Device for measuring surface size of cultural relic

Abstract

The utility model relates to the technical field of cultural relic size measurement, in particular to cultural relic surface size measurement equipment, which utilizes a second laser range finder to move on a cross arm to realize height size data measurement of the position of a cultural relic, and aims at the left end and the right end of the cultural relic through a first laser range finder and a second laser range finder respectively. Then, a third laser range finder is matched with a vertical plate to measure size data in the left-right direction of the cultural relic, the front-back size of the cultural relic is measured by moving the position of the equipment frame body, meanwhile, the height size of the cultural relic below the cross arm can be measured, and the highest height value serves as the height size of the cultural relic; therefore, length, width and height dimension information of the cultural relics is obtained, and dimension measurement requirements of the cultural relics are met.

Description

Technical Field

[0001] This utility model relates to the field of cultural relic size measurement technology, specifically a device for measuring the surface size of cultural relics. Background Technology

[0002] Measuring the dimensions of cultural relics is an important part of cultural relic research. It helps us to understand the original size information of cultural relics more accurately, thereby aiding in the understanding of their purpose and function. Through precise measurement, we can study the production techniques, materials, and cultural background of cultural relics more deeply, thereby revealing their artistic value, technological achievements, and social significance.

[0003] Currently, when measuring the surface dimensions of cultural relics, manual measurement using measuring tapes or other rulers is commonly employed. However, this method is inefficient and prone to significant human error. While existing methods utilize laser rangefinders for measurement—for example, Chinese utility model patent application number 202120112899.1 provides a non-contact device for measuring the surface dimensions of cultural relics—which measures the length of the relic by horizontally moving the laser rangefinder. However, this method can only measure the dimensions of the relic along the direction of the laser rangefinder's movement and cannot measure its height, thus failing to meet the measurement requirements for cultural relics. Utility Model Content

[0004] The purpose of this invention is to provide a device for measuring the surface dimensions of cultural relics, so as to solve the technical problem of not being able to measure the height of cultural relics.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A device for measuring the surface dimensions of cultural relics includes a frame, a cross arm, a first laser rangefinder, a second laser rangefinder, a third laser rangefinder, and a vertical plate;

[0007] The equipment frame is vertically arranged, with a horizontal arm perpendicularly connected to the frame. A first laser rangefinder and a second laser rangefinder are mounted on the horizontal arm, while a third laser rangefinder and a vertical plate are slidably connected to the horizontal arm. The emitting ends of the first and third laser rangefinders are both vertically downward, while the emitting end of the second laser rangefinder is horizontally arranged and directly opposite the vertical plate. The first and second laser rangefinders are connected, and the third laser rangefinder is connected to the vertical plate.

[0008] To further explain, the bottom of the equipment frame is provided with an equipment base plate, the bottom of the equipment base plate is provided with casters, and the equipment base plate is provided with reinforcing ribs, which are connected between the equipment frame and the equipment base plate.

[0009] Further illustrate, the end corresponding to the cross arm is connected with the equipment rack body through a rotating seat.

[0010] Further illustrate, the rotating seat is provided with a movable slot, a rotating shaft and a threaded rod are arranged in the movable slot, the end corresponding to the cross arm extends to the movable slot, the cross arm is connected with the movable slot through the rotating shaft, the threaded rod is connected with the movable slot in a threaded mode, and the threaded rod is arranged at the bottom of the cross arm.

[0011] Further illustrate, the first measuring block is arranged between the first laser range finder and the second laser range finder, the first measuring block is connected with the cross arm, and the first measuring block is close to the rotating seat.

[0012] Further illustrate, the cross arm is provided with a lead screw, a rotary driving piece is arranged outside the cross arm, the lead screw is arranged along the length direction of the cross arm, a second measuring block is arranged on the lead screw, the vertical plate is arranged at the top of the second measuring block, the third laser range finder is arranged at the bottom of the second measuring block, and the rotary driving piece is connected with the lead screw in a transmission mode.

[0013] Further illustrate, the side wall of the cross arm is provided with a horizontal plate and an industrial camera connected with the horizontal plate, and the industrial camera is arranged in the same direction as the first laser range finder.

[0014] Further illustrate, the equipment rack body is provided with a receiving groove, and the opening of the receiving groove is opposite to the cross arm.

[0015] Compared with the prior art, the device has the advantages that:

[0016] 1. The second laser range finder is used to measure the height size data of the cultural relics at the position of the cross arm, the first laser range finder and the first laser range finder are respectively aligned with the left and right ends of the cultural relics, then the third laser range finder is used to cooperate with the vertical plate to measure the size data of the cultural relics in the left and right directions, the position of the equipment rack body is moved to measure the front and back sizes of the cultural relics, the height size of the cultural relics below the cross arm can also be measured, the highest height value is taken as the height size of the cultural relics, the length, width and height size information of the cultural relics is obtained, and the size measurement requirement of the cultural relics is met.

[0017] 2. The cross arm is connected with the rotating seat in a rotating mode, the receiving groove is arranged on the equipment rack body, the cross arm can be folded and stored when not in use, the space occupation is reduced, and transportation and storage are facilitated.

[0018] 3. The threaded rod is arranged on the rotating seat to support the cross arm, the stability and reliability of the cross arm are improved, the cross arm is prevented from shaking up and down during the measurement process, the accuracy of the measurement result is ensured, and the actual measurement requirement is further met. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a transverse arm front view enlarged structural schematic diagram of the utility model;

[0021] Figure 3 It is a transverse arm top view enlarged structural schematic diagram of the utility model;

[0022] Figure 4 It is a transverse arm top view sectional enlarged structural schematic diagram of the utility model;

[0023] Figure 5 It is a transverse arm folded state structural schematic diagram of the utility model;

[0024] In the drawing: 1, equipment bottom plate; 2, equipment frame body; 3, moving wheel; 4, rotating seat; 401, rotating shaft; 5, transverse arm; 6, horizontal plate; 7, industrial camera; 8, first measuring block; 9, first laser range finder; 10, second laser range finder; 11, second measuring block; 12, vertical plate; 13, third laser range finder; 14, screw rod; 15, rotary driving part; 16, threaded hole; 17, threaded rod; 18, positioning hole; 19, storage groove. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and all other embodiments obtained by those skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0026] Please refer to Figures 1-5 The utility model provides a kind of cultural relic surface size measuring equipment, including equipment frame body 2, transverse arm 5, first laser range finder 9, second laser range finder 10, third laser range finder 13 and vertical plate 12, laser range finder includes transmitting end and receiving end, utilize object reflected laser, to obtain distance data according to the time difference between laser emission and reception.

[0027] First laser range finder 9 and second laser range finder 10 are arranged on transverse arm 5, and first laser range finder 9 and second laser range finder 10 are connected;Third laser range finder 13 and vertical plate 12 are slidably connected with transverse arm 5, and third laser range finder 13 is connected with vertical plate 12, i.e.

[0028] The transmitting end of first laser range finder 9 and the transmitting end of third laser range finder 13 are vertically downward, and the transmitting end of second laser range finder 10 is horizontal, and vertical plate 12 is opposite to the transmitting end of second laser range finder 10.

[0029] In the measurement, the measured cultural relics are placed below the cross arm 5, and then the first laser range finder 9, the second laser range finder 10 and the third laser range finder 13 are opened, and the equipment rack body 2 is moved, so that the cross arm 5 is first arranged along the length direction of the cultural relics, and until the data of the first laser range finder 9 changes, which means that the first laser range finder 9 moves from measuring the ground distance to measuring the distance on the left side of the cultural relics, at this time the first laser range finder 9 is located on the left side of the cultural relics, and the second laser range finder 10 connected with the first laser range finder 9 is located at the same position as the first laser range finder 9.

[0030] Then the third laser range finder 13 is moved until the third laser range finder 13 measures the distance on the right side of the cultural relics, at this time the position of the vertical plate 12 is determined, and the size data of the left and right sides of the cultural relics is obtained according to the cooperation of the second laser range finder 10 and the vertical plate 12.

[0031] Then the third laser range finder 13 is moved, so that the third laser range finder 13 measures the different height data in the length direction of the cultural relics, until the first laser range finder 9 contacts with the third laser range finder 13, and the highest value is selected as the height value in the length direction of the cultural relics.

[0032] Then the position of the equipment rack body 2 is turned, so that the cross arm 5 is arranged along the width direction of the cultural relics, and the width size of the cultural relics is measured by the second laser range finder 10 and the vertical plate 12; at the same time, the highest value in the width direction of the cultural relics is obtained by moving the third laser range finder 13, and the highest value in the length direction and the highest value in the width direction of the cultural relics are compared manually, and the maximum value is selected as the height size of the cultural relics, so that the size measurement of the length, width and height of the cultural relics is completed, which meets the actual measurement requirements.

[0033] Further, the equipment rack body 2 is vertically arranged to support the cross arm 5, and the cross arm 5 is horizontally connected to one side of the equipment rack body 2, and the connection mode can be selected as fixed connection or movable connection, and the two can be welded in fixed connection; in movable connection, the end of the cross arm 5 is rotatably connected to the equipment rack body 2 through the rotating seat 4, which is convenient for folding and storing the cross arm 5 after being turned down.

[0034] Specifically, the rotating seat 4 is provided with a movable slot, which is a U-shaped slot, i.e. the rotating seat 4 is a U-shaped structure, and the bottom port of the movable slot faces downward, and the movable slot is horizontally arranged, the end of the cross arm 5 extends into the movable slot, and a rotating shaft 401 is arranged in the movable slot, and the rotating shaft 401 is rotatably connected with the cross arm 5, and the rotating seat 4 is provided with a threaded hole 16 and a positioning slot 17, and the threaded hole 16 and the positioning slot 17 are coaxially arranged, and the rotating seat 4 is provided with a threaded rod 17, which is threadedly connected with the threaded hole 16 and the positioning slot 17 respectively, so that the threaded rod 17 can be stably connected with the rotating seat 4, and the threaded rod 17 is located at the bottom of the cross arm 5, so that the cross arm 5 is arranged between the threaded rod 17 and the top of the movable slot, and the cross arm 5 is supported by the threaded rod 17.

[0035] When the device is stored, the threaded rod 17 is removed, the horizontal arm 5 is rotated around the rotating shaft 401, and the horizontal arm 5 is close to the device frame 2.

[0036] Preferably, a storage groove 19 is formed on the device frame 2, and the groove opening of the storage groove 19 faces the horizontal arm 5, so that when the horizontal arm 5 is stored, the horizontal arm 5 is flipped downward, and the first laser range finder 9 and the third laser range finder 13 are stored in the storage groove 19, thereby improving the service life of the device.

[0037] In order to improve the support strength of the device frame 2, the device bottom plate 1 is arranged at the bottom of the device frame 2, and the reinforcing rib is connected between the device frame 2 and the device bottom plate 1, so as to improve the overall structural strength.

[0038] In order to facilitate movement, the moving wheel 3 is arranged at the bottom of the device bottom plate 1, which is convenient for moving, saves time and effort, and improves the measurement efficiency.

[0039] Further, the first measuring block 8 is arranged on the horizontal arm 5, the first laser range finder 9 is installed at the bottom of the first measuring block 8, the second laser range finder 10 is installed at the top of the first measuring block 8, and the first measuring block 8 is close to the rotating seat 4.

[0040] The horizontal arm 5 is further provided with a lead screw 14, the lead screw 14 is arranged along the length direction of the horizontal arm 5, a rotary driving part 15 is arranged outside the end of the horizontal arm 5, the output end of the rotary driving part 15 is in transmission connection with the lead screw 14, and the rotary driving part 15 is used to drive the lead screw 14 to rotate forward and backward.

[0041] The outside of the lead screw 14 is sleeved with a second measuring block 11, the first measuring block 11 is in sliding connection with the horizontal arm 5, the lead screw 14 drives the second measuring block 11 to move along the length direction of the horizontal arm 5, the vertical plate 11 is vertically arranged at the top of the second measuring block 11, and the third laser range finder 13 is arranged at the bottom of the second measuring block 11.

[0042] The output end surface of the second laser range finder 10 is vertically arranged, the output end surface of the second laser range finder 10 passes through the center of the output end of the first laser range finder 9, and the extension lines of the two laser emitting ends intersect.

[0043] Similarly, the measuring end surface of the vertical plate 12 faces the emitting end of the second laser range finder 10, and the plane where the measuring end surface of the vertical plate 12 is located passes through the center of the emitting end of the third laser range finder 13.

[0044] Further, in order to collect images on the top of the cultural relics, a horizontal plate 6 is further arranged outside the horizontal arm 5, an industrial camera 7 is arranged at the bottom of the horizontal plate 6, and the lens of the industrial camera 7 faces downward.

[0045] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0046] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.

[0047] It should be noted that the terms "first", "second", and the like, used in the specification and the claims of the application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the application described herein can be implemented in an order other than those illustrated or described herein.

[0048] The above only is the preferred embodiment of the present application, and does not limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An artifact surface dimension measuring device, comprising: The device frame body (2), the cross arm (5), the first laser range finder (9), the second laser range finder (10), the third laser range finder (13) and the vertical plate (12) are included. The device frame body (2) is vertically arranged, the cross arm (5) is connected with the device frame body (2) perpendicularly, the first laser range finder (9) and the second laser range finder (10) are arranged on the cross arm (5), the third laser range finder (13) and the vertical plate (12) are both connected with the cross arm (5) slidingly, the emitting end of the first laser range finder (9) and the emitting end of the third laser range finder (13) are both vertically downward, the emitting end of the second laser range finder (10) is horizontally arranged, the emitting end of the second laser range finder (10) is opposite to the vertical plate (12), the first laser range finder (9) is connected with the second laser range finder (10), and the third laser range finder (13) is connected with the vertical plate (12).

2. An artifact surface dimension measuring device according to claim 1, wherein, The bottom of the device frame body (2) is provided with a device bottom plate (1), the bottom of the device bottom plate (1) is provided with a moving wheel (3), the device bottom plate (1) is provided with a reinforcing rib, and the reinforcing rib is connected between the device frame body (2) and the device bottom plate (1).

3. An artifact surface dimension measuring device according to claim 2, wherein, The corresponding end of the cross arm (5) is rotationally connected with the device frame body (2) through a rotating seat (4).

4. An artifact surface dimension measuring device according to claim 3, wherein, An activity groove is formed in the rotating seat (4), a rotating shaft (401) and a threaded rod (17) are arranged in the activity groove, the corresponding end of the cross arm (5) extends to the activity groove, the cross arm (5) is rotationally connected with the activity groove through the rotating shaft (401), the threaded rod (17) is threadedly connected with the activity groove, and the threaded rod (17) is arranged at the bottom of the cross arm (5).

5. An artifact surface dimension measuring device according to claim 4, wherein, A first measuring block (8) is arranged between the first laser range finder (9) and the second laser range finder (10), the first measuring block (8) is connected with the cross arm (5), and the first measuring block (8) is close to the rotating seat (4).

6. An artifact surface dimension measuring device according to claim 5, wherein, A lead screw (14) is arranged in the cross arm (5), a rotary driving element (15) is arranged outside the cross arm (5), the lead screw (14) is arranged along the length direction of the cross arm (5), a second measuring block (11) is sleeved on the lead screw (14), the vertical plate (12) is arranged at the top of the second measuring block (11), the third laser range finder (13) is arranged at the bottom of the second measuring block (11), and the rotary driving element (15) is in transmission connection with the lead screw (14).

7. An artifact surface dimension measuring device according to claim 6, wherein, A horizontal plate (6) and an industrial camera (7) connected with the horizontal plate (6) are arranged on the side wall of the cross arm (5), and the industrial camera (7) is arranged in the same direction as the first laser range finder (9).

8. An artefact surface dimension measuring apparatus according to claim 7, wherein, A receiving groove (19) is formed in the device frame body (2), and the opening of the receiving groove (19) is opposite to the cross arm (5).

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