CN212670526U - Highway subgrade compactness survey device - Google Patents
Highway subgrade compactness survey device Download PDFInfo
- Publication number
- CN212670526U CN212670526U CN202020523911.3U CN202020523911U CN212670526U CN 212670526 U CN212670526 U CN 212670526U CN 202020523911 U CN202020523911 U CN 202020523911U CN 212670526 U CN212670526 U CN 212670526U
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- CN
- China
- Prior art keywords
- ring
- wall
- nut
- limiting
- fixing plate
- 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.)
- Expired - Fee Related
Links
- 238000001125 extrusion Methods 0.000 claims abstract description 24
- 238000005056 compaction Methods 0.000 claims 3
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 125000003003 spiro group Chemical group 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 5
- 206010044565 Tremor Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a highway subgrade compactness survey device, including U type mount, screw thread is seted up to U type mount lateral wall right-hand member, screw thread lateral wall spiro union nut, the spacing ring is laminated respectively to the nut upper and lower surface, the recess is seted up to the spacing ring inner wall, recess inner wall laminating nut lateral wall, spacing ring lateral wall right-hand member fixed mounting U type fixed plate, fixed surface installs the connecting rod on the spacing ring, U type mount lateral wall left end laminating leads the slide pipe, lead slide pipe upper surface and connecting rod upper surface fixed mounting assembly plate respectively, the pilot hole is seted up to the assembly plate upper surface, the fixed slot is seted up to U type mount middle part lower surface, fixed surface installation fixing device under the fixed slot, fixed surface installs the spring under the fixing device, realized adopting the precision of a plurality of extrusion rings to make the test promote, reduce the maintenance replacement cost after single extrusion ring is damaged, and the also more convenient purpose of single extrusion ring.
Description
Technical Field
The utility model relates to a road bed detects technical field, specifically is a highway subgrade compactness survey device.
Background
The roadbed is a foundation of a track or a road surface and is a geotechnical structure formed by excavation or filling, the roadbed mainly has the functions of providing necessary conditions for track or road surface laying and train or traveling operation, bearing static load and dynamic load of the track and rolling stock or road surface and traffic load, and simultaneously transmitting and diffusing the load to the deep part of the foundation, and on the longitudinal section, the roadbed must ensure the required elevation of a line; on the plane, the road bed and bridge, tunnel connection constitutes complete circuit that link up, in civil engineering, the road bed is in construction quantity, all take up an important position in the aspect of area and the investment, the road bed can carry out the compactness test after building, avoid inside to have not hard up and the cavity appears, cause the roadbed structure shakiness, current detection structure is mostly the integral type, the precision of test is lower, not only the installation is loaded down with trivial details, and the big problem of whole cost of maintenance, design a highway subgrade compactness survey device for this, in order to solve the above-mentioned problem that provides.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a highway subgrade compactness survey device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a highway subgrade compactness testing device comprises a U-shaped fixing frame, wherein the right end of the side wall of the U-shaped fixing frame is provided with threads, the side wall of the threads is in threaded connection with nuts, the upper surface and the lower surface of each nut are respectively attached with a limiting ring, the inner wall of each limiting ring is provided with a groove, the inner wall of each groove is attached with the side wall of each nut, the right end of the outer side wall of each limiting ring is fixedly provided with a U-shaped fixing plate, the upper surface of each limiting ring is fixedly provided with a connecting rod, the left end of the side wall of the U-shaped fixing frame is attached with a sliding guide pipe, the upper surface of each sliding guide pipe and the upper surface of each connecting rod are respectively and fixedly provided with an assembling plate, the upper surface of each assembling plate is provided with an assembling hole, the lower surface of the middle part of the, l-shaped limiting rods are fixedly mounted at the left end and the right end of the inner wall of the extrusion ring, and the lower surfaces of the top ends of the L-shaped limiting rods are attached to the inner wall of the sliding guide ring.
Preferably, the fixing device comprises a first fixing plate, the upper surface of the first fixing plate is fixedly connected with the lower surface of the groove, the lower surface of the first fixing plate is fixedly assembled with a second fixing plate through a bolt, and the lower surface of the second fixing plate is fixedly connected with the upper surface of the spring.
Preferably, the lower surface of the second fixing plate is fixedly provided with a limiting pipe, the inner wall of the limiting pipe is attached to a limiting rod, and the lower surface of the limiting rod is fixedly connected with the inner wall of the slip ring.
Preferably, the outer side wall of the nut is provided with a friction groove.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a highway subgrade compactness survey device, fixing device has, lead sliding ring and extrusion ring structure, it is fixed to dock through a plurality of fixing device, make a plurality of extrusion rings use simultaneously side by side, not only can reduce the cost of maintenance of single extrusion ring, it is also more meticulous in the extrusion detection to the roadbed in addition, realized adopting a plurality of extrusion rings to make the precision of test promote, reduce the maintenance replacement cost after single extrusion ring is damaged, and the also more convenient purpose of light single extrusion ring installation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the extrusion ring and its connection structure of the present invention;
FIG. 3 is a schematic view of the assembly plate and the connection structure thereof;
FIG. 4 is a schematic view of the U-shaped fixing frame of the present invention;
fig. 5 is a schematic view of the slide guiding ring and the connecting structure thereof.
In the figure: the device comprises a 1U-shaped fixing frame, 101 threads, 102 fixing grooves, 2 nuts, 201 friction grooves, 3 limiting rings, 301 grooves, 4U-shaped fixing plates, 5 connecting rods, 6 guide sliding pipes, 7 assembling plates, 701 assembling holes, 8 fixing devices, 801 first fixing plates, 802 second fixing plates, 9 springs, 10 guide sliding rings, 11 extrusion rings, 12L-shaped limiting rods, 13 limiting pipes and 14 limiting rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a highway subgrade compactness testing device comprises a U-shaped fixing frame 1, threads 101 are arranged at the right end of the side wall of the U-shaped fixing frame 1, the side wall of the threads 101 is in threaded connection with a nut 2, the upper surface and the lower surface of the nut 2 are respectively attached to a limiting ring 3, the inner wall of the limiting ring 3 is provided with a groove 301, the inner wall of the groove 301 is attached to the side wall of the nut 2, the right end of the outer side wall of the limiting ring 3 is fixedly provided with a U-shaped fixing plate 4, the upper surface of the limiting ring 3 is fixedly provided with a connecting rod 5, the left end of the side wall of the U-shaped fixing frame 1 is attached to a slide guide pipe 6, the upper surface of the slide guide pipe 6 and the upper surface of the connecting rod 5 are respectively and fixedly provided with an assembling plate 7, the upper surface of the assembling plate 7 is provided with an assembling hole 701, the lower surface of, both ends fixed mounting L type gag lever post 12 about extrusion ring 11 inner wall, the laminating of L type gag lever post 12 top lower surface leads sliding ring 10 inner walls, ten fixing device of this device total fixed mounting, can make ten extrusion rings arrange side by side, lateral wall laminating between adjacent each other, monolithic width is greater than the cavity of extrusion ring and not hard up road bed can all be determined out in whole detection area that passes through, this device passes through assembly plate and outside detection vehicle fixed mounting, through the road bed that detects regional the drive of vehicle.
Specifically, the fixing device 8 comprises a first fixing plate 801, the upper surface of the first fixing plate 801 is fixedly connected with the lower surface of the groove 301, the lower surface of the first fixing plate 801 is fixedly assembled with a second fixing plate 802 through bolts, the lower surface of the second fixing plate 802 is fixedly connected with the upper surface of the spring 9, and the fixing assembly (the fixing assembly is fixed by the bolts and the nuts) of the first fixing plate and the second fixing plate is realized, so that the assembly of the device is more convenient, and the installation of a single extrusion ring is easier.
Specifically, the lower surface of the second fixing plate 802 is fixedly provided with the limiting tube 13, the inner wall of the limiting tube 13 is attached to the limiting rod 14, the lower surface of the limiting rod 14 is fixedly connected with the inner wall of the slip ring 10, and the sliding support is arranged through the limiting tube and the limiting rod, so that the bending of the spring is reduced in the movement of the extrusion ring, and the spring can be normally compressed and extended.
Particularly, friction groove 201 is seted up to 2 lateral walls of nut, adds and establishes the friction groove and can make things convenient for operating personnel to rotate the nut, and is more convenient to reciprocating of U type mount.
The working principle is as follows: when the utility model discloses when using, finish the device equipment the back, fix on detecting the vehicle, make the extrusion ring of device can the permanent chang contact roadbed surface (the spring can slightly compress this moment to guarantee to the certain packing force of road bed), when the not hard up region through the road bed or the region of inside substitute cavity, because the extrusion ring loses or reduces the compressive force to the spring, make the extrusion ring move down, can indicate to the observer that this regional structure is loose to use a plurality of extrusion rings can be to the regional common detection of sweeping.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a highway subgrade compactness survey device, includes U type mount (1), its characterized in that: the right end of the side wall of the U-shaped fixing frame (1) is provided with a thread (101), the thread (101) is in threaded connection with a nut (2), the upper surface and the lower surface of the nut (2) are respectively attached to a limiting ring (3), the inner wall of the limiting ring (3) is provided with a groove (301), the inner wall of the groove (301) is attached to the side wall of the nut (2), the right end of the outer side wall of the limiting ring (3) is fixedly provided with a U-shaped fixing plate (4), the upper surface of the limiting ring (3) is fixedly provided with a connecting rod (5), the left end of the side wall of the U-shaped fixing frame (1) is attached to a sliding guide pipe (6), the upper surface of the sliding guide pipe (6) and the upper surface of the connecting rod (5) are respectively and fixedly provided with an assembling plate (7), the upper surface of the assembling plate (7) is provided with an assembling hole, the device is characterized in that a spring (9) is fixedly mounted on the lower surface of a fixing device (8), a sliding ring (10) is fixedly mounted on the lower surface of the spring (9), an extrusion ring (11) is attached to the outer side wall of the sliding ring (10), an L-shaped limiting rod (12) is fixedly mounted on the left end and the right end of the inner wall of the extrusion ring (11), and the inner wall of the sliding ring (10) is attached to the lower surface of the top end of the L-shaped limiting rod (12).
2. The apparatus for measuring the degree of compaction of a roadbed according to claim 1, wherein: the fixing device (8) comprises a first fixing plate (801), the upper surface of the first fixing plate (801) is fixedly connected with the lower surface of the groove (301), the lower surface of the first fixing plate (801) is fixedly assembled with a second fixing plate (802) through a bolt, and the lower surface of the second fixing plate (802) is fixedly connected with the upper surface of the spring (9).
3. The apparatus for measuring the degree of compaction of a roadbed according to claim 2, wherein: the lower surface of the second fixing plate (802) is fixedly provided with a limiting tube (13), the inner wall of the limiting tube (13) is attached to a limiting rod (14), and the lower surface of the limiting rod (14) is fixedly connected with the inner wall of the sliding guide ring (10).
4. The apparatus for measuring the degree of compaction of a roadbed according to claim 1, wherein: the outer side wall of the nut (2) is provided with a friction groove (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020523911.3U CN212670526U (en) | 2020-04-11 | 2020-04-11 | Highway subgrade compactness survey device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020523911.3U CN212670526U (en) | 2020-04-11 | 2020-04-11 | Highway subgrade compactness survey device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212670526U true CN212670526U (en) | 2021-03-09 |
Family
ID=74810501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020523911.3U Expired - Fee Related CN212670526U (en) | 2020-04-11 | 2020-04-11 | Highway subgrade compactness survey device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212670526U (en) |
-
2020
- 2020-04-11 CN CN202020523911.3U patent/CN212670526U/en not_active Expired - Fee Related
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Legal Events
| 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: 20210309 |