CN215339300U - Highway subgrade road surface witnessed inspections is with bearing than measuring device - Google Patents
Highway subgrade road surface witnessed inspections is with bearing than measuring device Download PDFInfo
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- CN215339300U CN215339300U CN202121375241.6U CN202121375241U CN215339300U CN 215339300 U CN215339300 U CN 215339300U CN 202121375241 U CN202121375241 U CN 202121375241U CN 215339300 U CN215339300 U CN 215339300U
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- highway subgrade
- bearing
- road surface
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- 238000007689 inspection Methods 0.000 title claims description 7
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000035515 penetration Effects 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 7
- 238000011065 in-situ storage Methods 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 22
- 235000017491 Bambusa tulda Nutrition 0.000 description 22
- 241001330002 Bambuseae Species 0.000 description 22
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 22
- 239000011425 bamboo Substances 0.000 description 22
- 238000009434 installation Methods 0.000 description 13
- 239000002689 soil Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model provides a bearing ratio measuring device for on-site detection of a highway subgrade and a road surface, which comprises: a stiffening beam; the load device is arranged at the bottom of the stiffening cross beam; the rigid platform is arranged at the lower end of the load device, jacks are formed in two sides of the rigid platform, an inserting cylinder is inserted into the jacks, and a limiting ring is fixedly connected to the top of the inserting cylinder; the injection pole, the injection pole interlude sets up on the rigidity platform, the surface clamp of injection pole is equipped with the pipe clamp, the both sides of pipe clamp all are through connecting block fixedly connected with percentage table. The bearing ratio measuring device for the highway subgrade and pavement on-site detection provided by the utility model has the advantages that the matching of the inserting cylinder, the movable rod and the spring plays a role in guiding the moving direction of the dial indicator, and the accuracy of the numerical value detected by the dial indicator is ensured, so that the device has higher accuracy and stability.
Description
Technical Field
The utility model relates to the technical field of detection devices, in particular to a bearing ratio measuring device for field detection of highway subgrade and pavement.
Background
The highway subgrade is an important component of highway engineering, and has enough stability and durability, and can bear the repeated loading effect of driving and resist the influence of various natural factors.
At present, highway subgrade road surface witnessed inspections on the market are with bearing than measuring device in the use, and the injection pole can take place the displacement downwards when detecting, can pressurize the top of injection pole, when the piston rod of jack does not be coaxial with the injection pole, can lead to the uneven top atress of injection pole and lead to its slope, can cause the testing result inaccurate like this, consequently, it solves above-mentioned technical problem to need to provide a highway subgrade road surface witnessed inspections with bearing than measuring device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bearing ratio measuring device for on-site detection of a highway subgrade and a road surface, which solves the problems that a penetration rod can be displaced downwards during detection, the top of the penetration rod can be pressurized, and the top of the penetration rod can be inclined due to uneven stress when a piston rod of a jack is not coaxial with the penetration rod, so that the detection result is inaccurate.
In order to solve the above technical problems, the present invention provides a device for measuring a bearing ratio for on-site detection of a road bed and a road surface, comprising: a stiffening beam;
the load device is arranged at the bottom of the stiffening cross beam;
the rigid platform is arranged at the lower end of the load device, jacks are formed in two sides of the rigid platform, an inserting cylinder is inserted into the jacks, and a limiting ring is fixedly connected to the top of the inserting cylinder;
the utility model discloses a spring, including injection pole, connecting block fixedly connected with percentage table, back of percentage table is provided with the movable rod, the fixed surface of movable rod is connected with solid fixed ring, the top of spring and bottom respectively with solid fixed ring's bottom and spacing ring's top fixed connection.
Preferably, the loading device is including ball seat, jack and dynamometer, the bottom of ball seat is provided with the jack, the bottom of jack is provided with the dynamometer, the bottom of dynamometer contacts with the top of penetrating the pole.
Preferably, the bottom end of the penetration rod is provided with a bearing plate.
Preferably, the equal fixedly connected with guide bar in both sides on rigidity platform surface, the bottom of dynamometer is provided with an installation section of thick bamboo, the inside of an installation section of thick bamboo is inserted and is equipped with the injection pole, the jack has all been seted up to the both sides at injection pole top, the mounting groove has been seted up to the other both sides at injection pole top, the inner wall of mounting groove is rotated through the pivot and is connected with the gyro wheel.
Preferably, the two sides of the inner wall of the installation cylinder are provided with fixing grooves, and the inner walls of the fixing grooves are in contact with the surfaces of the rollers.
Preferably, the spacing section of thick bamboo of both sides fixedly connected with of installation section of thick bamboo outer wall, the inside of a spacing section of thick bamboo is provided with the auxiliary rod, the one end of auxiliary rod runs through and extends to the outside of a spacing section of thick bamboo and has seted up the guide way, the guide way uses with the guide rod cooperation, the one end fixedly connected with limiting plate of auxiliary rod, the surface cover of auxiliary rod is equipped with reset spring, reset spring's both ends respectively with one side fixed connection of the inner wall of a spacing section of thick bamboo and limiting plate, one side fixedly connected with inserted block of limiting plate, the one end of inserted block runs through and extends to the inside of jack.
Compared with the related art, the bearing ratio measuring device for the on-site detection of the highway subgrade and pavement provided by the utility model has the following beneficial effects:
the utility model provides a bearing ratio measuring device for on-site detection of a highway subgrade and a road surface, which has the advantages that the matching of an inserting cylinder, a movable rod and a spring plays a role in guiding the moving direction of a dial indicator, and the accuracy of the numerical value detected by the dial indicator is ensured, so that the device has higher accuracy and stability.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a load-carrying ratio measuring device for on-site detection of a roadbed and a road surface of a highway provided by the utility model;
FIG. 2 is an enlarged view of portion A shown in FIG. 1;
fig. 3 is a schematic structural diagram of a second embodiment of the load-carrying ratio measuring device for on-site detection of a roadbed and a road surface of a highway provided by the utility model;
FIG. 4 is a cross-sectional view of the mounting barrel of FIG. 3;
fig. 5 is a perspective view of the penetrating rod shown in fig. 3.
Reference numbers in the figures: 1. stiffening beam, 2, loading device, 201, ball seat, 202, jack, 203, dynamometer, 3, injection pole, 4, handle, 5, pipe clamp, 6, percentage table, 7, rigid platform, 8, loading board, 9, movable rod, 10, solid fixed ring, 11, spring, 12, jack, 13, insert a section of thick bamboo, 14, spacing ring, 15, installation section of thick bamboo, 16, spacing section of thick bamboo, 17, auxiliary rod, 18, reset spring, 19, limiting plate, 20, inserted block, 21, guide way, 22, fixed slot, 23, jack, 24, mounting groove, 25, gyro wheel, 26, guide bar.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
First embodiment
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a first embodiment of a load-carrying ratio measuring device for on-site detection of a roadbed and a road surface of a highway provided by the present invention; fig. 2 is an enlarged view of a portion a shown in fig. 1. Highway subgrade road surface witnessed inspections include with bearing than measuring device: a stiffening beam 1;
the stiffening cross beam 1 is arranged on a crossbeam of the lorry, the rear axle weight of the lorry is not less than sixty kilo-gram force, and the stiffening cross beam 1 is used as a reaction frame.
The load device 2 is arranged at the bottom of the stiffening beam 1;
the rigid platform 7 is arranged at the lower end of the load device 2, jacks 12 are formed in two sides of the rigid platform 7, an insertion cylinder 13 is inserted into the jacks 12, and a limiting ring 14 is fixedly connected to the top of the insertion cylinder 13;
the inserting barrel 13 is inserted into the inserting hole 12, the inserting barrel 13 is directly inserted into the inserting hole 12 or the inserting barrel 13 is put away during installation and disassembly, and the device is convenient to disassemble and assemble and convenient to use.
The pole 4 penetrates, the pole 4 that penetrates alternates and sets up on rigid platform 7, the surface clamp of pole 4 that penetrates is equipped with pipe clamp 5, connecting block fixedly connected with percentage table 6 is all passed through to the both sides of pipe clamp 5, the back of percentage table 6 is provided with movable rod 9, the solid fixed ring 10 of fixed surface connection of movable rod 9, the surface cover of movable rod 9 is equipped with spring 11, spring 11's top and bottom respectively with solid fixed ring 10's bottom and spacing ring 14's top fixed connection.
The loading device 2 comprises a ball seat 201, a jack 202 and a dynamometer 203, the jack 202 is arranged at the bottom of the ball seat 201, the dynamometer 203 is arranged at the bottom of the jack 202, and the bottom of the dynamometer 203 is in contact with the top of the penetration rod 4.
The measuring range of the dynamometer 203 is not less than the soil base strength, and the measuring accuracy is not less than one percent of the measuring range of the dynamometer 203.
The bottom end of the penetration rod 4 is provided with a bearing plate 8.
The working principle of the bearing ratio measuring device for the on-site detection of the highway subgrade and pavement provided by the utility model is as follows:
before use, the surface of a certain range of a place to be tested is leveled, the surface floating soil is brushed by a brush, if the surface is coarse-grained soil, a little clean fine sand is spread to fill the soil but the soil cannot cover the whole soil foundation surface to avoid forming an interlayer, the jack 202 is started to adjust the position of the jack on the stiffening beam 1 to be proper in height, and the bottom end of the penetration rod 4 is in close contact with the soil foundation surface.
Before the test, firstly, after a certain force load is applied to the penetration rod 4 at the bottom of the jack 202 through the handle 3, the dynamometer 203 and the dial indicator 6 are zeroed, initial reading is recorded, then the jack 202 is started, so that the penetration rod 4 is slowly pressed into a soil foundation, the readings of the dynamometer 203 and the dial indicator 6 when the penetration rod 4 is pressed into the soil foundation for different distances are recorded respectively, and the test is finished until a certain numerical value is penetrated.
When penetrating into the soil matrix of impressing of pole 4, drive percentage table 6 downstream on the pipe clamp 5 simultaneously for movable rod 9 moves down, under spring 11's effect, spring 11's deformation scope is great, can adapt to different displacement changes, under the mating reaction of inserting a section of thick bamboo 13 and movable rod 9, play the guide effect to the direction that percentage table 6 descends, guarantee the accuracy of the numerical value that percentage table 6 detected, thereby make the device have higher accuracy and stability.
Compared with the related art, the bearing ratio measuring device for the on-site detection of the highway subgrade and pavement provided by the utility model has the following beneficial effects:
the utility model provides a bearing ratio measuring device for on-site detection of a highway subgrade and a road surface, which has the advantages that the matching of an inserting cylinder 13, a movable rod 9 and a spring 11 plays a role in guiding the moving direction of a dial indicator 6, and the accuracy of a numerical value detected by the dial indicator 6 is ensured, so that the device has higher accuracy and stability.
Second embodiment
Referring to fig. 3 to 5, based on the bearing ratio measuring device for on-site testing of the roadbed and road surface of the highway provided by the first embodiment of the present application, the second embodiment of the present application provides another bearing ratio measuring device for on-site testing of the roadbed and road surface of the highway. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference of the bearing ratio measuring device for on-site detection of the roadbed and road surface of the highway provided by the second embodiment of the present application is that: the equal fixedly connected with guide bar 26 in both sides on rigid platform 7 surface, dynamometer 203's bottom is provided with an installation section of thick bamboo 15, the inside of an installation section of thick bamboo 15 is inserted and is equipped with injection pole 4, jack 23 has all been seted up to the both sides at injection pole 4 top, mounting groove 24 has been seted up to the other both sides at injection pole 4 top, the inner wall of mounting groove 24 rotates through the pivot and is connected with gyro wheel 25.
The utility model discloses an installation section of thick bamboo 15, including installation section of thick bamboo 15, the both sides fixedly connected with is spacing section of thick bamboo 16, the inside of spacing section of thick bamboo 16 is provided with auxiliary rod 17, auxiliary rod 17's one end is run through and is extended to spacing section of thick bamboo 16's outside and has seted up guide way 21, guide way 21 uses with the cooperation of guide bar 26, auxiliary rod 17's one end fixedly connected with limiting plate 19, auxiliary rod 17's surface cover is equipped with reset spring 18, reset spring 18's both ends respectively with spacing section of thick bamboo 16's inner wall and limiting plate 19's one side fixed connection, one side fixedly connected with inserted block 20 of limiting plate 19, the one end of inserted block 20 runs through and extends to the inside of jack 23.
During the use, at first insert injection pole 4 to installation section of thick bamboo 15, and make gyro wheel 25 slide in fixed slot 22, play the guide effect, make injection pole 4 push up inserted block 20 open, make inserted block 20 insert in jack 23 under reset spring 18's effect, make injection pole 4 fix in installation section of thick bamboo 15, then make guide bar 26 and guide way 21 align the back, adjust jack 202 through handle 3, make guide bar 26 insert in guide way 21, play the guide effect to injection pole 4, prevent to topple over jack 202 when the pressurization, the emergence of the accident of deduction, avoid influencing the accuracy of test data.
After the test is completed, the jack 202 is made to raise the mounting tube 15, the guide bar 26 is driven to be separated from the guide groove 21, and then the auxiliary rod 17 is pulled to separate the insert block 20 from the insertion hole 23, and the restriction of the penetration rod 4 is released, so that the penetration rod 4 can be detached.
Can make injection pole 4 easy to assemble and dismantle through an installation section of thick bamboo 15, conveniently maintain injection pole 4, the person's of facilitating the use operation.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a highway subgrade road surface witnessed inspections is with bearing than measuring device which characterized in that includes: a stiffening beam;
the load device is arranged at the bottom of the stiffening cross beam;
the rigid platform is arranged at the lower end of the loading device, jacks are formed in two sides of the rigid platform, an inserting cylinder is inserted into the jacks, a limiting ring is fixedly connected to the top of the inserting cylinder, and guide rods are fixedly connected to two sides of the surface of the rigid platform;
the utility model discloses a spring, including injection pole, connecting block fixedly connected with percentage table, back of percentage table is provided with the movable rod, the fixed surface of movable rod is connected with solid fixed ring, the top of spring and bottom respectively with solid fixed ring's bottom and spacing ring's top fixed connection.
2. The apparatus for measuring the bearing ratio of a roadbed and road surface of a highway according to claim 1, wherein the loading device comprises a ball seat, a jack and a dynamometer, the jack is arranged at the bottom of the ball seat, the dynamometer is arranged at the bottom of the jack, and the bottom of the dynamometer is in contact with the top of the penetration rod.
3. The apparatus for measuring a load bearing ratio of a road bed and a road surface for on-site inspection according to claim 1, wherein a bearing plate is provided at a bottom end of the penetration rod.
4. The device for measuring the bearing ratio of the highway subgrade and pavement in-situ test according to claim 2, wherein a mounting cylinder is arranged at the bottom of the dynamometer, a penetration rod is inserted into the mounting cylinder, jacks are arranged on two sides of the top of the penetration rod, mounting grooves are arranged on the other two sides of the top of the penetration rod, and rollers are rotatably connected to the inner walls of the mounting grooves through rotating shafts.
5. The device for measuring the bearing ratio of the highway subgrade and pavement on-site test according to claim 4, wherein fixing grooves are formed in both sides of the inner wall of the mounting cylinder, and the inner walls of the fixing grooves are in contact with the surfaces of the rollers.
6. The device for measuring the bearing ratio of the highway subgrade and pavement on-site detection according to claim 4, characterized in that two sides of the outer wall of the mounting cylinder are fixedly connected with limiting cylinders, auxiliary rods are arranged inside the limiting cylinders, one ends of the auxiliary rods penetrate through the limiting cylinders and extend to the outside of the limiting cylinders and are provided with guide grooves, the guide grooves are matched with the guide rods for use, one ends of the auxiliary rods are fixedly connected with limiting plates, reset springs are sleeved on the surfaces of the auxiliary rods, two ends of the reset springs are respectively fixedly connected with the inner walls of the limiting cylinders and one sides of the limiting plates, one sides of the limiting plates are fixedly connected with inserting blocks, and one ends of the inserting blocks penetrate through the inserting holes and extend to the inside of the inserting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121375241.6U CN215339300U (en) | 2021-06-21 | 2021-06-21 | Highway subgrade road surface witnessed inspections is with bearing than measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121375241.6U CN215339300U (en) | 2021-06-21 | 2021-06-21 | Highway subgrade road surface witnessed inspections is with bearing than measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215339300U true CN215339300U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121375241.6U Expired - Fee Related CN215339300U (en) | 2021-06-21 | 2021-06-21 | Highway subgrade road surface witnessed inspections is with bearing than measuring device |
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| CN (1) | CN215339300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116335105A (en) * | 2023-05-11 | 2023-06-27 | 烟台市交通运输服务中心(烟台市城市轨道交通建设服务中心、烟台市铁路建设服务中心) | Highway subgrade fixed-point compression pressure measuring device |
-
2021
- 2021-06-21 CN CN202121375241.6U patent/CN215339300U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116335105A (en) * | 2023-05-11 | 2023-06-27 | 烟台市交通运输服务中心(烟台市城市轨道交通建设服务中心、烟台市铁路建设服务中心) | Highway subgrade fixed-point compression pressure measuring device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |