CN220153575U - Self-balancing measuring prism device - Google Patents

Abstract

The utility model relates to the field of construction engineering measurement, in particular to a self-balancing measuring prism device, which comprises a prism for measurement and further comprises: a stand for supporting the entire device; the balancing mechanism capable of automatically balancing comprises an outer ring, an inner ring and a solid disc which are radially and sequentially connected in a rotating way, and the outer ring is fixedly connected with the bracket; and a vertical rod connecting the prism and the balancing device, penetrating through the solid disc and fixedly connected with the solid disc, and one end of the vertical rod is fixedly connected with the prism. The inner ring and the solid disc can radially rotate respectively through the matching of the rotating shaft and the rotating shaft hole, so that the solid disc can reach any orientation, and then the vertical rod, the prism and the solid disc are matched under the action of gravity, so that the device can ensure that the vertical rod can return to a vertical state under any condition, and the prism is positioned right above a pile point, thereby realizing the self-balancing of the device.

Description

Self-balancing measuring prism device

Technical Field

The utility model relates to the field of construction engineering measurement, in particular to a self-balancing measuring prism device.

Background

Along with the rapid development of the economy in China, the quantity and the speed of the capital construction are increased. The measurement lofting is to determine coordinate points required by a design drawing to be used as basic work of engineering construction at a construction site, and the success or failure of the engineering construction is determined by the measured precision error.

The prism plays an important role in measurement, and can refract or reflect incident light rays to change the directions of the light rays, and by utilizing the characteristics, the prism can be used for manufacturing various optical measuring instruments such as theodolites, level gauges, total stations and the like. In measurement, prisms are often used to measure angle and distance. For example, in total station measurement, by placing a reflecting prism at a measurement point, the distance from the station to the reflecting prism can be measured, and the coordinates of the station can be calculated. In laser ranging, the prism can also be used for reflecting laser to realize high-precision distance measurement.

In actual field construction, a construction process of combining a tripod and a prism is generally adopted, namely, one tripod is positioned on a coordinate point, and then the leveling work of the prism is completed by adjusting the other two tripods. However, in a road section with a complicated geological environment, personnel do not stand in space or an instrument cannot level in the middle, so that errors are large, and the quality of engineering construction is seriously affected.

Therefore, the prism device in the prior art is improved greatly, so that the prism can be tightly attached to the surface of an acquisition object, the measurement precision and the adjustment angle are improved, and the device is particularly suitable for tunnel section measurement in subway engineering. However, the conventional prism measuring device still needs to be manually leveled and tested, and has certain limitation in construction sites with uneven ground.

Disclosure of Invention

Aiming at the defects of complicated operation of the device, incapability of self-balancing and low measurement precision caused by terrain limitation and influence on engineering construction quality in the prior art, the utility model provides a self-balancing measuring prism device for overcoming the defects, and the specific technical scheme is as follows:

a self-calibrating measurement prism apparatus comprising a prism for measurement, further comprising:

a bracket;

the balancing mechanism comprises an outer ring, an inner ring and a solid disc which are radially and sequentially connected in a rotary mode, and the outer ring is fixedly connected with the bracket; and one end of the vertical rod is fixedly connected with the prism.

When using a prism, it is generally necessary to place the prism directly above the measurement point, i.e., the stake point, to achieve accurate measurement. In the utility model, the outer ring, the inner ring and the solid disc are connected together, the inner ring and the solid disc can respectively rotate radially, and the solid disc can achieve any orientation, so that the device can adjust the position of the prism under the condition of uneven ground. The prism is arranged on the solid disc through the vertical rod, namely, the prism can rotate along with the rotation of the solid disc, the outer ring is fixedly connected with the support, the position states of the support and the outer ring can not be guaranteed under different working conditions, self-balancing is completed through the rotation of the inner ring and the solid disc under the gravity action of the solid disc, the vertical rod and the prism, the position of the whole device is adjusted, the prism is located right above a pile point, and the device is simple in structure and convenient to use.

Further, the vertical rod comprises a first column body and a second column body which are axially connected, one end of each of the first column body and the second column body is fixedly connected with the solid disc, and the other end of each of the first column body and the prism are fixedly connected.

Further, the center of gravity of the vertical rod, the solid disc and the prism are located on the second column.

In the utility model, in the working state, the vertical rod fixedly connected with the prism is vertically arranged, and the vertical rod axially faces the pile point, so that the prism can be ensured to be positioned right above the pile point. The vertical rod, the solid disc and the prism are fixedly connected and can rotate together, and in the process of realizing automatic balance, the vertical rod, the solid disc and the prism rotate by taking the second rotating shaft as an axis. When the prism is not in the correct position, the supporting force of the whole vertical rod, the solid disc and the prism and the gravity of the three are not in the same straight line, and the three are driven to rotate under the action of gravity until the vertical rod returns to the vertical direction, so that the automatic balance of the device is completed.

In order to realize that the gravity center of the vertical rod, the solid disc and the prism are located on the second column, the diameter of the second column can be larger than that of the first column, or the second column is made of materials with density larger than that of the first column, and a counterweight can be arranged on the second column.

Further, the prism comprises a prism body, a prism frame for supporting the prism body, and a connecting piece for fixedly connecting the prism with the first column body.

Further, the connecting piece is axially and rotatably connected with the first cylinder.

The prism can be rotated on the vertical bar and when the device has stabilized and is aligned with the stake point, but the prism is not facing the correct direction, the prism can be rotated to adjust the prism to the correct direction.

Further, the other end of the second column is provided with a ray device for aligning with the pile point, and the second column is provided with a ray switch.

Be provided with infrared device at montant one end, when using this device, open the ray switch, through observing whether the ray that ray device penetrated when the device is stable aligns with the stake point, can guarantee that the prism is directly over the stake point to realize measuring accuracy.

Further, a first rotating shaft is arranged on the outer ring, a first rotating shaft hole is formed in the inner ring, and the first rotating shaft extends into the first rotating shaft hole and is in rotating connection with the first rotating shaft hole.

Further, a second rotating shaft is arranged on the inner ring, a second rotating shaft hole is formed in the solid disc, and the second rotating shaft stretches into the second rotating shaft hole and is connected with the second rotating shaft hole in a rotating mode.

Further, the first rotating shaft and the second rotating shaft are mutually perpendicular.

The first rotating shaft and the second rotating shaft are arranged on the radial direction, so that the rotation is convenient.

The utility model has the following beneficial effects:

(1) The utility model has the function of self-balancing under various ground conditions, and has simple operation and convenient use;

(2) According to the utility model, the direction of gravity is unchanged, and the prism can be accurately arranged right above the pile point by vertically arranging the vertical rod and matching the radial device, so that the measurement accuracy is ensured.

Drawings

Fig. 1: the utility model discloses a schematic diagram of a self-balancing measuring prism device.

Fig. 2: the utility model relates to a self-balancing measuring prism device bracket and an outer ring schematic diagram.

Fig. 3: the utility model discloses a schematic diagram of a balancing mechanism of a self-balancing measuring prism device.

Fig. 4: the utility model discloses a schematic diagram of a vertical rod and a solid disc of a self-balancing measuring prism device.

Wherein: the prism comprises a prism 1, a bracket 2, a balance mechanism 3, a vertical rod 4, a prism body 11, a prism frame 12, a connecting piece 13, an outer ring 31, an inner ring 32, a solid disc 33, a first rotating shaft 311, a first rotating shaft hole 321, a second rotating shaft 322, a second rotating shaft hole 331, a first column 41, a second column 42, an infrared device 43 and an infrared switch 44.

Detailed Description

The utility model is further described below with reference to the drawings and specific examples. Those of ordinary skill in the art will be able to implement the utility model based on these descriptions. In addition, the embodiments of the present utility model referred to in the following description are typically only some, but not all, embodiments of the present utility model. Therefore, all other embodiments, which can be made by one of ordinary skill in the art without undue burden, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

As shown in fig. 1, a self-calibrating measuring prism device comprises a prism 1 for measurement and a bracket 2 for supporting the whole device; the balancing mechanism 3 capable of automatically balancing comprises an outer ring 31, an inner ring 32 and a solid disc 33 which are sequentially and radially fixedly connected, namely the inner ring 32 and the solid disc 33 can radially rotate respectively, and the outer ring 31 is fixedly connected with the bracket 2; the vertical rod 4 for connecting the prism and the balancing device passes through the solid disc 33 and is fixedly connected with the solid disc 33, one end of the vertical rod 4 is fixedly connected with the prism 1, namely, the prism 1 is arranged on the solid disc 33 through the vertical rod 4, so that the prism 1 rotates along with the rotation of the solid disc 33. Under different working conditions, the position states of the bracket 2 and the outer ring 31 cannot be guaranteed, and self-balancing is achieved by the rotation of the inner ring 32 and the solid disc 33 under the gravity action of the solid disc 33, the vertical rod 4 and the prism 1.

As shown in fig. 2 and 3, the outer ring 31 is fixedly connected with the support 2, the outer ring 31 is provided with a first rotating shaft 311, the inner ring 32 is provided with a first rotating shaft hole 321, the first rotating shaft 311 can extend into the first rotating shaft hole 321 and is rotationally connected with the first rotating shaft hole 321, the inner ring 32 is provided with a second rotating shaft 322, as shown in fig. 4, the solid disc 33 is provided with a second rotating shaft hole 331, the second rotating shaft 322 can extend into the second rotating shaft hole 331 and is rotationally connected with the second rotating shaft hole 331, and the first rotating shaft 311 and the second rotating shaft 322 are mutually perpendicular. The inner ring 32 and the solid disc 33 can respectively rotate radially with the matching of the rotating shaft and the rotating shaft hole, so that the solid disc 33 can reach any orientation, and then the vertical rod 4, the prism 1 and the gravity action of the solid disc 33 are matched, so that the device can ensure that the vertical rod 4 can return to the vertical state under any condition to realize self-balancing.

As shown in fig. 4, the prism 1 includes a prism body 11, a prism frame 12 for supporting the prism body 11, and a connecting piece 13 for fixedly connecting the prism 1 with a first column 41, the vertical rod 4 includes a first column 41 and a second column 42 which are axially connected, one ends of the first column 41 and the second column 42 are fixedly connected with the solid disc 33, and the other ends of the first column 41 are fixedly connected with the prism 1. The connecting member 13 is axially rotatably connected to the first cylinder 41. The other end of the second column 42 is provided with a ray device 43 for aligning with a pile point, and the vertical rod 4 is provided with an infrared switch 44 for controlling the ray device 43. When the device is used, the vertical rod 4 fixedly connected with the prism 1 is vertically arranged, and the vertical rod 4 axially faces the pile point, so that the prism 1 can be placed right above the measuring point, namely the pile point. The vertical rod 4, the solid disc 33 and the prism 1 are fixedly connected and can rotate together, and in the process of realizing automatic balance, the vertical rod 4, the solid disc 33 and the prism 1 rotate by taking the second rotating shaft 322 as an axis. When the prism 1 is not in the right position, the supporting force of the vertical rod 4, the solid disc 33 and the prism 1 and the gravity of the three are not in the same straight line, and the three are driven to rotate under the action of the gravity until the vertical rod 4 returns to the vertical direction, so that the automatic balance of the device is completed.

Claims (10)

1. A self-balancing measuring prism arrangement comprising a prism (1) for measuring, characterized in that it further comprises:

a bracket (2);

the balance mechanism (3) comprises an outer ring (31), an inner ring (32) and a solid disc (33) which are sequentially and radially connected in a rotating way, and the outer ring (31) is fixedly connected with the bracket (2);

the vertical rod (4) penetrates through the solid disc (33) and is fixedly connected with the solid disc (33), and the upper end of the vertical rod (4) is fixedly connected with the prism (1).

2. A self-balancing measuring prism device according to claim 1, characterized in that the vertical rod (4) comprises a first column body (41) and a second column body (42) which are axially connected, one end of each of the first column body (41) and the second column body (42) is fixedly connected with the solid disc (33), and the other end of the first column body (41) is fixedly connected with the prism (1).

3. A self-balancing measuring prism device according to claim 2, characterized in that the centre of gravity of the vertical rod (4), the solid disc (33) and the prism (1) as a whole is located in the second cylinder (42).

4. A self-balancing measuring prism device according to claim 2 or 3, characterized in that the prism (1) comprises a prism body (11), a frame (12) supporting the prism body (11), a connection (13) for fixedly connecting the prism (1) with the first cylinder (41).

5. A self-balancing measuring prism device according to claim 4, characterized in that the connecting piece (13) is axially and rotatably connected to the first cylinder (41).

6. A self-balancing measuring prism device according to claim 5, characterized in that the other end of the second cylinder (42) is provided with a radiation device (43) for alignment with the pile spot.

7. A self-balancing measuring prism device according to claim 6, characterized in that the vertical bar (4) is provided with a radiation switch (44) controlling the radiation device (43).

8. A self-balancing measuring prism device according to claim 1, characterized in that the outer ring (31) is provided with a first rotation shaft (311), the inner ring (32) is provided with a first rotation shaft hole (321), and the first rotation shaft (311) extends into the first rotation shaft hole (321) and is rotatably connected with the first rotation shaft hole (321).

9. A self-balancing measuring prism device according to claim 8, characterized in that the inner ring (32) is provided with a second rotation shaft (322), the solid disc (33) is provided with a second rotation shaft hole (331), and the second rotation shaft (322) extends into the second rotation shaft hole (331) and is rotatably connected with the second rotation shaft hole (331).

10. A self-balancing measuring prism device according to claim 9, characterized in that the first rotation axis (311) and the second rotation axis (322) are perpendicular to each other.