CN113514039A - Water depth detection device for municipal engineering - Google Patents
Water depth detection device for municipal engineering Download PDFInfo
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- CN113514039A CN113514039A CN202110463898.6A CN202110463898A CN113514039A CN 113514039 A CN113514039 A CN 113514039A CN 202110463898 A CN202110463898 A CN 202110463898A CN 113514039 A CN113514039 A CN 113514039A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 238000004804 winding Methods 0.000 claims abstract description 63
- 238000009434 installation Methods 0.000 claims description 34
- 238000007667 floating Methods 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002567 autonomic effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
- G01C13/008—Surveying specially adapted to open water, e.g. sea, lake, river or canal measuring depth of open water
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention relates to the technical field of measurement, in particular to a water depth detection device for municipal engineering. Municipal works are with depth of water detection device includes opening install bin and determine module, determine module erects on the opening install bin, measures municipal garden is with constructed wetland's the depth of water through determine module. The winding part and the adjusting part in the detection assembly in the municipal engineering water depth detection device can ensure the smoothness of a measurement rope during winding and unwinding, so that the problem that the local winding is too much and too little can not occur to the measurement rope wound on the winding roller, when the reciprocating lead screw rotates to unwind and wind the winding roller, the through cavity on the limiting clamping plate can remove sundries stained on the measurement rope, the cleanness of the measurement rope is improved, and the water inlet assembly additionally arranged in the plumb bob tank can ensure that water liquid can be injected into the plumb bob tank to improve the self weight only when the water depth is detected, so that the plumb bob tank cannot be too heavy and is easy to lift when the water depth is not detected.
Description
Technical Field
The invention relates to the technical field of measurement, in particular to a water depth detection device for municipal engineering.
Background
The construction process, functional requirements and operational purposes of urban afforestation are different from forestry, but are all components of production construction, one is mainly made of materials, and the other is mainly made of environmental protection. Urban landscaping is an investment in the capital of the social environment, and the economic return is multifaceted and quite abundant. The demand of cities for gardens is divided into two aspects: firstly, as an infrastructure; and the other is used as leisure facilities.
The artificial wetland lake in municipal engineering improves the ornamental value of the city center, and the water depth detection of the artificial wetland lake is needed at present to improve the safety, so the water level of the artificial wetland lake needs to be strictly detected and controlled, the conventional artificial wetland lake water level actual measurement device is generally complex in structure, high in application cost and severe in requirements on the technical level of operators by applying complex technical principles such as ultrasonic waves and the like, and the equipment is huge and has a narrow application range.
Therefore, there is a need to provide a new device for detecting water depth for municipal engineering to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problem, the invention provides a water depth detection device for municipal engineering.
The invention provides a municipal works water depth detection device, which comprises:
an opening installation box;
the detection assembly is erected on the opening installation box and measures the depth of water of the artificial wetland for the municipal garden through the detection assembly.
Preferably, the detection assembly comprises a winding piece, an adjusting piece, a measuring cord and a plumb bob tank, the winding piece is installed in the opening installation box, the adjusting piece is erected on the winding piece, the measuring cord is wound on the winding piece, and the other end of the winding piece penetrates through the adjusting piece and is hung on the plumb bob tank.
Preferably, the winding piece comprises an installation frame and a winding roller, the installation frame is fixed on a through cavity formed in the bottom of the opening installation box, and the winding roller connected in a rotating mode is erected on the installation frame.
Preferably, the regulating part includes fixed bolster, reciprocal lead screw, gag lever post, thread connection cover and guide ring, fixed bolster fixed mounting is on the mounting bracket, just install reciprocal lead screw and the fixed mounting that rotates the connection on the fixed bolster and have the gag lever post, gag lever post and reciprocal lead screw parallel arrangement from top to bottom, thread connection cover is established on gag lever post and reciprocal lead screw, just thread connection cover and gag lever post sliding connection and reciprocal lead screw threaded connection, thread connection cover's bottom fixed mounting has the guide ring.
Preferably, the detecting component still includes link gear, link gear framework establishes on winding and regulating part and drives winding and regulating part and carry out synchronous revolution, link gear includes driving gear, driven gear, gear area and driving motor, the fixed cover of driving gear is connected on the junction of winding roller, the fixed cover of driven gear is connected on reciprocating screw's junction, install the gear area that the meshing is connected between driving gear and the driven gear, driving motor fixed mounting is in the opening install bin, just driving motor's output and the center of rotation fixed connection of driving gear.
Preferably, the measuring string is uniformly wound on the winding roller, and the other end of the measuring string passes through the guide ring and is fixedly tied on a hanging ring fixedly mounted on the top of the plumb bob.
Preferably, install the subassembly of intaking of two sets of symmetric distributions on the plumb bob jar, realize that the autonomic water intaking of plumb bob jar sinks through the subassembly of intaking, the subassembly of intaking includes pipe, damping cover, floater, choke tube and check valve, pipe fixed mounting is at the lateral wall of plumb bob jar, just the pipe is back shape needle-like, the one end of pipe extends to downwarping in the plumb bob jar and has cup jointed the damping cover, just the other end of pipe communicates with each other with the choke tube of plumb bob tank bottom installation, the junction fixed mounting of choke tube has the check valve, the floater is placed in the pipe, just the diameter of floater is the same with the diameter of pipe.
Preferably, the upper end and the lower end of the flow blocking pipe are semicircular, and the flow blocking cavity is fixedly installed in a threaded hole formed in the bottom of the plumb bob in a rotating and screwing mode through threads.
Preferably, install the valves on the plumb bob jar, the valves includes discharge valve and drain valve, discharge valve fixed mounting is at the top of plumb bob jar, just drain valve fixed mounting is in the bottom of plumb bob jar.
Preferably, the display terminal and the storage cylinder are installed in the opening installation box, a limiting clamping plate is fixedly installed in a hollow cavity in the opening installation box, the measuring rope penetrates through a through cavity formed by the limiting clamping plate, and a ship body installation truss is fixedly installed on the opening installation box.
Compared with the prior art, the water depth detection device for municipal engineering provided by the invention has the following beneficial effects:
1. the winding part and the adjusting part in the detection assembly can ensure the smoothness of the measuring rope during winding and unwinding, so that the problems of too much local winding and too little local winding of the measuring rope wound on the winding roller can be avoided;
2. the water inlet assembly additionally arranged in the plumb bob tank can ensure that the plumb bob tank can be filled with water liquid to improve the self weight only when the water depth is detected, so that the plumb bob tank cannot be too heavy and is easy to lift when not being measured;
3. when the reciprocating screw rod rotates to pay off and take up the winding roller, the through cavity on the limiting clamping plate can remove impurities stained on the measuring cotton rope, and the cleanness of the measuring cotton rope is improved.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the municipal water depth detection device provided by the invention.
Fig. 2 is a second schematic structural diagram of a preferred embodiment of the municipal water depth detection device provided by the invention.
Fig. 3 is a schematic structural diagram of the detection assembly shown in fig. 1.
Fig. 4 is a schematic view of the internal structure of the plumb pot shown in fig. 1.
Fig. 5 is a schematic view of the structure of fig. 4 in which the plumb pot is filled with water.
Reference numbers in the figures: 1. an opening installation box; 2. a detection component; 21. a winding member; 211. a mounting frame; 212. a winding roller; 22. an adjustment member; 221. fixing a bracket; 222. a reciprocating screw; 223. a limiting rod; 224. a threaded connecting sleeve; 225. a guide ring; 23. a linkage mechanism; 231. a driving gear; 232. a driven gear; 233. a gear belt; 234. a drive motor; 24. measuring a thread rope; 25. a plumb bob tank; 3. a water intake assembly; 31. a conduit; 32. a damping sleeve; 33. a floating ball; 34. a choke tube; 35. a one-way valve; 4. a valve block; 41. an exhaust valve; 42. a drain valve; 5. a limiting clamp plate; 6. a display terminal; 7. a storage cylinder; 8. and a truss is arranged on the ship body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 to 5, an embodiment of the present invention provides a municipal water depth detection apparatus for municipal engineering, including:
an opening installation box 1;
In an embodiment of the present invention, referring to fig. 1 and 3, the detecting assembly 2 includes a winding member 21, an adjusting member 22, a measuring string 24 and a plumb bob tank 25, the winding member 21 is installed in the opening installation box 1, the adjusting member 22 is erected on the winding member 21, the measuring string 24 is wound on the winding member 21, the other end of the winding member 21 passes through the adjusting member 22 and is hoisted with the plumb bob tank 25, the winding member 21 includes an installation frame 211 and a winding roller 212, the installation frame 211 is fixedly installed on a through cavity formed at the bottom of the opening installation box 1, the installation frame 211 is erected with the winding roller 212 which is rotatably connected, the adjusting member 22 includes a fixed support 221, a reciprocating screw 222, a limiting rod 223, a threaded connection sleeve 224 and a guide ring 225, the fixed support 221 is fixedly installed on the installation frame 211, and the fixed support 221 is installed with the reciprocating screw 222 which is rotatably connected and the limiting rod 223, the limiting rod 223 and the reciprocating screw 222 are arranged in parallel up and down, the thread connecting sleeve 224 is sleeved on the limiting rod 223 and the reciprocating screw 222, the thread connecting sleeve 224 is connected with the limiting rod 223 in a sliding mode and is in threaded connection with the reciprocating screw 222, a guide ring 225 is fixedly installed at the bottom of the thread connecting sleeve 224, the measuring wire rope 24 is uniformly wound on the winding roller 212, the other end of the measuring wire rope 24 penetrates through the guide ring 225 and is fixedly tied to a hanging ring fixedly installed at the top of the plumb bob tank 25, and a scale mark is arranged on the measuring wire rope 24.
It should be noted that: during measurement, the ship body is driven to the detection water surface of the artificial wetland for the municipal garden, the winding roller 212 and the reciprocating screw rod 222 are driven to synchronously rotate by the linkage mechanism 23, so that the measuring wire 24 on the winding roller 212 starts to be wound around the winding roller 212, and the reciprocating screw rod 222 rotates and the threaded connecting sleeve 224 is limited by the limiting rod 223, so that the threaded connecting sleeve 224 reciprocates along the reciprocating screw rod 222, and the measuring wire 24 wound on the winding roller 212 can be smoothly and uninterruptedly put down from the guide ring 225;
it should also be noted that: during the wire winding, the linkage mechanism 23 is used for driving the winding roller 212 and the reciprocating lead screw 222 to synchronously rotate reversely, so that the measuring wire 24 on the winding roller 212 starts to wind up around the winding roller 212, and also because of the relationship between the reciprocating lead screw 222 and the guide ring 225 on the thread connecting sleeve 224, the measuring wire 24 can be wound on the winding roller 212 in a reciprocating and smooth manner, and the problem that the measuring wire 24 wound on the winding roller 212 is partially wound too much and partially too little is avoided.
In an embodiment of the present invention, please refer to fig. 1 and 3, the detecting assembly 2 further includes a linkage mechanism 23, the linkage mechanism 23 is erected on the winding member 21 and the adjusting member 22 and drives the winding member 21 and the adjusting member 22 to synchronously rotate, the linkage mechanism 23 includes a driving gear 231, a driven gear 232, a gear belt 233 and a driving motor 234, the driving gear 231 is fixedly sleeved on a connecting end of the winding roller 212, the driven gear 232 is fixedly sleeved on a connecting end of the reciprocating screw 222, the gear belt 233 engaged and connected is installed between the driving gear 231 and the driven gear 232, the driving motor 234 is fixedly installed in the opening installation box 1, and an output end of the driving motor 234 is fixedly connected with a rotation center of the driving gear 231.
It should be noted that: the driving motor 234 is started to drive the winding roller 212 and the driving gear 231 on the winding roller 212 to rotate, and the reciprocating screw 222 and the winding roller 212 synchronously rotate due to the fact that the driving gear 231 and the driven gear 232 are provided with the gear belt 233 in meshed connection;
in the present embodiment: the hollow cavity in the opening installation box 1 is fixedly provided with the limiting clamping plate 5, the measuring rope 24 penetrates through the through cavity formed by the limiting clamping plate 5, and when the reciprocating screw 222 rotates to pay off and take up the winding roller 212, the through cavity can remove sundries stained on the measuring rope 24, so that the cleanness of the measuring rope 24 is improved.
The display terminal 6 and the storage cylinder 7 are installed in the opening installation box 1, and a ship body installation truss 8 is fixedly installed on the opening installation box 1.
It should be noted that: before use, the hull installation truss 8 is fixed on the side wall of the hull through screws, the display terminal 6 on the detection assembly 2 faces the interior of the ship, the plumb pot 25 in the detection assembly 2 is located in a gap between the hull installation truss 8 and the hull, the display terminal 6 comprises a display screen and a control panel, so that the detection assembly 2 and various valves on equipment can be controlled, the plumb pot 25 is placed in the storage cylinder 7 when the ship is not used, and the hull can adopt a small wooden raft, a small hull or a remote control hull;
it is worth noting that: when the ship body is remotely controlled, a camera electrically connected with the display terminal 6 is installed on the threaded connecting sleeve 224, so that the data of the measuring rope 24 can be conveniently and remotely controlled and known in time.
In an embodiment of the present invention, referring to fig. 4 and 5, two sets of symmetrically distributed water inlet assemblies 3 are installed on the plumb bob 25, autonomous water intake and sinking of the plumb bob 25 are achieved through the water inlet assemblies 3, each water inlet assembly 3 includes a conduit 31, a damping sleeve 32, a floating ball 33, a choke tube 34 and a one-way valve 35, the conduit 31 is fixedly installed on a side wall of the plumb bob 25, the conduit 31 is in a shape of a needle, one end of the conduit 31 extends into the plumb bob 25 and is bent downward and sleeved with the damping sleeve 32, the other end of the conduit 31 is communicated with the choke tube 34 installed at the bottom of the plumb bob 25, the one-way valve 35 is fixedly installed at a connection of the choke tube 34, the floating ball 33 is placed in the conduit 31, the diameter of the floating ball 5 is the same as that of the conduit 31, the upper and lower ends of the choke tube 34 are both in a shape, and the choke chamber 7 is fixedly installed in a threaded hole formed at the bottom of the plumb bob 25 in a manner of screwing in a semicircular manner, and install valves 4 on the plumb bob 25, valves 4 include discharge valve 41 and drain valve 42, discharge valve 41 fixed mounting is at the top of plumb bob 25, just drain valve 42 fixed mounting is in the bottom of plumb bob 25.
It should be noted that: after the plumb bob 25 is launched, because the water flows into the plumb bob 25 through the choke tube 34 installed on the plumb bob 25, and the check valve 35 is in a closed state, as the water in the plumb bob 25 increases, the gas in the plumb bob 25 is discharged through the exhaust valve 41, the water lifting tank on the liquid surface gradually sinks until the water rises and flows into the conduit 31, the floating ball 33 is pushed to move along the conduit 31 until the water in the plumb bob 25 is higher than the downward bending section of the conduit 31, the floating ball 33 slides to the lowest point of the conduit 31 and slides to the choke tube 34 through the check valve 35 under the action of water pressure, the upper cavity of the floating ball 33 and the choke tube 34 are mutually attached under the action of the lake water buoyancy, so that the lake water cannot enter the plumb bob 25 from the choke tube 34, at this time, the plumb bob 25 is submerged in the lake, the water filling task of the plumb bob 25 is completed, and the plumb bob 25 can rapidly sink to the bottom, the water depth is read by measuring the scale of the rope 24 corresponding to the lake surface, and the plumb bob 25 is filled with water only when the water depth is detected so as to improve the self weight, so that the plumb bob is not too heavy and is easy to lift when the measurement is not carried out;
it should also be noted that: when the reverse rotation driving motor 234 receives the measuring cord 24, the plumb bob tank 25 rises along the water surface, the floating ball 33 is attached to the lower cavity opening of the choke tube 34 under the action of the water pressure in the plumb bob tank 25, the water in the plumb bob tank 25 is prevented from being lost due to the choked flow state, and the plumb bob tank 25 is placed in the storage cylinder 7 after the plumb bob tank 25 floats out of the water surface;
in the present embodiment: after the water depth of the plumb bob tank 25 is measured, the water liquid is collected by opening the drain valve 42 so as to detect the water liquid on different lake surfaces, the flow blocking pipe 34 is detached in a rotating mode subsequently, the floating ball 33 in the flow blocking pipe 34 is taken out, the damping sleeve 32 on the guide pipe 31 is taken out after the sealing cover at the top of the plumb bob tank 25 is opened, the floating ball 33 is placed on the guide pipe 31 and then sleeved with the damping sleeve 32, and the next water lifting operation is prepared.
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 (10)
1. The utility model provides a depth of water detection device for municipal works which characterized in that includes:
an open mounting box (1);
detection module (2), detection module (2) erect on opening install bin (1), measure municipal garden with constructed wetland's depth of water through detection module (2).
2. The municipal engineering water depth detection device according to claim 1, wherein the detection assembly (2) comprises a winding member (21), an adjusting member (22), a measuring string (24) and a plumb pot (25), the winding member (21) is installed in the open installation box (1), the adjusting member (22) is erected on the winding member (21), the measuring string (24) is wound on the winding member (21), and the other end of the winding member (21) penetrates through the adjusting member (22) and is hung on the plumb pot (25).
3. The municipal engineering water depth detection device according to claim 2, wherein the winding member (21) comprises a mounting frame (211) and a winding roller (212), the mounting frame (211) is fixedly arranged on a through cavity formed in the bottom of the open mounting box (1), and the winding roller (212) is rotatably connected to the mounting frame (212).
4. The municipal engineering water depth detection device according to claim 3, wherein the adjusting part (22) comprises a fixed support (221), a reciprocating lead screw (222), a limiting rod (223), a threaded connection sleeve (224) and a guide ring (225), the fixed support (221) is fixedly installed on the installation frame (211), the fixed support (221) is provided with the reciprocating lead screw (222) which is rotatably connected and the limiting rod (223), the limiting rod (223) and the reciprocating lead screw (222) are arranged in an up-and-down parallel manner, the threaded connection sleeve (224) is sleeved on the limiting rod (223) and the reciprocating lead screw (222), the threaded connection sleeve (224) is slidably connected with the limiting rod (223) and is in threaded connection with the reciprocating lead screw (222), and the guide ring (225) is fixedly installed at the bottom of the threaded connection sleeve (224).
5. The municipal engineering water depth detection device according to claim 4, wherein the detection assembly (2) further comprises a linkage mechanism (23), the linkage mechanism (23) is erected on the winding piece (21) and the adjusting piece (22) and drives the winding piece (21) and the adjusting piece (22) to synchronously rotate, the linkage mechanism (23) comprises a driving gear (231), a driven gear (232), a gear belt (233) and a driving motor (234), the driving gear (231) is fixedly sleeved on the connecting end of the winding roller (212), the driven gear (232) is fixedly sleeved on the connecting end of the reciprocating screw rod (222), a gear belt (233) which is meshed and connected is arranged between the driving gear (231) and the driven gear (232), the driving motor (234) is fixedly arranged in the opening installation box (1), and the output end of the driving motor (234) is fixedly connected with the rotating center of the driving gear (231).
6. The municipal engineering water depth detection device according to claim 1, wherein the measuring line (24) is uniformly wound around the winding roller (212), and the other end of the measuring line (24) passes through the guide ring (225) and is fixedly tied to a hanging ring fixedly installed on the top of the plumb pot (25).
7. The municipal engineering water depth detection device according to claim 6, wherein the plumb pot (25) is provided with two symmetrically distributed water inlet assemblies (3), the water inlet assemblies (3) realize independent water intake and sinking of the plumb pot (25) through the water inlet assemblies (3), each water inlet assembly (3) comprises a guide pipe (31), a damping sleeve (32), a floating ball (33), a choke pipe (34) and a one-way valve (35), the guide pipe (31) is fixedly arranged on the side wall of the plumb pot (25), the guide pipe (31) is in a shape of a needle, one end of the guide pipe (31) extends into the plumb pot (25) to be bent downwards and is sleeved with the damping sleeve (32), the other end of the guide pipe (31) is mutually communicated with the choke pipe (34) arranged at the bottom of the plumb pot (25), the joint of the choke pipe (34) is fixedly provided with the one-way valve (35), the floating ball (33) is arranged in the guide pipe (31), and the diameter of the floating ball (5) is the same as that of the guide pipe (31).
8. The municipal engineering water depth detection device according to claim 7, wherein the choke tube (34) is semicircular at both the upper and lower ends thereof, and the choke chamber (7) is screwed and fixedly installed in a threaded hole formed in the bottom of the plumb pot (25) in a rotating and tightening manner.
9. The municipal engineering water depth detection device according to claim 2, wherein the plumb pot (25) is provided with a valve block (4), the valve block (4) comprises an exhaust valve (41) and a drain valve (42), the exhaust valve (41) is fixedly mounted at the top of the plumb pot (25), and the drain valve (42) is fixedly mounted at the bottom of the plumb pot (25).
10. The municipal engineering water depth detection device according to claim 2, wherein the open installation box (1) is internally provided with a display terminal (6) and a storage cylinder (7), a limiting clamping plate (5) is fixedly arranged in a hollow cavity in the open installation box (1), the measuring rope (24) passes through a through cavity formed by the limiting clamping plate (5), and the open installation box (1) is fixedly provided with a ship body installation truss (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110463898.6A CN113514039A (en) | 2021-04-28 | 2021-04-28 | Water depth detection device for municipal engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110463898.6A CN113514039A (en) | 2021-04-28 | 2021-04-28 | Water depth detection device for municipal engineering |
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| CN113514039A true CN113514039A (en) | 2021-10-19 |
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| CN202110463898.6A Pending CN113514039A (en) | 2021-04-28 | 2021-04-28 | Water depth detection device for municipal engineering |
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Cited By (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894268A (en) * | 2022-07-14 | 2022-08-12 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | High stability is measuring device for hydraulic ring geology |
| CN114894268B (en) * | 2022-07-14 | 2022-10-11 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | High stability is measuring device for hydraulic ring geology |
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Application publication date: 20211019 |