12) at the upper end of the lifting column (13), and then three supports The frame (4) supports the entire geodetic and elevation reference precision measurement system based on the satellite navigation and positioning reference station on the ground for use; 3. When using the support frame (4) for support and placement, firstly, you need to loosen the locking hinge (5) to lose the angle locking force on the support frame (4), and then adjust the support of the three support frames (4). angle, then maintain the adjusted angle and re-tighten the locking hinge (5), so that the three support brackets (4) are fixed at the adjusted use angle, and then support the three support brackets (4) to place them. to the ground, and the ground plugs (1) at the lower ends of the three support frames (4) are all plugged into the ground, so that the entire geodetic and elevation reference precision measurement system based on the satellite navigation and positioning reference station can pass through the support frame (4). ) is stably and firmly placed on the ground for use; Four: After the main unit of the measurement system (8) is placed on the ground through the support frame (4), the main unit of the measurement system (8) can perform a 360-degree measurement without dead angle through the precision measurement window (15), thereby The tedious operation of adjusting the measurement angle of the mainframe of the measurement system (8) can be avoided, so that the mainframe of the measurement system (8) can be measured without adjustment after being placed on the support frame (4).

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