CN221077659U

CN221077659U - Portable special RTK centering rod for sand measurement

Info

Publication number: CN221077659U
Application number: CN202323204271.2U
Authority: CN
Inventors: 董兆轩
Original assignee: Henan University of Technology
Current assignee: Henan University of Technology
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-06-04
Anticipated expiration: 2033-11-27

Abstract

The utility model relates to the technical field of surveying and mapping, and discloses a portable RTK centering rod special for sand measurement, which comprises the following components: RTK centering rod body; the bracket is a square plate, a round hole is formed in the middle of the square plate, and clamping grooves with the same structure are formed in the four outer side edges of the square plate; the fixing device comprises a cylinder, a through hole is formed in the cylinder, and the cylinder is vertically and fixedly connected above the bracket; the fixing device penetrates through the RTK centering rod body and is movably connected with the RTK centering rod body; and a supporting device including a supporting plate and an auxiliary plate; a boss is arranged at one end of the supporting plate, which is close to the vertical rod, and a connecting shaft is arranged below the boss and is movably connected with the bracket; the supporting plate is of a hollow structure, a chute is arranged above the supporting plate, and an auxiliary plate is arranged in the hollow structure of the supporting plate; the utility model solves the problem that the tip of the RTK centering rod body is easy to penetrate into sandy soil when the RTK is used for carrying out terrain measurement in the desert area, and ensures the measurement precision.

Description

Portable special RTK centering rod for sand measurement

Technical Field

The utility model belongs to the technical field of surveying and mapping, and particularly relates to a portable RTK centering rod special for sand measurement.

Background

Conventional instruments used for large scale topography measurement include total stations or RTK GPS, and the two instruments completely meet the precision requirement of topography measurement in terms of precision and are very simple in terms of operation method. However, the surface sand layer of the desert area is very soft, so that the surface elevation measurement is very difficult, if RTK is used for collecting the surface points of the central rod, the lower end of the rod can penetrate into sandy soil, the elevation is inaccurate, the magnitude of errors changes along with the softness degree of the bottom layer, the penetration depth of the soft part can reach more than 20 cm, and if the measured area is larger, the errors can accumulate to cause serious consequences.

Therefore, in view of the above situation, there is an urgent need to provide a portable sand measurement dedicated RTK centering rod to overcome the shortcomings in the current practical application.

Disclosure of utility model

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a portable RTK centering rod special for sand measurement, so as to solve the problem of precision error caused by the fact that the lower end of the RTK centering rod penetrates into sandy soil in the topography measurement of the desert.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a portable sand measurement dedicated RTK centering rod comprising:

the RTK centering rod body is characterized by comprising a cone at the lower end;

The bracket is a square plate, a round hole is formed in the middle of the square plate, and clamping grooves with the same structure are formed in the four outer side edges of the square plate;

The fixing device comprises a cylinder, a through hole is formed in the cylinder, and the cylinder is vertically and fixedly connected above the bracket; the fixing device penetrates through the RTK centering rod body and is movably connected with the RTK centering rod body;

And a supporting device including a supporting plate and an auxiliary plate; a boss is arranged at one end, close to the vertical rod, of the supporting plate, a connecting shaft is arranged below the boss, and the connecting shaft is movably connected with the bracket; the supporting plate is of a hollow structure, a sliding groove is formed in the upper portion of the supporting plate, an auxiliary plate is arranged in the hollow structure of the supporting plate, and a pushing handle is arranged on the auxiliary plate.

As a further optimization of the technical scheme, a fastening handle is arranged on the outer side of the cylinder.

As a further optimization of the technical scheme, the number of the supporting plates is four, and the supporting plates are identical in structure.

As a further optimization of the technical scheme, first round holes for accommodating the connecting shafts are formed in two ends of each clamping groove.

As a further optimization of the technical scheme, the supporting plate and the bracket are in interference fit, and the connecting shaft in the supporting plate and the first round hole are in interference fit.

As a further optimization of the technical scheme, the connecting shaft is arranged below the boss and is integrated with the supporting plate;

the connecting shaft is of a hollow structure.

As a further optimization of the technical scheme, the sliding groove is arranged on one side, close to the RTK centering rod body, above the supporting plate.

As a further optimization of the technical scheme, one side of the auxiliary plate, which is far away from the RTK centering rod body, is provided with an arc.

As a further optimization of the technical scheme, the fastening handle is connected with the cylinder through threads.

As a further optimization of the technical scheme, the supporting plate adopts one of a plastic plate and a metal plate.

Compared with the prior art, the utility model has the beneficial effects that:

according to the application, a bracket is fixedly connected on an RTK centering rod body through a fixing device, and a supporting plate is movably connected on the bracket to form a cross support; and then the auxiliary plate hidden in the supporting plate is unfolded to make up the gaps around the cross support, so that the contact area of the RTK centering rod body and the sand is increased, and a complete supporting structure is formed. Therefore, the problem that the tip of the RTK centering rod body is extremely easy to penetrate into sandy soil when the RTK is used for carrying out terrain measurement in a desert area is solved, and the measurement accuracy is ensured. In addition, the supporting plate can be folded and stored, and is convenient to carry.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art. The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic view of the structure of the support plate after being accommodated in the utility model.

Fig. 3 is a schematic view showing an expanded structure of the support plate of the present utility model.

Fig. 4 is a schematic view of the fixing device and the bracket structure of the present utility model.

Fig. 5 is a schematic view showing the bottom structures of the support plate and the auxiliary plate according to the present utility model.

Fig. 6 is a schematic top view of the supporting plate and the auxiliary plate of the present utility model.

Fig. 7 is a schematic view of the structure of the support plate of the present utility model.

FIG. 8 is a schematic view of the structure of the auxiliary plate of the present utility model.

Fig. 9 is a schematic structural view of the bracket, the support plate and the auxiliary plate according to the present utility model.

In the figure: the RTK centering rod comprises a 1-RTK centering rod body, a 2-support, a 3-first round hole, a 4-support plate, a 5-fixing device, a 6-cylinder, a 7-through hole, an 8-clamping groove, a 9-boss, a 10-connecting shaft, an 11-sliding groove, a 12-auxiliary plate, a 13-pushing handle, a 14-second round hole and a 15-fastening handle.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model is further illustrated with reference to specific embodiments.

Referring to fig. 1-9, a portable special RTK centering rod for sand measurement according to an embodiment of the present utility model includes:

The RTK centering rod comprises an RTK centering rod body 1, wherein the lower end of the RTK centering rod body 1 is a cone; the RTK centering rod is a telescopic rod body; the part is a telescopic rod formed by combining two sections of steel pipes or carbon fiber pipes with different diameters;

The bracket 2 is a square plate, a round hole is formed in the middle of the square plate, and clamping grooves 8 with the same structure are formed in the four outer side edges of the square plate; specifically, the bracket 2 is a square plate, the clamping grooves 8 are long and extend into four sides of the square plate, the two ends of the clamping grooves 8 are provided with first round holes 3, and the four clamping grooves 8 have the same structure; the bracket 2 can be made of plastic or metal materials;

The fixing device 5 comprises a cylinder 6, a through hole 7 is formed in the cylinder 6, and the cylinder 6 is vertically and fixedly connected above the bracket 2; a fastening handle 15 is arranged on the outer side of the cylinder 6; the fixing device 5 passes through the RTK centering rod body 1 and is movably connected with the RTK centering rod body. Specifically, the fixing device 5 is integrated with the bracket 2, and can be riveted, welded or screwed; the fastening handle 15 is screwed with the cylinder 6.

And a supporting device including a supporting plate 4 and an auxiliary plate 12; a boss 9 is arranged at one end, close to the vertical rod, of the supporting plate 4, a connecting shaft 10 is arranged below the boss 9, and the connecting shaft 10 is movably connected with the bracket 2; the supporting plate 4 is of a hollow structure, a sliding groove 11 is formed in the upper portion of the supporting plate 4, an auxiliary plate 12 is arranged in the hollow structure of the supporting plate 4, a pushing handle 13 is arranged on the auxiliary plate 12, and the pushing handle 13 can drive the auxiliary plate 12 to translate to the outer side of the supporting plate 4; the number of the supporting plates 4 is four, and the structures are the same; the support plate 4 can be turned upwards by 90 degrees on the support 2, and the auxiliary plate 12 can be sequentially translated and unfolded from the support plate 4, and the support plate and the auxiliary plate form a complete support device. Specifically, the supporting device comprises four supporting plates 4 with rectangular hollow structures and identical structures, the supporting plates 4 are plastic plates or metal plates, a stepped boss 9 is arranged on one side, close to the centering rod, of each supporting plate 4, and the boss 9 is overlapped on the surface of the bracket 2; a connecting shaft 10 is arranged below the boss 9, the connecting shaft 10 is matched with the clamping groove 8 of the bracket 2, and two ends of the connecting shaft 10 are movably connected in the mounting hole of the clamping groove 8; the supporting plate 4 of the hollow structure is of a closed structure, an opening is formed in one side of the supporting plate 4 of the hollow structure, an auxiliary plate 12 is arranged in the supporting plate 4 of the hollow structure, a sliding groove 11 is formed in the upper portion of the supporting plate, a pushing handle 13 is arranged on the auxiliary plate 12, and the pushing handle 13 can drive the auxiliary plate 12 to translate from the opening to the outer side of the supporting plate 4.

It should be understood that the supporting device can be unfolded on the bracket 2 and is in a cross shape after being unfolded; in this way, gaps are necessarily formed between adjacent positions of every two support plates 4, namely, four gaps are formed; to compensate for these gaps, an auxiliary plate 12 is provided in the support plate 4. The function of the support means is to increase the contact surface of the RTK centering rod body 1 with the sand to prevent the tip of the RTK centering rod body 1 from penetrating into the sand during the measurement.

It should be understood that the support plate 4 is connected to the bracket 2 by a connecting shaft 10. Specifically, four clamping grooves 8 with the same structure are formed in four outer side edges of the bracket 2, first round holes 3 are formed in two ends of each clamping groove 8, a connecting shaft 10 is arranged below a boss 9 on one side of the supporting plate 4, which is close to the RTK centering rod body 1, and the connecting shaft 10 is integrated with the supporting plate 4; when the connecting shaft 10 is mounted, the connecting shaft is inserted into the first round holes 3 at the two ends.

It is further understood that the supporting plate 4 and the support 2 are in interference fit, the supporting plate 4 can be turned 0-90 degrees, the connecting shaft 10 on the supporting plate 4 and the round hole on the groove of the support 2 are in interference fit, the supporting plate 4 can be stopped at any position of 0-90 degrees, a rectangular box body is formed after the supporting plate 4 is stored, and the supporting plate 4 is prevented from being loosely hung by the interference fit. When in use, the four support plates 4 are turned over to the horizontal position, namely 90 degrees, so as to form a cross shape; then pushing the pushing handles 13 in sequence to push the auxiliary plate 12 out of the supporting plate 4 so as to fill the gaps among the cross frames; to this end, the support means are formed so that the tip of the RTK centering rod body 1 is blocked by the support means from penetrating into the sand when the measurement is performed on the sand or on a soft ground surface. Of course, the cooperation of the connecting shaft 10 on the supporting plate 4 and the round hole on the groove of the bracket 2 can increase the switch to fix and lock.

The technical scheme of the application comprises an RTK centering rod body 1, a fixing device 5, a bracket 2 and a supporting device. The RTK centering rod body 1 uses an original RTK centering rod; the fixing device 5 comprises a cylinder 6 and a fastening handle 15, and is used for fixedly connecting with the RTK centering rod; the bracket 2 is used for connecting the fixing device 5 and the supporting device; the support plate 4 comprises an auxiliary plate 12, the support plate 4 is fixedly connected to the support 2, the auxiliary plate 12 is hidden in the support plate 4, and the support plate 4 and the auxiliary plate 12 form a complete support structure after being unfolded. According to the principle of physics, pressure (P) =pressure (F)/area of force. The supporting device increases the contact area between the RTK middle rod body and the ground, and the pressure intensity is reduced, so that when the RTK middle rod is used, the tip of the RTK middle rod is not easy to sink on the soft earth surface.

The respective parts of the portable sand measurement dedicated RTK centering rod body 1 described above in the present exemplary embodiment will be further described with reference to fig. 1 to 9.

In one embodiment, a boss 9 is provided on the support 2. Specifically, a boss 9 is arranged on the supporting plate 4, and the boss 9 is pressed on the bracket 2 and is positioned on the same plane with the bracket 2; when the supporting device is in a storage state, the boss 9 and the RTK centering rod body 1 are in the same vertical plane, and the boss 9 is higher than the horizontal plane of the bracket 2; when the supporting plate 4 is turned upwards by 90 degrees, the boss 9 is abutted on the support 2 and cannot be turned upwards. It can be seen that the boss 9 serves to limit the turning angle of the support plate 4 to ensure that the support plate 4 is in a horizontal state after being turned.

In one embodiment, a connecting shaft 10 is provided below the boss 9 and is integral with the support plate 4. The connecting shaft 10 is hollow and can pass through the pin shaft. The function of the connecting shaft 10 is to fixedly connect the support plate 4.

In one embodiment, the chute 11 is disposed above the support plate 4 on the side of the RTK centering rod body 1. The upper and lower sides of the support plate 4 can be provided with sliding grooves 11, so that the auxiliary plate 12 can be pushed out or pulled back more stably.

In one embodiment, the side of the auxiliary plate 12 remote from the RTK centering rod body 1 is curved. One end of the auxiliary plate 12 is provided with a radian for ensuring that four corners of the supporting device are smooth to avoid scratching people during use.

Working principle: before use, the bracket 2 and the supporting device are fixedly connected to the lower end of the RTK centering rod body 1 through the fixing device 5 and are fixed through the fastening handle 15; at this time, the supporting device is in a storage state, and the supporting plate 4 and the RTK centering rod body 1 are in a vertical state; is convenient to carry. After reaching the measuring point, the supporting plate 4 is turned upwards by 90 degrees in turn, so that the supporting plate 4 is in a horizontal state, and then the auxiliary plate 12 is pushed out of the supporting plate 4 again; at this time, the supporting device is fully unfolded, and measurement can be performed, and the tip of the RTK centering rod body 1 does not penetrate into the sandy soil due to the support of the supporting plate 4. After the measurement is completed, the auxiliary plate 12 and the support plate 4 are housed in this order.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a special RTK centering rod is measured to portable sand, includes RTK centering rod body (1), RTK centering rod body (1) lower extreme is the centrum, its characterized in that still includes:

the bracket (2) is a square plate, a round hole is formed in the middle of the square plate, and clamping grooves (8) with the same structure are formed in the four outer side edges of the square plate;

the fixing device (5), the fixing device (5) comprises a cylinder (6), a through hole (7) is formed in the cylinder (6), and the cylinder (6) is vertically and fixedly connected above the bracket (2); the fixing device (5) penetrates through the RTK centering rod body (1) and is movably connected with the RTK centering rod body;

And a support device comprising a support plate (4) and an auxiliary plate (12); a boss (9) is arranged at one end, close to the vertical rod, of the supporting plate (4), a connecting shaft (10) is arranged below the boss (9), and the connecting shaft (10) is movably connected with the bracket (2); the supporting plate (4) is of a hollow structure, a sliding groove (11) is formed in the upper portion of the supporting plate, an auxiliary plate (12) is arranged in the hollow structure of the supporting plate (4), and a pushing handle (13) is arranged on the auxiliary plate (12).

2. A portable sand measurement dedicated RTK centering rod according to claim 1, characterized in that the outside of the cylinder (6) is provided with a fastening handle (15).

3. A portable sand measurement dedicated RTK centering rod according to claim 1, characterized in that the support plates (4) are four and structurally identical.

4. A portable sand measuring special RTK centering rod according to claim 1, characterized in that each clamping groove (8) is provided with a first round hole (3) at both ends for accommodating a connecting shaft (10).

5. The portable sand measurement special RTK centering rod according to claim 4, wherein the supporting plate (4) is in interference fit with the bracket (2), and the connecting shaft (10) on the supporting plate (4) is in interference fit with the first round hole (3).

6. A portable sand measurement dedicated RTK centering rod according to claim 1, characterized in that the connecting shaft (10) is arranged below the boss (9) and is integral with the support plate (4);

The connecting shaft (10) is of a hollow structure.

7. A portable sand measurement dedicated RTK centering rod according to claim 1, characterized in that the chute (11) is arranged above the support plate (4) near the RTK centering rod body (1) side.

8. A portable sand measurement dedicated RTK centering rod according to claim 1, characterized in that the auxiliary plate (12) has an arc on the side facing away from the RTK centering rod body (1).

9. A portable sand measurement dedicated RTK centering rod according to claim 2, characterized in that the tightening handle (15) is screwed with the cylinder (6).

10. A portable sand measurement dedicated RTK centering rod according to claim 1, characterized in that the support plate (4) is one of a plastic plate and a metal plate.