CN219936187U - Biprism device - Google Patents

Abstract

The utility model discloses a biprism device which comprises a monitoring pier, a chassis fixed on the monitoring pier, a first support arranged on the chassis and a first prism arranged on the first support, wherein a second support capable of being adjusted in a rotating mode is arranged at the top of the first support, an angle limiting mechanism used for limiting the relative angle of the first support and the second support is arranged between the first support and the second support, and a second prism is arranged on the second support. The biprism device meets the accurate monitoring requirement, has good convenience and low labor cost.

Description

Biprism device

Technical Field

The utility model relates to the technical field of measuring instruments, in particular to a biprism device.

Background

In the construction process of municipal works, highways, railways, water conservancy projects and hydroelectric projects, due to the effects of earth and stone excavation and bad weather, cracks, deformation, landslide, collapse and the like can occur at a plurality of parts around a construction site, and the phenomena can generate great potential safety hazards for site construction; if monitoring safety precaution is not carried out in time in the processing process of the potential safety hazards, casualties and equipment loss can be caused to a great extent; therefore, the deformation of the deformation body is effectively and timely monitored, and the deformation body can be accurately mastered, so that safety early warning is provided for engineering construction and emergency work, and the safety of personnel and equipment is ensured to have guiding effect.

The construction site surface deformation monitoring work is to build a concrete monitoring pier at a part needing to be monitored, and then to install a prism above the monitoring pier, so that the deformation monitoring can be performed. In order to improve the monitoring accuracy, one deformation monitoring point needs to monitor in multiple directions by using working base points at different positions to obtain accurate measured values.

However, only a single prism (prism device) is generally installed on the existing monitoring pier, the prism is fixed on the monitoring pier, the direction is difficult to freely adjust, the method is often adopted in which the manual rotation direction of the prism at the surface deformation monitoring point is monitored to the other working base point after the completion of the standard monitoring by using one of the working base points, the accurate monitoring requirement is difficult to meet, the convenience is poor, and the labor cost is high.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide the biprism device which meets the accurate monitoring requirement, has good convenience and low labor cost.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a biprism device, includes the monitoring mound, fixes the chassis on the monitoring mound, installs the first support on the chassis and installs the first prism on first support, the top of first support is equipped with rotatable second support, be equipped with the angle limiting mechanism that is used for limiting two relative angles between first support and the second support, be equipped with the second prism on the second support.

As a further improvement of the above technical scheme:

the angle limiting mechanism comprises limiting rods and limiting springs, a plurality of limiting grooves are formed in the second support at intervals around the rotation center, the limiting rods are slidably arranged on the first support, and the limiting springs are arranged between the limiting rods and the first support and used for enabling the limiting rods to be inserted into the corresponding limiting grooves.

The bottom of second support is equipped with the axostylus axostyle, the axostylus axostyle rotation sets up the top at first support.

The limit groove is arranged on the peripheral side of the shaft lever.

The first support is provided with a mounting seat, the mounting seat is positioned on the side of the shaft lever, the mounting seat is provided with a guide hole, and the limiting rod is arranged in the guide hole in a penetrating mode.

The end of the limiting rod far away from the shaft lever is provided with a drawing part.

The limiting rod is provided with an anti-falling block at one end close to the shaft rod, and the limiting spring is sleeved on the limiting rod and abuts against the anti-falling block and the mounting seat.

The bottom of second support is equipped with the enhancement and props, the bottom of enhancement props is equipped with the rolling element, the rolling element rolls and sets up on first support.

The top of first support is equipped with the arc guide way that uses the axostylus axostyle as the arc center, the rolling element rolls and sets up in the arc guide way of arc center.

The centers of the first prism and the second prism are positioned on the same vertical line.

Compared with the prior art, the utility model has the advantages that:

according to the biprism device, after the limiting effect of the angle limiting mechanism on the first bracket and the second bracket is released, the second bracket can drive the second prism to rotate relative to the first bracket so as to adjust the direction of the second prism, and after the direction is adjusted, the angle limiting mechanism is used for limiting the first bracket and the second bracket. This biprism device has satisfied accurate monitoring requirement through biprism structure and angle limiting mechanism's setting, and the convenience is good, and the cost of labor is low.

Drawings

Fig. 1 is a schematic perspective view of a biprism device according to the present utility model.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

The reference numerals in the drawings denote:

1. monitoring piers; 2. a chassis; 3. a first bracket; 31. a mounting base; 311. a guide hole; 32. an arc-shaped guide groove; 4. a first prism; 5. a second bracket; 51. a limit groove; 52. a shaft lever; 6. an angle limiting mechanism; 61. a limiting rod; 611. a drawing part; 612. an anti-falling block; 62. defining a spring; 7. a second prism; 8. reinforcing struts; 9. a rolling member.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific examples.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Fig. 1 to 3 show an embodiment of the biprism device of the present utility model, which comprises a monitoring pier 1, a chassis 2 fixed on the monitoring pier 1, a first bracket 3 mounted on the chassis 2, and a first prism 4 mounted on the first bracket 3, wherein a second bracket 5 capable of being rotatably adjusted is arranged on top of the first bracket 3, an angle limiting mechanism 6 for limiting the relative angle of the first bracket 3 and the second bracket 5 is arranged between the first bracket 3 and the second bracket 5, and a second prism 7 is arranged on the second bracket 5.

After the limiting effect of the angle limiting mechanism 6 on the first bracket 3 and the second bracket 5 is released, the second bracket 5 can drive the second prism 7 to rotate relative to the first bracket 3 so as to adjust the direction of the second prism 7, and after the direction is adjusted, the angle limiting mechanism 6 is used for limiting the first bracket 3 and the second bracket 5. This biprism device has satisfied accurate monitoring requirement through biprism structure and angle limiting mechanism 6's setting, and the convenience is good, and the cost of labor is low.

In this embodiment, as shown in fig. 2, the angle limiting mechanism 6 includes a limiting rod 61 and a limiting spring 62, the second bracket 5 is provided with a plurality of limiting grooves 51 spaced around the rotation center, the limiting rod 61 is slidably disposed on the first bracket 3, and the limiting spring 62 is disposed between the limiting rod 61 and the first bracket 3 for inserting the limiting rod 61 into the corresponding limiting groove 51. The limiting rod 61 is inserted into the corresponding limiting groove 51 by the elastic force of the limiting spring 62 to limit the relative angle of the first bracket 3 and the second bracket 5, thereby determining the direction of the second prism 7.

In this embodiment, the bottom of the second bracket 5 is provided with a shaft 52, and the shaft 52 is rotatably disposed on the top of the first bracket 3. The limit groove 51 is provided on the circumferential side of the shaft 52. Specifically, the top end of the shaft 52 is fixedly connected to the bottom center of the second bracket 5, and the bottom end is rotatably connected to the top center of the first bracket 3.

In this embodiment, the first bracket 3 is provided with a mounting seat 31, the mounting seat 31 is located at a side of the shaft lever 52, the mounting seat 31 is provided with a guide hole 311, and the limiting rod 61 is inserted into the guide hole 311. The guide hole 311 slidably guides the restricting lever 61 so that the restricting lever 61 slides in a direction approaching and moving away from the shaft 52. Specifically, the guide hole 311 and the limiting rod 61 are disposed horizontally, and the shaft 52 is disposed vertically.

In this embodiment, the end of the limiting rod 61 remote from the shaft 52 is provided with a drawing portion 611. The restricting rod 61 is inserted into one end of the restricting groove 51 by the drawing part 611 to release the restricting action on the shaft 52, so that the second bracket 5 can be rotatably adjusted.

In this embodiment, an anti-falling block 612 is disposed at one end of the limiting rod 61 near the shaft 52, and the limiting spring 62 is sleeved on the limiting rod 61 and abuts between the anti-falling block 612 and the mounting seat 31.

In this embodiment, as shown in fig. 1 and 3, the bottom of the second bracket 5 is provided with a reinforcing brace 8, the bottom of the reinforcing brace 8 is provided with a rolling member 9, and the rolling member 9 is disposed on the first bracket 3 in a rolling manner. The second support 5 is supported in an auxiliary manner by the reinforcing support 8 and the rolling piece 9, so that the overall stability is improved, and meanwhile, the rotation adjustment of the second support 5 is not affected.

In this embodiment, the top of the first bracket 3 is provided with an arc-shaped guide groove 32 with a shaft lever 52 as an arc center, and the rolling member 9 is rollingly disposed in the arc-shaped guide groove 32. The arc-shaped guide groove 32 is arc-shaped and is used for guiding the rolling element 9 in a rolling way, so that the rolling element 9 is prevented from jumping in the circumferential direction.

In this embodiment, the centers of the first prism 4 and the second prism 7 are located on the same vertical line. The measurement accuracy of the first prism 4 and the second prism 7 is ensured.

While the utility model has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims (10)

1. The utility model provides a biprism device, includes monitoring mound (1), fixes chassis (2) on monitoring mound (1), installs first support (3) on chassis (2) and installs first prism (4) on first support (3), its characterized in that: the top of first support (3) is equipped with rotatable second support (5), be equipped with between first support (3) and second support (5) and be used for prescribing a limit to angle between two relative angles limit mechanism (6), be equipped with second prism (7) on second support (5).

2. The biprism device according to claim 1, wherein: the angle limiting mechanism (6) comprises limiting rods (61) and limiting springs (62), a plurality of limiting grooves (51) are formed in the second support (5) at intervals around the rotation center, the limiting rods (61) are slidably arranged on the first support (3), and the limiting springs (62) are arranged between the limiting rods (61) and the first support (3) and used for enabling the limiting rods (61) to be inserted into the corresponding limiting grooves (51).

3. The biprism device according to claim 2, wherein: the bottom of the second bracket (5) is provided with a shaft lever (52), and the shaft lever (52) is rotatably arranged at the top of the first bracket (3).

4. A biprism device according to claim 3, wherein: the limit groove (51) is arranged on the periphery side of the shaft lever (52).

5. The biprism apparatus according to claim 4, wherein: the first bracket (3) is provided with a mounting seat (31), the mounting seat (31) is positioned on the side of the shaft lever (52), the mounting seat (31) is provided with a guide hole (311), and the limiting rod (61) is arranged in the guide hole (311) in a penetrating mode.

6. The biprism apparatus according to claim 5, wherein: the end of the limiting rod (61) far away from the shaft rod (52) is provided with a drawing part (611).

7. The biprism apparatus according to claim 6, wherein: one end of the limiting rod (61) close to the shaft lever (52) is provided with an anti-falling block (612), and the limiting spring (62) is sleeved on the limiting rod (61) and abuts against the space between the anti-falling block (612) and the mounting seat (31).

8. A biprism device according to claim 3, wherein: the bottom of second support (5) is equipped with strengthens propping up (8), the bottom of strengthening propping up (8) is equipped with rolling element (9), rolling element (9) roll and set up on first support (3).

9. The biprism apparatus according to claim 8, wherein: the top of the first bracket (3) is provided with an arc-shaped guide groove (32) taking a shaft lever (52) as an arc center, and the rolling piece (9) is arranged in the arc-shaped guide groove (32) in a rolling way.

10. The biprism device according to any one of claims 1 to 9, wherein: the centers of the first prism (4) and the second prism (7) are positioned on the same vertical line.