CN212843421U - Anchor rod tensioning displacement self-indicating device - Google Patents
Anchor rod tensioning displacement self-indicating device Download PDFInfo
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- CN212843421U CN212843421U CN202022052422.7U CN202022052422U CN212843421U CN 212843421 U CN212843421 U CN 212843421U CN 202022052422 U CN202022052422 U CN 202022052422U CN 212843421 U CN212843421 U CN 212843421U
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- range finder
- laser range
- hollow jack
- laser
- indicating device
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Abstract
The utility model belongs to the technical field of building engineering equipment and specifically relates to a stock stretch-draw displacement is from device, and it is including setting up the laser range finder that just is located the near instrument anchor one end of hollow jack on the hollow jack lateral wall, the laser that laser range finder launches is parallel to each other with the axis of hollow jack, just the laser that laser range finder launches is towards one side of instrument anchor, laser range finder with install in hollow jack through detachable connection structure between the hollow jack, be provided with the holding ring on the circumference lateral wall of instrument anchor, the laser that laser range finder launches falls on the holding ring. The method and the device have the effect of improving the accuracy of the detection result.
Description
Technical Field
The application relates to the field of constructional engineering equipment, in particular to an anchor rod tensioning displacement self-indicating device.
Background
The displacement of the anchor rod is an important index to be measured when the anti-pulling force of the anchor rod is detected, a load-displacement (P-S) curve is drawn by observing the displacement values of the anchor rod under different load grades, and whether the anti-pulling force of the anchor rod meets the requirements of design and related standards is evaluated according to the load-displacement (P-S) curve, so that the accurate measurement of the displacement value of the anchor rod plays an important role in ensuring the accuracy of a detection result.
Among the prior art, on the stock was cup jointed with hollow jack earlier usually to the mounting tool anchor on the stock, hollow jack kept away from the one end of telescopic link and reference beam inconsistent, still be provided with the back force steel sheet between hollow jack and the reference beam, the tool anchor is inconsistent with hollow jack's telescopic link, then starts hollow jack, under certain load, gets through adopting vernier caliper to manual the volume, and the displacement value of the stock under the different loads of record, and then accomplishes the survey and drawing work.
In view of the above-mentioned related technologies, the inventor believes that there is a problem that the operation space is limited, and the measurement cannot be completely aligned when the caliper is used for measurement, so that the measured data has a large deviation, and the accuracy of the detection result is affected.
SUMMERY OF THE UTILITY MODEL
In order to improve the accuracy of testing result, this application provides an anchor rod stretch-draw displacement self-indicating device.
The application provides a stock stretch-draw displacement self-indicating device adopts following technical scheme:
the utility model provides an anchor rod stretch-draw displacement is from indicating device, is including setting up on the hollow jack lateral wall and being located the laser range finder that the hollow jack is close to instrument anchor one end, the laser that laser range finder launched is parallel to each other with the axis of hollow jack, just the laser that laser range finder launched is towards one side of instrument anchor, laser range finder with install in hollow jack through detachable connection structure between the hollow jack, be provided with the holding ring on the circumference lateral wall of instrument anchor, the laser that laser range finder launched falls on the holding ring.
Through adopting above-mentioned technical scheme, during the use, start laser range finder, and record data on the display screen, start hollow jack after that, hollow jack's telescopic link promotes the outside displacement of instrument anchor, instrument anchor top holding ring displacement simultaneously, thereby make distance between laser range finder and the locating plate change thereupon, then according to the experiment demand, note the numerical value that shows on the laser range finder under different loads, it can to obtain the displacement value under this load through latter numerical value subtraction former numerical value, after the measurement is accomplished, take off on the instrument anchor, take off connection structure's connector from hollow jack after that, reverse operation during the installation can, so, can be better through laser range finder cooperation holding ring record required data, effectively improve the accuracy of testing result.
Preferably, connection structure includes the adapter sleeve, laser range finder fixed mounting in the lateral wall of adapter sleeve, the inside wall of adapter sleeve is provided with a plurality of and winds the pinch-off blades that adapter sleeve axis interval set up, the pinch-off blades with be provided with thrust spring between the inside wall of adapter sleeve, the pinch-off blades is kept away from the lateral wall of adapter sleeve with hollow jack's lateral wall offsets tightly.
By adopting the technical scheme, when the connecting structure is disassembled, the whole connecting structure is pulled outwards through the connecting sleeve, the clamping plate and the outer wall of the hollow jack are rubbed until the clamping plate is completely separated from the hollow jack, and the connecting structure is taken down; during the installation, reverse operation can, so, easy to assemble and dismantlement to can accomodate connection structure, reduce the damage that can receive when placing together with hollow jack.
Preferably, the number of the thrust springs between each clamping plate and the connecting sleeve is two, and the two thrust springs are positioned on the same plane perpendicular to the central axis of the connecting sleeve.
Through adopting above-mentioned technical scheme, thrust spring's quantity sets up to two clamp forces that can strengthen the clamp plate, and two thrust springs are located the setting on the coplanar of perpendicular adapter sleeve axis, improve stability.
Preferably, a chamfer is arranged on one side edge of the clamping plate, which is far away from the positioning ring, and the side edge is positioned on one side of the clamping plate, which is far away from the connecting sleeve.
Through adopting above-mentioned technical scheme, when installation connection structure, utilize the chamfer on the grip block for three grip block is fixed a position more easily and is promoted to cup joint on hollow jack's lateral wall.
Preferably, one side of the clamping plate close to the connecting sleeve is provided with a guide rod along the radial direction of the connecting sleeve, the inner side wall of the connecting sleeve is provided with a guide groove matched with the guide rod in a sliding manner, and the end part of the guide rod is always positioned in the guide groove.
Through adopting above-mentioned technical scheme, the setting up of guide bar cooperation guide way has improved the structural stability that connection structure installed on hollow jack to make laser range finder receive when measuring less, thereby guaranteed measured data's accuracy.
Preferably, the number of the laser distance measuring instruments is two, and the two laser distance measuring instruments are symmetrically arranged relative to the connecting sleeve.
Through adopting above-mentioned technical scheme, during the use, start two laser range finders, through comparing the data on two laser range finders, if both data are unanimous then direct registration, if there is discrepancy, then need add two data under the same load and divide by two and obtain mean value between them to regard this mean value as the displacement value under this load, so can reduce the error, make the testing result more accurate.
Preferably, the inside wall of holding ring and the outside wall of instrument anchor are laminated mutually, the screw thread runs through on the outside wall of holding ring and is provided with the hand and twists the bolt, the tip that the hand was twisted the bolt supports tightly in the outside wall of instrument anchor.
Through adopting above-mentioned technical scheme, the holding ring is twisted bolt detachable through the hand and is installed on the instrument anchor, when not using, twists the bolt through twisting the pine hand, can dismantle the holding ring get off, so easy to assemble and accomodate.
Preferably, be provided with the spacing ring on the inside wall of holding ring, the spacing ring is located the holding ring is kept away from laser range finder's one end, just the spacing ring is close to laser range finder's side and the side that hollow jack was kept away from to the instrument anchor are laminated mutually.
Through adopting above-mentioned technical scheme, the setting up of spacing ring makes when cup jointing the holding ring to the instrument anchor, can make spacing ring and instrument anchor looks butt, then carries out fixing work to the holding ring again, so convenient quick location installation holding ring.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the device is used, the laser range finder is started, data on a display screen are recorded, then the hollow jack is started, the telescopic rod of the hollow jack pushes the tool anchor to move outwards, meanwhile, the positioning ring at the top end of the tool anchor moves, so that the distance between the laser range finder and the positioning plate changes, then the numerical value displayed on the laser range finder under different loads is recorded according to experimental requirements, the former numerical value is subtracted from the latter numerical value to obtain the displacement value under the load, after measurement is completed, the tool anchor is taken down, then the connector of the connecting structure is taken down from the hollow jack, and reverse operation is performed during installation, so that the required data can be well measured by matching the laser range finder with the positioning ring, and the accuracy of a detection result is effectively improved;
2. when the connecting structure is disassembled, the whole connecting structure is pulled outwards through the connecting sleeve, the clamping plate and the outer wall of the hollow jack are rubbed until the clamping plate is completely separated from the hollow jack, and the connecting structure is taken down; during installation, reverse operation is performed, so that the installation and the disassembly are convenient, the connecting structure can be accommodated, and the damage to the hollow jack when the hollow jack is placed together is reduced;
3. when the device is used, the two laser distance meters are started, data on the two laser distance meters are compared, if the data on the two laser distance meters are consistent, the two laser distance meters are directly registered, if the two laser distance meters are in and out, the two data under the same load are added and divided by two to obtain the mean value of the two laser distance meters, and the mean value is used as the displacement value under the load, so that errors can be reduced, and the detection result is more accurate.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a self-indicating device for bolt tensioning displacement according to the present application.
Fig. 2 is an exploded structural schematic diagram of a connection structure and a laser distance meter in an embodiment of the self-indicating device for anchor rod tensioning displacement according to the present application.
Description of reference numerals: 1. a hollow jack; 2. a tool anchor; 3. a laser range finder; 31. a display screen; 32. pressing a key; 4. an anchor rod; 5. a connecting structure; 51. connecting sleeves; 511. a guide groove; 52. a clamping plate; 521. a thrust spring; 522. chamfering; 523. a guide bar; 6. a positioning ring; 61. screwing the bolt by hand; 62. a limit ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses stock stretch-draw displacement is from indicating device, refer to fig. 1, 4 stretch-draw displacement from indicating device of stock, including setting up on 1 lateral wall of hollow jack and being located hollow jack 1 and being close to the laser range finder 3 of 2 one ends of instrument anchor, wear to be equipped with stock 4 in 1 and the instrument anchor 2 of hollow jack, instrument anchor 2 and 4 fixed connection of stock. Be provided with display screen 31 and button 32 on the laser range finder 3, the laser that laser range finder 3 launched is parallel to each other with hollow jack 1's axis, and the laser that laser range finder 3 launched towards one side of instrument anchor 2, installs in hollow jack 1 through detachable connection structure 5 between laser range finder 3 and the hollow jack 1.
Referring to fig. 1 and 2, specifically, the connection structure 5 includes a connection sleeve 51, the laser range finders 3 are fixedly mounted on an outer side wall of the connection sleeve 51, in this embodiment, the number of the laser range finders 3 may be two, and the two laser range finders 3 are symmetrically arranged about the connection sleeve 51. The inside wall of adapter sleeve 51 is provided with a plurality of clamp plate 52 around adapter sleeve 51 axis interval setting, and clamp plate 52 is the arc, and the medial surface of clamp plate 52 can be laminated with the outside wall of hollow jack 1 mutually. In the present embodiment, the number of the clamping plates 52 may be three, three clamping plates 52 are evenly spaced around the central axis of the connecting sleeve 51, and each clamping plate 52 is located at the middle position of the connecting sleeve 51. Thrust springs 521 are arranged between each clamping plate 52 and the inner side wall of the connecting sleeve 51, one ends of the thrust springs 521 are fixedly connected with the inner side wall of the connecting sleeve 51, the other ends of the thrust springs 521 are fixedly connected with the clamping plate 52 close to the side wall of the connecting sleeve 51, in this embodiment, the number of the thrust springs 521 between each clamping plate 52 and the connecting sleeve 51 can be two, the two thrust springs 521 are arranged at intervals, the two thrust springs 521 are located on the same plane perpendicular to the central axis of the connecting sleeve 51, and the two thrust springs 521 are connected to the middle position of the clamping plate 52. And the side wall of the clamping plate 52 far away from the connecting sleeve 51 abuts against the outer side wall of the hollow jack 1.
Referring to fig. 2, furthermore, a chamfer 522 is provided on the side of each clamping plate 52 remote from the positioning ring 6 and on the side of the clamping plate 52 remote from the connecting sleeve 51, so that the three clamping plates 52 are easier to position and push fit onto the outer side wall of the hollow jack 1 when the connecting structure 5 is mounted, by means of the chamfer 522 on the clamping plates 52. Meanwhile, a guide rod 523 is arranged on one side of each clamping plate 52 close to the connecting sleeve 51 along the radial direction of the connecting sleeve 51, and the guide rod 523 is positioned between the two thrust springs 521 and is positioned on the same plane with the two thrust springs 521; the inner side wall of the connecting sleeve 51 is provided with a guide groove 511 matched with the guide rod 523 in a sliding mode, the end portion of the guide rod 523 is located in the guide groove 511 all the time, even if the connecting structure 5 is taken down from the hollow jack 1, the end portion of the guide rod 523 is also located in the guide groove 511, and therefore the structural stability of the connecting structure 5 installed on the hollow jack 1 is improved, interference of the laser range finder 3 during measurement is less, and accuracy of measured data is guaranteed.
Referring to fig. 1, a positioning ring 6 is further provided on the circumferential outer side wall of the tool anchor 2, and the laser emitted from the laser range finder 3 falls on the side of the positioning ring 6 close to the connection sleeve 51. Specifically, the inside wall of holding ring 6 is laminated with the outside wall of tool anchor 2 mutually, and the screw thread runs through on the outside wall of holding ring 6 and is provided with hand-screwed bolt 61, and the tip of hand-screwed bolt 61 supports the outside wall in tool anchor 2 tightly to locking holding ring 6. Simultaneously, be provided with spacing ring 62 on the inside wall of holding ring 6, spacing ring 62 is located the one end that laser range finder 3 was kept away from to holding ring 6, and the side that hollow jack 1 was kept away from with instrument anchor 2 to the side that spacing ring 62 was close to laser range finder 3 laminates mutually, and the side that laser range finder 3 was kept away from to spacing ring 62 keeps the parallel and level with the side that hollow jack 1 was kept away from to holding ring 6.
The implementation principle of the anchor rod tensioning displacement self-indicating device in the embodiment of the application is as follows: when in use, the two laser range finders 3 are started, the data on the display screen 31 is recorded, then the hollow jack 1 is started, the telescopic rod of the hollow jack 1 pushes the tool anchor 2 to move outwards, meanwhile, the positioning ring 6 at the top end of the tool anchor 2 displaces, so that the distance between the laser range finder 3 and the positioning plate changes along with the displacement, then according to the experiment requirement, the numerical values displayed on the laser range finder 3 under different loads are recorded, the displacement value under the load is obtained by subtracting the former numerical value from the latter numerical value, meanwhile, the data on the two laser range finders 3 can be compared, if the data on the two laser range finders are consistent, the data are directly registered, if the data are in and out, two data under the same load need to be added and divided by two to obtain an average value of the two data, and the average value is taken as a displacement value under the load, so that errors can be reduced, and the detection result is more accurate; after the measurement is accomplished, unscrew the hand and twist bolt 61, then take off holding ring 6 from instrument anchor 2, can follow the connector of connection structure 5 earlier and outwards dial out from hollow jack 1 after that, so, conveniently dismantle and accomodate, reverse operation during the installation can.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an anchor rod stretch-draw displacement is from showing device which characterized in that: including setting up on hollow jack (1) lateral wall and being located laser range finder (3) that hollow jack (1) is close to instrument anchor (2) one end, the laser that laser range finder (3) launched is parallel to each other with the axis of hollow jack (1), just the laser that laser range finder (3) launched is towards one side of instrument anchor (2), laser range finder (3) with install in hollow jack (1) through detachable connection structure (5) between hollow jack (1), be provided with holding ring (6) on the circumference lateral wall of instrument anchor (2), the laser that laser range finder (3) launched falls on holding ring (6).
2. A self-indicating device for tension displacement of an anchor rod according to claim 1, wherein: connection structure (5) include adapter sleeve (51), laser range finder (3) fixed mounting in the lateral wall of adapter sleeve (51), the inside wall of adapter sleeve (51) is provided with a plurality of and winds clamp plate (52) that adapter sleeve (51) axis interval set up, clamp plate (52) with be provided with thrust spring (521) between the inside wall of adapter sleeve (51), keep away from clamp plate (52) the lateral wall of adapter sleeve (51) with the lateral wall of hollow jack (1) offsets tightly.
3. A self-indicating device for bolt tensioning displacement according to claim 2, wherein: the number of the thrust springs (521) between each clamping plate (52) and the connecting sleeve (51) is two, and the two thrust springs (521) are positioned on the same plane perpendicular to the central axis of the connecting sleeve (51).
4. A self-indicating device for bolt tensioning displacement according to claim 2, wherein: a chamfer (522) is arranged on one side edge of the clamping plate (52) far away from the positioning ring (6), and the side edge is positioned on one side of the clamping plate (52) far away from the connecting sleeve (51).
5. A self-indicating device for bolt tensioning displacement according to claim 2, wherein: the clamp plate (52) is close to one side of adapter sleeve (51) is followed the radial direction of adapter sleeve (51) is provided with guide bar (523), be provided with on the inside wall of adapter sleeve (51) with guide bar (523) complex guide way (511) that slides, just the tip of guide bar (523) is located all the time in guide way (511).
6. A self-indicating device for bolt tensioning displacement according to claim 2, wherein: the number of the laser distance measuring instruments (3) is two, and the two laser distance measuring instruments (3) are symmetrically arranged relative to the connecting sleeve (51).
7. A self-indicating device for tension displacement of an anchor rod according to claim 1, wherein: the inside wall of holding ring (6) and the outside wall laminating of instrument anchor (2), the screw thread runs through on the outside wall of holding ring (6) and is provided with hand and twists bolt (61), the tip of hand twisting bolt (61) supports tightly in the outside wall of instrument anchor (2).
8. A self-indicating device for tension displacement of an anchor rod according to claim 1, wherein: be provided with spacing ring (62) on the inside wall of holding ring (6), spacing ring (62) are located holding ring (6) are kept away from the one end of laser range finder (3), just spacing ring (62) are close to the side of laser range finder (3) is laminated mutually with the side that hollow jack (1) was kept away from in instrument anchor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022052422.7U CN212843421U (en) | 2020-09-17 | 2020-09-17 | Anchor rod tensioning displacement self-indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022052422.7U CN212843421U (en) | 2020-09-17 | 2020-09-17 | Anchor rod tensioning displacement self-indicating device |
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| CN212843421U true CN212843421U (en) | 2021-03-30 |
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| CN202022052422.7U Active CN212843421U (en) | 2020-09-17 | 2020-09-17 | Anchor rod tensioning displacement self-indicating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740164A (en) * | 2021-07-29 | 2021-12-03 | 北京铁研建设监理有限责任公司 | Anchor rod drawing equipment |
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2020
- 2020-09-17 CN CN202022052422.7U patent/CN212843421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740164A (en) * | 2021-07-29 | 2021-12-03 | 北京铁研建设监理有限责任公司 | Anchor rod drawing equipment |
| CN113740164B (en) * | 2021-07-29 | 2024-05-10 | 北京铁研建设监理有限责任公司 | Anchor rod drawing equipment |
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