CN112066900B

CN112066900B - Distance measuring device

Info

Publication number: CN112066900B
Application number: CN202010972560.9A
Authority: CN
Inventors: 许艳
Original assignee: Jiangxi University of Finance and Economics
Current assignee: Jiangxi University of Finance and Economics
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2022-04-29
Anticipated expiration: 2040-09-16
Also published as: CN112066900A

Abstract

The invention discloses a distance measuring device, comprising: a support; the laser range finder is arranged on the bracket; a moving member mounted on the support and having a degree of freedom to move in a light emitting direction of the laser range finder; and the probe is arranged at one end of the moving piece, which is far away from the laser range finder. The invention has accurate and comprehensive measurement.

Description

Distance measuring device

Technical Field

The present invention relates to a distance measuring device.

Background

The house earthquake-proof detection is a process of evaluating the safety of a house under the earthquake action with specified intensity according to specified earthquake-proof fortification requirements by detecting the current quality situation of the house; the detection of various parameters such as inclination, settlement, cracks, foundation foundations, masonry structure members, wood structure members, concrete structure members, steel structure members and the like is generally field detection; the comprehensive light detection device is lacked in the detection of various parameters such as inclination, masonry structural members, wood structural members, concrete structural members, steel structural members and the like.

Based on the above, most of the previous detection means are manual detection, the detection process is time-consuming and labor-consuming, the cost is high, and the operation is troublesome.

In chinese patent application No.: 201820517934.6 discloses a house shockproof detection device, which comprises a fixed seat, a fastening bolt and a positioning wheel; eight groups of fastening bolts are connected to the right end face of the fixed seat in a threaded manner; a group of traction ropes is wound on the rope winder; the upper part of the left side of the fixed seat is fixedly connected with a group of pulley brackets; a group of fixed pulleys is connected to the middle shaft on the right side of the top end of the pulley support, and the traction rope winds around the fixed pulleys; a group of guide cable brackets is fixedly connected to the front and the rear of the lower part of the left side of the fixed seat; and the bottom of each group of guide cables is fixedly connected with a group of ground anchors. This technical scheme is when utilizing the haulage rope operation, rocks easily, causes the measured data inaccurate. In view of this, the present application is proposed.

Disclosure of Invention

In order to solve at least one technical problem in the background art, the invention provides a distance measuring device which is accurate in measurement and good in effect.

The invention provides a distance measuring device, comprising:

a support;

the laser range finder is arranged on the bracket;

a moving member mounted on the support and having a degree of freedom to move in a light emitting direction of the laser range finder;

and the probe is arranged at one end of the moving piece, which is far away from the laser range finder.

Preferably, the moving member is a screw rod, the screw rod is coaxially arranged with the light emitting direction of the laser range finder, and the screw rod is in threaded connection with the support.

Preferably, one end of the moving piece, which is far away from the laser range finder, is rotatably provided with a rotating piece; wherein the probe is mounted on the rotating member.

Preferably, the device further comprises a sliding rod, wherein the length direction of the sliding rod is perpendicular to the length direction of the moving part; the probe is connected with the sliding rod in a sliding mode, and the probe is installed on the rotating piece through the sliding rod.

Preferably, the device further comprises a marking pen for marking the contact position of the probe and the external wall surface.

Preferably, a first accommodating space is arranged in the probe, and the first accommodating space at least penetrates through one end of the probe, which is far away from the moving part;

the marking pen is at least partially positioned in the first accommodating space.

Preferably, the first receiving space penetrates both ends of the probe;

one end of the marking pen close to the moving part is positioned outside the first accommodating space.

Preferably, the device further comprises a first spring, the first spring is positioned outside the marking pen, one end of the first spring is connected with the marking pen, and the other end of the first spring is connected with the probe.

Preferably, one end of the marking pen close to the moving part is provided with a pressing part.

Preferably, a second accommodating space penetrating through two ends of the probe is arranged in the probe;

the device also includes:

the ejector pin is positioned in the second accommodating space;

the tension sensor is arranged on the thimble;

and one end of the thimble is connected with the thimble, the other end of the thimble is connected with the tension sensor, and under the action of the spring, one end of the thimble far away from the laser range finder protrudes out of one end of the second accommodating space far away from the laser range finder.

The beneficial effects brought by one aspect of the invention are as follows:

in order to measure the flatness of the wall surface, the device can be close to the wall surface. Through letting the moving member remove, let the one end and the wall of probe support and lean on. The distance between the laser distance measuring instrument and the moving part is measured. Through letting the probe support with the different positions of wall and leaning on, can the effectual roughness that detects the wall.

The invention has stable measuring process and comprehensive and accurate data measurement. The wall surface can not be damaged, and the measuring effect is ideal.

Drawings

FIG. 1 is a schematic structural view of one aspect of the present disclosure;

FIG. 2 is a schematic structural view of the probe of the present disclosure abutting against a wall;

FIG. 3 is a schematic structural view of the probe of the present disclosure abutting against another location on a wall surface;

FIG. 4 is an enlarged cross-sectional view of a probe and marker disclosed herein;

FIG. 5 is a schematic structural diagram of embodiment 2 of the present disclosure;

FIG. 6 is an enlarged cross-sectional view of a probe, thimble, etc. according to example 2 of the present disclosure;

fig. 7 is an enlarged cross-sectional view of a probe, a thimble, and the like according to example 2 of the disclosure.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments in the present application may be combined with each other; 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus are not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Embodiment 1, referring to fig. 1 to 4, a distance measuring apparatus according to the present invention includes:

a bracket 1; and the laser range finder 2 is arranged on the bracket 1 and can emit light to the right side.

A moving member 3 mounted on the support 1 and having a degree of freedom to move in a light emitting direction of the laser range finder 2; the moving member 3 is movable in the left-right direction. A measuring block 13 can be arranged at one end of the moving member 3 close to the laser range finder 2, and the surface of one side of the measuring block 13 close to the laser range finder 2 is arranged along the vertical direction and is provided with a smooth surface; perpendicular to the light emitting direction of the laser range finder 2. The distance between it and the measuring block 13 can be measured with the laser rangefinder 2.

And the probe 4 is arranged at one end of the moving member 3 far away from the laser range finder 2. The wall surface Q can be conveniently abutted.

Further, the moving member 3 is a screw rod, the screw rod is coaxially arranged with the light emitting direction of the laser range finder 2, and the screw rod is in threaded connection with the support 1. The screws may be arranged horizontally. Through rotating the screw rod, drive probe 4 and remove in the left and right sides direction, effectively lean on with wall Q and lean on.

A runner may be provided on the support 1, the runner being arranged parallel to the screw. A supporting block Z and an installation block A can be arranged on the bracket 1, so that the supporting block Z is connected with the sliding groove in a sliding manner. The screw rod is connected with the supporting block Z in a threaded manner.

The screw rod S can be arranged and is parallel to the screw rod, the screw rod S is in threaded connection with the mounting block A, and the screw rod S is rotatably connected with the supporting block Z.

During the use, can let rotation lead screw S, drive supporting shoe Z and remove, tentatively adjust the position of probe 4, let it be close to wall Q. Then, the screw rod is rotated, fine adjustment is carried out again, and the probe 4 is abutted to the wall surface Q. So, divide twice regulation, can stabilize transmission probe 4, avoid colliding with wall Q, avoid the damage, guarantee measurement accuracy.

Furthermore, a rotating part 5 is rotatably installed at one end of the moving part 3, which is far away from the laser range finder 2, and the rotating part 5 can flexibly rotate; wherein the probe 4 is mounted on the rotating member 5. Further, the device also comprises a slide rod 6, wherein the length direction of the slide rod 6 is vertical to the length direction of the moving part 3; the probe 4 is connected with the sliding rod 6 in a sliding mode, and the probe 4 is installed on the rotating piece 5 through the sliding rod 6. It is possible to arrange the slide bars 6 in the radial direction of the screw. It is possible to have the slide bar 6 mounted on the rotary member 5 and the probe 4 slidably mounted on the slide bar 6. So, after one side data measurement, the reverse rotation screw rod lets probe 4 and wall Q reserve suitable distance, then lets probe 4 remove on slide bar 6, rotate and change piece etc. rotates the screw rod once more, lets probe 4 and wall Q's different positions support and lean on, so, measure once more. Therefore, data at different positions can be measured, relevant data are compared, and the flatness of the wall surface Q is effectively measured. The data is accurate and comprehensive, and the effect is good.

It can be found that in the process, the screw rod only needs to be rotated to finely adjust the position of the probe 4, and the screw rod does not need to be rotated. The adjustment is convenient and fast, and the detection efficiency is improved. Meanwhile, the measuring process is stable, shaking is avoided, and measuring accuracy is guaranteed.

The embodiment can also be provided with a controller 14 and a display 15, so that the controller 14 is in communication connection with the laser range finder 2 and the display 15, and the measured data is displayed on the display 15 in time.

Further, the device also comprises a marking pen 7 for marking the contact position of the probe 4 and the external wall surface Q. The contact position of the probe 4 with the wall surface Q is marked, and the measurement position is recorded.

Further, a first accommodating space 401 is arranged in the probe 4, and the first accommodating space 401 at least penetrates through one end of the probe 4 far away from the moving part 3; the marking pen 7 is at least partially located in the first accommodation space 401. Further, the first accommodating space 401 penetrates both ends of the probe 4; one end of the marker pen 7 close to the moving member 3 is located outside the first accommodation space 401. Further, the device also comprises a first spring 8, the first spring 8 is positioned outside the marking pen 7, one end of the first spring 8 is connected with the marking pen 7, and the other end of the first spring 8 is connected with the probe 4. Furthermore, one end of the marking pen 7 close to the moving part 3 is provided with a pressing part 9.

During normal measurement, the marking end of the marking pen 7 is located in the first accommodating space 401, and when measurement is needed, the pressing piece 9 is pressed, and the marking end of the marking pen 7 penetrates through the first accommodating space 401 and contacts with the wall surface Q to mark. Then, the hand is released, allowing the marker 7 to rebound to the left. The next operation is convenient.

Through setting up first accommodation space 401, make things convenient for holding marker 7, also avoid marker 7 to influence probe 4 and wall Q contact, it is more convenient to use.

Further, the device also comprises a bottom plate 10 and a lifting mechanism, wherein the lifting mechanism is arranged on the bottom plate 10; the support 1 is mounted on the lifting mechanism. The lifting mechanism can comprise a threaded rod 11 and a vertical rod 12, wherein the threaded rod 11 is vertically arranged, is in threaded connection with the bottom plate 10 and is in rotating connection with the support 1. The vertical rod 12 is vertical, connected with the bottom plate 10 and connected with the bracket 1 in a sliding way. Through rotating threaded rod 11, the height of adjustment support 1, probe 4 makes things convenient for the contact of probe 4 and the different positions of wall Q, guarantees measuring data's comprehensiveness, accuracy.

The probe 4 is brought to a suitable height by the elevating mechanism. The position of the probe 4 is preliminarily adjusted by rotating the lead screw. By rotating the screw, the probe 4 is abutted against the wall surface Q. After a measurement, the probe 4 is separated from the wall surface Q by rotating the screw in the reverse direction. The position of the probe 4 is adjusted by moving the probe 4 on the slide bar 6, rotating the rotary member 5, and the like. Then, the screw is rotated to bring the probe 4 into contact with the wall surface Q again. So, can measure the data of different positions, effectively inspect the roughness of wall Q, data are accurate, comprehensive, effectual.

The distance between the laser distance meter 2 and the measuring block 13 is S1. The probe 4 is spaced from the measuring block 13 by S2. When the probe 4 abuts against different positions of the wall surface Q, S1 changes, and the flatness of the wall surface Q is reflected according to the change.

In the prior art, when measuring, the distance between the laser range finder and the wall surface is mostly measured, and the wall surface is uneven, so that errors exist when receiving laser, and the measurement is inaccurate.

When measuring, need not remove, adjust laser range finder 2, avoid rocking, avoid the error.

In the embodiment, the laser distance measuring instrument 2 is used for measuring the distance between the laser distance measuring instrument and the measuring block 13 to be S1, the measuring block 13 is provided with a smooth surface, no error exists when the laser is received, the measurement is accurate, and the final measuring result is accurate.

Example 2, with reference to fig. 5, 6, 7:

the invention provides a distance measuring device, comprising:

Further, in order to ensure that the probe is effectively abutted against the wall surface. And a second accommodating space penetrating through two ends of the probe is arranged in the probe.

The device also includes:

the thimble 16 is positioned in the second accommodating space 42, and the probe and the thimble 16 can be horizontal; a tension sensor 17 mounted on the thimble 16; can be in signal connection with the controller 14 and the display 15.

One end of the second spring 18 is connected with the thimble 16, and the other end is connected with the tension sensor 17, wherein under the action of the spring, the thimble 16 protrudes from the second accommodating space at the end far away from the laser range finder, and the end of the thimble 16 far away from the laser range finder protrudes from the second accommodating space at the end far away from the laser range finder

Referring to fig. 6, the second spring 18 is not deformed without an external force. The right end of the thimble 16 protrudes out of the second accommodating space 42.

Referring to fig. 7, during measurement, the right end of the thimble 16 abuts against the wall surface first. As the moving member 3 continues to move rightward, the thimble 16 gradually moves leftward against the elastic force of the second spring 18 until the right end thereof is completely disposed in the second accommodating space 42. Then, the probe is kept stable, and the right end of the probe 4 is abutted against the wall surface.

Initially, the tension sensor 17 is not under tension and then gradually increases. When the second spring 18 is not being deformed, the tension remains unchanged. The tension value can be reflected on the display. At this time, it can be determined that the probe is effectively abutted against the wall surface and the contact is good. Furthermore, the accuracy of the measured data and the accuracy of the measured result are ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A distance measuring device, comprising:

a support;

the laser range finder is arranged on the bracket;

the probe is arranged at one end of the moving piece, which is far away from the laser range finder;

the device also comprises a marking pen for marking the contact position of the probe and the external wall surface;

a first accommodating space is arranged in the probe and at least penetrates through one end of the probe, which is far away from the moving part;

2. The distance measuring device according to claim 1, wherein the moving member is a screw rod disposed coaxially with a light emitting direction of the laser range finder, the screw rod being screw-coupled with the holder.

3. The distance measuring device according to claim 1 or 2, wherein a rotating member is rotatably mounted to an end of the moving member away from the laser range finder; wherein the probe is mounted on the rotating member.

4. The distance measuring device according to claim 3, further comprising a slide bar having a length direction perpendicular to a length direction of the moving member; the probe is connected with the sliding rod in a sliding mode, and the probe is installed on the rotating piece through the sliding rod.

5. The distance measuring device according to claim 1, wherein the first accommodating space penetrates both ends of the probe;

6. The distance measuring device of claim 5, further comprising a first spring located outside of said marker pen, said first spring having one end connected to said marker pen and the other end connected to said probe.

7. The distance measuring device of claim 5, wherein a pressing member is provided at an end of the marker pen adjacent to the moving member.

8. The distance measuring device according to claim 1, wherein a second receiving space is provided in the probe through both ends thereof;

the device also includes:

the ejector pin is positioned in the second accommodating space;

the tension sensor is arranged on the thimble;