CN216132432U - Be used for bridge platform back of body to backfill compaction quality detector - Google Patents
Be used for bridge platform back of body to backfill compaction quality detector Download PDFInfo
- Publication number
- CN216132432U CN216132432U CN202121334904.XU CN202121334904U CN216132432U CN 216132432 U CN216132432 U CN 216132432U CN 202121334904 U CN202121334904 U CN 202121334904U CN 216132432 U CN216132432 U CN 216132432U
- Authority
- CN
- China
- Prior art keywords
- base
- plate
- settlement
- rod
- compaction quality
- 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
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a backfill compaction quality detector for a bridge abutment, which comprises a settlement observer, wherein the settlement observer comprises a base, a supporting mechanism and a settlement rod, the supporting mechanism comprises two vertical supporting columns, two positioning clamping plates and a transverse limiting plate, the two vertical supporting columns, the two positioning clamping plates and the transverse limiting plate are symmetrically arranged on two sides of the settlement rod, the bottom ends of the supporting columns are detachably arranged on the base, the transverse limiting plate is arranged between the supporting columns on the two sides, the settlement rod respectively penetrates through the transverse limiting plate and the base from top to bottom, one end of each positioning clamping plate is connected with the top end of each supporting column, and the other end of each positioning clamping plate is far away from or closely attached to the outer surface of the settlement rod through the horizontal movement of the positioning clamping plate; the pressure plate extending towards two sides is fixed on the sedimentation rod, two stand columns are symmetrically arranged between the transverse limiting plate and the base, the top ends of the stand columns penetrate through the pressure plate, the stand columns are sleeved with compression springs located below the pressure plate, and pressure sensors are arranged at the bottom ends of the compression springs. The settlement rod does not displace in the moving process, and the accuracy of the detection result is ensured.
Description
Technical Field
The utility model relates to the technical field of platform back backfilling, in particular to a compaction quality detector for bridge platform back backfilling.
Background
The backfill quality detection of project bridges and structure table backs realizes the following purposes:
1, problems are found and solved in time through the detection of the back filling of the platform, and the hidden quality trouble of the back filling of the platform is eliminated.
And 2, objectively and fairly reflecting the quality of the platform back backfill engineering entity and providing a basis for quality control.
At present, the detection of the backfill quality of the platform back is carried out by using a hydraulic tamper to be matched with settlement observation, namely, the platform back which is rolled and impact tamped is detected during inspection, measuring points are arranged, and a plurality of detecting points are usually arranged; measuring initial height h of measuring points by using precision level gauge after arranging measuring points0. Then, stamping for multiple times on the marked measuring points by using an impact tamping machine, erecting leveling rods on the marked measuring points after impact tamping is finished, and measuring the height H1 of the stamped measuring points, wherein the settlement difference H is H1-h0. Judging the backfill quality of the table back according to the settlement difference, wherein the settlement difference before and after impact tamping of the earth-rock mixed filling table back and the rock filling table back is not more than 40 mm; the settlement difference before and after the impact tamping of other water permeable materials is not more than 50 mm.
Therefore, when settlement difference calculation is carried out on the measuring points again, the measuring points need to be measured twice by using a precision level gauge, operation is troublesome, the level gauge which is adjusted in the prior art needs to be moved when impact tamping is carried out, the level gauge is prone to being deviated in the moving process, large errors occur in the front and rear measuring results, and accordingly detection result data are not accurate enough.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in a targeted manner, the utility model provides the detector for the backfill compaction quality of the bridge abutment back, which is convenient to disassemble and install and use, the sedimentation rod cannot be displaced in the moving process, and the accuracy of the detection result is ensured.
The utility model adopts the following technical scheme to solve the technical problem:
the utility model provides a be used for bridge platform back backfill compaction quality detector, includes the settlement observer, the settlement observer includes base, supporting mechanism and subsides the pole, the supporting mechanism includes two vertical support columns, two locating splint and the horizontal limiting plate that symmetrically set up in subsides pole both sides, the bottom of support column is demountable installation on the base, the horizontal limiting plate sets up between the support column of both sides, the pole that subsides passes horizontal limiting plate and base from top to bottom respectively, the one end of locating splint is connected with the top of support column, make its other end keep away from or hug closely with the surface of pole that subsides through the horizontal migration of locating splint; the utility model discloses a subside, including subside pole, horizontal limiting plate and base, the pole is fixed with the clamp plate that extends to both sides on the subside pole the symmetry is provided with two stands between horizontal limiting plate and the base, the top of stand is run through the clamp plate, and the cover is equipped with the compression spring who is located the clamp plate below on the stand compression spring's bottom is provided with pressure sensor.
Further: horizontal notch has been seted up on the top of support column, locating splint's one end is arranged in the horizontal notch, just the slot hole has been seted up on the locating splint the top of support column is provided with the bolt hole that runs through horizontal notch the downthehole fastening bolt that installs of bolt, fastening bolt runs through bolt hole and slot hole will through fastening bolt locating splint fixed connection will on the support column.
Further: the one end that the location splint are close to the pole that subsides is provided with the arc splint, the internal surface radian of arc splint with the radian of subsiding the pole surface is unanimous.
Further: a plurality of rubber bulges are uniformly distributed on the inner surface of the arc-shaped clamping plate.
Further: the detachable inserted bar is installed respectively at the both ends of base, the inserted bar runs through the base and downwardly extending be provided with the scale on the inserted bar.
Further: the bottom of the support column is fixedly connected to the base through a bolt.
Further: and a clamping groove is formed in the inner side of the supporting column, and the end part of the transverse limiting plate is inserted into the clamping groove.
Further: and a graduated scale and a level meter are arranged on the top surface of the settlement rod.
The utility model has the following characteristics and beneficial effects:
when the measuring point is detected in advance, the measuring point is arranged at a target position, the sedimentation rod is adjusted to enable the bottom end of the sedimentation rod to be attached to the surface of the table back, the positioning clamp plates are adjusted to enable the sedimentation rod to be attached to the sedimentation rod, the sedimentation rod is fixed through the positioning clamp plates on the two sides, even if the measuring instrument is moved later, the sedimentation rod cannot be displaced, when the measuring point is detected again, the measuring instrument is placed at the marked target position, the positioning clamp plates are adjusted to enable the measuring instrument to be far away from the sedimentation rod, the sedimentation rod is pressed down under the action of self gravity to drive the pressing plate to press the compression spring, namely, the sedimentation difference value is judged according to data collected by the pressure sensor, and the accuracy of a detection result is improved.
The detector is detachable in whole, simple in structure and convenient to detach and install.
Drawings
Fig. 1 is a schematic structural diagram of the bridge platform back backfill detector.
Fig. 2 is a schematic structural diagram of a positioning clamp plate in the table back backfill detector.
Fig. 3 is a schematic view of a partial structure of a support column in the table back backfill detector of the present invention.
In the figure: the device comprises a base 1, a settlement rod 2, a support column 3, a transverse limit plate 4, a positioning clamp plate 5, an inserted link 6, an upright post 7, a compression spring 8, a pressure sensor 9, an arc clamp plate 10, a rubber bulge 11, a level gauge 12, a pressure plate 201, a transverse notch 301, a fastening bolt 302, a clamping groove 303 and a long hole 501.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1-3, a quality detector for backfill and compaction of a bridge platform back comprises a settlement observer, wherein the settlement observer comprises a base 1, a supporting mechanism and a settlement rod 2, the supporting mechanism comprises two vertical supporting columns 3, two positioning clamping plates 5 and a horizontal limiting plate 4 which are symmetrically arranged at two sides of the settlement rod 2, the bottom ends of the supporting columns 3 are detachably mounted on the base 1, the horizontal limiting plate 4 is arranged between the supporting columns 3 at two sides, the settlement rod 2 respectively penetrates through the horizontal limiting plate 4 and the base 1 from top to bottom, one end of each positioning clamping plate 5 is connected with the top end of the corresponding supporting column 3, and the other end of each positioning clamping plate 5 is far away from or closely attached to the outer surface of the settlement rod 2 through horizontal movement of the corresponding positioning clamping plate 5; subside and be fixed with the clamp plate 201 that extends to both sides on the pole 2 the symmetry is provided with two stands 7 between horizontal limiting plate 4 and the base 1, the top of stand 7 is run through clamp plate 201, and the cover is equipped with the compression spring 8 that is located clamp plate 201 below on the stand 7 the bottom of compression spring 8 is provided with pressure sensor 9.
When the detection instrument is used for carrying out pre-detection on a measuring point, the measuring point is arranged at a target position, the bottom end of the sedimentation rod 2 is adjusted to be attached to the surface of a table back, data of the pressure sensor 9 is recorded at the moment and is used as 'zero' data for processing, the positioning clamp plates 5 are adjusted to be tightly attached to the sedimentation rod 2, the sedimentation rod 2 is fixed through the positioning clamp plates 5 on the two sides, the sedimentation rod 2 cannot be displaced even if the tester is moved later, when the measuring point is detected again, the tester is placed at the marked target position, the positioning clamp plates 5 are adjusted to be far away from the sedimentation rod 2, the sedimentation rod 2 is pressed down under the action of self gravity to drive the pressing plate 201 to press the compression spring 8, namely, the sedimentation difference value is judged according to the data collected by the pressure sensor 9, and the accuracy of the detection result is improved.
Guarantee through horizontal limiting plate 4 and base 1 to subside pole 2 and be in under vertical state in the testing process, avoid subsiding pole 2 and take place the slope skew phenomenon, guarantee the accuracy of testing result.
As shown in fig. 2 and 3, in an embodiment of the present invention:
When the relative position between the positioning clamp plate 5 and the outer surface of the settling rod 2 is adjusted, the fastening bolt 302 is moved relative to the long hole 501 by moving the positioning clamp plate 5, and then the fastening bolt 302 is screwed to fix the position of the positioning clamp plate 5, so that the position of the positioning clamp plate 5 and the position of the settling rod 2 are adjusted.
As shown in fig. 2, in the above embodiment:
the one end that the locating splint 5 is close to subside pole 2 is provided with arc splint 10, the internal surface radian of arc splint 10 with the radian of 2 external surfaces of pole that subside is unanimous.
The position fixing of the positioning clamp plate 5 to the sedimentation rod 2 is improved through the arc-shaped clamp plate 10.
As shown in fig. 2, a plurality of rubber protrusions 11 are uniformly distributed on the inner surface of the arc splint 10.
Improve the frictional force of arc splint 10 and 2 surface contact faces of pole that subside through rubber bulge 11, improve the connection fastening nature between arc splint 10 and the 2 surface of pole that subside.
As shown in fig. 1, in one embodiment of the present invention:
detachable inserted bar 6 is installed respectively at the both ends of base 1, inserted bar 6 runs through base 1 and downwardly extending be provided with the scale on inserted bar 6.
The application environment range of the detector is improved through the arrangement of the inserting rods 6, and the normal work of the detector can be ensured even if the position height of the inserting rods 6 on two sides is adjusted on the back surface of a platform with a slope; and can judge the position height of inserted bar 6 directly perceived through the scale, guarantee that this application detector can not take place the skew in position around removing.
Wherein: the bottom of the support column 3 is fixedly connected to the base 1 through a bolt.
As shown in fig. 1, in one embodiment of the present invention:
a clamping groove 303 is formed in the inner side of the supporting column 3, and the end of the transverse limiting plate 4 is inserted into the clamping groove 303.
As shown in fig. 1, in one embodiment of the present invention:
and a graduated scale and a level 12 are arranged on the top surface of the settlement rod 2. The settlement condition can be judged more visually.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A backfill compaction quality detector for a bridge abutment comprises a settlement observer and is characterized in that, the settlement observer comprises a base (1), a supporting mechanism and a settlement rod (2), the supporting mechanism comprises two vertical supporting columns (3), two positioning clamping plates (5) and a transverse limiting plate (4) which are symmetrically arranged at the two sides of the settlement rod (2), the bottom ends of the supporting columns (3) are detachably arranged on the base (1), the transverse limiting plates (4) are arranged between the supporting columns (3) at two sides, the sedimentation rod (2) respectively penetrates through the transverse limiting plate (4) and the base (1) from top to bottom, one end of the positioning splint (5) is connected with the top end of the supporting column (3), the other end of the positioning clamping plate (5) is far away from or clings to the outer surface of the sedimentation rod (2) through the horizontal movement of the positioning clamping plate; subside and be fixed with clamp plate (201) that extend to both sides on pole (2) the symmetry is provided with two stand (7) between horizontal limiting plate (4) and base (1), the top of stand (7) is run through clamp plate (201), and the cover is equipped with compression spring (8) that are located clamp plate (201) below on stand (7) the bottom of compression spring (8) is provided with pressure sensor (9).
2. The instrument for detecting the backfill compaction quality of the bridge abutment back according to claim 1, wherein: horizontal notch (301) have been seted up on the top of support column (3), the one end of locating plate (5) is arranged in horizontal notch (301), and slotted hole (501) have been seted up on locating plate (5) the top of support column (3) is provided with the bolt hole that runs through horizontal notch (301) install fastening bolt (302) in the bolt hole, fastening bolt (302) run through bolt hole and slotted hole (501), will through fastening bolt (302) locating plate (5) fixed connection is on support column (3).
3. The instrument for detecting the backfill compaction quality of the bridge abutment back according to claim 2, wherein: the one end that location splint (5) are close to and subside pole (2) is provided with arc splint (10), the internal surface radian of arc splint (10) with the radian of subsiding pole (2) surface is unanimous.
4. The instrument for detecting the backfill compaction quality of the bridge abutment back according to claim 3, wherein: a plurality of rubber bulges (11) are uniformly distributed on the inner surface of the arc-shaped splint (10).
5. The instrument for detecting the backfill compaction quality of the bridge abutment back according to claim 1, is characterized in that: detachable inserted bar (6) are installed respectively to the both ends of base (1), inserted bar (6) run through base (1) and downwardly extending be provided with the scale on inserted bar (6).
6. The instrument for detecting the backfill compaction quality of the bridge abutment back according to claim 1, is characterized in that: the bottom end of the supporting column (3) is fixedly connected to the base (1) through a bolt.
7. The instrument for detecting the backfill compaction quality of the bridge abutment back according to claim 1, is characterized in that: a clamping groove (303) is formed in the inner side of the supporting column (3), and the end part of the transverse limiting plate (4) is inserted into the clamping groove (303).
8. The instrument for detecting the backfill compaction quality of the bridge abutment back according to claim 1, is characterized in that: and a graduated scale and a level gauge (12) are arranged on the top surface of the settlement rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121334904.XU CN216132432U (en) | 2021-06-16 | 2021-06-16 | Be used for bridge platform back of body to backfill compaction quality detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121334904.XU CN216132432U (en) | 2021-06-16 | 2021-06-16 | Be used for bridge platform back of body to backfill compaction quality detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216132432U true CN216132432U (en) | 2022-03-25 |
Family
ID=80766277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121334904.XU Active CN216132432U (en) | 2021-06-16 | 2021-06-16 | Be used for bridge platform back of body to backfill compaction quality detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216132432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116697983A (en) * | 2023-08-09 | 2023-09-05 | 陕西建一建设有限公司 | Concrete bridge subsides detection device |
-
2021
- 2021-06-16 CN CN202121334904.XU patent/CN216132432U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116697983A (en) * | 2023-08-09 | 2023-09-05 | 陕西建一建设有限公司 | Concrete bridge subsides detection device |
| CN116697983B (en) * | 2023-08-09 | 2023-10-10 | 陕西建一建设有限公司 | Concrete bridge subsides detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206248661U (en) | A kind of CBR device for surveying geotechnological expansion rate and lateral swelling force with repacking | |
| KR101991890B1 (en) | Height and transform measuring device of elastic support installed on bridge | |
| CN216132432U (en) | Be used for bridge platform back of body to backfill compaction quality detector | |
| CN102506670A (en) | Face cone measuring tool of conical gear and method for measuring angle errors and intersection positions of face cones | |
| CN210376011U (en) | Large-area on-site direct shear test equipment | |
| CN203744972U (en) | Improved type slope scale for engineering supervision | |
| CN212620737U (en) | Foundation pit deformation monitoring device | |
| CN210369075U (en) | Horizontal static load test device of small-size concrete pipe pile | |
| CN218098691U (en) | Bending pressure monitoring device for structure | |
| CN208501656U (en) | A kind of scene loading plate method Rebound Modulus of Subgrade measurement device | |
| CN214423026U (en) | Track transverse distance detection device | |
| CN215339300U (en) | Highway subgrade road surface witnessed inspections is with bearing than measuring device | |
| CN109520848A (en) | A kind of portable type ground strength detection equipment | |
| CN209014395U (en) | A kind of straining membrane structure film surface tension tester | |
| CN209961163U (en) | Lateral deformation measurement system under different confining pressure conditions | |
| CN217896154U (en) | Highway deflection measuring device | |
| CN107132125B (en) | Slope road surface load tester | |
| CN207974164U (en) | A kind of pile foundation level loading test device | |
| CN112880626A (en) | Measuring device for detecting road surface flatness | |
| CN218723854U (en) | Penetration depth measuring device for static sounding ground | |
| CN211773962U (en) | Foundation load test device | |
| SU634204A1 (en) | Device for investigating clay soil swelling | |
| CN219736240U (en) | Novel bicycle angle tester | |
| CN212452829U (en) | Foundation bearing capacity detection equipment | |
| CN218847156U (en) | Wall surface flatness detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |