Modularized measuring platform

Abstract

The utility model discloses a modularized measuring platform, relates to the technical field of prism supports, and solves the technical problems that the existing prism support can only move in the vertical direction after being fixed, the measuring scene is limited, and the measuring precision is difficult to guarantee. A connecting block which slides in a certain area is arranged in the prism support, rotating unfolding rods are arranged on the two sides of the connecting block, then outward-unfolding structures exist on the two sides of the prism support, the unfolding rods can be rotated to be outwards unfolded when the prism support is shielded by an object, and extension rods for fixing the position of the prism are arranged in the unfolding rods. The prism support is provided with a structure capable of extending outwards and fixing the prism, the prism support can be suitable for various occasions during measurement, a plurality of structures for limiting angles are arranged between the extending rod and the connecting block, and the end, away from the prism support, of the extension rod can be adjusted to the proper height and position according to needs during use. Therefore, the measurement is not limited by the measurement space to a certain extent.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the prism support field relates to prism fixing technology, specifically a kind of modular measuring platform. BACKGROUND

[0002] Prism is generally used with total station when used in engineering survey, and is mainly used as a reflector in total station survey, which can receive ranging light beams emitted by total station and reflect them back, and by measuring the phase shift or propagation time of light signals, total station can indirectly calculate the distance between the prism.

[0003] The existing prism is generally used with a support, which can be vertically telescopic. In some scenarios, the prism is fixed in a certain position to meet the measurement requirements and protect the prism from damage. At this time, the support that can only be vertically telescopic can only support the prism to move vertically, and the prism can only support single-position measurement, which is limited in use. Moreover, after the position is fixed, the prism cannot change the horizontal position, which is not convenient for fine-tuning the position of the prism and difficult to ensure the measurement accuracy.

[0004] Therefore, the utility model provides a kind of modular measuring platform. UTILITY MODEL CONTENT

[0005] The utility model aims at at least one of the technical problems existing in the prior art. To this end, the utility model provides a kind of modular measuring platform, which solves the problem that the existing prism support can only move vertically after being fixed in position, the measurement scene is limited and it is difficult to ensure the measurement accuracy.

[0006] To achieve the above-mentioned purpose, according to the first aspect of the utility model embodiment, a kind of modular measuring platform is provided, including prism support, the prism support inside is provided with contraction mechanism, and the contraction mechanism includes:

[0007] Guide slot, the guide slot is opened in prism support inside;

[0008] Connecting block, the connecting block is matched with guide slot, two expansion rods are rotatably connected in the connecting block, two expansion rods are symmetrically arranged relative to connecting block, the length of expansion rod is less than the length of guide slot;Extension rod is slidably connected in the expansion rod, and the side of extension rod is in the same horizontal plane with the side of expansion rod, and the end of extension rod away from expansion rod is fixedly connected with fixed column;

[0009] The limiting rod is in threaded connection with the unfolding rod, two limiting rings are in sliding connection inside the unfolding rod, and opposite surfaces of the limiting rod are attached to the two limiting rings.

[0010] Optionally, the limiting ring is Q-shaped in cross section, the limiting slot comprises a circular slot and a plurality of arc-shaped slots, the centers of the arc-shaped slots are located on the circular slot, and the arc-shaped slots are uniformly arranged at the edges of the circular slot; the arc-shaped slots are matched with the surface protrusions of the limiting ring.

[0011] Optionally, an accommodating groove is formed in one end of the extension rod close to the limiting rod, and the accommodating groove is matched with the limiting rod.

[0012] Optionally, two clamping rods are in sliding connection inside the extension rod, the two clamping rods are symmetrically arranged relative to the extension rod, and triangular teeth are fixedly connected to one side of the clamping rod close to the unfolding rod.

[0013] Optionally, a clamping groove is formed in the unfolding rod, and the clamping groove is matched with the clamping rod.

[0014] Optionally, a connecting spring is fixedly connected between the two clamping rods, and an operating rod is in threaded connection inside the extension rod, and opposite surfaces of the operating rod are attached to the two clamping rods.

[0015] Optionally, a limiting rod is in threaded connection inside the connecting block, the cross section of the guide slot is T-shaped, and the diameter of one end of the limiting rod away from the connecting block is greater than the width of the guide slot.

[0016] Compared with the prior art, the prism support is internally provided with a connecting block sliding in a certain area, and a rotating unfolding rod is arranged on both sides of the connecting block, so that an outwardly extended structure exists on both sides of the prism support, and when the prism support is blocked by an object, the unfolding rod can be rotated and extended, and the extension rod for fixing the position of the prism is arranged inside the unfolding rod, so that the prism support itself has an outwardly extended structure for fixing the prism, which can be applied to various occasions during measurement, and a plurality of structures for limiting the angle are arranged between the unfolding rod and the connecting block, so that the end of the extension rod away from the prism support can be adjusted to a suitable height and position according to the needs during use, and the measurement is not limited by the measurement space to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure perspective view of the prism support and the centering rod of the utility model;

[0018] Figure 2 It is a structure perspective view of the utility model;

[0019] Figure 3 This is a three-dimensional structural cross-sectional view of the extension rod of this utility model;

[0020] Figure 4 This is a three-dimensional structural cross-sectional view of the limiting rod of this utility model;

[0021] Figure 5 For the present utility model Figure 4 Enlarged view of the local structure at point A;

[0022] Figure 6 For the present utility model Figure 4 Enlarged view of the local structure at point B.

[0023] In the diagram: 1. Prism support;

[0024] 21. Guide groove; 22. Connecting block; 23. Deployment rod; 24. Extension rod; 25. Fixing post; 26. Limiting rod; 27. Limiting ring; 28. Limiting spring; 29. ​​Limiting groove;

[0025] 31. Receiving tank;

[0026] 41. Locking rod; 42. Triangular tooth; 43. Locking groove; 44. Connecting spring; 45. Operating rod;

[0027] 51. Limiting bar. Detailed Implementation

[0028] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0029] like Figures 1-6 As shown, a modular measurement platform includes a prism holder 1.

[0030] It should be noted that the prism support 1 is as follows: Figure 2 As shown, the prism bracket 1 can be installed on a conventional centering rod, or it can be fixed to the building machine by welding, bolting or clamping or other methods.

[0031] The prism support 1 is provided with a retraction mechanism, which includes:

[0032] Guide groove 21 is formed inside the prism support 1; the guide groove 21 is formed in a designated area inside the prism support 1, thereby limiting the sliding range of the internal structure of the guide groove 21 and ensuring that the total station can be aligned with the prism within the height range.

[0033] A connecting block 22 is adapted with the guide groove 21, two unfolding rods 23 are rotatably connected inside the connecting block 22, the two unfolding rods 23 are symmetrically arranged relative to the connecting block 22, and the length of the unfolding rod 23 is less than the length of the guide groove 21; the unfolding rod 23 rotates through the connecting block 22, so that the unfolding rod 23 can be perpendicular to the guide groove 21 or parallel to the guide groove 21, and then when the unfolding rod 23 needs to be used, the unfolding rod 23 can be unfolded outward, and when it is stored, it can be completely stored inside the prism support 1, which is convenient for carrying;

[0034] The inside of the unfolding rod 23 is slidably connected with an extension rod 24, one side of the extension rod 24 is in the same horizontal plane as one side of the unfolding rod 23, and the end of the extension rod 24 away from the unfolding rod 23 is fixedly connected with a fixed column 25; the fixed column 25 is fixedly connected with the prism; the inside of the unfolding rod 23 is provided with the sliding extension rod 24, so that the distance between the unfolded structure and the prism support 1 can be extended, and the distance can be measured regardless of various size obstructions, thereby expanding the application range; and the extension rod 24 is flush with one side of the unfolding rod 23, so that the position of the extension rod 24 in the unfolding rod 23 can be adjusted;

[0035] A limiting rod 26 is threadedly connected with the inside of the unfolding rod 23, two limiting rings 27 are slidably connected inside the unfolding rod 23, the two limiting rings 27 are symmetrically arranged inside the unfolding rod 23, and the limiting rod 26 is attached to the opposite surfaces of the two limiting rings 27; a limiting spring 28 is fixedly connected between the limiting rings 27, the cross section of the limiting ring 27 is Q-shaped, a limiting groove 29 is formed in the surface of the connecting block 22, the limiting groove 29 includes a circular groove and a plurality of arc grooves, the centers of the arc grooves are located on the circular groove, and the plurality of arc grooves are evenly arranged on the edge of the circular groove; the arc grooves are adapted with the protrusions on the surfaces of the limiting rings 27; the limiting rod 26 slidably connected inside the unfolding rod 23 moves the limiting ring 27 to the position of the limiting groove 29, so that when the limiting ring 27 contacts the limiting groove 29, the position between the connecting block 22 and the limiting ring 27 is fixed, the angle between the unfolding rod 23 and the connecting block 22 is limited, and then the prism fixed at one end of the extension rod 24 will not change position;

[0036] The modular measuring platform, in the actual application process, the prism support 1 is internally provided with a connecting block 22 sliding in a certain area, and the two sides of the connecting block 22 are provided with rotating unfolding rods 23, so that there are unfolded structures on the two sides of the prism support 1, and when the prism support 1 is blocked by an object, the unfolding rods 23 can be rotated and unfolded, and the extension rods 24 for fixing the position of the prism are arranged in the unfolding rods 23, so that the prism support 1 itself has an unfolded structure for fixing the prism, and can be applied to various occasions during measurement, and a plurality of structures for limiting the angle are arranged between the unfolding rods 23 and the connecting block 22, so that the end of the extension rod 24 away from the prism support 1 can be adjusted to a suitable height and position according to the need during use, and the measurement is not limited by the measurement space to a certain extent during measurement;

[0037] In some specific embodiments, an accommodating groove 31 is formed in one end of the extension rod 24 close to the limiting rod 26, and the accommodating groove 31 is matched with the limiting rod 26; one end of the extension rod 24 is provided with the accommodating groove 31 for accommodating the limiting rod 26, so that the movable space of the extension rod 24 in the unfolding rod 23 is larger, and when the extension rod 24 is completely slid into the unfolding rod 23, there is no gap between the two, so that when the prism support 1 is idle, dust will not fall into the unfolding rod 23, affecting the movement of the structure;

[0038] In some specific embodiments, two clamping rods 41 are slidably connected in the extension rod 24, the two clamping rods 41 are symmetrically arranged relative to the extension rod 24, triangular teeth 42 are fixedly connected to one side of the clamping rod 41 close to the unfolding rod 23, a clamping groove 43 is formed in the unfolding rod 23, and the clamping groove 43 is matched with the clamping rod 41; a connecting spring 44 is fixedly connected between the two clamping rods 41, an operating rod 45 is threadedly connected in the extension rod 24, and the operating rod 45 is attached to the opposite surfaces of the two clamping rods 41;

[0039] In some specific embodiments, a limiting rod 51 is threadedly connected in the connecting block 22, the cross section of the guide groove 21 is T-shaped, and the diameter of one end of the limiting rod 26 away from the connecting block 22 is greater than the width of the guide groove 21;

[0040] The working principle of the utility model:

[0041] When there is an obstacle between the prism support 1 and the total station, first, rotate the operating rod 45 to move the operating rod 45 outward from the extension rod 24, and then the distance between the clamping rods 41 is shortened under the action of the connecting spring 44, the clamping rods 41 are separated from the clamping grooves 43, pull the extension rod 24, the extension rod 24 is separated from the limiting rod 26, rotate the limiting rod 26 to shorten the distance between the limiting rings 27, the limiting rings 27 are separated from the limiting grooves 29, then rotate the unfolding rod 23, and after the unfolding rod 23 is rotated to the appropriate position, reset the limiting rod 26; then slide the extension rod 24 to the appropriate position, reset the operating rod 45, and finally fix the prism and one end of the extension rod 24.

[0042] If the height of the prism needs to be changed, rotate the limiting rod 51 away from the prism support 1, and after the limiting rod 51 is separated from the prism support 1, the connecting block 22 can be slid to change the height of the prism.

[0043] The above examples are only used to illustrate the technical method of the utility model and are not limited. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A modular measuring platform comprising a prism holder (1), characterized in that, The prism support (1) is internally provided with a contraction mechanism, which comprises: A guide groove (21) is arranged in the prism support (1); A connecting block (22) is matched with the guide groove (21), two unfolding rods (23) are rotatably connected in the connecting block (22), the two unfolding rods (23) are symmetrically arranged relative to the connecting block (22), the length of the unfolding rod (23) is less than the length of the guide groove (21); an extension rod (24) is slidably connected in the unfolding rod (23), one side of the extension rod (24) is in the same horizontal plane as one side of the unfolding rod (23), a fixed column (25) is fixedly connected to one end of the extension rod (24) away from the unfolding rod (23); A limiting rod (26) is threadedly connected with the unfolding rod (23), two limiting rings (27) are slidably connected in the unfolding rod (23), the limiting rod (26) is attached to the opposite surfaces of the two limiting rings (27); a limiting spring (28) is fixedly connected between the two limiting rings (27), a limiting groove (29) is arranged on the surface of the connecting block (22), and the limiting ring (27) is matched with the limiting groove (29).

2. The modular measurement platform of claim 1, wherein, The cross section of the limiting ring (27) is Q-shaped, and the surface has a protrusion, the limiting groove (29) comprises a circular groove and a plurality of arc grooves, the centers of the arc grooves are located on the circular groove, and the plurality of arc grooves are uniformly arranged on the edge of the circular groove; the arc grooves are matched with the protrusions on the surface of the limiting ring (27).

3. The modular measurement platform of claim 1, wherein, An accommodating groove (31) is arranged on one end of the extension rod (24) close to the limiting rod (26), and the accommodating groove (31) is matched with the limiting rod (26).

4. The modular measurement platform of claim 1, wherein, Two clamping rods (41) are slidably connected in the extension rod (24), the two clamping rods (41) are symmetrically arranged relative to the extension rod (24), and a triangular tooth (42) is fixedly connected to one side of the clamping rod (41) close to the unfolding rod (23).

5. The modular measurement platform of claim 4, wherein, A clamping groove (43) is arranged in the unfolding rod (23), and the clamping groove (43) is matched with the clamping rod (41).

6. The modular measurement platform of claim 4, wherein, A connecting spring (44) is fixedly connected between the two clamping rods (41), an operating rod (45) is threadedly connected in the extension rod (24), and the operating rod (45) is attached to the opposite surfaces of the two clamping rods (41).

7. The modular measurement platform of claim 1, wherein, A limiting rod (51) is threadedly connected in the connecting block (22), the cross section of the guide groove (21) is T-shaped, and the diameter of one end of the limiting rod (26) away from the connecting block (22) is greater than the width of the guide groove (21).

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