Fixator for small prism of total station

Abstract

The utility model relates to the technical field of total stations, and provides a total station small prism fixing device which comprises a small prism and a pre-fixing frame, the small prism is arranged on the pre-fixing frame, a frame is arranged on the pre-fixing frame, a fixing assembly is arranged in the frame, a split connecting assembly is arranged between the frame and the pre-fixing frame, and the fixing assembly comprises a pair of rotating blocks. The rotating blocks are rotationally connected to the two sides of the frame correspondingly, and outer ring grooves are formed in the surfaces of the two sides outside the frame. According to the technical scheme, the problems that in the prior art, an existing small prism usually needs to be fixedly installed in the actual using process, and in the existing installation mode, holes are formed in the ground, and then expansion bolts are used for fixedly installing the small prism, so that the small prism is difficult to disassemble after being used are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to total station technical field, specifically, relate to a total station small prism fixer. BACKGROUND

[0002] ‌Small prism, especially right-angle small prism, is an optical instrument mainly used in conjunction with total station. Right-angle small prism is mainly composed of right-angle support and prism head and cannot be used alone. Its main function is to cooperate with total station for ranging and orientation. Right-angle small prism is widely used in surveying and mapping field, especially when using total station for measurement, right-angle small prism can provide accurate ranging and orientation function to ensure the accuracy of measurement. The use of right-angle small prism can be traced back to the early development stage of surveying and mapping technology. With the progress of surveying and mapping technology, the design and manufacturing technology of right-angle small prism are constantly optimized to meet more accurate measurement requirements‌

[0003] Small prism of total station is a commonly used accessory in the measurement process of total station, which is used to reflect the light signal emitted by the range finder and return it to the instrument for measurement. Small prism is usually made of a piece of glass or plastic with special coating, and its surface has some precise scratches for alignment during measurement. Small prism of total station is widely used in civil engineering, building surveying, road design and other measurement applications. They are used to measure the position of survey points, the elevation of buildings, the levelness of roads, etc. The use of small prism can improve the speed and accuracy of measurement and reduce the possibility of human error, making the measurement process more efficient and reliable.

[0004] However, the existing small prism usually needs to be fixed and installed in actual use, and the existing installation method is usually to drill holes in the ground and then use expansion bolts to fix and install the small prism, which makes it difficult to disassemble after the small prism is used.

[0005] Therefore, the above problems are improved. UTILITY MODEL CONTENTS

[0006] The utility model provides a kind of small prism fixer of total station, solve the problem that existing small prism in prior art in related technology usually needs to be fixed and installed in actual use, and the existing installation method is usually to drill holes in the ground, then use expansion bolt to fix and install small prism, which makes it difficult to disassemble after the small prism is used.

[0007] The technical scheme of the utility model is as follows: including

[0008] Small prism and pre-solid frame, the small prism is arranged on the pre-solid frame;

[0009] Frame and fixed assembly, the frame is arranged on the pre-solid frame, and the fixed assembly is arranged in the frame.

[0010] A split connecting assembly is arranged between the frame and the pre-fixing frame;

[0011] The fixing assembly comprises a pair of rotating blocks rotatably connected to the two sides of the frame, and outer ring grooves are formed in the outer side surfaces of the frame.

[0012] As a further technical solution, a limiting tooth groove is formed in the outer surface of the rotating block, a pair of protrusions are arranged in the outer ring groove, the protrusions are inserted into the limiting tooth groove, and a rectangular rod is movably sleeved in the rotating block.

[0013] As a further technical solution, a sleeve block is fixedly connected to one end of the rectangular rod, a pair of sleeve blocks are tightly sleeved on the two sides of the small prism, a pair of movable rods are arranged on the side end surface of the sleeve block, the movable rods are movably sleeved in the rotating block, and springs are sleeved on the movable rods.

[0014] As a further technical solution, the split connecting assembly comprises a pair of slots, the slots are formed at the two ends of the pre-fixing frame, an insertion groove is formed in the inner side surface of the slot, and a pair of connecting frames are arranged at the bottom of the frame.

[0015] As a further technical solution, an insertion frame is rotatably connected to the connecting frame through a pin shaft, the insertion frame is inserted into the insertion groove, and a tension spring is connected between the insertion frames.

[0016] As a further technical solution, the sleeve blocks are arc-shaped structures, and the side surfaces of the sleeve blocks are provided with convex layers.

[0017] As a further technical solution, the surface of the pre-fixing frame is provided with a mounting hole, and the mounting hole is a countersunk structure.

[0018] As a further technical solution, the insertion frame has an overall L-shaped structure.

[0019] The working principle and beneficial effects of the utility model are as follows:

[0020] 1. In the utility model, the fixing assembly is arranged, the rotating block, the limiting tooth groove, the protrusion, the rectangular rod, the movable rod, the spring and the sleeve block interact with each other, the small prism can be clamped in the middle through the two arc-shaped sleeve blocks, the rotating block can be rotated to any angle after being fixed, the limiting tooth groove and the protrusion can be matched to limit after being rotated, the angle after being adjusted can be kept, and the fixing effect is good.

[0021] 2. The utility model discloses a split connecting assembly is provided, through the mutual action of the structure such as slot, connecting frame, plug-in frame and spring, the split structure between plug-in frame and pre-solid frame, and can cooperate and connect fixed with the slot, when disassembling small prism, can leave pre-solid frame in the field, and disassembles main structural part, can save a large amount of operation time. BRIEF DESCRIPTION OF DRAWINGS

[0022] The utility model will be further explained in detail in connection with the drawings and specific embodiment.

[0023] Figure 1 It is the structure schematic diagram of the utility model;

[0024] Figure 2 It is the axonometric view of the utility model;

[0025] Figure 3 It is the axonometric sectional view of the utility model;

[0026] Figure 4 It is the utility model attached Figure 2 The partial close -up view of part A in the middle;

[0027] In the drawing: 1, small prism; 2, pre-solid frame; 3, frame; 4, fixed assembly; 4-1, rotating block; 4-2, outer ring groove; 4-3, limit tooth groove; 4-4, lug; 4-5, rectangular rod; 4-6, sleeve block; 4-7, movable rod; 4-8, spring; 5, split connecting assembly; 5-1, slot; 5-2, slot; 5-3, connecting frame; 5-4, plug-in frame; 5-5, tension spring; 6, convex layer; 7, mounting hole. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely in connection with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are involved in the scope of the utility model protection.

[0029] As Figures 1-4 shown, the embodiment proposes a total station small prism fixer, including

[0030] Small prism 1 and pre-solid frame 2, small prism 1 is arranged on pre-solid frame 2;

[0031] Frame 3 and fixed assembly 4, frame 3 is arranged on pre-solid frame 2, and fixed assembly 4 is arranged in frame 3;

[0032] Split connecting assembly 5, split connecting assembly 5 is arranged between frame 3 and pre-solid frame 2;

[0033] The fixing assembly 4 comprises a pair of rotating blocks 4-1 rotatably connected to the two sides of the frame 3, outer ring grooves 4-2 are formed on the outer sides of the frame 3, limit tooth grooves 4-3 are formed around the outer surfaces of the rotating blocks 4-1, a pair of protrusions 4-4 are arranged in the outer ring grooves 4-2 and inserted into the limit tooth grooves 4-3, rectangular rods 4-5 are movably sleeved in the rotating blocks 4-1, sleeve blocks 4-6 are fixed to one end of the rectangular rods 4-5 and tightly sleeved on the two sides of the small prism 1, a pair of movable rods 4-7 are arranged on the side end faces of the sleeve blocks 4-6 and movably sleeved in the rotating blocks 4-1, and springs 4-8 are sleeved on the movable rods 4-7.

[0034] In this embodiment, in order to fix the small prism 1 and adjust the angle, the fixing assembly 4 is designed, the rotating blocks 4-1 are rotatably connected to the two sides of the frame 3, the outer ring grooves 4-2 are formed around the outer surfaces of the rotating blocks 4-1, the limit tooth grooves 4-3 are formed on the outer surfaces of the rotating blocks 4-1, the protrusions 4-4 are arranged in the outer ring grooves 4-2 and limit the rotating angle of the rotating blocks 4-1, the rectangular rods 4-5 and the two movable rods 4-7 are movably sleeved in the rotating blocks 4-1, the sleeve blocks 4-6 are arranged at one end of the rectangular rods 4-5 and the movable rods 4-7 and used for clamping the small prism 1, and the springs 4-8 are sleeved on the movable rods 4-7 and used for providing the clamping effect of the sleeve blocks 4-6 on the small prism 1.

[0035] Further, the split connecting assembly 5 comprises a pair of notched grooves 5-1 formed at the two ends of the pre-fixing frame 2, the inner side end faces of the notched grooves 5-1 are provided with insertion grooves 5-2, the bottom of the frame 3 is provided with a pair of connecting frames 5-3, the connecting frames 5-3 are rotatably connected to the insertion frames 5-4 through pin shafts, the insertion frames 5-4 are inserted into the insertion grooves 5-2, and the insertion frames 5-4 are connected by the tension spring 5-5.

[0036] In this embodiment, in order to facilitate disassembly, the split connecting assembly 5 is designed, the notched grooves 5-1 are formed at the two ends of the pre-fixing frame 2 and the insertion grooves 5-2 are formed inside, the bottom of the frame 3 is provided with the two connecting frames 5-3 and the insertion frames 5-4 rotatably connected by the pin shafts, the insertion frames 5-4 are used for being inserted into the insertion grooves 5-2, the frame 3 can be fixed on the pre-fixing frame 2, and the tension spring 5-5 is arranged between the two insertion frames 5-4 and used for tensioning the insertion frames 5-4.

[0037] Further, the pair of sleeve blocks 4-6 are arc-shaped structures, and the side surfaces of the sleeve blocks 4-6 are provided with convex layers 6.

[0038] In this embodiment, the arc-shaped structure is more suitable for the side surface of the small prism 1, the fixing is more firm, and the convex layers 6 can prevent the small prism 1 from falling backward during installation.

[0039] Further, the pre-fixing frame 2 is provided with mounting holes 7 in the surface thereof, and the mounting holes 7 are of a countersunk head structure.

[0040] In the embodiment, the expansion screws can be hidden in the mounting holes 7 through the mounting holes 7 of the countersunk head structure, and the fixing of the small prisms 1 will not be affected.

[0041] Further, the insertion frame 5-4 is in an L-shaped structure as a whole.

[0042] In the embodiment, the L-shaped structure makes it impossible to be pulled out, and the small prisms 1 can only be fixed by being turned to the two sides.

[0043] When installation is needed, the fixing frame is inserted into the expansion screws through the mounting holes 7 to be fixed, the small prisms 1 are placed between the sleeve blocks 4-6, the pressure clamping is increased through the elastic force of the springs 4-8, the insertion frame 5-4 is pulled open and then inserted into the insertion slot 5-2 of the slot 5-1, the connection is completed, the inclination angle of the small prisms 1 can be adjusted according to the fixed position, the small prisms 1 are directly pushed during the adjustment, the rotating block 4-1 is rotated and limited through the cooperation of the convex blocks 4-4 and the limiting tooth grooves 4-3.

[0044] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A total station small prism holder, characterized in that, The utility model relates to a kind of small prism and pre-solid frame (2), the small prism (1) is arranged on the pre-solid frame (2); Frame (3) and fixed assembly (4), the frame (3) is arranged on the pre-solid frame (2), and the fixed assembly (4) is arranged in the frame (3); Split connecting assembly (5) is arranged between the frame (3) and the pre-solid frame (2); The fixed assembly (4) includes a pair of rotating blocks (4-1), which are respectively rotatably connected to the two sides of the frame (3), and the outer two sides of the frame (3) are provided with outer ring grooves (4-2). The outer surface of the rotating block (4-1) is provided with a limiting tooth groove (4-3) around it, and a pair of protrusions (4-4) are arranged in the outer ring groove (4-2), the protrusions (4-4) are inserted into the limiting tooth groove (4-3), and a rectangular rod (4-5) is movably sleeved and connected in the rotating block (4-1).

2. The total station small prism fixer according to claim 1, characterized in that, One end of the rectangular rod (4-5) is fixedly connected with a sleeve block (4-6), a pair of sleeve blocks (4-6) are tightly sleeved on the two sides of the small prism (1), a pair of movable rods (4-7) are arranged on the side end face of the sleeve block (4-6), the movable rods (4-7) are movably sleeved in the rotating block (4-1), and springs (4-8) are sleeved on the movable rods (4-7).

3. The total station small prism fixer according to claim 2, characterized in that, The split connecting assembly (5) includes a pair of slots (5-1), which are provided at the two ends of the pre-solid frame (2), and the inner side end face of the slot (5-1) is provided with a slot (5-2), and a pair of connecting frames (5-3) are arranged at the bottom of the frame (3).

4. The total station small prism fixer according to claim 1, characterized in that, The connecting frame (5-3) is rotatably connected with an insertion frame (5-4) through a pin shaft, the insertion frame (5-4) is inserted into the slot (5-2), and the insertion frame (5-4) is connected with a tension spring (5-5).

5. The total station small prism fixer according to claim 4, characterized in that, A pair of sleeve blocks (4-6) are arc-shaped structures, and the side surface of the sleeve block (4-6) is provided with a convex layer (6).

6. The total station small prism fixer according to claim 3, characterized in that, The surface of the pre-solid frame (2) is provided with a mounting hole (7), and the mounting hole (7) is a countersunk structure.

7. The total station small prism fixer according to claim 1, characterized in that, The insertion frame (5-4) is in the shape of an L.

8. The total station small prism fixer according to claim 5, characterized in that, ​

Images