Land survey equipment

Abstract

The utility model discloses land surveying equipment in the technical field of surveying equipment, which comprises a surveying instrument body, a supporting base is detachably connected to the bottom of the surveying instrument body, a lifting assembly is detachably mounted at the bottom of the supporting base, the lifting assembly is connected with a supporting disc, and the supporting disc is detachably connected with the supporting base. An adjusting assembly for controlling the height of the lifting assembly is installed on the supporting disc, multiple sets of supporting rods which are circumferentially arranged around the central axis of the supporting disc at equal intervals are rotationally installed on the outer ring of the supporting disc, the bottom ends of the multiple sets of supporting rods are all connected with positioning assemblies, and the adjusting assembly comprises an adjusting threaded pipe rotationally connected with the supporting disc; the supporting frame solves the problems that a supporting frame arranged on an existing land surveying instrument is often long in overall length and inconvenient to store and carry, surveying equipment at the top of the supporting frame is inconvenient to adjust in height after being leveled, and use flexibility is low.

Description

Technical Field

[0001] The utility model relates to the technical field of surveying equipment, in particular to land surveying equipment. Background Art

[0002] Land surveying is a professional surveying and mapping work that is carried out to meet the needs of cadastral management. Based on the investigation of land ownership, with the help of instruments and scientific methods, the ownership boundaries, location, shape and land type of each piece of land in a certain area are measured, and its area is calculated and cadastral maps are drawn to provide a basis for land registration.

[0003] Most land surveying instruments require a tripod for installation. The support frame equipped with existing land surveying instruments is often long in overall length, which is inconvenient for storage and transportation. In addition, it is not convenient to adjust the height of the surveying equipment on the top of the support frame after leveling, and the flexibility of use is low. Therefore, those skilled in the art provide a land surveying device to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a land surveying device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a land surveying equipment, comprising a surveying instrument body, a support base detachably mounted on the bottom of the surveying instrument body, a lifting assembly detachably mounted on the bottom of the support base, the lifting assembly is connected to a support plate, an adjusting assembly for controlling the height of the lifting assembly is mounted on the support plate, a plurality of groups of support rods equidistantly arranged in a circle around the axis thereof are rotatably mounted on the outer ring of the support plate, and a positioning assembly is connected to the bottom ends of the plurality of groups of support rods.

[0006] Preferably, the adjusting assembly comprises an adjusting threaded tube rotatably connected to the supporting plate, the interior of the adjusting threaded tube is connected to the lifting assembly, and a first knob is installed at the bottom end of the adjusting threaded tube.

[0007] Preferably: the lifting assembly includes a lifting screw threadedly connected to the adjusting threaded tube, the top of the lifting screw is fixedly connected to the bottom of the support base, and the bottom of the support base is equipped with multiple groups of limit rods that slide through the support plate.

[0008] Preferably, the lifting assembly comprises a connecting ring fixedly mounted on the bottom ends of the plurality of limit rods, and the connecting ring is sleeved on the outer ring of the adjusting threaded tube.

[0009] Preferably: the positioning assembly comprises a positioning plate rotatably connected to the bottom end of the support rod, the central thread of the positioning plate is connected to a positioning screw, the bottom end of the positioning screw is integrally formed with a positioning needle tip, and the top end of the positioning screw is fixedly mounted with a second knob.

[0010] Preferably, a supporting threaded tube is welded to the top center of the positioning plate, and the interior of the supporting threaded tube is threadedly connected to the positioning screw.

[0011] Preferably, the outer ring of the support plate is welded with a first fixing block hingedly connected to the top end of the support rod, and the outer ring of the positioning plate is hingedly connected to a second fixing block hingedly connected to the bottom end of the support rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, a first knob is provided to drive the adjusting threaded tube to rotate, and the adjusting threaded tube drives the lifting screw, the limit rod, the support base and the surveying instrument body to move up and down, so that the use height of the surveying instrument body can be conveniently adjusted, and the flexibility of the use of the enhancing device can be improved. A connecting ring is further provided to enhance the stability of the overall movement of the lifting assembly. When the surveying instrument body is used, the support base is lowered to contact with the support plate, and multiple groups of support rods and positioning assemblies are retracted in the direction close to the adjusting threaded tube, so that the storage space of the land surveying equipment can be reduced, thereby facilitating carrying.

[0014] 2. In the utility model, a second knob is provided to drive the positioning screw to rotate. The positioning screw can move up and down while rotating. The positioning screw drives the positioning needle tip to move up and down. The positioning needle tip is inserted into the inside of the land, which can provide a stable bottom support for the land surveying equipment, prevent the land surveying equipment from accidentally tipping over due to collision during use, etc., thereby improving the safety of the land surveying equipment during use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a bottom view of the overall structure of the utility model;

[0017] Figure 3 For this utility model Figure 1 A is an enlarged view of the middle image.

[0018] In the figure: 1. Surveying instrument body; 2. Support base; 3. Support plate; 4. Support rod; 5. Adjustment threaded tube; 6. First knob; 7. Lifting screw; 8. Limit rod; 9. Connecting ring; 10. Positioning plate; 11. Positioning screw; 12. Positioning needle tip; 13. Second knob; 14. Support threaded tube; 15. First fixing block; 16. Second fixing block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 to Figure 3 In an embodiment of the utility model, a land surveying device comprises a surveying instrument body 1, a support base 2 is detachably mounted on the bottom of the surveying instrument body 1, a lifting assembly is detachably mounted on the bottom of the support base 2, the lifting assembly is connected to a support plate 3, an adjusting assembly for controlling the height of the lifting assembly is mounted on the support plate 3, a plurality of groups of support rods 4 equidistantly arranged in a circle around the axis thereof are rotatably mounted on the outer ring of the support plate 3, and a positioning assembly is connected to the bottom ends of the plurality of groups of support rods 4.

[0021] When in use, the positioning components at the bottom ends of the multiple groups of support rods 4 are inserted into the ground, and the surveying instrument body 1 is installed on the top of the support base 2. After the support base 2 and the top surveying instrument body 1 are leveled by moving the multiple groups of support rods 4, the operator can rotate the adjustment component, and the adjustment component can drive the lifting component to move up and down. The lifting component drives the top support base 2 and the surveying instrument body 1 to move up and down, which can conveniently adjust the use height of the surveying instrument body 1.

[0022] In one embodiment, specifically, the adjustment component includes an adjustment threaded tube 5 rotatably connected to the support plate 3, the interior of the adjustment threaded tube 5 is connected to the lifting component, and a first knob 6 is installed at the bottom end of the adjustment threaded tube 5, wherein the lifting component includes a lifting screw 7 threadedly connected to the adjustment threaded tube 5, the top of the lifting screw 7 is fixedly connected to the bottom of the support base 2, and the bottom of the support base 2 is installed with multiple groups of limit rods 8 that slide through the support plate 3, further, the lifting component includes a connecting ring 9 fixedly installed at the bottom end of the multiple groups of limit rods 8, and the connecting ring 9 is sleeved on the outer ring of the adjustment threaded tube 5.

[0023] The operator turns the first knob 6, the first knob 6 drives the adjusting threaded tube 5 to rotate, the adjusting threaded tube 5 drives the lifting screw 7 to move up and down, the lifting screw 7 drives the top support base 2 to move up and down, the support base 2 drives the limit rod 8 to slide inside the support plate 3, the limit rod 8 can provide stable support for the support base 2, and the connecting ring 9 is provided to improve the stability of the overall movement of the lifting assembly.

[0024] In one embodiment, specifically, the positioning assembly includes a positioning plate 10 rotatably connected to the bottom end of the support rod 4, the center thread of the positioning plate 10 is connected to a positioning screw 11, the bottom end of the positioning screw 11 is integrally formed with a positioning needle tip 12, and the top end of the positioning screw 11 is fixedly installed with a second knob 13. Furthermore, a support threaded tube 14 is welded to the top center of the positioning plate 10, and the interior of the support threaded tube 14 is threadedly connected to the positioning screw 11.

[0025] After supporting the bottom end of the support rod 4 to a suitable position, the operator turns the second knob 13, and the second knob 13 drives the positioning screw 11 to rotate. The positioning screw 11 can move up and down while rotating. The positioning screw 11 drives the positioning needle tip 12 to move up and down, and the positioning needle tip 12 is inserted into the interior of the land, which can provide a stable bottom support for the land surveying equipment. Further, a supporting threaded tube 14 is threadedly connected to the positioning screw 11, which can provide high-strength support for the positioning screw 11.

[0026] Among them, the outer ring of the support plate 3 is welded with a first fixing block 15 hingedly connected to the top end of the support rod 4, and the outer ring of the positioning plate 10 is hingedly connected to the second fixing block 16 hingedly connected to the bottom end of the support rod 4, which can facilitate the assembly between the components.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A land surveying device, comprising a surveying instrument body (1), characterized in that: The bottom of the surveying instrument body (1) is detachably mounted with a support base (2), the bottom of the support base (2) is detachably mounted with a lifting assembly, the lifting assembly is connected to a support plate (3), an adjustment assembly for controlling the height of the lifting assembly is mounted on the support plate (3), the outer ring of the support plate (3) is rotatably mounted with a plurality of support rods (4) equidistantly arranged in a circle around its axis, the bottom ends of the plurality of support rods (4) are all connected with positioning assemblies.

2. A land surveying device according to claim 1, characterized in that: The adjustment assembly comprises an adjustment threaded tube (5) rotatably connected to the support plate (3); the interior of the adjustment threaded tube (5) is connected to the lifting assembly; and a first knob (6) is installed at the bottom end of the adjustment threaded tube (5).

3. A land surveying device according to claim 2, characterized in that: The lifting assembly comprises a lifting screw (7) threadedly connected to the adjusting threaded tube (5); the top end of the lifting screw (7) is fixedly connected to the bottom of the support base (2); and the bottom of the support base (2) is provided with a plurality of limit rods (8) slidingly passing through the support plate (3).

4. A land surveying device according to claim 3, characterized in that: The lifting assembly comprises a connecting ring (9) fixedly mounted on the bottom ends of the plurality of limit rods (8), and the connecting ring (9) is sleeved on the outer ring of the adjusting threaded tube (5).

5. A land surveying device according to claim 1, characterized in that: The positioning assembly comprises a positioning plate (10) rotatably connected to the bottom end of the support rod (4); the center thread of the positioning plate (10) is connected to a positioning screw (11); the bottom end of the positioning screw (11) is integrally formed with a positioning needle tip (12); and the top end of the positioning screw (11) is fixedly mounted with a second knob (13).

6. A land surveying device according to claim 5, characterized in that: A supporting threaded tube (14) is welded to the top center of the positioning plate (10), and the interior of the supporting threaded tube (14) is threadedly connected to the positioning screw (11).

7. A land surveying device according to claim 5, characterized in that: The outer ring of the support plate (3) is welded with a first fixing block (15) hingedly connected to the top end of the support rod (4), and the outer ring of the positioning plate (10) is hingedly connected to a second fixing block (16) hingedly connected to the bottom end of the support rod (4).

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