Hand-held range finder for land engineering technology measurement

Abstract

The utility model provides a hand-held distance measuring instrument for land engineering technology measurement, which relates to the technical field of land engineering, and comprises a detector body and a U-shaped seat, the lower surface of the U-shaped seat is fixedly provided with a holding rod, and the side surface of the U-shaped seat is provided with an angle adjusting mechanism. The micro motor drives the gear A, the gear A is in meshing transmission with the gear B at one end of the rotating rod, so that the rotating rod is driven to rotate, angle adjustment of the detector body is further achieved, the detector body can be rapidly adjusted to a proper measuring angle, manual and strenuous adjustment is not needed, the efficiency and convenience of measurement work are greatly improved, and the detection precision is improved. The mounting disc, the supporting rod, the supporting plate, the positioning rod and the positioning hole are arranged on the holding rod, so that the position of the supporting rod can be fixed, stable support is provided for the detector body, the handheld burden of measurement personnel can be effectively relieved, the measurement operation is more stable, the measurement error caused by unstable handheld is reduced, and the measurement precision and reliability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to land engineering technical field especially, relates to a hand held range finder for land engineering technical measurement. BACKGROUND

[0002] In land engineering measurement, often need to use hand held range finder, hand held range finder is according to utilize electromagnetic wave science, optics, acoustics etc. Principle and have small and exquisite machine body, be used for distance measurement's instrument. Principle: hand held range finder when working, a very thin laser is shot to target, by photoelectric element receiving target reflected laser beam, timer determines the time of laser beam from emission to reception, calculates the distance from observer to target.

[0003] The hand held range finder in prior art has some problems, when adjusting the measurement angle, often need to operate manually, which is not only inefficient, but also poor convenience. In addition, the measurement personnel are easy to be tired for long time hand holding the range finder, and the unstable hand holding will lead to measurement error, affecting the precision and reliability of measurement. UTILITY MODEL CONTENTS

[0004] The utility model discloses a hand held range finder for land engineering technical measurement, which solves the problems of manual operation for adjusting the measurement angle and fatigue caused by long time hand holding the range finder in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hand held range finder for land engineering technical measurement, comprising a detector body and a U-shaped seat, the lower surface of the U-shaped seat is fixedly installed with a handle rod, the side surface of the U-shaped seat is provided with an angle adjusting mechanism, the surface of the handle rod is sleeved with an antiskid pad, the surface of the handle rod is slidably connected with a mounting disc, the surface of the mounting disc is fixedly installed with a fixed block, the inside of the fixed block is rotatably connected with a rotating block, the surface of the rotating block is fixedly installed with a supporting rod, one end of the supporting rod is rotatably connected with a supporting plate, the surface of the handle rod is provided with a positioning hole, the inside of the supporting rod is threadedly connected with a positioning rod, the surface of the handle rod is provided with a limiting hole, the surface of the mounting disc is fixedly installed with an L-shaped plate, the inside of the L-shaped plate is slidably connected with a limiting rod, the surface of the limiting rod is fixedly installed with a limiting disc, the surface of the limiting rod is sleeved with a tension spring.

[0006] The angle adjusting mechanism comprises a connecting block, the side surface of the connecting block is fixedly installed with a rotating rod, the side surface of the U-shaped seat is fixedly installed with a micro motor, the output end of the micro motor is fixedly installed with a gear A, one end of the rotating rod is fixedly installed with a gear B.

[0007] Preferably, the rotating rod is rotatably connected between the U-shaped seat, and the gear A is in meshing transmission with the gear B.

[0008] Preferably, the positioning rod and the positioning hole are threadedly connected.

[0009] Preferably, the limiting rod and the limiting hole are slidably connected.

[0010] Preferably, one end of the tension spring is fixedly connected to the side surface of the L-shaped plate, and the other end of the tension spring is fixedly connected to the side surface of the limiting disc.

[0011] Preferably, the side surface of the detector body is provided with a cleaning mechanism, the cleaning mechanism comprises a cleaning frame, a cleaning plate is slidably connected to the inner side of the cleaning frame, a sponge is arranged on the surface of the cleaning plate, a sliding block is fixedly connected to the side surface of the cleaning plate, a sliding groove is formed in the inner side of the cleaning frame, a pulling block is fixedly installed on the side surface of the cleaning plate, a clamping block is arranged on the side surface of the pulling block, and a clamping groove is formed in the side surface of the cleaning frame.

[0012] Preferably, the sliding block and the sliding groove are slidably connected, and the cleaning surface of the sponge is attached to the detection mirror surface of the detector body.

[0013] Preferably, the clamping block and the clamping groove are clampedly connected.

[0014] Compared with the prior art, the utility model has the advantages and positive effects that,

[0015] 1、In the utility model, through micro motor drive gear A, gear A and gear B of one end of the rotating rod are engaged transmission, thereby drive rotating rod rotation, further realize the angle adjustment of detector body, thereby can fast adjust to the detector body suitable measurement angle, do not need to adjust manually, greatly improve the efficiency and convenience of measurement work, and set up installation disc, support rod, support plate, positioning rod, positioning hole on the handle, can realize the fixation of support rod position, thereby provide stable support for detector body, can effectively reduce the hand burden of measurement personnel, make the measurement operation more stable, reduce the measurement error caused by hand holding instability, improve the precision and reliability of measurement.

[0016] 2、In the utility model, through setting up cleaning mechanism on the side surface of detector body, the cleaning plate slides in the inner side of the cleaning frame, the sponge on the surface thereof is attached to the detection mirror surface of the detector body, can effectively clean the detection mirror surface, the sliding connection of the sliding block and the sliding groove guarantees the smoothness of the cleaning plate movement, and the clamping block on the side surface of the pulling block and the clamping groove on the side surface of the cleaning frame are clampedly connected, can fix the position of the cleaning plate when not using the cleaning function, prevent it from sliding randomly, thereby can remove the dust, stains and the like on the detection mirror surface in time, avoid the influence of mirror surface dirt on the accuracy of laser emission and reception, ensure the accuracy of measurement data. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a kind of land engineering technical survey hand-held range finder's three-dimensional structure schematic view;

[0018] Figure 2 The utility model provides a kind of land engineering technical survey hand-held range finder's grip lever partial structure schematic view;

[0019] Figure 3 The utility model provides a kind of land engineering technical survey hand-held range finder Figure 2 The enlarged view of A in middle;

[0020] Figure 4 The utility model provides a kind of land engineering technical survey hand-held range finder's angle adjusting mechanism partial schematic view;

[0021] Figure 5 The utility model provides a kind of land engineering technical survey hand-held range finder's cleaning plate and sponge wipe explosion map;

[0022] Figure 6 The utility model provides a kind of land engineering technical survey hand-held range finder Figure 5 The enlarged view of B in middle.

[0023] Legend: 1, detector body; 2, U-shaped seat; 3, grip lever; 4, angle adjusting mechanism; 5, non-slip pad; 6, mounting disc; 7, fixed block; 8, rotating block; 9, support rod; 10, support plate; 11, positioning hole; 12, positioning rod; 13, limit hole; 14, L plate; 15, limit rod; 16, limit disc; 17, tension spring; 18, cleaning mechanism; 401, connecting block; 402, rotating rod; 403, micro motor; 404, gear A; 405, gear B; 181, cleaning frame; 182, cleaning plate; 183, sponge wipe; 184, sliding block; 185, sliding groove; 186, actuating block; 187, clamping block; 188, clamping groove. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples.It should be noted that the examples of the present application and the features in the examples can be combined with each other without conflict.

[0025] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, therefore, the utility model is not limited to the specific examples disclosed in the following disclosure.

[0026] Example 1: as Figures 1-6The utility model provides a technical scheme: a handheld range finder for land engineering technical survey, including detector body 1 and U type seat 2, the lower surface fixed mounting of U type seat 2 has the grip 3, the side surface of U type seat 2 is equipped with angle adjusting mechanism 4, the surface of grip 3 is equipped with antiskid pad 5, the surface slidingly connected of grip 3 has installation disc 6, the surface fixed mounting of installation disc 6 has fixed block 7, the inside rotationally connected of fixed block 7 has the block 8, the surface fixed mounting of the block 8 has support rod 9, the one end rotationally connected of support rod 9 has support plate 10, the surface of grip 3 is equipped with positioning hole 11, the inside screw connection of support rod 9 has the positioning rod 12, the surface of grip 3 is equipped with limit hole 13, the surface fixed mounting of installation disc 6 has L plate 14, the inside slidingly connected of L plate 14 has limit rod 15, the surface fixed mounting of limit rod 15 has limit disc 16, the surface of limit rod 15 is equipped with tension spring 17, angle adjusting mechanism 4 includes connecting block 401, the side surface fixed mounting of connecting block 401 has the rotation rod 402, the side surface fixed mounting of U type seat 2 has micro motor 403, the output fixed mounting of micro motor 403 has gear A 404, the one end fixed mounting of rotation rod 402 has gear B 405, the rotation rod 402 is rotatably connected between U type seat 2, gear A 404 and gear B 405 are engaged transmission, the screw connection between positioning rod 12 and positioning hole 11, the sliding connection between limit rod 15 and limit hole 13, the one end of tension spring 17 is fixedly connected with the side surface of L plate 14, the other end of tension spring 17 is fixedly connected with the side surface of limit disc 16.

[0027] In the embodiment, gear A 404 is driven by micro motor 403, gear A 404 is engaged transmission with gear B 405 at one end of rotation rod 402, thereby driving rotation rod 402 to rotate, and then realizing angle adjustment of detector body 1, so that detector body 1 can be quickly adjusted to a suitable measurement angle without manual labor adjustment, greatly improving the efficiency and convenience of measurement work, and the installation disc 6, support rod 9, support plate 10, positioning rod 12 and positioning hole 11 are arranged on the grip 3, the position of support rod 9 can be fixed, thereby providing stable support for detector body 1, effectively reducing the hand-held burden of the measurer, making the measurement operation more stable, reducing the measurement error caused by unstable hand-holding, and improving the accuracy and reliability of measurement.

[0028] Embodiment 2: as Figures 1-6As shown, the difference between the embodiment and embodiment 1 is that the side of the detector body 1 is provided with a cleaning mechanism 18, the cleaning mechanism 18 comprises a cleaning frame 181, the inner side of the cleaning frame 181 is slidably connected with a cleaning plate 182, the surface of the cleaning plate 182 is provided with a sponge 183, the side of the cleaning plate 182 is fixedly connected with a sliding block 184, the inner side of the cleaning frame 181 is provided with a sliding groove 185, the side of the cleaning plate 182 is fixedly installed with a pulling block 186, the side of the pulling block 186 is provided with a clamping block 187, the side of the cleaning frame 181 is provided with a clamping groove 188, the sliding block 184 and the sliding groove 185 are slidably connected, the cleaning surface of the sponge 183 is attached to the detection mirror surface of the detector body 1, and the clamping block 187 and the clamping groove 188 are clamped and connected.

[0029] In the embodiment, by arranging the cleaning mechanism 18 on the side of the detector body 1, the cleaning plate 182 slides in the inner side of the cleaning frame 181, and the sponge 183 on the surface thereof is attached to the detection mirror surface of the detector body 1, so that the detection mirror surface can be effectively cleaned. The sliding connection between the sliding block 184 and the sliding groove 185 ensures the smoothness of the movement of the cleaning plate 182, and the clamping connection between the clamping block 187 on the side of the pulling block 186 and the clamping groove 188 on the side of the cleaning frame 181 can fix the position of the cleaning plate 182 when the cleaning function is not used, preventing it from sliding randomly, so that the dust, stains and the like on the detection mirror surface can be removed in time, avoiding the influence of the dirt on the mirror surface on the accuracy of laser emission and reception, and ensuring the accuracy of the measurement data.

[0030] The working principle of the embodiment is as follows: in use, first, a measurer holds the handle 3, and the anti-skid pad 5 sleeved on the surface of the handle 3 can increase the friction between the hand and the handle 3, so as to ensure firm holding. If it is necessary to adjust the angle of the detector body 1, the micro motor 403 on the side of the U-shaped seat 2 is started, the micro motor 403 drives the gear A 404 at the output end to rotate, the gear A 404 is in meshing transmission with the gear B 405, the rotating rod 402 is rotated, and the connecting block 401 is rotated, the connecting block 401 is connected with the detector body 1, so that the angle adjustment of the detector body 1 is realized, so that the detector body 1 can be quickly adjusted to a suitable measuring angle, without manual labor operation, if it is necessary to stabilize the detector body 1 by means of the supporting rod 9 after the angle adjustment, the mounting disc 6 on the handle 3 is slid to a suitable position, at this time, the limiting rod 15 in the L-shaped plate fixed on the surface of the mounting disc 6 is slid into the limiting hole 13 formed on the surface of the handle 3 under the action of the tension spring 17, so that the position of the mounting disc 6 is preliminarily fixed, then the supporting rod 9 is rotated, so that the supporting rod 9 is rotated to a suitable angle in the fixed block 7 through the rotating block 8, then the positioning rod 12 threadedly connected in the supporting rod 9 is screwed into the corresponding positioning hole 11 on the surface of the handle 3, so that the position of the supporting rod 9 is fixed, at this time, the supporting plate 10 rotatably connected at one end of the supporting rod 9 can be placed on the ground or other supporting surface, so as to provide stable support for the detector body 1, reduce the burden of the measurer, make the measurement operation more stable, and reduce the measurement error caused by unstable hand holding, if the detection mirror surface of the detector body 1 is contaminated by dust or stains during the measurement process, affecting the measurement precision, the cleaning mechanism 18 can be used for cleaning, the pushing block 186 on the side of the cleaning plate 182 is pushed, so that the sliding block 184 slides in the sliding groove 185 on the inner side of the cleaning frame 181, the sponge 183 on the surface of the cleaning plate 182 is attached to the detection mirror surface, so as to wipe the mirror surface, after cleaning, the clamping block 187 on the side of the pushing block 186 is clamped into the clamping groove 188 on the side of the cleaning frame 181, so as to fix the position of the cleaning plate 182, and prevent it from sliding randomly.

[0031] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms, any person skilled in the art can change or modify the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A hand-held range finder for land engineering surveying, comprising a detector body (1) and a U-shaped seat (2), characterized in that: The lower surface of the U-shaped seat (2) is fixedly installed with a handle bar (3), the side surface of the U-shaped seat (2) is provided with an angle adjusting mechanism (4), the surface of the handle bar (3) is sleeved with an antiskid pad (5), the surface of the handle bar (3) is slidably connected with a mounting disc (6), the surface of the mounting disc (6) is fixedly installed with a fixed block (7), the inner part of the fixed block (7) is rotatably connected with a rotating block (8), the surface of the rotating block (8) is fixedly installed with a supporting rod (9), one end of the supporting rod (9) is rotatably connected with a supporting plate (10), the surface of the handle bar (3) is provided with a positioning hole (11), the inner part of the supporting rod (9) is threadedly connected with a positioning rod (12), the surface of the handle bar (3) is provided with a limiting hole (13), the surface of the mounting disc (6) is fixedly installed with an L-shaped plate (14), the inner part of the L-shaped plate (14) is slidably connected with a limiting rod (15), the surface of the limiting rod (15) is fixedly installed with a limiting disc (16), the surface of the limiting rod (15) is sleeved with a tension spring (17). The angle adjusting mechanism (4) comprises a connecting block (401), the side surface of the connecting block (401) is fixedly installed with a rotating rod (402), the side surface of the U-shaped seat (2) is fixedly installed with a micro motor (403), the output end of the micro motor (403) is fixedly installed with a gear A (404), one end of the rotating rod (402) is fixedly installed with a gear B (405).

2. The hand-held distance measuring instrument for land engineering surveying according to claim 1, characterized in that: The rotating rod (402) is rotatably connected between the U-shaped seat (2), and the gear A (404) is in meshing transmission with the gear B (405).

3. The hand-held distance measuring instrument for land engineering surveying according to claim 1, characterized in that: The positioning rod (12) is threadedly connected with the positioning hole (11).

4. The hand-held distance measuring instrument for land engineering surveying according to claim 1, characterized in that: The limiting rod (15) is slidably connected with the limiting hole (13).

5. The hand-held distance measuring instrument for land engineering surveying according to claim 1, characterized in that: One end of the tension spring (17) is fixedly connected with the side surface of the L-shaped plate (14), and the other end of the tension spring (17) is fixedly connected with the side surface of the limiting disc (16).

6. The hand-held distance measuring device for land engineering surveying according to claim 1, characterized in that: The side surface of the detector body (1) is provided with a cleaning mechanism (18), the cleaning mechanism (18) comprises a cleaning frame (181), the inner side of the cleaning frame (181) is slidably connected with a cleaning plate (182), the surface of the cleaning plate (182) is provided with a sponge (183), the side surface of the cleaning plate (182) is fixedly connected with a sliding block (184), the inner side of the cleaning frame (181) is provided with a sliding groove (185), the side surface of the cleaning plate (182) is fixedly installed with a pushing block (186), the side surface of the pushing block (186) is provided with a clamping block (187), and the side surface of the cleaning frame (181) is provided with a clamping groove (188).

7. The hand-held distance measuring device for land engineering surveying according to claim 6, characterized in that: The sliding block (184) is slidably connected with the sliding groove (185), and the cleaning surface of the sponge (183) is attached to the detection mirror surface of the detector body (1).

8. The hand-held distance measuring device for land engineering surveying according to claim 6, characterized in that: The clamping block (187) is clampedly connected with the clamping groove (188).

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