CN210893128U - Special foot rest of high accuracy GNSS field observation - Google Patents

Abstract

The utility model discloses a special foot rest is surveyd in high accuracy GNSS field relates to a foot rest. The utility model has the structure that: the front end of the 1 st supporting panel (3-1) and the left end of the 2 nd supporting panel (3-2) are inserted into the 1 st centering hole (3-1-2) and the 2 nd centering hole (3-2-2) through a point needle (2), the 1 st screw (1) is inserted into the 1 st screw hole (3-1-3), and the 2 nd screw (4) is inserted into the 2 nd screw hole (3-2-3); the two supporting legs (5) are respectively inserted into the 1 st through hole (3-1-1) and the 2 nd through hole (3-2-1) to form a stable tripod. Compared with the traditional tripod, the utility model provides a special tripod for GNSS field observation, which has simple operation, reliable performance, rapid installation and light weight; the portable field observation device is convenient to carry, and greatly reduces the labor burden of field observers; the method is suitable for the technical fields of national foundation mapping, crustal motion monitoring, earthquake emergency monitoring and the like.

Description

Special foot rest of high accuracy GNSS field observation

Technical Field

The utility model relates to a foot rest especially relates to a special foot rest is surveyd in high accuracy GNSS field, and this special foot rest can effectively alleviate open-air observation personnel's intensity of labour, provides stable, swift, light observation device for open-air observation work, is applicable to technical field such as national basis survey and drawing, earth's crust motion monitoring, earthquake emergency monitoring, topography survey and drawing, road, bridge, building and dam deformation monitoring.

Background

The GNSS technology is used as a new space-to-ground observation technology, can reliably establish a high-precision geodetic survey control network, measure global earth dynamic parameters, establish a land and ocean geodetic survey benchmark, and monitor the motion state of global plates and the deformation of the earth crust. Because a Global Navigation Satellite System (GNSS) has the advantages of all weather, high precision, high efficiency, multiple functions, simple and convenient operation and the like, the GNSS has become a dominant technical means in the field of geodetic surveying at present.

When the GNSS field appearance is developed, the observation point selection requires wide terrain and high position, no shelters can be arranged around the observation point, in the areas, the traffic is not developed generally, vehicles cannot reach the vicinity of observation stations, observers need to carry on the back the GNSS tripods required for observation, the tripods commonly used for field observation of GNSS are made of wood or aluminum alloy, the foot rest has the disadvantages of heavy weight, inconvenient carrying and increased labor intensity of field observers, and in addition, for observation marks buried on platforms such as bare bedrock, concrete buildings and the like, the traditional tripod is difficult to center and level, and the high-precision GNSS foot stand is easy to blow down by wind, so that the requirements of work such as emergency observation after a major earthquake, GNSS mobile observation and the like are met, and the high-precision GNSS foot stand special for field observation and having the advantages of safety, stability, reliable performance, quickness in installation and light weight is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the not enough that traditional tripod exists, provide a special foot rest is surveyed in GNSS field of easy operation, dependable performance, installation are swift, the quality is light, can alleviate open-air observation personnel's burden by the at utmost, make things convenient for open-air measurement work to develop.

The purpose of the utility model is realized like this:

the device consists of a 1 st screw, a point needle, a 1 st supporting panel, a 2 nd screw and supporting legs;

a vertical 1 st through hole is formed in the rear end of the 1 st supporting panel, and a vertical 1 st centering hole and a horizontal 1 st screw hole are formed in the front end of the 1 st supporting panel;

a vertical 2 nd through hole is formed in the right end of the 2 nd supporting panel, and a vertical 2 nd centering hole and a horizontal 2 nd screw hole are formed in the left end of the 2 nd supporting panel;

the position and connection relation is as follows:

the front end of the 1 st supporting panel and the left end of the 2 nd supporting panel are inserted into the 1 st centering hole and the 2 nd centering hole through a point needle, the 1 st screw 1 is inserted into the 1 st screw hole, and the 2 nd screw 4 is inserted into the 2 nd screw hole; the two supporting legs 5 are respectively inserted into the 1 st through hole and the 2 nd through hole to form a stable tripod.

Compared with the traditional tripod, the utility model has the advantages of it is following and positive effect:

① the utility model provides a special GNSS foot rest for field observation, which has simple operation, reliable performance, rapid installation and light weight;

② compared with the traditional tripod, the utility model has the advantages of small volume, low price, convenient installation and carrying, and greatly reduces the labor burden of field observers;

③ the utility model discloses to the observation sign of burying on platforms such as exposed bedrock, concrete building, the installation rate is fast, is applicable to technical field such as national basis survey and drawing, crust motion monitoring, the emergent monitoring of earthquake.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a left side view of the present invention;

fig. 4 is a top view of the present invention.

In the figure:

1-the 1 st screw;

2-point needle;

3-1-the 1 st support panel,

3-1-the 1 st through hole, 3-1-2-the 1 st centering hole, and 3-1-3-the 1 st screw hole;

3-2-the 2 nd support panel,

3-2-1-2 nd through hole, 3-2-2 nd centering hole, 3-2-3 nd screw hole;

4-the 2 nd screw;

and 5, supporting the feet.

Detailed Description

The following detailed description is made with reference to the accompanying drawings and examples:

one, structure

1. General of

As shown in fig. 1, 2, 3 and 4, the utility model is composed of a 1 st screw 1, a point needle 2, a 1 st supporting panel 3-1, a 2 nd supporting panel 3-2, a 2 nd screw 4 and a supporting foot 5;

the rear end of the 1 st supporting panel 3-1 is provided with a vertical 1 st through hole 3-1-1, and the front end of the 1 st supporting panel 3-1 is provided with a vertical 1 st centering hole 3-1-2 and a horizontal 1 st screw hole 3-1-3;

a vertical 2 nd through hole 3-2-1 is arranged at the right end of the 2 nd supporting panel 3-2, and a vertical 2 nd centering hole 3-2-2 and a horizontal 2 nd screw hole 3-2-3 are arranged at the left end of the 2 nd supporting panel 3-2;

the position and connection relation is as follows:

the front end of the 1 st supporting panel 3-1 and the left end of the 2 nd supporting panel 3-2 are inserted into the 1 st centering hole 3-1-2 and the 2 nd centering hole 3-2-2 through a point needle 2, the 1 st screw 1 is inserted into the 1 st screw hole 3-1-3, and the 2 nd screw 4 is inserted into the 2 nd screw hole 3-2-3; the two supporting legs 5 are respectively inserted into the 1 st through hole 3-1-1 and the 2 nd through hole 3-2-1 to form a stable tripod.

The working mechanism is as follows:

the 1 st supporting panel 3-1 and the 2 nd supporting panel 3-2 are connected with the point needle 2 to form the utility model. When the GNSS is used for measuring the field appearance, the optical base is mounted on a foot rest through a screw at the top of a point pin, and after centering and leveling, the GNSS choke coil antenna is mounted on the base, so that field measurement work can be carried out.

2. Functional component

1) 1 st screw 1

The 1 st screw 1 is a round head screw with a diameter × height =10mm × 30mm and functions as a fixing point pin 2.

2) Point needle 2

Is made of stainless steel and is in a conical cylinder shape, the diameter of × is =8mm, × 100mm and 100 mm.

The point needle 2 and the left and right supporting feet 5 form a stable tripod and center the observation mark.

3) No. 1, 2 support panels 3-1, 3-2

The rear end of the 1 st supporting panel 3-1 is provided with a vertical 1 st through hole 3-1-1, and the front end of the 1 st supporting panel 3-1 is provided with a vertical 1 st centering hole 3-1-2 and a horizontal 1 st screw hole 3-1-3;

the right end of the 2 nd supporting panel 3-2 is provided with a vertical 2 nd through hole 3-2-1, and the left end of the 2 nd supporting panel 3-2 is provided with a vertical 2 nd centering hole 3-2-2 and a horizontal 2 nd screw hole 3-2-3.

1, 2 support panels 3-1, 3-2 length × height × thickness =300mm × 30mm × 20 mm;

the diameters of 1 st, 2 nd concentric holes 3-1-2, 3-2-2 =10 mm.

4) 2 nd screw 4

Is a round head screw with the diameter of × and the height of 10mm × 30mm and plays the role of a fixing point needle 2.

5) Supporting foot 5

The supporting foot 5 comprises a round head screw and a nut matched with the round head screw.

Round head screw diameter × height =8mm × 150 mm.

Second, concrete implementation step

The method comprises the following concrete steps:

① when GNSS field appearance is carried out, when the observation mark is buried on the exposed bedrock, concrete building, etc., the optical base can be directly connected with the special foot rest and stably placed on the observation platform;

② aligning the point needle 2 with the centering mark, and adjusting the angle to stably place the special stand;

③ connecting and fixing the optical base and the point needle 2 on a special foot rest, and screwing the optical base until the optical base is stable;

④ lifting the support leg 5 to center the optical base round leveling bubble, the leveling tube is parallel to the two leg spiral directions, the two leg spirals are adjusted to center the leveling tube bubble, the leveling tube is rotated by 90 degrees to be perpendicular to the two leg spiral directions, the third leg spiral is adjusted to center the leveling tube bubble;

⑤ the GNSS antenna is mounted on the optical base and the GNSS receiver is turned on to start the observation.

Claims (1)

1. The utility model provides a special foot rest is surveyed in field of high accuracy GNSS which characterized in that:

the device consists of a 1 st screw (1), a point needle (2), a 1 st supporting panel (3-1), a 2 nd supporting panel (3-2), a 2 nd screw (4) and supporting legs () 5;

a vertical 1 st through hole (3-1-1) is arranged at the rear end of the 1 st supporting panel (3-1), and a vertical 1 st centering hole (3-1-2) and a horizontal 1 st screw hole (3-1-3) are arranged at the front end of the 1 st supporting panel (3-1);

a vertical 2 nd through hole (3-2-1) is arranged at the right end of the 2 nd supporting panel (3-2), and a vertical 2 nd centering hole (3-2-2) and a horizontal 2 nd screw hole (3-2-3) are arranged at the left end of the 2 nd supporting panel (3-2);

the position and connection relation is as follows:

the front end of the 1 st supporting panel (3-1) and the left end of the 2 nd supporting panel (3-2) are inserted into the 1 st centering hole (3-1-2) and the 2 nd centering hole (3-2-2) through a point needle (2), the 1 st screw (1) is inserted into the 1 st screw hole (3-1-3), and the 2 nd screw (4) is inserted into the 2 nd screw hole (3-2-3); the two supporting legs (5) are respectively inserted into the 1 st through hole (3-1-1) and the 2 nd through hole (3-2-1) to form a stable tripod.

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