CN211718522U

CN211718522U - Laser range finder for engineering measurement

Info

Publication number: CN211718522U
Application number: CN201922422067.5U
Authority: CN
Inventors: 崔逊马; 梅根; 马永
Original assignee: Wuxi Huaye Surveying And Mapping Service Co ltd
Current assignee: Wuxi Huaye Surveying And Mapping Service Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-10-20
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to a laser range finder for engineering measurement, which comprises a bottom plate, wherein two support columns are arranged on the bottom plate, a transverse support plate is fixedly connected between the two support columns, the transverse support plate is fixedly connected with a rotating shaft, a gear ring seat is fixedly sleeved on the rotating shaft in a penetrating way, two positioning plates are fixedly connected to the gear ring seat, a laser range finder is arranged at one side of each positioning plate which is opposite to the other, the positioning plate is provided with a light outlet corresponding to a laser outlet of the laser range finder, a driving gear is engaged below the toothed ring seat, a driving shaft is arranged at the central axis of the driving gear in a penetrating way, a positioning column is vertically and fixedly connected on the bottom plate, the driving shaft is rotatably connected between the two positioning columns, positioning bolts penetrate through the positioning columns and are abutted against the driving gear. The utility model discloses the effect that improves measurement accuracy has.

Description

Laser range finder for engineering measurement

Technical Field

The utility model belongs to the technical field of the engineering survey's technique and specifically relates to a laser range finder for engineering survey is related to.

Background

A laser rangefinder is an instrument that uses a parameter of modulated laser light to achieve a distance measurement to a target. The distance measuring method is divided into a phase method distance measuring instrument and a pulse method distance measuring instrument, the pulse type laser distance measuring instrument emits a pulse laser beam or a sequence of short pulse laser beams to a target when in work, a photoelectric element receives the laser beam reflected by the target, a timer measures the time from the emitting to the receiving of the laser beam, and the distance from an observer to the target is calculated. The phase-method laser range finder detects a distance by detecting a phase difference occurring when emitted light and reflected light propagate in a space. During engineering surveying and mapping, some measuring places are difficult to reach, or potential safety hazards exist in the measuring places, and the laser range finder can well solve similar problems, so that the laser range finder is widely used in engineering technology.

When using, the existing laser range finders are all the laser range finders held by workers to measure, but the hand-held laser range finders are easy to cause measurement deviation due to unstable hands when measuring, and when measuring by changing angles, the laser range finders are difficult to accurately hold the rotating angles and result in inaccurate measuring results.

SUMMERY OF THE UTILITY MODEL

The laser range finder for engineering survey has the effect of improving the measurement accuracy.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a laser range finder for engineering measurement comprises a bottom plate, wherein two support columns are arranged on the bottom plate, a transverse support plate is fixedly connected between the two support columns, a rotating shaft is fixedly connected onto the transverse support plate, a positioning support is vertically welded onto the bottom plate, one end, far away from the bottom plate, of the positioning support is rotatably connected with the rotating shaft, a gear ring seat is fixedly sleeved on the rotating shaft in a penetrating manner, two positioning plates are fixedly connected onto the gear ring seat, a laser range finder is arranged on one opposite side of the two positioning plates, a light outlet corresponding to a laser outlet of the laser range finder is formed in each positioning plate, a driving gear is meshed below the gear ring seat, a driving shaft penetrates through the central axis of the driving gear, positioning columns are vertically and fixedly connected onto the bottom plate, the driving shaft is rotatably connected between the two positioning columns, and positioning bolts penetrate through the positioning columns, the positioning bolt penetrates through the positioning column to be abutted against the driving gear.

Through adopting above-mentioned technical scheme, the staff places the bottom plate subaerial, places laser range finder between two locating plates, and according to the position of required test, the staff adjusts the driving gear, rotates laser range finder to suitable angle, makes laser range finder's light-emitting window correspond the position of required test, then adjusts positioning bolt and contradicts at the lateral wall of driving gear, realizes fixed to laser range finder's angle, later reads measuring result. The utility model discloses a setting of bottom plate has the effect that improves measurement accuracy.

The present invention may be further configured in a preferred embodiment as: the support column comprises a fixed column hinged to the bottom plate, a thread section is twisted on the fixed column, an adjusting sleeve is sleeved on one end, far away from the bottom plate, of the fixed column in a threaded mode, an expansion hole is formed in one end, close to the fixed column, of the adjusting sleeve, the fixed column is sleeved in the expansion hole in a penetrating mode, one end, far away from the fixed column, of the adjusting sleeve is hinged to the transverse support plate, one end, far away from the fixed column, of the adjusting sleeve is rotatably connected with an ear plate seat, and the ear.

Through adopting above-mentioned technical scheme, when the place of test was leveled inadequately, laser range finder's light-emitting direction was not vertical direction under the initial condition this moment, and the staff rotated the adjusting collar this moment, adjusted the height of both sides support column for laser range finder's light-emitting direction is adjusted vertical direction, and later the staff carries out angle modulation according to the position of required test again, has improved staff angle regulation's accuracy, thereby improves measuring precision.

The present invention may be further configured in a preferred embodiment as: and the horizontal support plate is fixedly connected with a level gauge.

Through adopting above-mentioned technical scheme, the staff adjusts the height of the support column of both sides, observes the spirit level simultaneously, further ensures that horizontal extension board is located the horizontality.

The present invention may be further configured in a preferred embodiment as: an observation plate is fixedly connected above the transverse support plate, and scale marks are arranged on the outer edge of the observation plate.

Through adopting above-mentioned technical scheme, the staff rotates the handle, drives the gear and rotates to required angle, observes the scale mark on the observation board simultaneously to adjust required angle with laser range finder accurately.

The present invention may be further configured in a preferred embodiment as: fixedly connected with positioning seat on the locating plate, it has the grip block to articulate between the positioning seat, one side fixedly connected with pressure spring that the grip block deviates from each other, the one end fixed connection of pressure spring is in the one side that two grip blocks deviate from mutually, and other end fixed connection is on the locating plate, two the centre gripping has laser range finder between the grip block.

Through adopting above-mentioned technical scheme, the centre gripping of laser range finder is between two grip blocks, and when laser range finder received the damage, the staff need with its dismantlement in the middle of two grip blocks, improved the convenience that the staff changed maintenance laser range finder.

The present invention may be further configured in a preferred embodiment as: the clamping plate is an arc-shaped plate with an opening facing one side of the laser range finder.

Through adopting above-mentioned technical scheme, the curved setting has increased laser range finder's with grip block area of contact, has improved the stability that the grip block centre gripping laser range finder.

The present invention may be further configured in a preferred embodiment as: the inside wall fixedly connected with rubber pad of grip block.

Through adopting above-mentioned technical scheme, the rubber pad has increased the frictional force between grip block and the laser range finder, has further improved the positional stability of laser range finder on the locating plate.

The present invention may be further configured in a preferred embodiment as: the rubber pad is provided with anti-skid lines.

Through adopting above-mentioned technical scheme, the frictional force between laser range finder and the grip block has been increased to the antiskid line to the possibility that laser range finder breaks away from between the grip block has been reduced.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the utility model can adjust the rotation of the light outlet of the laser range finder to a proper angle according to the required test position by arranging the gear ring seat and the driving gear, thereby having the effect of improving the measurement precision;

2. the utility model discloses a set up the grip block, improved the convenience that the staff installed and dismantled the laser range finder;

3. the utility model discloses a set up the scale mark, improve staff angle regulation's accuracy to improve laser range finder's measurement accuracy.

Drawings

Fig. 1 is a schematic view of an overall structure for embodying the present invention;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;

fig. 3 is a schematic cross-sectional view for embodying the support column.

In the figure, 1, a bottom plate; 101. positioning the bracket; 2. a support pillar; 201. fixing a column; 3. a transverse support plate; 4. an observation plate; 5. scale lines; 6. a rotating shaft; 7. a gear ring seat; 8. positioning a plate; 9. positioning seats; 10. a clamping plate; 11. a pressure spring; 12. a laser range finder; 13. a light outlet; 14. a driving gear; 15. a drive shaft; 16. a positioning column; 17. positioning the bolt; 18. an adjusting sleeve; 19. a telescopic hole; 20. an ear plate seat; 21. a level gauge; 22. and (7) a rubber pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1, for the utility model discloses a laser range finder for engineering survey, including bottom plate 1, be equipped with two support columns 2 on the bottom plate 1.

Referring to fig. 1 and 2, a transverse support plate 3 is welded between two support columns 2. An observation plate 4 is welded above the transverse support plate 3, and scale marks 5 are arranged on the outer edge of the observation plate 4. A rotating shaft 6 is welded at the length center of the transverse support plate 3, and a toothed ring seat 7 is fixedly sleeved on the rotating shaft 6 in a penetrating mode. Two locating plates 8 are welded on the inner side wall of the gear ring seat 7, two ends of the two locating plates 8 are respectively welded on the inner side wall of the gear ring seat 7, a locating support 101 is perpendicularly welded on the bottom plate 1, and one end, far away from the bottom plate 1, of the locating support 101 is rotatably connected with the rotating shaft 6.

Referring to fig. 1 and 2, in order to improve the convenience of installing and disassembling the laser range finder 12 by workers, the positioning seat 9 is welded on the positioning plate 8, a clamping plate 10 is hinged between the two positioning seats 9, and the clamping plate 10 is an arc-shaped plate with an opening facing one side of the laser range finder 12. One side welding that grip block 10 deviates from each other has pressure spring 11, and the one end welding of pressure spring 11 is in the one side that two grip blocks 10 deviate from each other, and the other end welding is on locating plate 8. A laser range finder 12 is clamped between the two clamping plates 10, the laser range finder 12 is arranged on one side opposite to the two positioning plates 8, and a light outlet 13 corresponding to a laser outlet of the laser range finder 12 is formed in each positioning plate 8.

Referring to fig. 1 and 2, a driving gear 14 is engaged below the gear ring seat 7, a driving shaft 15 penetrates through a central axis of the driving gear 14, a positioning column 16 is vertically welded on the bottom plate 1, the driving shaft 15 is rotatably connected between the two positioning columns 16 through a bearing, a positioning bolt 17 penetrates through the positioning column 16, and the positioning bolt 17 penetrates through the positioning column 16 to abut against the driving gear 14.

Referring to fig. 1 and 2, the worker mounts the laser rangefinder 12 on the positioning plate 8 and fixes the position of the laser rangefinder 12 using the clamping plate 10. According to the position of required test, adjust driving gear 14 and rotate, driving gear 14 drives ring gear seat 7 and rotates, and laser range finder 12 rotates along with ring gear seat 7, observes scale mark 5 simultaneously, rotates laser range finder 12 to corresponding angle, later adjusts positioning bolt 17 and contradicts in one side of driving gear 14 to the realization is fixed to the angle of laser range finder 12 after adjusting.

Referring to fig. 1 and 3, when the test site has an uneven condition, the light emitting direction of the laser range finder 12 is not vertical, which may cause an error when the worker adjusts the angle. The supporting column 2 thus comprises a fixing post 201 hinged to the base plate 1, and a threaded section is twisted above the fixing post 201. An adjusting sleeve 18 is sleeved at one end, far away from the bottom plate 1, of the fixing column 201 in a threaded mode, an expansion hole 19 is formed in one end, close to the fixing column 201, of the adjusting sleeve 18, the fixing column 201 is sleeved in the expansion hole 19 in a penetrating mode, one end, far away from the fixing column 201, of the adjusting sleeve 18 is rotatably connected with an ear plate seat 20 through a bearing, and the ear plate seat 20 is hinged to the transverse support plate 3. The horizontal support plate 3 is fixedly connected with a level gauge 21 (the level gauge 21 is integrally formed on the horizontal support plate 3). When the test site is not flat enough, the staff rotates the adjusting sleeve 18, adjusts the height of the two supporting columns 2, and simultaneously observes the level gauge 21, so that the transverse supporting plate 3 is in a horizontal state. At this moment, the light emitting direction of the laser range finder 12 is along the vertical direction, and then the staff carries out angle adjustment again, so that the accuracy of the measuring result is improved.

Referring to fig. 1 and 2, in order to reduce the phenomenon that the laser range finder 12 is separated from between the two clamping plates 10 when the position of the laser range finder 12 is shifted. Therefore, the rubber pad 22 is glued on the inner side wall of the clamping plate 10, and the rubber pad is provided with the anti-slip lines, so that the clamping plate 10 and the laser range finder 12 are more closely attached due to the deformability of the rubber pad, and the friction force between the rubber pad and the laser range finder 12 is increased due to the anti-slip lines, so that the possibility that the laser range finder 12 is separated from the two clamping plates 10 is reduced.

The implementation principle of the embodiment is as follows: the staff places bottom plate 1 in the place that needs the test, observes laser range finder 12 light-emitting port 13 and whether directional central point of scale mark 5 puts, if not directional central point puts, and the staff rotates adjusting collar 18 and rotates around fixed column 201, observes the state of spirit level 21 simultaneously, and the height of adjusting two support columns 2 makes horizontal extension board 3 be in horizontal position. Then, according to the position to be tested, the worker adjusts the driving gear 14 to drive the gear ring seat 7 to rotate, meanwhile, the scale mark 5 is observed, the laser tester is driven to a proper angle, then the measurement is carried out, and the effect of improving the measurement precision is achieved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A laser range finder for engineering survey, includes bottom plate (1), its characterized in that: the bottom plate (1) is provided with two supporting columns (2), a transverse supporting plate (3) is fixedly connected between the two supporting columns (2), a rotating shaft (6) is fixedly connected onto the transverse supporting plate (3), a positioning bracket (101) is vertically welded onto the bottom plate (1), one end, far away from the bottom plate (1), of the positioning bracket (101) is rotatably connected with the rotating shaft (6), a toothed ring seat (7) is fixedly sleeved on the rotating shaft (6), two positioning plates (8) are fixedly connected onto the toothed ring seat (7), one opposite sides of the two positioning plates (8) are provided with laser range finders (12), the positioning plates (8) are provided with light outlets (13) corresponding to laser outlets of the laser range finders (12), a driving gear (14) is meshed below the toothed ring seat (7), and a driving shaft (15) is penetrated through the central axis of the driving gear (14), perpendicular fixedly connected with reference column (16) on bottom plate (1), driving shaft (15) rotate to be connected between two reference columns (16), wear to be equipped with positioning bolt (17) on reference column (16), positioning bolt (17) pass reference column (16) and contradict with driving gear (14).

2. The laser range finder for engineering measurement according to claim 1, characterized in that: the supporting column (2) comprises a fixing column (201) hinged to the bottom plate (1), a thread section is twisted on the fixing column (201), an adjusting sleeve (18) penetrates through a thread at one end, far away from the bottom plate (1), of the fixing column (201), a telescopic hole (19) is formed in one end, close to the fixing column (201), of the adjusting sleeve (18), the fixing column (201) penetrates through the telescopic hole (19), and one end, far away from the fixing column (201), of the adjusting sleeve (18) is hinged to the transverse support plate (3).

3. The laser rangefinder for engineering measurements according to claim 2, characterized in that: the horizontal support plate (3) is fixedly connected with a level gauge (21).

4. The laser range finder for engineering measurement according to claim 3, characterized in that: an observation plate (4) is fixedly connected above the transverse support plate (3), and scale marks (5) are arranged on the outer edge of the observation plate (4).

5. The laser range finder for engineering measurement according to claim 1, characterized in that: fixedly connected with positioning seat (9) on locating plate (8), articulated between positioning seat (9) have grip block (10), one side fixedly connected with pressure spring (11) that grip block (10) deviate from each other, the one end fixed connection of pressure spring (11) is in the one side that two grip blocks (10) deviate from mutually, and other end fixed connection is on locating plate (8), two the centre gripping has laser range finder (12) between grip block (10).

6. The laser range finder for engineering measurement according to claim 5, characterized in that: the clamping plate (10) is an arc-shaped plate with an opening facing one side of the laser range finder (12).

7. The laser range finder for engineering measurement according to claim 5, characterized in that: the inner side wall of the clamping plate (10) is fixedly connected with a rubber pad (22).

8. The laser range finder for engineering measurement according to claim 7, wherein: the rubber pad (22) is provided with anti-skid grains.