CN212004805U - High rockfill dam concrete panel geological radar detects auxiliary device - Google Patents
High rockfill dam concrete panel geological radar detects auxiliary device Download PDFInfo
- Publication number
- CN212004805U CN212004805U CN202020678710.0U CN202020678710U CN212004805U CN 212004805 U CN212004805 U CN 212004805U CN 202020678710 U CN202020678710 U CN 202020678710U CN 212004805 U CN212004805 U CN 212004805U
- Authority
- CN
- China
- Prior art keywords
- plate
- fixed
- movable
- platform
- rod
- 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
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model discloses a high rockfill dam concrete panel geological radar detects auxiliary device, including moving platform, platform guardrail and antenna clamp, the antenna clamp sets up in one side of moving platform through high adjusting device, and high adjusting device is used for adjusting the height of antenna clamp in vertical direction, and moving platform's top is provided with the platform guardrail, and moving platform comprises flexible bottom plate, horizontal test platform and curb plate. Place geological radar detection device on moving platform, remove through moving platform on high rockfill dam concrete panel and detect, realize the comprehensive detection to high rockfill dam concrete panel, have simultaneously and arrange advantages such as simple and convenient, the measuring accuracy is high, with low costs, test procedure safety and test effect are good. The angle of the telescopic bottom plate and the side plates is adjustable, and the telescopic bottom plate and the concrete panel in the mobile platform are arranged in parallel, so that the mobile platform is suitable for detection of concrete panels with different gradients, and the test precision is improved.
Description
Technical Field
The utility model relates to a high rockfill dam detection area specifically is high rockfill dam concrete panel geological radar detects auxiliary device.
Background
The concrete face rockfill dam is one of the most competitive and promising dam types in the dam construction at present. The dam has the advantages of low manufacturing cost, high safety, strong adaptability and the like, is generally regarded by the dam industry, has excellent application prospect, is the preferred dam type of a plurality of projects, and has over 150 and 37 of more than 100m of face rockfill dams built and built in China at present. The modern concrete rockfill dam has the development trend that the dam is built higher and the engineering scale is larger and larger, and the dam building technology is relatively mature through the construction practices of the projects of the level one of the natural bridges (the maximum dam height 178m), the water buffet (the maximum dam height 233m) and the like in China, so that a certain technical foundation is laid for the development of the 300 m-level ultrahigh-panel rockfill dam.
Before and after the concrete panel is constructed, the dam filling body can cause the dam body to settle under the action of the self-weight stress, the additional stress of the upper filling body and the water pressure. When the dam body filling material continuously deforms after the concrete panel construction is finished, the deformation of the rigid panel and the deformation of the dam filling body are inconsistent, so that the local range of the concrete panel is not continuously and tightly contacted with the extrusion side wall any more, local void occurs, and the detection of the void of the concrete panel of the high rockfill dam by adopting a geological radar is very important. Because the concrete panel slope generally is greater than 35, and length generally is greater than 120m, so for getting good detection effect, need carry out comprehensive detection to the concrete panel, consequently, conventional geological radar detection device can't realize, need design a geological radar and detect auxiliary device to adapt to the slope of different concrete panels, and it is very necessary to realize comprehensive the detection.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's is not enough, provides high rockfill dam concrete panel geological radar and detects auxiliary device for solve prior art's geological radar check out test set and personnel and remove the problem of difficulty and risk on high rockfill dam concrete panel.
The purpose of the utility model is realized through the following technical scheme: the geological radar detection auxiliary device for the concrete panel of the high rockfill dam comprises a moving platform, a platform guardrail and an antenna clamp, wherein the antenna clamp is arranged on one side of the moving platform through a height adjusting device, the height adjusting device is used for adjusting the height of the antenna clamp in the vertical direction, and the platform guardrail is arranged at the top end of the moving platform;
the moving platform comprises a telescopic bottom plate, a horizontal testing platform and side plates, the horizontal testing platform comprises a fixed plate and a moving plate, the moving plate is arranged in the fixed plate in a sliding manner, the bottom of one end of the fixed plate, which is far away from the moving plate, is fixed with the side plate, the side plate is arranged perpendicular to the horizontal test platform, one end of the movable plate far away from the fixed plate is hinged with one end of the telescopic bottom plate, one end of the side plate far away from the fixed plate is hinged with the other end of the telescopic bottom plate, the telescopic bottom plate is provided with a movable wheel, the platform guardrail is arranged at the top end of the horizontal test platform, one side of the platform guardrail close to the movable plate is provided with two groups of traction devices which are symmetrically arranged on the platform guardrail from top to bottom, the traction device comprises two traction hooks, and the two traction hooks are arranged on the platform guardrail in a bilateral symmetry manner;
and a fixing device is arranged on the fixing plate and used for fixing the moving plate on the fixing plate.
Further, the fixing device comprises two bolt assemblies, the two bolt assemblies are symmetrically arranged on two sides of the fixing plate and comprise bolts and nuts, fixing holes are formed in the fixing plate, annular grooves are formed in the moving plate along the length direction, and the bolts penetrate through the fixing holes and the annular grooves and are fixed through the nuts.
Further, height adjusting device includes connecting rod and movable rod, the connecting rod vertical fixation is in on the curb plate, mobilizable wearing to be equipped with on the connecting rod the movable rod, the vertical downward setting of movable rod, the movable rod is kept away from the one end of connecting rod is provided with the antenna clamp.
Furthermore, a threaded hole is formed in the connecting rod, an external thread is arranged on the movable rod, and the movable rod is matched with the connecting rod through the thread.
Further, the platform guardrail includes two fixed pillars and two movable pillars, the fixed plate is kept away from the top of movable plate one end is fixed with two fixed pillars, two the fixed pillars along the width direction symmetry of fixed plate sets up, the movable plate is kept away from the top of fixed plate one end is fixed with two the movable pillars, two the movable pillars along the width direction symmetry of movable plate sets up, fixed pillars and homonymy parallel arrangement has a plurality of horizontal telescopic links between the movable pillars, two fixed pillars and two equal parallel arrangement has a plurality of horizontal fixed poles between the movable pillars, fixes pull the couple and fix on the movable pillars.
Furthermore, horizontal telescopic link includes pole a and pole b, the one end of pole a is fixed on the fixed post, the other end of pole a is mobilizable wear to be equipped with pole b, pole b is kept away from the one end of pole a is fixed on the activity post.
Further, the cross section of the traction hook is circular.
Furthermore, the antenna clip is made of a plastic material.
The utility model has the advantages that:
1. high rockfill dam concrete panel geological radar detects auxiliary device places geological radar detection device on moving platform, moves on high rockfill dam concrete panel through moving platform and detects, realizes detecting high rockfill dam concrete panel's comprehensive, has simultaneously to arrange advantages such as simple and convenient, that the measuring accuracy is high, with low costs, test procedure safety and test effect are good.
2. Need to guarantee the flexible bottom plate and the high rockfill dam concrete panel parallel arrangement among the moving platform, the angle adjustable of the flexible bottom plate and curb plate of this application makes the angle of flexible bottom plate adjust according to the slope of concrete panel to the concrete panel that adapts to different slopes detects, has improved measuring accuracy.
Drawings
FIG. 1 is a perspective view of the geological radar detection auxiliary device for the concrete panel of the high rockfill dam of the utility model;
FIG. 2 is a front view of the geological radar detection auxiliary device for the concrete panel of the high rockfill dam of the utility model;
FIG. 3 is a top view of the geological radar detection auxiliary device for the concrete panel of the high rockfill dam of the utility model;
FIG. 4 is a schematic diagram of the structure of the transverse telescopic rod in the geological radar detection auxiliary device for the concrete panel of the high rockfill dam of the utility model;
in the figure, 1-moving platform, 2-platform guardrail, 3-antenna clamp, 4-height adjusting device, 5-bolt, 6-fixed hole, 7-annular groove, 8-nut, 9-connecting rod, 10-movable rod, 11-telescopic bottom plate, 12-horizontal testing platform, 13-side plate, 14-fixed plate, 15-movable plate, 16-moving wheel, 17-traction hook, 18-angle reading plate, 20-fixed strut, 21-movable strut, 22-transverse telescopic rod, 23-transverse fixed rod, 24-rod a, 25-rod b.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1 to 4, the high rockfill dam concrete panel geological radar detection auxiliary device comprises a mobile platform 1, a platform guardrail 2 and an antenna clamp 3, wherein the antenna clamp 3 is arranged on one side of the mobile platform 1 through a height adjusting device 4, the height adjusting device 4 is used for adjusting the height of the antenna clamp 3 in the vertical direction, and the top end of the mobile platform 1 is provided with the platform guardrail 2;
during specific implementation, install geological radar antenna on antenna clamp 3, set up geological radar collection equipment on moving platform 1, platform guardrail 2 is used for protecting geological radar collection equipment, when examining, need guarantee moving platform 1 and concrete panel parallel arrangement, in order to guarantee the stability that moving platform 1 removed, make test data more accurate, need height-adjusting device 4 simultaneously, make geological radar antenna and concrete panel in close contact with on the antenna clamp 3, thereby accomplish the quick accurate detection to high rockfill dam.
Because the influence of environment and geology leads to building the slope also different at the rock dam concrete panel of different geological environment, and simultaneously, the height difference of rock dam, the slope of concrete panel also can be different, and consequently, moving platform 1's angle need be established to adjustable to adapt to the concrete panel of different slopes, increase auxiliary device's application range.
As shown in fig. 1 and 2, the mobile platform 1 includes a telescopic base plate 11, the horizontal testing platform 12 and the side plates 13, the horizontal testing platform 12 comprises a fixed plate 14 and a movable plate 15, the movable plate 15 is slidably arranged in the fixed plate 14, the side plate 13 is fixed at the bottom of one end, away from the movable plate 15, of the fixed plate 14, the side plate 13 is arranged perpendicular to the horizontal testing platform 12, one end, away from the fixed plate 14, of the movable plate 15 is hinged to one end of the telescopic bottom plate 11, one end, away from the fixed plate 14, of the side plate 13 is hinged to the other end of the telescopic bottom plate 11, moving wheels 16 are arranged on the telescopic bottom plate 11, the platform guardrail 2 is arranged at the top end of the horizontal testing platform 12, two groups of traction devices are arranged on one side, close to the movable plate 15, of the platform guardrail 2 and are arranged on the platform guardrail 2 in an up-down;
the fixed plate 14 is provided with a fixing means for fixing the moving plate 15 to the fixed plate 14.
During specific implementation, the angle reading disc 18 is arranged at the hinged position of the side plate 13 and the telescopic bottom plate 11, so that the rotation angle of the telescopic bottom plate 11 can be conveniently read, and the telescopic bottom plate 11 can be conveniently and quickly adjusted to be parallel to the concrete panel. During the use, with flexible bottom plate 11 round the pin joint rotation with curb plate 13, through the quick position of turning to with the concrete panel parallel with flexible bottom plate 11 of angle reading dish 18, movable plate 15 slides in fixed plate 14 this moment, cooperation flexible bottom plate 11 is articulated with movable plate 15, realize the regulation of contained angle between flexible bottom plate 11 and the curb plate 13, fix movable plate 15 on fixed plate 14 through fixing device at last, make moving platform 1 stable, because the construction slope of concrete panel is known during, only need during the detection with the contained angle between flexible bottom plate 11 and the curb plate 13 adjust to the slope with the concrete panel each other can. When being worth noting, the telescopic bottom plate 11 comprises a bottom plate a and a bottom plate b, one end of the bottom plate a is hinged to the side plate 13, the other end of the bottom plate a is movably arranged on the bottom plate b in a penetrating mode, one end, far away from the bottom plate a, of the bottom plate b is hinged to one end, far away from the fixed plate 14, of the movable plate 15, and therefore the telescopic bottom plate 11 is telescopic, and the inclination angle of the telescopic bottom plate 11 is adjustable.
Further, the antenna clip 3 is made of plastic. The influence on the geological radar antenna caused by the antenna clamp 3 made of metal materials is avoided, and therefore the detection accuracy is influenced.
As shown in fig. 2 and 3, the fixing device includes two bolt assemblies, the two bolt assemblies are symmetrically disposed on two sides of the fixing plate 14, each bolt assembly includes a bolt 5 and a nut 8, a fixing hole 6 is formed in the fixing plate 14, an annular groove 7 is formed in the moving plate 15 along the length direction, and the bolt 5 penetrates through the fixing hole 6 and the annular groove 7 and is fixed by the nut 8.
After the moving plate 15 is moved to a predetermined position, the moving plate 15 is fastened to the fixed plate 14 by tightening the nut 8, thereby maintaining the stability of the moving platform 1.
The height adjusting device 4 comprises a connecting rod 9 and a movable rod 10, the connecting rod 9 is vertically fixed on a side plate 13, the movable rod 10 is movably arranged on the connecting rod 9 in a penetrating mode, the movable rod 10 is vertically and downwards arranged, and an antenna clamp 3 is arranged at one end, far away from the connecting rod 9, of the movable rod 10;
threaded holes are formed in the connecting rod 9, external threads are formed in the movable rod 10, and the movable rod 10 is matched with the connecting rod 9 through threads.
During the concrete implementation, because rotary rod 10 passes through threaded connection with connecting rod 9, rotatory movable rod 10 adjusts movable rod 10 at the precession height of screw hole to change the height of antenna clamp 3 on the movable rod 10, simultaneously, the parallel arrangement of cooperation flexible bottom plate 11 and concrete panel guarantees that the geological radar antenna on the antenna clamp 3 all the time with concrete panel in close contact with at the in-process that detects, thereby makes the result that detects more accurate.
According to the above, the platform guardrail 2 comprises two fixed pillars 20 and two movable pillars 21, the top of the fixed plate 14 far from one end of the movable plate 15 is fixed with two fixed pillars 20, the two fixed pillars 20 are symmetrically arranged along the width direction of the fixed plate 14, the top of the movable plate 15 far from one end of the fixed plate 14 is fixed with two movable pillars 21, the two movable pillars 21 are symmetrically arranged along the width direction of the movable plate 15, a plurality of transverse telescopic rods 22 are arranged between the fixed pillars 20 and the movable pillars 21 on the same side in parallel, a plurality of transverse fixing rods 23 are arranged between the two fixed pillars 20 and the two movable pillars 21 in parallel, and the fixed traction hook 17 is fixed on the movable pillar 21;
as shown in fig. 1 and 4, the transverse telescopic rod 22 comprises a rod a24 and a rod b25, one end of the rod a24 is fixed on the fixed support column 20, the other end of the rod a24 is movably provided with a rod b25 in a penetrating way, and one end of the rod b25 far away from the rod a24 is fixed on the movable support column 21.
Because be provided with platform guardrail 2 on horizontal test platform 12, when moving plate 15 was removing, platform guardrail 2 must follow the removal, otherwise can't realize the regulation of flexible bottom plate 11 angle, is provided with horizontal telescopic link 22 along the length direction of horizontal test platform 12 on platform guardrail 2, and when moving plate 15 removed, horizontal telescopic link 22 was also stretching out and drawing back in step to guarantee the angularly adjustable of flexible bottom plate 11. The specific implementation mode is as follows: when the moving plate 15 moves, the movable support 21 is driven to move, so that the rod b25 moves in the rod a24, the expansion and contraction of the transverse expansion rod 22 are realized, and the transverse expansion rod 22 synchronously moves the plate 15 to expand and contract.
Further, the cross section of the towing hook 17 is circular. During concrete implementation, install geological radar antenna on antenna clamp 3, install geological radar collection equipment on fixed plate 14, adjust the angle of flexible bottom plate 11, make flexible bottom plate 11 and concrete panel parallel arrangement, adjust the height of antenna clamp 3 simultaneously, make geological radar antenna and concrete panel in close contact with, the tester arranges the fixed pulley at the concrete panel top, hang the rope of hoist engine on traction hook 17, pull geological radar through the hoist engine and detect auxiliary device at the uniform velocity and go forward, can measure the closely knit condition of concrete panel contact surface fast, the utility model has the advantages of the field layout is simple and convenient, the measuring accuracy is high, with low costs, test process safety and test effect are good.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
1. The geological radar detection auxiliary device for the concrete panel of the high rockfill dam is characterized by comprising a mobile platform (1), a platform guardrail (2) and an antenna clamp (3), wherein the antenna clamp (3) is arranged on one side of the mobile platform (1) through a height adjusting device (4), the height adjusting device (4) is used for adjusting the height of the antenna clamp (3) in the vertical direction, and the platform guardrail (2) is arranged at the top end of the mobile platform (1);
the movable platform (1) comprises a telescopic bottom plate (11), a horizontal test platform (12) and side plates (13), the horizontal test platform (12) comprises a fixed plate (14) and a movable plate (15), the movable plate (15) is slidably arranged in the fixed plate (14), the bottom of one end of the fixed plate (15) away from the fixed plate (14) is fixed with the side plates (13), the side plates (13) are perpendicular to the horizontal test platform (12), one end of the movable plate (15) away from the fixed plate (14) is hinged with one end of the telescopic bottom plate (11), one end of the side plate (13) away from the fixed plate (14) is hinged with the other end of the telescopic bottom plate (11), moving wheels (16) are arranged on the telescopic bottom plate (11), and the platform guardrail (2) is arranged at the top end of the horizontal test platform (12), two groups of traction devices are arranged on one side, close to the movable plate (15), of the platform guardrail (2), the two groups of traction devices are arranged on the platform guardrail (2) in an up-and-down symmetrical mode, each traction device comprises two traction hooks (17), and the two traction hooks (17) are arranged on the platform guardrail (2) in a left-and-right symmetrical mode;
the fixing plate (14) is provided with a fixing device, and the fixing device is used for fixing the moving plate (15) on the fixing plate (14).
2. The geological radar detection auxiliary device for the concrete panel of the high rockfill dam according to claim 1, wherein the fixing device comprises two bolt assemblies, the two bolt assemblies are symmetrically arranged on two sides of the fixing plate (14), each bolt assembly comprises a bolt (5) and a nut (8), a fixing hole (6) is formed in the fixing plate (14), an annular groove (7) is formed in the moving plate (15) along the length direction, and the bolts (5) penetrate through the fixing hole (6) and the annular groove (7) and are fixed through the nuts (8).
3. The geological radar detection auxiliary device for the concrete panel of the high rockfill dam according to claim 1, wherein the height adjustment device (4) comprises a connecting rod (9) and a movable rod (10), the connecting rod (9) is vertically fixed on the side plate (13), the movable rod (10) is movably arranged on the connecting rod (9) in a penetrating mode, the movable rod (10) is vertically arranged downwards, and the antenna clamp (3) is arranged at one end, away from the connecting rod (9), of the movable rod (10).
4. The geological radar detection auxiliary device for the concrete panel of the high rockfill dam according to claim 3, wherein the connecting rod (9) is provided with a threaded hole, the movable rod (10) is provided with an external thread, and the movable rod (10) is matched with the connecting rod (9) through the thread.
5. The geological radar detection auxiliary device for the concrete panel of the high rockfill dam according to claim 1, wherein the platform guardrail (2) comprises two fixed pillars (20) and two movable pillars (21), the top of the fixed plate (14) far away from one end of the movable plate (15) is fixed with the two fixed pillars (20), the two fixed pillars (20) are symmetrically arranged along the width direction of the fixed plate (14), the top of the movable plate (15) far away from one end of the fixed plate (14) is fixed with the two movable pillars (21), the two movable pillars (21) are symmetrically arranged along the width direction of the movable plate (15), a plurality of transverse telescopic rods (22) are arranged between the fixed pillars (20) and the movable pillars (21) on the same side in parallel, and a plurality of transverse fixing rods (23) are arranged between the two fixed pillars (20) and the two movable pillars (21) in parallel, the traction hook (17) is fixed on the movable support column (21).
6. The geological radar detection auxiliary device for the concrete panel of the high rockfill dam according to claim 5, wherein the transverse telescopic rod (22) comprises a rod a (24) and a rod b (25), one end of the rod a (24) is fixed on the fixed pillar (20), the other end of the rod a (24) is movably provided with the rod b (25) in a penetrating way, and one end of the rod b (25) far away from the rod a (24) is fixed on the movable pillar (21).
7. The geological radar detection auxiliary device of the high rockfill dam concrete panel according to claim 1, characterized in that the cross section of the traction hook (17) is circular ring.
8. The geological radar detection auxiliary device of the high rockfill dam concrete panel according to claim 1, wherein the antenna clamp (3) is made of plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020678710.0U CN212004805U (en) | 2020-04-28 | 2020-04-28 | High rockfill dam concrete panel geological radar detects auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020678710.0U CN212004805U (en) | 2020-04-28 | 2020-04-28 | High rockfill dam concrete panel geological radar detects auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212004805U true CN212004805U (en) | 2020-11-24 |
Family
ID=73406419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020678710.0U Active CN212004805U (en) | 2020-04-28 | 2020-04-28 | High rockfill dam concrete panel geological radar detects auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212004805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878619A (en) * | 2021-01-21 | 2021-06-01 | 方圆化集团有限公司 | Landscape balcony overhead ground combined type supporting system and construction method |
| CN114935513A (en) * | 2022-07-26 | 2022-08-23 | 四川中水成勘院工程物探检测有限公司 | Method for predicting generation and expansion of concrete dam body crack based on microseismic signal characteristics |
-
2020
- 2020-04-28 CN CN202020678710.0U patent/CN212004805U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878619A (en) * | 2021-01-21 | 2021-06-01 | 方圆化集团有限公司 | Landscape balcony overhead ground combined type supporting system and construction method |
| CN114935513A (en) * | 2022-07-26 | 2022-08-23 | 四川中水成勘院工程物探检测有限公司 | Method for predicting generation and expansion of concrete dam body crack based on microseismic signal characteristics |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212004805U (en) | High rockfill dam concrete panel geological radar detects auxiliary device | |
| CN105158064A (en) | Counterforce loading frame for multifunctional self-balancing type continuous beam test | |
| CN207133118U (en) | A kind of railing horizontal thrust loading test support | |
| CN107356308B (en) | A kind of real time water level monitoring device for drainage system | |
| CN113074693B (en) | Deep basal pit deformation monitoring alarm device | |
| CN109098217B (en) | Device and method for researching influence of offshore jack-up drilling platform plug pile on adjacent pile shoe | |
| CN111487124A (en) | Device for detecting building bearing capacity | |
| CN210293868U (en) | Leveling device for anchor rod drawing detection | |
| CN108801104B (en) | Laterite type slope displacement monitoring device and using method | |
| CN217052953U (en) | A percentage table frame for testing man roof beam of beckman of road bed road surface deflection | |
| CN214783777U (en) | Hydraulic construction engineering supervises and surveys machine with borer | |
| CN209484228U (en) | A kind of fixation device for engineering detecting | |
| CN109024269B (en) | Sedimentation compensation box bridge applicable to goaf site and sedimentation compensation method thereof | |
| CN216743522U (en) | Measuring device for building engineering | |
| CN204944936U (en) | A kind of Multifunctional self-leveling weighing apparatus formula continuous beam test counter-force loading frame | |
| CN211553623U (en) | Liftable immersed tube section model connecting section shearing performance test platform | |
| CN209470904U (en) | Sampler is used in a kind of detection of road engineering | |
| CN216405365U (en) | Foundation detection device for hydraulic engineering | |
| CN211291475U (en) | Total powerstation centering support device | |
| CN213930007U (en) | Foundation bolt fixing and mounting device | |
| CN212722400U (en) | Civil engineering concrete structure intensity detection device | |
| CN219694053U (en) | Device for measuring vertical height of concrete anti-collision guardrail | |
| CN216640533U (en) | Static deformation modulus tester | |
| CN216640704U (en) | Foundation detection device | |
| CN216082349U (en) | Drop hammer type deflection detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |