CN217504654U - Crack meter capable of measuring displacement change of surface of structure - Google Patents
Crack meter capable of measuring displacement change of surface of structure Download PDFInfo
- Publication number
- CN217504654U CN217504654U CN202122345994.9U CN202122345994U CN217504654U CN 217504654 U CN217504654 U CN 217504654U CN 202122345994 U CN202122345994 U CN 202122345994U CN 217504654 U CN217504654 U CN 217504654U
- Authority
- CN
- China
- Prior art keywords
- measuring
- rod
- crack
- crack meter
- meter capable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a can measure crack meter of structure surface displacement change relates to crack meter technical field, the utility model discloses a measuring stick is located the damper assembly of measuring stick below, sets up the pressure measurement subassembly on the measuring stick. The utility model relates to a crack meter that can measure the surface displacement change of a structure, which moves up and down in a movable tube by arranging a movable block, and the distance between the upper part of a connecting post and a protective tube is reduced, so that the protective tube extrudes a damping spring, the damping spring generates an elastic force opposite to the vibration force and offsets the elastic force with the vibration force, the position between the crack meters is kept stable, and the measuring structure is more accurate; and the surrounding scales are arranged on the measuring rod, when the measuring rod is matched with the measuring box to perform pressure measurement, the width of the crack can be measured through the relative displacement between the measuring box and the measuring rod, and only the scales are arranged, so that the cost is lower.
Description
Technical Field
The utility model relates to a crack meter technical field, in particular to can measure crack meter of structure surface displacement change.
Background
The crack meter is generally called as a crack meter and a crack meter, is used for measuring the expansion joint or crack of a building or a mechanical structure, is embedded in or on the surface of a hydraulic building or other concrete buildings for a long time, and measures the opening degree of the expansion joint or peripheral joint of the structure.
Both ends of crack meter can all be installed on being surveyed the structure, and in case surveyed the structure and take place the displacement change, the crack meter is either stretched, or is extruded, and is light to be gathered together at this moment just like the guqin and slowly to be waited for to wipe again and choose generally, by the strength that the displacement produced, changes the elasticity of string, thereby produces different vibration frequency, and transmit to reading device through the cable on, survey and drawing monitoring personnel alright with according to the data that these transmitted out, calculate the deformation strength of being surveyed the structure through the formula.
The crack meter is buried in a building under the prior art, is easily influenced by vibration generated around, causes position deviation of two sides, causes inaccuracy of measurement, is troublesome in measuring the width of cracks, needs to be provided with a displacement sensor, is too high in cost, and provides the crack meter capable of measuring the surface displacement change of the structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a can measure crack meter of structure surface displacement change can effectively be solved among the background art easily by the vibrations influence that produces on every side, leads to the skew on both sides, causes the measuring inaccurate, measures cracked width ratio trouble moreover, needs to set up displacement sensor, the too high scheduling problem of cost.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a crack meter capable of measuring the surface displacement change of a structure comprises a measuring rod, a damping component and a pressure measuring component, wherein the damping component is positioned below the measuring rod;
a plurality of scales are equidistantly arranged on the outer wall of the measuring rod;
the pressure measuring assembly comprises a measuring box and a cable, the measuring rod penetrates through the measuring box and is movably arranged in the measuring box, the cable is arranged on one side of the measuring box and is electrically connected with the measuring box, the measuring box is mainly connected with a steel string on the measuring rod, and the displacement of the measuring rod can be measured through scales;
the damping assembly comprises a moving part and a damping part, the damping part is arranged on the moving part, the moving part comprises two connecting columns, movable blocks and movable pipes, one movable block is arranged below each of the two connecting columns, each movable block is movably arranged in one movable pipe, and the movable blocks move up and down in the movable pipes due to the vibration force;
the shock attenuation portion includes damping spring and protection tube, every damping spring encircles in a movable outer wall of tubes, every damping spring sets up in a protection tube insidely, makes the protection tube extrusion damping spring through the removal in movable block and the movable tube, reduces the vibrations power.
Preferably, the measuring rod is of a cylindrical structure, and a connecting block is arranged at one end close to the measuring box.
Preferably, the distance between each adjacent scale is in centimeters.
Preferably, be equipped with coupling assembling on the measuring stick, coupling assembling includes connecting bolt and connecting rod, connecting block one side and measuring stick one end respectively are equipped with a connecting bolt, every the connecting bolt activity is provided with a connecting rod, and connecting bolt screw in connecting rod carries out fixed connection.
Preferably, the connecting assembly further comprises connecting balls, each of which is provided at one side of one of the connecting rods.
Preferably, the connecting assembly is provided with a mounting assembly, the mounting assembly comprises mounting blocks, fixing columns and fixing bolts, each mounting block is arranged below one connecting ball, each mounting block is provided with one fixing column below, each fixing column below is provided with one fixing bolt, the two fixing bolts are embedded in the building, and when a crack occurs, the distance between the two fixing bolts is increased.
Preferably, each connecting column and the damping spring are arranged below one fixing bolt, and the damping spring surrounds the connecting column.
The measurement is performed by a measuring device provided inside the measuring box inside.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up the movable block and reciprocate in the activity pipe, through reducing the distance between spliced pole top and the protection tube, make protection tube extrusion damping spring, damping spring generates the elasticity opposite with the shaking force, offsets with the shaking force, makes the position between the crack meter remain stable, makes the measurement structure more accurate.
2. The utility model discloses a set up the scale that encircles on the measuring stick, when the measuring stick cooperation was measured the box and is carried out ressure measurement, also can measure fissured width through the relative displacement between measurement box and the measuring stick, only set up the scale, the cost is lower.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a crack meter capable of measuring the surface displacement variation of a structure according to the present invention;
FIG. 2 is a schematic view of the front view structure of a crack meter capable of measuring the surface displacement variation of a structure according to the present invention;
fig. 3 is a schematic isometric view of a crack meter capable of measuring the surface displacement variation of a structure according to the present invention;
fig. 4 is a cross-sectional view taken along line a-a of fig. 2 according to the present invention;
FIG. 5 is an enlarged view of a portion B of FIG. 4 according to the present invention;
fig. 6 is a schematic structural diagram of a crack meter capable of measuring the surface displacement variation of a structure according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
110. a measuring rod; 120. calibration; 130. connecting blocks; 210. a measurement box; 220. a cable; 310. connecting columns; 320. a movable block; 330. a movable tube; 340. a damping spring; 350. protecting the tube; 410. a connecting bolt; 420. a connecting rod; 430. a connecting ball; 510. mounting blocks; 520. fixing a column; 530. fixing the bolt; 610. a measurer.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, the utility model relates to a crack meter capable of measuring the surface displacement change of a structure, which is characterized in that the crack meter comprises a measuring rod 110, a damping component arranged below the measuring rod 110, and a pressure measuring component arranged on the measuring rod 110;
a plurality of scales 120 are equidistantly arranged on the outer wall of the measuring rod 110;
the pressure measuring component comprises a measuring box 210 and a cable 220, the measuring rod 110 penetrates through and is movably arranged inside the measuring box 210, the cable 220 is arranged on one side of the measuring box 210 and is electrically connected with the measuring box 210, the measuring box 210 is mainly connected with a steel string on the measuring rod 110, and the displacement of the measuring rod 110 can be measured through the scale 120;
the shock absorption assembly comprises a moving part and shock absorption parts, the shock absorption parts are arranged on the moving part, the moving part comprises two connecting columns 310, two movable blocks 320 and two movable tubes 330, one movable block 320 is arranged below the two connecting columns 310, each movable block 320 is movably arranged in one movable tube 330, and the movable blocks 320 move up and down in the movable tubes 330 under the action of vibration force;
the shock absorption part includes shock absorption springs 340 and protection tubes 350, each shock absorption spring 340 surrounds the outer wall of one movable tube 330, each shock absorption spring 340 is arranged inside one protection tube 350, the protection tube 350 extrudes the shock absorption spring 340 through the movement of the movable block 320 and the movable tube 330, and the vibration force is reduced.
Further, the measuring rod 110 has a cylindrical structure, and an end near the measuring box 210 is provided with a connecting block 130.
Further, the distance between each adjacent scale 120 is 1 cm.
Furthermore, a connecting assembly is arranged on the measuring rod 110, the connecting assembly comprises a connecting bolt 410 and a connecting rod 420, one connecting bolt 410 is respectively arranged on one side of the connecting block 130 and one end of the measuring rod 110, each connecting bolt 410 is movably provided with one connecting rod 420, and the connecting bolts 410 are screwed into the connecting rods 420 for fixed connection.
Further, the coupling assembly further includes coupling balls 430, and each of the coupling balls 430 is disposed at one side of one of the coupling rods 420.
Further, be equipped with the installation component on the coupling assembling, the installation component includes installation piece 510, fixed column 520 and fixing bolt 530, every installation piece 510 sets up in a connection ball 430 below, is equipped with a fixed column 520 below every installation piece 510, is equipped with a fixing bolt 530 below every fixed column 520, buries underground in the building through two fixing bolt 530, when having the crack, will increase the distance between two fixing bolt 530.
Further, each connecting column 310 and the damping spring 340 are disposed under one fixing bolt 530, and the damping spring 340 surrounds the connecting column 310.
The measurement is performed by a measurer (610) arranged in the measuring box (210) inside
When a person uses the measuring tool, the fixing bolts 530 and the portions below the fixing bolts are buried in a building, when there is a shock, the movable block 320 moves downward in the movable tube 330, the distance between the upper side of the connecting column 310 and the protective tube 350 is reduced, the protective tube 350 presses the damping spring 340, the damping spring 340 generates an elastic force opposite to the shock force to offset the shock force, when there is a crack, the distance between the fixing bolts 530 is increased to move the measuring rod 110 in the measuring box 210, the measuring box 210 can measure the amount of force pulling the measuring rod 110, and when the measuring rod 110 performs pressure measurement in cooperation with the measuring box 210, the width of the crack can also be measured by the relative displacement between the measuring box 210 and the measuring rod 110.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The crack meter capable of measuring the surface displacement change of the structure is characterized by comprising a measuring rod (110), a damping component positioned below the measuring rod (110), and a pressure measuring component arranged on the measuring rod (110);
a plurality of scales (120) are equidistantly arranged on the outer wall of the measuring rod (110);
the pressure measurement assembly comprises a measurement box (210) and a cable (220), the measurement rod (110) penetrates through and is movably arranged in the measurement box (210), and the cable (220) is arranged on one side of the measurement box (210) and is electrically connected with the measurement box (210);
the shock absorption assembly comprises a moving part and a shock absorption part, the shock absorption part is arranged on the moving part, the moving part comprises two connecting columns (310), two movable blocks (320) and two movable pipes (330), one movable block (320) is arranged below each of the two connecting columns (310), and each movable block (320) is movably arranged in one movable pipe (330);
the shock absorption part comprises shock absorption springs (340) and protection pipes (350), each shock absorption spring (340) surrounds the outer wall of one movable pipe (330), and each shock absorption spring (340) is arranged inside one protection pipe (350).
2. A crack meter capable of measuring the displacement variation of the surface of a structure according to claim 1, wherein: the measuring rod (110) is of a cylindrical structure, and a connecting block (130) is arranged at one end close to the measuring box (210).
3. A crack meter capable of measuring the displacement variation of the surface of a structure according to claim 2, wherein: the distance between each adjacent scale mark (120) is 1 cm.
4. A crack meter capable of measuring the displacement variation of the surface of a structure according to claim 3, wherein: the measuring rod (110) is provided with a connecting assembly, the connecting assembly comprises a connecting bolt (410) and a connecting rod (420), one side of the connecting block (130) and one end of the measuring rod (110) are respectively provided with one connecting bolt (410), and each connecting bolt (410) is movably provided with one connecting rod (420).
5. The crack meter capable of measuring the displacement variation of the surface of the structure as claimed in claim 4, wherein: the connecting assembly further includes connecting balls (430), and each of the connecting balls (430) is disposed at one side of one of the connecting rods (420).
6. The crack meter capable of measuring the displacement variation of the surface of the structure as claimed in claim 5, wherein: the connecting assembly is provided with a mounting assembly, the mounting assembly comprises mounting blocks (510), fixing columns (520) and fixing bolts (530), each mounting block (510) is arranged below one connecting ball (430), each mounting block (510) is provided with one fixing column (520) below, and each fixing column (520) is provided with one fixing bolt (530) below.
7. The crack meter capable of measuring the displacement variation of the surface of the structure as claimed in claim 6, wherein: each connecting column (310) and each damping spring (340) are arranged below one fixing bolt (530), and each damping spring (340) surrounds the connecting column (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122345994.9U CN217504654U (en) | 2021-09-26 | 2021-09-26 | Crack meter capable of measuring displacement change of surface of structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122345994.9U CN217504654U (en) | 2021-09-26 | 2021-09-26 | Crack meter capable of measuring displacement change of surface of structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217504654U true CN217504654U (en) | 2022-09-27 |
Family
ID=83338031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122345994.9U Active CN217504654U (en) | 2021-09-26 | 2021-09-26 | Crack meter capable of measuring displacement change of surface of structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217504654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388784A (en) * | 2022-10-31 | 2022-11-25 | 四川中科川信科技有限公司 | Laser crack detection monitor |
-
2021
- 2021-09-26 CN CN202122345994.9U patent/CN217504654U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388784A (en) * | 2022-10-31 | 2022-11-25 | 四川中科川信科技有限公司 | Laser crack detection monitor |
| CN115388784B (en) * | 2022-10-31 | 2023-01-24 | 四川中科川信科技有限公司 | Laser crack detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202866844U (en) | Resistance increasing deformed anchor rod or anchor cable anchoring quality monitoring device | |
| CN109855522B (en) | Displacement detection system and method for tunnel space deformation | |
| CN217504654U (en) | Crack meter capable of measuring displacement change of surface of structure | |
| CN203432538U (en) | Fiber grating crack sensor | |
| KR20070000032A (en) | Instrument for measuring two dimensional deformation in tunnels | |
| KR20060136002A (en) | Instrument for measuring two dimensional deformation in tunnels | |
| CN102121860A (en) | Corrugated diaphragm type pipe external pressure sensor, oil-water well casing external pressure monitoring device and method | |
| CN106705877A (en) | High-sensitivity fiber Bragg grating strain sensor based on flexible hinges | |
| CN109356009A (en) | A kind of roadbed internal dynamic modulus of resilience real-time monitoring device and its installation method | |
| CN108020167A (en) | A kind of stationary slope level device based on fiber grating | |
| CN101344372A (en) | Miniature built-in cantilever beam type displacement gage used for geomechanics model experiment | |
| CN102839693A (en) | Anchor quality monitoring device for increased resistance deformation anchor bolts/ropes and application method | |
| CN103438859B (en) | Tension wire type bidirectional displacement measurement system | |
| CN101736728A (en) | Elastic beam type side wall frictional resistance dynamometer | |
| CN106644203A (en) | Stress sensitive element based on three-dimensional optical fiber stress sensor | |
| KR101204878B1 (en) | a sensor system for displacement volume and direction | |
| CN210426521U (en) | Sedimentation monitoring device based on fiber bragg grating | |
| CN113432578A (en) | Sustainable steel bar surface strain gauge fixing device and using method thereof | |
| CN207515737U (en) | A kind of fiber bragg grating inclinometer | |
| CN203069312U (en) | Optical-fiber grating wind-pressure sensor | |
| CN209128856U (en) | A kind of roadbed internal dynamic modulus of resilience real-time monitoring device | |
| KR200180019Y1 (en) | Automatic length changing meter using vibrating wire | |
| CN201867187U (en) | Vertical hypsometer | |
| CN106996761B (en) | Two-dimensional relative displacement measuring device and method for structure deformation joint | |
| CN210570502U (en) | Displacement testing arrangement of wide range high accuracy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |