CN215867121U

CN215867121U - Bridge height detection laser measuring instrument

Info

Publication number: CN215867121U
Application number: CN202121733912.1U
Authority: CN
Inventors: 王成
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-02-18
Anticipated expiration: 2031-07-28

Abstract

The utility model belongs to the technical field of laser measuring instruments, in particular to a laser measuring instrument for detecting the height of a bridge, which comprises a laser measuring instrument body, wherein a base is arranged at the bottom end of the laser measuring instrument body, a support is rotatably connected at the bottom end of the base, a rack rod is arranged on one side of the support, a sleeve is slidably connected with the outer wall of the rack rod, a connecting lug is fixed at the middle part of the front end of the sleeve, a shell is rotatably connected with the connecting lug, a disc is rotatably connected at the front end of the shell, a constant-speed spiral line strip is fixed at the inner end of the disc, an eccentric block is rotatably connected inside the rear end of the shell, an adjusting knob is arranged at the joint of the base and the support, a threaded hole is arranged inside the upper part of the rack rod, the rack rod is connected with the support through a knob bolt, and a handle is fixed at one side of the front end of the disc, so that the problems that the height and the angle required by different measuring objects are different, and the measuring difficulty is high are solved, the laser measuring instrument is inconvenient to use.

Description

Bridge height detection laser measuring instrument

Technical Field

The utility model belongs to the technical field of laser measuring instruments, and particularly relates to a laser measuring instrument for bridge height detection.

Background

The laser distance measuring instrument is an instrument for measuring the distance to a target by using a certain parameter of modulated laser. The measuring range of the laser range finder is 3.5-5000 meters. 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 distance measuring instrument detects the distance by using the phase difference generated when the detection emission light and the reflected light are transmitted in the space, in the prior art, the height and the angle are inconvenient to adjust in the use of the existing laser distance measuring instrument, the height and the angle required by different measuring objects are different, the measurement difficulty is large due to the overhigh height, and the convenient use of the laser distance measuring instrument is inconvenient; in order to solve the problems exposed in the use of the current laser measuring instruments, structural improvement and optimization of the laser measuring instruments are necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a laser measuring instrument for bridge height detection, which has the characteristics of flexibly adjusting the height, the front-back inclination angle and the left-right inclination angle of the laser measuring instrument.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a bridge height detects laser measuring instrument, includes the laser detector body, the base is installed to the bottom of laser detector body, the bottom of base is rotated and is connected with the support, one side of support is provided with the rack bar, the outer wall sliding connection of rack bar has the sleeve, telescopic front end middle part is fixed with the engaging lug, the engaging lug rotates and is connected with the casing, the front end of casing rotates and is connected with the disc, the inner of disc is fixed with constant velocity spiral line strip, the inside rotation in rear end of casing is connected with the eccentric block, telescopic bottom is connected with the axostylus axostyle, the outer wall connection of axostylus axostyle has the tripod.

As the preferable technical scheme of the laser measuring instrument for bridge height detection, an adjusting knob is arranged at the joint of the base and the support.

According to the preferable technical scheme of the laser measuring instrument for bridge height detection, a threaded hole is formed in the upper inner portion of the rack rod, and the rack rod is connected with the support through a knob bolt.

As a preferable technical scheme of the laser measuring instrument for bridge height detection, the front end of the sleeve is provided with a slotted hole.

As the preferable technical scheme of the laser measuring instrument for bridge height detection, a handle is fixed on one side of the front end of the disc.

As the preferable technical scheme of the laser measuring instrument for bridge height detection, a handle is fixed on the outer wall of the eccentric block.

According to the preferable technical scheme of the laser measuring instrument for bridge height detection, the disc is of an inclined structure, and the upper end of the constant-speed screw line is meshed and connected with the rack rod.

Compared with the prior art, the utility model has the beneficial effects that: drive laser detector through installation constant speed spiral shell line under the cooperation of rack and go up and down, be of value to highly adjusting laser detector, through installation adjust knob, be of value to the angle of inclination about adjusting laser detector, through the installation knob bolt, be of value to the angle of inclination around adjusting laser detector, it is different to the required height of measuring object of difference and angle to have solved, highly too high leads to measuring the degree of difficulty big, the problem of the convenient use of inconvenient laser measuring instrument.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a bridge height detection laser measuring instrument according to the present invention;

FIG. 2 is a schematic plane structure diagram of the laser measuring instrument for bridge height detection according to the present invention;

FIG. 3 is a schematic view of the height adjustment device of the present invention;

FIG. 4 is a schematic cross-sectional view of the height adjusting device of the present invention;

in the figure: 1. a laser detector body; 2. a base; 3. a support; 4. adjusting a knob; 5. a rack bar; 6. a knob bolt; 7. a sleeve; 8. connecting lugs; 9. a housing; 10. a disc; 11. a constant velocity spiral; 12. a handle; 13. an eccentric block; 14. a grip; 15. a shaft lever; 16. a tripod; 17. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a laser measuring instrument for detecting the height of a bridge comprises a laser detecting instrument body 1, wherein a base 2 is installed at the bottom end of the laser detecting instrument body 1, a support 3 is rotatably connected to the bottom end of the base 2, a rack bar 5 is arranged on one side of the support 3, a sleeve 7 is slidably connected to the outer wall of the rack bar 5, a connecting lug 8 is fixed to the middle of the front end of the sleeve 7, the connecting lug 8 is rotatably connected with a shell 9, a disc 10 is rotatably connected to the front end of the shell 9, a constant-speed spiral line 11 is fixed to the inner end of the disc 10, an eccentric block 13 is rotatably connected to the inner portion of the rear end of the shell 9, a shaft lever 15 is connected to the bottom end of the sleeve 7, a tripod 16 is connected to the outer wall of the shaft lever 15, in the embodiment, the constant-speed spiral line 11 is driven to rotate by the rotating disc 10, the constant-speed spiral line 11 drives the rack bar 5 to rise upwards, and the convex portion of the eccentric block 13 is separated from the outer wall of the sleeve 7 by rotating the eccentric block 13, the housing 9 is rotated in a vertical state, so that the knob 12 is separated from the rack bar 5 by the disc 10, and the rack bar 5 is slid downward.

Specifically, adjusting knob 4 is installed to the junction of base 2 and support 3, through rotating elasticity adjusting knob 4 in this embodiment, control base 2 about the slope to adjust the left and right inclination of laser detector body 1.

Specifically, threaded hole 17 is seted up to the inside top of rack bar 5, and rack bar 5 and support 3 are connected through knob bolt 6, through rotating elasticity knob bolt 6 in this embodiment, control support 3's front and back slope to adjust the front and back inclination of laser detector body 1.

Specifically, the front end of the sleeve 7 is provided with a slotted hole, so that the constant-speed thread 11 mounted at the outer end of the housing 9 and the rack bar 5 inside the sleeve 7 can contact with each other in the embodiment.

Specifically, a handle 12 is fixed to one side of the front end of the disc 10, and the disc 10 is driven to rotate by controlling the handle 12 in this embodiment.

Specifically, a handle 14 is fixed on the outer wall of the eccentric block 13, and the handle 14 is pulled up and down in this embodiment, so as to control the rotation of the eccentric block 13.

Specifically, disc 10 is the slope structure, and the upper end and the rack 5 meshing of constant velocity spiral line 11 are connected, and through rotating eccentric block 13 in this embodiment, make the convex position of eccentric block 13 extrusion sleeve 7's outer wall, drive casing 9 and rotate, and casing 9 passes through disc 10 and drives the upper end and the rack 5 meshing of constant velocity spiral line 11 and be connected.

The working principle and the using process of the utility model are as follows: firstly, the rotation of an eccentric block 13 is controlled by pulling a handle 14, so that the convex part of the eccentric block 13 extrudes the outer wall of a sleeve 7, a shell 9 is driven to rotate, the shell 9 drives the upper end of a constant-speed spiral strip 11 to be meshed with a rack bar 5 through a disc 10, then the disc 10 is driven to rotate through a control handle 12, the disc 10 drives the constant-speed spiral strip 11 to rotate, the constant-speed spiral strip 11 drives the rack bar 5 to rise upwards, the convex part of the eccentric block 13 is separated from the outer wall of the sleeve 7 by rotating the eccentric block 13, the shell 9 is rotated to be in a vertical state, and the handle 12 is separated from the rack bar 5 through the disc 10, so that the rack bar 5 slides downwards, and the height of a laser detector body 1 is adjusted; the left and right inclination of the base 2 is controlled by rotating the tightness adjusting knob 4, so that the left and right inclination angles of the laser detector body 1 are adjusted; by rotating the tightening knob bolt 6, the front and back inclination of the bracket 3 is controlled, so that the front and back inclination angle of the laser detector body 1 is adjusted.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bridge height detects laser measuring instrument, includes laser detector body (1), its characterized in that: base (2) are installed to the bottom of laser detector body (1), the bottom of base (2) is rotated and is connected with support (3), one side of support (3) is provided with rack bar (5), the outer wall sliding connection of rack bar (5) has sleeve (7), the front end middle part of sleeve (7) is fixed with engaging lug (8), engaging lug (8) rotate and are connected with casing (9), the front end of casing (9) rotates and is connected with disc (10), the inner of disc (10) is fixed with constant velocity spiral shell line (11), the rear end internal rotation of casing (9) is connected with eccentric block (13), the bottom of sleeve (7) is connected with axostylus axostyle (15), the outer wall connection of axostylus axostyle (15) has tripod (16).

2. The laser measuring instrument for bridge height detection according to claim 1, wherein: and an adjusting knob (4) is installed at the joint of the base (2) and the support (3).

3. The laser measuring instrument for bridge height detection according to claim 1, wherein: threaded holes (17) are formed in the upper portion of the rack rod (5), and the rack rod (5) is connected with the support (3) through knob bolts (6).

4. The laser measuring instrument for bridge height detection according to claim 1, wherein: the front end of the sleeve (7) is provided with a slotted hole.

5. The laser measuring instrument for bridge height detection according to claim 1, wherein: a handle (12) is fixed on one side of the front end of the disc (10).

6. The laser measuring instrument for bridge height detection according to claim 1, wherein: a handle (14) is fixed on the outer wall of the eccentric block (13).

7. The laser measuring instrument for bridge height detection according to claim 1, wherein: the disc (10) is of an inclined structure, and the upper end of the constant-speed thread strip (11) is meshed and connected with the rack rod (5).